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  • Books  (174)
  • Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory  (130)
  • Cambridge : Cambridge University Press  (44)
  • English  (174)
  • Danish
  • 2015-2019  (37)
  • 2005-2009  (6)
  • 1980-1984  (131)
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  • Books  (174)
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  • English  (174)
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  • 1
    Monograph available for loan
    Monograph available for loan
    Applied geophysics in periglacial environments (2008)
    Cambridge : Cambridge University Press
    Details Availability
    Call number: AWI G8-09-0001
    Type of Medium: Monograph available for loan
    Pages: XV, 240 Seiten , Illustrationen
    Edition: First published
    ISBN: 978-0-521-88966-7 , 0-521-88966-9
    URL: https://www.gbv.de/dms/goettingen/563055855.pdf
    Language: English
    Note: Contents List of contributors Introduction Part I Geophysical methods 1 Electrical methods / C. Kneisel and C. Hauck 1.1 Introduction 1.2 Measurement principles 1.3 Data acquisition 1.4 Data processing 1.5 Periglacial applications and particularities 1.6 Conclusions 1.7 Checklist References 2 Electromagnetic methods / A. Hardt and C. Hauck 2.1 Introduction 2.2 Background 2.3 Periglacial applications and particularities 2.4 Conclusions 2.5 Checklist References 3 Refraction seismics / L. Schrott and T. Hoffmann 3.1 Introduction 3.2 Measurement principles 3.3 Limitations of seismic refraction based on measurement principles 3.4 Data acquisition 3.5 Data processing 3.6 Periglacial applications and particularities 3.7 Checklist References 4 Ground-penetrating radar / I. Berthling and K. Melvold 4.1 Introduction 4.2 Measurement principles 4.3 Data acqusition 4.4 Data processing 4.5 Periglacial applications and particularities 4.6 Recommendations References Part Il Case studies 5 Typology of vertical electrical soundings for permafrost/ground ice investigation in the forefields of small alpine glaciers / R. Delaloye and C. Lambiel 5.1 Introduction 5.2 Method 5.3 Typology 5.4 Conclusions References 6 ERT imaging for frozen ground detection / M. Ishikawa 6.1 Introduction 6.2 Data acquisition and quality control 6.3 Case studies 6.4 Summary References 7 Electrical resistivity values of frozen soil from YES and TEM field observations and laboratory experiments / K. Harada 7.1 Introduction 7.2 Methods 7.3 Results 7.4 Summary References 8 Results of geophysical surveys on Kasprowy Wierch, the Tatra Mountains, Poland / W. Dobinski, B. Zogala, K. Wzietek and L. Litwin 8.1 Introduction 8.2 Field site 8.3 Methods 8.4 Measurements 8.5 Analysis and interpretation of the measurements 8.6 Conclusions References 9 Reassessment of DC resistivity in rock glaciers by comparing with P-wave velocity: a case study in the Swiss Alps / A. Ikeda 9.1 Introduction 9.2 Methods 9.3 Field sites with borehole information 9.4 Results 9.5 Discussion 9.6 Conclusions References 10 Quantifying the ice content in low-altitude scree slopes using geophysical methods / C. Hauck and C. Kneisel 10.1 Introduction 10.2 Methods 10.3 Field sites 10.4 Results 10.5 Discussion and conclusions References 11 The use of GPR in determining talus thickness and talus structure / O. Sass 11.1 Introduction 11.2 Study sites and data acquisition 11.3 Results 11.4 Conclusions References 12 GPR soundings of rock glaciers on Svalbard / I. Berthling, B. Etzelmüller, H. Farbrot, K. Isaksen, M. Wåle and R. Ødegård 12.1 Introduction 12.2 Methods 12.3 Results and interpretation 12.4 Discussion References 13 Arctic glaciers and ground-penetrating radar. Case study: Stagnation Glacier, Bylot Island, Canada / T. Irvine-Fynn and B. Moorman 13.1 Introduction 13.2 Field site 13.3 Field methods 13.4 Processing methods 13.5 Results 13.6 Discussion 13.7 Conclusions References 14 Mapping of subglacial topography using GPR for determining subglacial hydraulic conditions / K. Melvold and T. V. Schuler 14.1 Introduction 14.2 Field site 14.3 Methodology 14.4 Results 14.5 Discussion 14.6 Conclusions References 15 Snow measurements using GPR: example from Amundsenisen, Svalbard / K. Melvold 15.1 Introduction 15.2 GPR and GPS equipment and measurements 15:3 Data processing 15.4 Results and discussion 15.5 Conclusions References 16 Mapping frazil ice conditions in rivers using ground penetrating radar / I. Berthling, H. Benjaminsen and A. Kvambekk 16J Introduction 16.2 Setting and field procedures 16.3 Results 16.4 Discussion 16.5 Conclusions References Contents Appendix Tables of geophysical parameters for periglacial environments Index
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  • 2
    Monograph available for loan
    Monograph available for loan
    Nature, action and the future : political thought and the environment (2018)
    Cambridge : Cambridge University Press
    Details Availability
    Call number: IASS 20.94315
    Description / Table of Contents: Machine generated contents note: 1. Introduction: history, theory and the environment Katrina Forrester and Sophie Smith; Part I. Time Nature and the Land: 2. Is there any place for environmental thinking in early modern European political thought? Annabel Brett; 3. 'Sustainability', resources and the destiny of states in German cameralist thought Paul Warde; 4. Abundance and scarcity in geological time 1784-1844 Fredrick Albritton Jonsson; 5. Slack Malcolm Bull; Part II. Science, Agency and the Future: 6. The nature of fear and the fear of nature from Hobbes to the hydrogen bomb Deborah Coen; 7. Between Frankfurt and Vienna: two traditions of political ecology John O'Neill; 8. Uncertainty, action and politics: the problem of negligibility Melissa Lane; 9. What kind of problem is negligibility: a response to Melissa Lane Richard Tuck; 10. Optimism, pessimism, fatalism David Runciman; Afterword: climate change in the light of the past Quentin Skinner
    Description / Table of Contents: "Climate change is one of the great challenges of modern politics. In this volume, leading political theorists and historians investigate how the history of political ideas can help us make sense of it. The contributors add a historical perspective to contemporary debates in political theory. They also show that the history of political thought offers new directions for thinking about the environment today. By situating the relationship between humans and nature within a wider history of ideas, the essays provide alternative ways of thinking about the most intractable problems of environmental politics - the status of science in modern democracies, problems of collective action, and the challenges of fatalism. This volume will create new avenues of research for scholars and students in the history of political thought. It is essential reading for undergraduate students interested in environmental challenges: both those in politics seeking a historical perspective, and those in history who want to link their studies to the present"--
    Type of Medium: Monograph available for loan
    Pages: xi, 240 Seiten
    ISBN: 9781107199286 , 9781316648780
    URL: Inhaltsverzeichnis
    Language: English
    Branch Library: RIFS Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    Dynamics and predictability of large-scale high-impact weather and climate events (2015)
    Cambridge : Cambridge University Press
    Details Availability
    Call number: PIK N 455-16-89710
    Type of Medium: Monograph available for loan
    Pages: XIII, 356 Seiten , Illustrationen
    ISBN: 9781107071421 (hardback)
    Language: English
    Note: Preface ; Acknowledgements ; List of contributors ; Part I. Diagnostics and Prediction of High-Impact Weather: 1. Global prediction of high-impact weather: diagnosis and performance Mark Rodwell and Alan Thorpe ; 2. Severe weather diagnosis from the perspective of generalized slantwise vorticity development Guoxiong Wu, Yongjun Zheng and Yimin Liu ; 3. Probabilistic extreme event attribution Pardeep Pall, Michael Wehner and Dáithí Stone ; 4. Observed and projected changes in temperature and precipitation extremes Xuebin Zhang and Francis Zwiers ; Part II. High-Impact Weather in Mid-Latitudes: 5. Rossby wave breaking: climatology, interaction with low-frequency climate variability, and links to extreme weather events Olivia Martius and Gwendal Rivière ; 6. The influence of jet stream regime on extreme weather events Nili Harnik, Chaim Garfinkel and Orli Lachmy ; 7. Forecasting high-impact weather using ensemble prediction systems Richard Swinbank, Petra Friederichs and Sabrina Wahl ; 8. Storm tracks, blocking and climate change: a review Tim Woollings ; 9. The North Atlantic and Arctic Oscillations: climate variability, extremes and stratosphere troposphere interaction Adam A. Scaife ; Part III. Tropical Cyclones: 10. Opportunities and challenges in dynamical and predictability studies of tropical cyclone events Russell L. Elsberry and Hsiao-Chung Tsai ; 11. Predictability of severe weather and tropical cyclones at the mesoscales Fuqing Zhang, Christopher Melhauser, Dandan Tao, Y. Qiang Sun, Erin B. Munsell, Yonghui Weng and Jason A. Sippel ; 12. Dynamics, predictability, and high-impact weather associated with the extratropical transition of tropical cyclones Patrick Harr and Heather M. Archambault ; 13. Secondary eyewall formation in tropical cyclones Chun-Chieh Wu, Yi-Hsuan Huang and Zhe-Min Tan ; 14. Seasonal forecasting of floods and tropical cyclones Tom Beer and Oscar Alves ; Part IV. Heat-Waves and Cold-Air Outbreaks: 15. European heat waves: the effect of soil moisture, vegetation and land use Fabio D'Andrea, Philippe Drobinski and Marc Stéfanon ; 16. Western North American extreme heat, associated large scale synoptic-dynamics, and performance by a climate model Richard Grotjahn ; 17. Decadel to interdecadel variations of Northern China heatwave frequency: impact of the Tibetan Plateau snow cover Zhiwei Wu and Jianping Li ; 18. Global warming targets and heatwave risk Robin Clark ; 19. Cold-air outbreaks over East Asia associated with blocking highs: mechanisms and their interaction with the polar stratosphere Hisashi Nakamura, Kazuaki Nishii, Lin Wang, Yvan J. Orsolini and Koutarou Takaya ; Part V. Ocean Connections: 20. Response of the Atlantic Ocean circulation to North Atlantic freshwater perturbations Henk A. Dijkstra ; 21. Key role of Atlantic Multidecadal Oscillation in twentieth-century drought and wet periods over the US Great Plains and the Sahel Sumant Nigam and Alfredo Ruiz-Barradas ; 22. Floods and droughts along the Guinea Coast in connection with the South Atlantic Dipole Hyacinth C. Nnamchi and Jianping Li ; 23. The effect of global dynamical factors on the interannual variability of land-based rainfall Peter G. Baines and Benjamin J. Henley ; 24. MJO and extreme weather and climate events Chidong Zhang ; Part VI. Asian Monsoons: 25. Extreme weather and seasonal events during the Indian summer monsoon and prospects of improvement in their prediction skill under India's monsoon mission D. R. Sikka ; 26. Interannual variability and predictability of summer climate over the Northwest Pacific and East Asia Shang-Ping Xie and Yu Kosaka ; 27. Impacts of Annular Modes on extreme climate events over the East Asian monsoon region Jianping Li ; Index.
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  • 4
    Monograph available for loan
    Monograph available for loan
    Industrial organization : markets and strategies (2015)
    Cambridge : Cambridge University Press
    Details Availability
    Call number: PIK P 040-18-91409
    Type of Medium: Monograph available for loan
    Pages: xxv, 782 Seiten , Diagramme
    Edition: 2nd edition
    ISBN: 9781107069978 , 9781107687899
    URL: Autorenbiografie
    Language: English
    Note: Contents: Part I. Getting Started: 1. What is 'Markets and Strategies'? ; 2. Firms, consumers and the market ; Part II. Market Power: 3. Static imperfect competition ; 4. Dynamic aspects of imperfect competition ; Part III. Sources of Market Power: 5. Product differentiation ; 6. Advertising and related market strategies ; 7. Consumer inertia ; Part IV. Pricing Strategies and Market Segmentation: 8. Group pricing and personalized pricing ; 9. Menu pricing ; 10. Intertemporal price discrimination ; 11. Bundling ; Part V. Product Quality and Information: 12. Asymmetric information, price and advertising signals ; 13. Marketing tools for experience goods ; Part VI. Theory of Competition Policy: 14. Cartels and tacit collusion ; 15. Horizontal mergers ; 16. Strategic incumbents and entry ; 17. Vertically related markets ; Part VII. R&D and Intellectual Property: 18. Innovation and R&D ; 19. Intellectual property ; Part VIII. Networks, Standards and Systems: 20. Markets with network goods ; 21. Strategies for network goods ; Part IX. Market Intermediation: 22. Markets with intermediated goods ; 23. Information and reputation in intermediated product markets ; Appendix A. Game theory ; Appendix B. Competition policy
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  • 5
    Monograph available for loan
    Monograph available for loan
    The international law on climate change (2018)
    Cambridge : Cambridge University Press
    Details Availability
    Call number: PIK N 072-18-91857
    Description / Table of Contents: Contents: 1. Introduction; 2. The Rationale for International Action on Climate Change; 3. The UNFCCC Regime, From Rio to Paris; 4. Relevant Developments in Other Regimes; 5. Relevant Norms of General International Law; 6. Differentiation; 7. International Action on Climate Change Mitigation; 8. Flexibility Mechanisms; 9. Geoengineering; 10. International Action on Climate Change Adaptation; 11. Loss and Damage; 12. International Support; 13. Ambition and Compliance; 14. Adjudication; 15. Non-State Actors; 16. International Law in Times of Climate Change
    Description / Table of Contents: "Climate change is one of the greatest concerns of our time. For more than a quarter century, efforts have been made to mobilize international law as a tool to tackle climate change. Through the outcomes of protracted international negotiations and extensive doctrinal research, a new field of study has gradually emerged in international law. The international law on climate change is a system of State obligations to tackle climate change. It seeks to protect not only the sovereign rights of every State, but also the effective enjoyment of human rights, the interests of future generations and humankind as a whole, as well as other forms of life on Earth. The task is formidable: an attempt at altering the way we are changing our world. Some of the most complex negotiations ever undertaken have only touched the surface of the problem. The challenges are daunting, but the stakes are high and failure is not an option. It is hardly an overstatement that the fate of humankind depends on the international law on climate change"--
    Description / Table of Contents: "Global climate change is a topic of continuously growing interest. As more international treaties come into force, media coverage has increased and many universities are now starting to conduct courses specifically on climate change laws and policies. This textbook provides a survey of the international law on climate change, explaining how significant international agreements have sought to promote compliance with general norms of international law.Benoit Mayer provides an account of the rules agreed upon through lengthy negotiations under the United Nations Framework Convention on Climate Change (UNFCCC) and multiple other forums on mitigation, geoengineering, adaptation, loss and damage and international support.The International Law on Climate Change is suitable for undergraduate and graduate students studying climate, environmental or international law. It is supported by a suite of online resources featuring regularly updated lists of complementary materials and weblinks, and annually updated briefs for specific chapters"--
    Type of Medium: Monograph available for loan
    Pages: xxxii, 302 Seiten , Diagramme
    ISBN: 9781108412292 , 9781108419871
    Language: English
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  • 6
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    Monograph available for loan
    Innovating climate governance : moving beyond experiments (2018)
    Cambridge : Cambridge University Press
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    Call number: IASS 18.91616
    Type of Medium: Monograph available for loan
    Pages: xii, 250 Seiten
    ISBN: 9781108417457
    Language: English
    Branch Library: RIFS Library
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  • 7
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    Monograph available for loan
    The high-mountain cryosphere : environmental changes and human risks (2015)
    Cambridge : Cambridge University Press
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    Call number: M 18.91647
    Description / Table of Contents: Provides a definitive overview of the global drivers of high-mountain cryosphere change and their implications for people across high-mountain regions
    Type of Medium: Monograph available for loan
    Pages: xii, 363 Seiten
    ISBN: 9781107065840
    Classification:
    Geography and Geomorphology
    Language: English
    Note: Introduction: human-environment dynamics in the high-mountain cryosphere; References; Part I Global drivers; 2 Influence of climate variability and large-scale circulation on the mountain cryosphere; 2.1 Introduction; 2.2 European mountains; 2.3 North American Cordillera; 2.4 Tibetan Plateau and the surrounding high-mountain ranges; 2.5 The tropical Andes; 2.6 Mt. Kilimanjaro: a case study from East Africa; 2.7 Conclusions; Acknowledgements; References. 3 Temperature, precipitation and related extremes in mountain areas3.1 Introduction; 3.2 Basic characteristics of near surface temperature in mountain topography; 3.2.1 Altitude dependence of 2m temperature; 3.2.2 Altitude dependence of daily temperature anomalies; 3.2.3 The relation between surface air pressure and 2m temperature; 3.3 Temperature extremes; 3.4 Precipitation patterns in mountain areas; 3.4.1 Measuring and monitoring precipitation; 3.5 Precipitation extremes; 3.5.1 Selected gridded data products; 3.5.1.1 Reanalyses; 3.5.1.2 Combined observations. 3.5.1.3 Interpolated rain-gauge station data3.5.2 Comparison and discussion of the gridded data products; 3.6 Conclusions; Acknowledgments; References; 4 Snow and avalanches; 4.1 Introduction; 4.1.1 Snow cover; 4.1.2 Snow avalanche hazard and risk; 4.2 Environmental change; 4.2.1 Climate change and mountain snow cover; 4.2.2 Effects on snow avalanches; 4.3 Socio-economic change; 4.3.1 Drivers of socio-economic change; 4.3.2 Effects on snow avalanche risk; 4.3.2.1 Temporal dynamics of socio-economic changes; 4.3.2.2 Spatial dynamics of socio-economic changes; 4.4 Conclusions; References. 5 The frozen frontier: the extractives super cycle in a time of glacier recession5.1 Introduction; 5.2 The icy edge of climate change; 5.3 The icy edge of the global extractives super cycle; 5.4 New mountains of mines and the frozen north; 5.5 Extending the extractives complex into the cryosphere; 5.6 Liquid relations and stratified societies; 5.7 The frigid fringe: extractive bio-futures and the freezing depths; 5.8 Conclusion; References; 6 Cultural values of glaciers; 6.1 Introduction; 6.2 Three cases in the Alps, the Andes, and the North Cascades. 6.3 Understanding the cultural values of glaciers6.4 Case study 1: Stilfs, South Tirol, Italian Alps; 6.4.1 The role of glaciers for community, identity, and self-reliance in Stilfs; 6.5 Case study 2: Siete Imperios, Cordillera Blanca, Peru; 6.5.1 The role of glaciers and mountains for community, identity, and self-reliance in Siete Imperios; 6.6 Case study 3: Glacier and Concrete, North Cascades, USA; 6.6.1 The role of glaciers and mountains for community, identity, and self-reliance in Glacier and Concrete; 6.7 Discussion and conclusions; Acknowledgments; References; Part II Processes. 7 Implications for hazard and risk of seismic and volcanic responses to climate change in the high-mountain cryosphere.
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  • 8
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    Series available for loan
    Hydrology and climatology of the Caribou-Poker Creeks research Watershed, Alaska (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/26
    In: CRREL Report, 82-26
    Description / Table of Contents: The Caribou-Poker Creeks Research Watershed is a small (101.5-sq km) drainage basin located 48 km northwest of Fairbanks, Alaska. Elevations within the watershed range from 210 to 826 m, and approximately 28% of its area is underlain by permafrost. Climatic differences between the watershed and Fairbanks are primarily due to the higher elevation of the watershed. Generally the watershed climatic sites are warmer in winter and cooler in summer than Fairbanks. Within the watershed the greatest temperature contrasts exist in winter, when the valley-bottom sites are beneath the regional air temperature inversion, and the higher sites are above it. From May through September the total precipitation averages 270 mm, 1.47 times that received at Fairbanks. The annual precipitation is about 1.7 times that of Fairbanks. The historical precipitation record at Fairbanks indicates that summer precipitation was below the long-term normal in eight of the eleven years of watershed measurements (1969-1980); no climatic extremes occurred during this period. An analysis of annual streamflow data showed an inconsistency of baseflow recessions from year to year. The runoff-rainfall ratio for individual summer storms averaged 0.35 for Caribou Creek. Comparisons of spot discharge measurements of predominantly permafrost and non-permafrost subwatersheds showed that permafrost-dominated watersheds have a much flashier response to precipitation than non-permafrost watersheds. A comparison of the annual flow distribution of the watershed indicated that Caribou Creek has lower summer and higher winter discharges per unit area than the Chena or Salcha Rivers.
    Type of Medium: Series available for loan
    Pages: 42 Seiten , Illustrationen
    Series Statement: CRREL Report 82-26
    URL: https://apps.dtic.mil/docs/citations/ADA122402
    URL: https://hdl.handle.net/11681/9369
    Language: English
    Note: CONTENTS Abstract Preface Introduction Setting Geology and soils Vegetation Climate Air temperature Precipitation Hydrology Annual and monthly runoff Individual storms Baseflow recessions Spatial flow variability Temporal flow variability Summary and conclusions Literature cited Appendix A: Station histories
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  • 9
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    Series available for loan
    Review of the propagation of inelastic pressure waves in snow (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/13
    In: CRREL Report, 83-13
    Description / Table of Contents: A review on past experimental and theoretical work indicates a need for additional experimentation to characterize the response of snow to inelastic pressure waves. Pressure data from previously conducted explosion tests are analyzed to estimate the elastic limit of snow of 400 -kg/cu m density to be about 36 kPa. This pressure corresponds to a scaled distance of 1.6 m/cu.rt.kg for charges fired beneath the surface of the snow, and to a scaled distance of 1.2 m/cu.rt.kg for charges fired in the air. The effects of a snow cover on the method of clearing a minefield by using an explosive charge fired in the air above the snow surface are also discussed and recommendations are given for further work in this area. Explosive pressure data are used to estimate the maximum effective scaled radius for detonating buried mines at shallow depth to be 0.8 m/cu.rt.kg. Fuel-air explosive will increase this effective radius significantly because of the increase in the size of the source region.
    Type of Medium: Series available for loan
    Pages: 33 Seiten , Illustrationen
    Series Statement: CRREL Report 83-13
    URL: https://apps.dtic.mil/docs/citations/ADA128714
    URL: https://hdl.handle.net/11681/9335
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Objectives Background Problems in describing the response of snow to an applied stress Methods of determining the dynamic behavior of materials Review of previous studies on snow Experimental measurements on snow Summary of snow experiments Theoretical studies Confirmation of the theory Discussion Applications Recommendations Summary Literature cited Appendix A. Selected data from Wisotski and Snyder (1966) Appendix B. Pressure data from Livingston (1964)
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  • 10
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    Series available for loan
    A study on the tensile strength of ice as a function of grain size (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/14
    In: CRREL Report, 83-14
    Description / Table of Contents: An analysis of ice fracture that incorporates dislocation mechanics and linear elastic fracture mechanics is discussed. The derived relationships predict a brittle to ductile transition in polycrystalline ice under tension with a Hall-Petch type dependence of brittle fracture strength on grain size. A uniaxial tensile testing technique, including specimen preparation and loading system design was developed and employed to verify the model. The tensile strength of ice in purely brittle fracture was found to vary with the square root of the reciprocal of grain size, supporting the relationship that the theory suggests. The inherent strength of the ice lattice and the Hall-Petch slope are evaluated and findings discussed in relation to previous results. Monitoring of acoustic emissions was incorporated in the tests, providing insights into the process of microfracture during ice deformation.
    Type of Medium: Series available for loan
    Pages: 43 Seiten , Illustrationen
    Series Statement: CRREL Report 83-14
    URL: https://apps.dtic.mil/docs/citations/ADA134889
    URL: https://hdl.handle.net/11681/9340
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Development of testing technique Test specimens Tensile testing Compression testing Experimental results Tensile tests Compression tests Discussion Conclusions Suggestions for further work Literature cited Appendix A: Additional information on seed grains Appendix B: Thin-sectioning procedure Appendix C: Displacement transducer calibration
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  • 11
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    Series available for loan
    Erosion of perennially frozen streambanks (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/29
    In: CRREL Report, 83-29
    Description / Table of Contents: A literature review indicated that the effects or permafrost on streambank erodibility and stability are not yet understood because systematic and quantitative measurements are seriously lacking. Consequently, general controversy exists as to whether perennially frozen ground inhibits lateral erosion and bankline recession, or whether it increases bank recession rates. Perennially frozen streambanks erode because of modification of the bank's thermal regime by exposure to air and water, and because of various erosional processes. Factors that determine rates and locations of erosion include physical, thermal and structural properties of bank sediments, stream hydraulics and climate. Thermal and physical modification of streambanks may also induce accelerated erosion within permafrost terrain removed from the immediate river environment. Bankline or bluffline recession rates are highly variable, ranging from less than 1 m/year to over 30 m/year and, exceptionally, to over 60 m/year. Long-term observations of the physical and thermal erosion processes and systematic ground surveys and measurements of bankline-bluffline recession rates are needed.
    Type of Medium: Series available for loan
    Pages: iv, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 83-29
    URL: https://apps.dtic.mil/docs/citations/ADA138410
    URL: https://hdl.handle.net/11681/9290
    Language: English
    Note: CONTENTS Abstract Preface Introduction Stream bank erosional processes Permafrost and related factors Permafrost and erosion General Erosional processes Bank zone processes Bluff zone processes Factors affecting perm afrost erodibility Exposure to currents and wind waves Texture and stratigraphy Ice content, distribution and type Slope aspect Coriolis force Timing and depth of thaw Water level and temperature Vegetation Ice and snow cover Groundwater Rates and timing of erosion and recession Overall effects of permafrost Recommendations for research Literature cited Appendix A : Processes of stream bank modifications
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  • 12
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    Series available for loan
    Mechanics of ice jam formation in rivers (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/31
    In: CRREL Report, 83-31
    Description / Table of Contents: A mathematical model is described that is used to determine the maximum ice conveyance capacity of a river channel. Based upon this model, computer programs were developed that enable the ice discharge to be calculated for steady-state flow conditions. For rivers that have uniform flow, the maximum ice-conveying capacity can be described with a simple function expressed in terms of the size of the ice fragments, channel geometry, and the flow of water in the river. For nonuniform flows, the computer program determines the elevation profile of the surface layer in addition to other flow characteristics, such as the velocity and surface concentration of the ice fragments. The location along this surface profile where the ice conveyance capacity becomes less than the upstream supply is determined and is considered to be the position where a surface ice jam or ice bridge will be formed.
    Type of Medium: Series available for loan
    Pages: iv, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 83-31
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a138371.pdf
    URL: https://hdl.handle.net/11681/9292
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Constitutive relationships Equations of motion Uniform flow Nonuniform flow Ice transport: Uniform flow Symmetric channel Asymmetric channel Ice transport: Nonuniform flow Further considerations Basis for model improvement Conclusions Literature cited
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  • 13
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    Ice forces on rigid, vertical, cylindrical structures (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/33
    In: CRREL Report, 84-33
    Description / Table of Contents: A small-scale experimental study was conducted to characterize the magnitude and nature of ice forces during continuous crushing of ice against a rigid, vertical, cylindrical structure. The diameter of the structure was varied from 50 to 500 mm, the relative velocity from 10 to 210 mm/s, and the ice thickness from 50 to 80 mm. The ice tended to fail repetitively, with the frequency of failure termed the characteristic frequency. The characteristic frequency varied linearly with velocity and to a small extent with structure diameter. The size of the damage zone was 10 to 50% of the ice thickness, with an average value of 30%. The maximum and mean normalized ice forces were strongly dependent on the aspect ratio (structure diameter/ice thickness). The forces increased significantly with decreasing aspect ratio, but were constant for large aspect ratios. The maximum normalized forces appeared to be independent of strain rate. The effect of velocity on the normalized ice forces depended on structure diameter. The mean effective pressure or specific energy of ice crushing depended on both aspect ratio and ice-structure relative velocity. The energy required to crush the ice for the one failure cycle was obtained from the ice force records for each test, and was compared to the energy calculated from an idealized sawtooth shape for the force record, the maximum force, velocity and characteristic frequency data. Originator - supplied keywords included: Cold regions, Cold regions construction, Cylindrical test structures, Ice, Ice crushing, Ice forces, and Test facilities.
    Type of Medium: Series available for loan
    Pages: vi, 47 Seiten , Illustrationen
    Series Statement: CRREL Report 84-33
    URL: https://hdl.handle.net/11681/9351
    Language: English
    Note: Contents Abstract Preface Nomenclature Introduction Test objectives Experimental setup and procedures Facilities Test fixture Data acquisiton system Ice sheets Measurement of ice properties Daily test summary Experimental results and discussion Observations Ice force records Frequency of ice force variations Discussion Maximum crushing forces Mean effective pressure or specific energy of ice in crushing Failure energy of ice Ratio of maximum force to mean force Summary and conclusions Literature cited Appendix A: Data for continuous crushing tests
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  • 14
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    The effects of conductivity on high-resolution impulse radar sounding, Ross Ice Shelf, Antarctica (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/42
    In: CRREL Report, 82-42
    Description / Table of Contents: A high-resolution impulse radar profiling system was evaluated for 1) detecting the existence of sea ice which coring has revealed to exist on the bottom of the Ross Ice Shelf at Site J-9, 2) detecting the preferred horizontal c-axis azi-muthal direction of the sea ice crystals, using the voltage amplitude of the radar reflection from the sea ice bottom, and 3) determining the direction of the currents under an Antarctic ice shelf. A field program was conducted consisting of a surface radar survey on the Ross Ice Shelf at Site J-9 and surface and airborne radar profiling on the McMurdo Ice Shelf. The CRREL impulse radar system, operating at a center frequency of either 80 MHz or 20 MHz, was unable to detect the shelf bottom at Site J-9, which drilling revealed to be 416 m below the snow surface. The radar system was used to profile the McMurdo Ice Shelf both from the snow surface and from the air; a shelf thickness of about 275 m was easily detected. Theoretical considerations indicate that the bulk conductivity of the ice shelf at Site J1-9 was higher than originally anticipated, and this limited the radar sounding depth to about 405 m when operating at a frequency of 20 MHz.
    Type of Medium: Series available for loan
    Pages: iv, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 82-42
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a124456.pdf
    URL: https://hdl.handle.net/11681/9323
    Language: English
    Note: CONTENTS Abstract Introduction Profiling system Theoretical considerations Field program Discussion Literature cited
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  • 15
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    Evaluation of procedures for determining selected aquifer parameters (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/41
    In: CRREL Report, 82-41
    Description / Table of Contents: Many of the important factors influencing the choice of appropriate aquifer test procedures are presented. The concepts of bias, accuracy and spatial variabil­ity are explained. The definitions of a number of aquifer parameters are devel­oped from basic principles demonstrating the underlying assumptions and limita­tions. The parameters considered are: piezometric head, hydraulic conductiv­ity/intrinsic permeability, flow direction, specific discharge magnitude, transmissivity, volumetric flow rate, total porosity, effective porosity, aver­age linear velocity, storage coefficient, specific yield, dispersion coefficient-aquifer dispersivity. For each parameter several techniques are described, evaluated and ranked in terms of perceived potential accuracy, simplicity and value to contaminant transport studies. It must be stressed, however, that the evaluations are based principally upon theoretical grounds, and not upon actual conduct of the described procedures.
    Type of Medium: Series available for loan
    Pages: iv, 111 Seiten , Illustrationen
    Series Statement: CRREL Report 82-41
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/7365/rec/1
    URL: https://hdl.handle.net/11681/9322
    Language: English
    Note: CONTENTS Abstrac Preface Introduction Purpose Scope Concept of accuracy Test selection Definition of parameters Piezometric head Use of piezometers Hydraulic conductivity Flow direction Specific discharge magnitude Transmissivity Volumetric flow rate Porosity Average linear velocity Storage coefficient-specific yield Aquifer dispersivity Parameter estimation techniques Piezometric head Hydraulic conductivity Direction and magnitude of specific discharge vector Transmissivity Volumetric flow rate Total porosity Average linear velocity Storage coefficient Specific yield Effective porosity Aquifer dispersivity-dispersion coefficients Conclusions Literature cited
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  • 16
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    Public choice III (2009)
    Cambridge : Cambridge University Press
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    Call number: PIK C 111-20-93514
    Type of Medium: Monograph available for loan
    Pages: XIX, 768 Seiten , Diagramme
    Edition: 15th printing
    ISBN: 9780521894753 (pbk) , 9780521815468 (hbk)
    URL: Inhaltsverzeichnis
    Language: English
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  • 17
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    Sea ice data buoys in the Weddel Sea (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/11
    In: CRREL Report, 84-11
    Description / Table of Contents: Data obtained from two sets of data buoys either air-dropped or deployed by ship onto the Weddell Sea pack ice during the period from Dec 1978 to Nov 1980 are presented. The buoy data include position, pressure and temperature information and to date represent the most complete combined weather and pack ice drift records for the ice-covered Southern Ocean regions. The buoys tended to drift north initially and then to turn east generally between latitudes 62°S and 64°S. Buoy 1433 turned east farther south at approximately 67°S but at about the same time as buoy 0527, implying that the westerly wind belt was farther south than usual in 1979. The range of air pressures-from about 950 mb to about 1020 mb is typical of the circumpolar low pressure trough in the Southern Hemisphere. All buoys were equipped with an internal or compartment temperature sensor. The 1980 buoys also contained an external air temperature sensor in a ventilated, shielded can at 1-m height. Although differences of 10°C or more between recorded air and compartment temperatures are common, the correlation between the two measured temperatures is generally very good. The compartment temperatures are higher probably because the buoy is radiationally heated. We found that subtracting 3°C from the average daily compartment temperature yielded a good estimate of the average air temperature for any given day. This technique can be used to construct average daily air temperature records for the 1979 buoys which only contained the internal or compartment temperature sensor.
    Type of Medium: Series available for loan
    Pages: v, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 84-11
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a144953.pdf
    URL: https://hdl.handle.net/11681/9504
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods and instrumentation Results Drift tracks Pressure data Temperature data Discussion Conclusions Literature cited
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  • 18
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    Mechanical properties of multi-year sea ice : Phase I: Test results (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/9
    In: CRREL Report, 84-9
    Description / Table of Contents: This report presents the results of the first phase of a test program designed to obtain a comprehensive understanding of the mechanical properties of multi-year sea ice from the Alaskan Beaufort Sea. In Phase I, 222 constant-strain-rate uni-axial compression tests were performed on ice samples from ten multi-year pressure ridges to examine the magnitude and variation of ice strength within and between pressure ridges. A limited number of constant-strain-rate compression and tension tests, constant-load compression tests, and conventional triaxial tests were also performed on ice samples from a multi-year floe to provide preliminary data for developing ice yield criteria and constitutive laws for multi-year sea ice. Data are presented on the strength, failure strain, and modulus of multi-year sea ice under different loading conditions. The statistical variation of ice strength within and between pressure ridges is examined, as well as the effects of ice temperature, porosity, structure, strain rate and confining pressure on the mechanical properties of multi-year sea ice.
    Type of Medium: Series available for loan
    Pages: v, 107 Seiten , Illustrationen
    Series Statement: CRREL Report 84-9
    URL: https://apps.dtic.mil/docs/citations/ADA144132
    URL: https://hdl.handle.net/11681/9279
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field Sampling Site selection and description Ice sampling procedures Shipping and storage of ice samples Testing Techniques Multi-year Pressure Ridge Tests Ice description Sampling scheme and test variables Uniaxial compressive strength Residual compressive strength Failure strains Initial tangent modulus Statistical Variations in Ice Strength Differences in strength above and below level ice Sources of the variation in strength Shape of the strength histograms Multi-year Floe Ice Tests Ice description Uniaxial compressive strength Constant-load compression tests Constant-strain-rate tension tests Triaxial tests Conclusions Literature Cited Appendix A: Structural profile of a multi-year pressure ridge core Appendix B: Ridge uniaxial compression test data Appendix C: Structural profile of the continuous multi-year floe core Appendix D: Multi-year floe test data
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  • 19
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    High-dimensional probability : an introduction with applications in data science (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK M 311-19-92591
    Description / Table of Contents: Preliminaries on random variables -- Concentration of sums of independent random variables -- Random vectors in high dimensions -- Random matrices -- Concentration without independence -- Quadratic forms, symmetrization and contraction -- Random processes -- Chaining -- Deviations of random matrices and geometric consequences -- Sparse recovery -- Dvoretzky-Milman's theorem
    Type of Medium: Monograph available for loan
    Pages: xiv, 284 Seiten , Illustrationen, Diagramme , 179 x 261 x 25
    Edition: Reprinted
    ISBN: 9781108415194
    Series Statement: Cambridge series in statistical and probabilistic mathematics 47
    URL: Cover
    URL: http://www.gbv.de/dms/tib-ub-hannover/1019158433.pdf
    Language: English
    Location: A 18 - must be ordered
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  • 20
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    Evaluation of methods for calculating soil thermal conductivity (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/8
    In: CRREL Report, 82-8
    Description / Table of Contents: A detailed analysis of methods for calculating the thermal conductivity of soils is presented, and trends in the predic­tions of these methods are compared. The influence of changes in the moisture content on the calculated thermal con­ductivity of a soil (at constant dry density) is shown, as is the sensitivity of this calculated value to changes in dry den­sity or in the soil solids’ thermal conductivity. The methods are evaluated to determine the extent of agreement of their predictions with measured values obtained on soils of known composition and properties. The deviations of the predicted values are determined for soils that are unfrozen or frozen, coarse or fine, unsaturated, saturated or dry. The applicability of each of the methods under various conditions is determined and recommendations are made as to the best method for each condition.
    Type of Medium: Series available for loan
    Pages: vi, 90 Seiten , Illustrationen
    Series Statement: CRREL Report 82-8
    URL: https://hdl.handle.net/11681/9452
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Analysis of methods for calculating thermal conductivity Introduction Influence of moisture content on thermal conductivity Influence of dry density on thermal conductivity Influence of soil solids’ thermal conductivity Comparison of the various methods Evaluation of methods for calculating thermal conductivity Soils data used for evaluation Computer program Applicability of the methods Discussion and conclusions Applicability to unfrozen soils Applicability to frozen soils Applicability to saturated soils Effect of soil mineral composition Applicability to dry soils Summary of applicability of methods Literature cited Appendix A: Properties of some test soils Appendix B: Comparison of thermal conductivity values computed by the various methods and of their deviations from the values measured
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  • 21
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    The classical thermodynamics of deformable materials (1980)
    Cambridge : Cambridge University Press
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    Call number: M 15.89100
    Description / Table of Contents: This 1980 monograph develops from first principles the description of finite deformations of solids under stress and the forces acting, and also the expression of internal forces in terms of stress tensors. The important feature of the book is that elastic properties are discussed and developed consistently from classical thermodynamics. In other books, this point of view is acknowledged only by assuming the existence of an elastic energy function, thus restricting their range mainly to the problem of the spatial distribution of stresses and strains. Topics discussed as applications of the theory include thermal expansion, specific heats, stiffness and complicances, the effects of symmetry on thermodynamic properties, diffusion in a stressed solid, equilibrium in contact with a solution of the solid, phase stability, solid state phase transitions and twinning.
    Type of Medium: Monograph available for loan
    Pages: xvii, 338 S. , graph. Darst.
    ISBN: 0-521-21237-5
    Series Statement: Cambridge monographs on physics
    Language: English
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  • 22
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    Elements of crustal geomechanics (2015)
    Cambridge : Cambridge University Press
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    Call number: 15/M 16.89955 ; M 16.89955/2. Ex.
    Type of Medium: Monograph available for loan
    Pages: XV, 461 S. , Ill., graph. Darst., Kt-
    ISBN: 9780521875783
    URL: Autorenbiografie
    URL: Verlagsangaben
    URL: Inhaltsverzeichnis
    Classification:
    Engineering Geophysics
    Language: English
    Note: 1. Geomaterials and crustal geomechanics -- 2. Elements of rheology -- 3. Forces and stresses -- 4. Elements of kinematics -- 5. Elements of linear elasticity -- 6. From continuum mechanics to fluid mechanics -- 7. Elements of linear fracture mechanics -- 8. Laboratory investigations on geomaterials under compression -- 9. Homogenized geomaterials -- 10. Fractures and faults -- 11. Elements of seismology -- 12. Elements of solid-fluid interactions -- 13. Methods for stress fields evaluation from in situ observations -- 14. Elements of stress fields and crustal rheology -- References -- Appendix A. Elements of tensors in rectangular coordinates -- Index..
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  • 23
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    Bering Strait sea ice and the Fairway Rock icefoot (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/31
    In: CRREL Report, 82-31
    Description / Table of Contents: Information on sea ice conditions in the Bering Strait and the icefoot formation around Fairway Rock, located in the strait, is presented. Cross-sectional profiles of Fairway Rock and the relief of the icefoot are given along with theoretical analyses of the possible forces active during icefoot formation. It is shown that the ice cover most likely fails in flexure as opposed to crushing or buckling, as the former requires less force. Field observations reveal that the Fairway Rock icefoot is massive, with ridges up to 15 m high, a seaward face only 20 degrees from vertical, and interior ridge slopes averaging 33 degrees. The icefoot is believed to be grounded and its width ranges from less than 10 to over 100 m.
    Type of Medium: Series available for loan
    Pages: 44 Seiten , Illustrationen
    Series Statement: CRREL Report 82-31
    URL: https://apps.dtic.mil/docs/citations/ADA122477
    URL: https://hdl.handle.net/11681/9317
    Language: English
    Note: CONTENTS Abstract Preface Introduction Bering Strait Field reconnaissance Estimation of ice forces on Fairway Rock 1. Creep deformation 2. Crushing failure 3. Flexural failure 4. Forces required to form floating or grounded pressure ridges along therock or to pile ice on the beaches 5. Buckling failure Driving forces Angle of internal friction of sea ice Summary Literature cited Appendix A: April 1982 field observations at Fairway Rock
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  • 24
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    On the differences in ablation seasons of Arctic and Antarctic sea ice (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/33
    In: CRREL Report, 82-33
    Description / Table of Contents: Arctic sea ice is freckled with melt ponds during the ablation season; Antarctic sea ice has few, if any. On the basis of a simple surface heat budget, we investigate the meteorological conditions necessary for the onset of surface melting in an attempt to explain these observations. The low relative humidity associated with the relatively dry winds off the continent and an effective radiation parameter smaller than that characteristic of the Arctic are primarily responsible for the absence of melt features in the Antarctic. Together these require a surface-layer air temperature above 0 C before Antarctic sea ice can melt. A ratio of the bulk transfer coefficients C sub H/C sub E less than 1 also contributes to the dissimilarity in Arctic and Antarctic ablation seasons. The effects of wind speed and of the sea-ice roughness on the absolute values of C sub H and C sub E seem to moderate regional differences, but final assessment of this hypothesis awaits better data, especially from the Antarctic.
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    Pages: 16 Seiten , Illustrationen
    Series Statement: CRREL Report 82-33
    URL: https://apps.dtic.mil/docs/citations/ADA122454
    URL: https://hdl.handle.net/11681/9374
    Language: English
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  • 25
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    Hydraulic model study of Port Huron ice control structure (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/34
    In: CRREL Report, 82-34
    Description / Table of Contents: The ice discharge through an opening in an ice control structure was documented to be a function of the floe size, ice type, ice floe conditions and vessel direction. The model data for the average ice discharge per vessel transit scaled to prototype values compared favorably with data taken at the St. Marys River ice control structure (ICS). The model results of the force measurements were also consistent with data taken at the St. Marys ICS. The dynamic loading conditions were independent of vessel direction. The dynamic loading to the structure using 3 types of ice (plastic, natural and urea-doped) showed a considerable difference in their means and standard deviations. The urea-doped ice was evaluated for dynamic loading conditions, and reasonable peak values of 3 to 5 times the mean load at each measuring position were recorded, independent of vessel direction. It appears that synthetic random ice floes may be used in model studies where ice discharge through an opening in a structure needs to be documented. This study shows the synthetic random ice floe discharge to fall reasonably within the values obtained for natural ice discharge for both rafted and non-rafted ice fields above the ICS. However, the question of whether synthetic ice can be used for analyzing force distributions and dynamic force loading criteria cannot be fully answered at this time because the load distributions of the synthetic and natural floes appear to differ.
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    Pages: 68 Seiten , Illustrationen
    Series Statement: CRREL Report 82-34
    URL: https://apps.dtic.mil/docs/citations/ADA123715
    URL: https://hdl.handle.net/11681/9331
    Language: English
    Note: CONTENTS Abstract Preface Introduction Scope of work Ice discharge from Lake Huron into St. Clair River Water velocity profiles at Port Huron Ice conditions Physical model Basis for selection Description Instrumentation Model ice control structure Open water calibration Open water tests Experimental procedures and techniques Ice cover calibration Ice control structure orientation Analysis of ice discharge due to ship transits Natural ice Synthetic ice Forces on the ice control structure Static measurements Dynamic force measurements Potential additional shear stresses Anticipated ice conditions with ICS Conclusions Literature cited Appendix A. Application of model results Appendix B. Suggested additional studies Appendix C. Derivation of ice discharge
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  • 26
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    Shore ice ride-up and pile-up features : Part I: Alaska's Beaufort Sea Coast (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/9
    In: CRREL Report, 83-9
    Description / Table of Contents: Recent observations of shore ice pile-up and ride-up along the coast of the Alaska Beaufort Sea are presented. Information is given to show that sea ice movement on shore has overridden steep coastal bluffs and has thrust inland over 150 m, gouging into and pushing up mounds of beach sand, gravel, boulders and peat and, inland, the tundra material. The resulting ice scar morphology was found to remain for tens of years. Onshore ice movements up to 20 m are relatively common, but those over 100 m are very infrequent. Spring is a dangerous time, when sea ice melts away from the shore, allowing ice to move freely. Under this condition, driving stresses of less than 100 kPa can push thick sea ice onto the land.
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    Pages: v, 59 Seiten , Illustrationen
    Series Statement: CRREL Report 83-9
    URL: https://apps.dtic.mil/docs/citations/ADA127198
    URL: https://hdl.handle.net/11681/9316
    Language: English
    Note: Contents Abstract Preface Introduction Winter 1979-80 observations Winter 1980-81 and summer 1981 observations Winter 1981-82 and summer 1982 observations Old ice ride-up features Discussion Literature cited Appendix A. The boulder rampart and rock littered shore west of Konganevik Pt. Appendix B. Site location maps
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  • 27
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    Properties of urea-doped ice in the CRREL test basin (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/8
    In: CRREL Report, 83-8
    Description / Table of Contents: In the course of model tests with urea-doped ice in the CRREL Ice Engineering Facility test basin, the growth process and the physical and mechanical properties of the model ice were investigated. The parameters which were varied were: urea concentration in the tank water, air temperature during growth, growth duration, and tempering time. Uniformity of ice thickness and ice mechanical properties over the whole tank area were found to be satisfactory. The structure of the urea-doped ice was found to be similar to that of the ice except for a relatively thick incubation layer over a dendritic bottom layer. Empirical relationships were established between: ice thickness and negative degree-hours; mechanical properties and growth temperature, urea concentration, and ice thickness; and reduction in mechanical properties and tempting time. The results of the study are presented in charts which permit reliable scheduling of model tests with required ice thickness and ice flexural strength.
    Type of Medium: Series available for loan
    Pages: vii, 53 Seiten , Illustrationen
    Series Statement: CRREL Report 83-8
    URL: https://apps.dtic.mil/docs/citations/ADA128219
    URL: https://hdl.handle.net/11681/9315
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Experimental facility and procedures Ice test basin Ice growth procedure Measurements Ice growth and structure Ice thickness distribution Ice growth during freeze-up Ice growth during warm-up Structure of urea-doped ice Mechanical properties of urea-doped ice Introductory remarks Model of a two-layer elastic material Properties of urea-doped ice during freeze-up Properties of urea-doped ice during warm-up Applications to test program scheduling Summary and conclusions Literature cited Appendix A: Results of ice thickness measurements for various growth conditions Appendix B: Properties of untempered ice Appendix C: Properties of tempered ice
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  • 28
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    Dynamic ice-structure interaction during continuous crushing (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/5
    In: CRREL Report, 83-5
    Description / Table of Contents: This report presents the results of dynamic ice-structure interaction model tests conducted at the CRREL Ice Engineering Facility. A flexible, single-pile, bottom-founded offshore structure was simulated by a test pile with about a one-to-ten scale ratio. Urea (instead of sodium chloride) was used as dopant to scale down the ice properties, resulting in good model ice properties. Six ice fields were frozen and 18 tests carried out. In all cases distinctive dynamic ice structure interaction vibrations appeared, from which abundant data were collected. In tests with linear ice velocity sweep, sawtooth-shaped ice force fluctuations occurred first. With increasing velocity the natural modes of the test pile were excited, and shifts from one mode to another occurred. The maximum ice force values appeared mostly with low loading rates, but high forces appeared random'y at high ice velocities. As a general trend, ice force maximums, averages and standard deviations decreased with increasing ice velocities. The aspect ratio effect of the ice force in continuous crushing follows the same dependence as in static loadings. The frequency of observed ice forces is strongly dominated by the natural modes of the structure. Dynamically unstable natural modes tend to make the developing ice force frequencies the same as the natural frequencies. Otherwise the resulting frequency depends directly on structural stiffness and ice velocity and inversely on the ice force range. During vibrations the displacement rates of the structure overcome the velocity of ice, making low loading rates and hence high ice forces possible. During crushing, ice induces both positive and negative damping.
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    Pages: iv, 53 Seiten , Illustrationen
    Series Statement: CRREL Report 83-5
    URL: https://apps.dtic.mil/docs/citations/ADA126349
    URL: https://hdl.handle.net/11681/9311
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test arrangements Ice properties Crushing patterns Maximum ice force vs velocity Dynamic aspect ratio effect and crushing strength Measured ice force frequencies Calculated ice force frequencies Accelerations, velocities and displacements Damping Ice-induced negative damping Limit cycles Buckling load Conclusions Literature cited
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  • 29
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    Analysis of roof snow load case studies : uniform loads (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/1
    In: CRREL Report, 83-1
    Description / Table of Contents: Roof snow load case studies gathered throughout the United States over a three-year period are analyzed. The objective of the analysis is to determine a relationship between the snow load on the ground and the corresponding uniform snow load on flat and sloped roofs. The main parameters considered are the thermal characteristics of the roof, the roof slope and the exposure of the structure. Exposure has the strongest effect on the ratio of ground to roof snow loads. Comparisons are made with existing and proposed building codes and standards.
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    Pages: iv, 47 Seiten , Illustrationen
    Series Statement: CRREL Report 83-1
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a126330.pdf
    URL: https://hdl.handle.net/11681/9329
    Language: English
    Note: CONTENTS Abstract Preface Metric conversion table Introduction Data base Conversion factor Ground load effects Exposure effects Thermal effects Slope effects Expected value relationship Comparison with existing codes and standards Comparison with relationships proposed in new ANSI standard Summary and conclusions Literature cited Appendix A. Roof snow load case history reports Appendix B. Roofs in the snow load case study data base Appendix C. Ground and roof snow load data Appendix D. Conversion factors from the 1982 ANSI standard
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    Climate change in practice : topics for discussion with group exercises (2017)
    Cambridge : Cambridge University Press
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    Call number: M 19.92509
    Description / Table of Contents: Derived from an undergraduate course taught by the author, this accessible book seeks to challenge and provoke readers by posing a series of topical questions concerning climate change and society. Topic summaries provide answers to technical, socio-economic and moral questions surrounding the deployment of climate science. These include how to build and test a climate model, whom and what is most at risk from climate change, and whether we should geoengineer the climate. Practical exercises and case studies provide deeper insights by taking readers through role-play activities and authentic climate change projects. Supporting materials, including notes for instructors and students, graphics, video-clips, games, and online resources, offer scope for further private study and group work. With a focus on applying climate science in practice, this book is ideal for students of geography, natural science, engineering and economics, as well as practitioners involved in the climate service industry
    Type of Medium: Monograph available for loan
    Pages: xiii, 351 Seiten , Illustrationen
    ISBN: 978-1-316-50777-3
    Classification:
    Meteorology and Climatology
    Language: English
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  • 31
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    Radar detection of ice wedges in Alaska (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/43
    In: CRREL Report, 82-43
    Description / Table of Contents: The radar signatures of ice wedges and wedge-like structures have been investigated for a variety of soil conditions. The radar used for this study emitted short sinusoidal pulses of about 10-ns duration with an approximate center frequency of 150 MHz. Most of the ice wedges existed at depths of about 1 m in a variety of silty and sandy soils with both frozen and thawed active layers. The position of the wedges was usually identified from corresponding surface features. An artificial ice wedge in coarse-grained alluvium was also profiled as well as wedge-like structures of fine silt in a coarse-grained glacial outwash. All wedges and wedge-like structures produced a hyperbolic reflection profile except when an active layer of thawed, saturated silt was present which eliminated returns from the wedges. The peaks of the hyper-bolas were sometimes masked by reflections from the permafrost table or other material interfaces, and multiple hyperbolas occurred at some sites. The dielectric constant of the host medium was often calculated from the linear portions of the hyperbolas and the results were verified by laboratory time domain reflectometry measurements per-formed on field samples. In some cases, hyperbolic profiles originated at several meters depth suggesting that deep ice wedges could be detected in areas of cold permafrost.
    Type of Medium: Series available for loan
    Pages: iv, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 82-43
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a124571.pdf
    URL: https://hdl.handle.net/11681/9324
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Objectives and procedures Equipment used Radar TDR Definitions Massive ice Results Artificial wedge: Norwich, Vermont Ice wedges in sand: Fish Creek, Alaska Ice wedges: Prudhoe Bay, Alaska Ice wedges under thawed fine-grained soils: North Slope, Alaska Wedge-like soil structures: Ft. Greely, Alaska TDR measurements Summary and concluding remarks Literature cited Appendix A: Brief discussion of dispersion
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  • 32
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    Political regulation, governance, and societal transformations (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK E 711-18-91881
    Type of Medium: Monograph available for loan
    Pages: vi Seiten, Seiten 367-604 , Diagramme
    ISBN: 9781108436335 , 9781108423137
    Series Statement: Rethinking society for the 21st century : report of the International Panel on Social Progress Volume 2
    Language: English
    Note: Contents: Introduction to Volume 2 ; 9. The paradoxes of democracy and the rule of law ; 10. Violence, wars, peace, security ; 11. International organizations and the technologies of governance ; 12. Governing capital, labor and nature in a changing world ; 13. Media and communications ; 14. Challenges of inequality to democracy
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  • 33
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    Transformations in values, norms, cultures (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK E 711-18-91882
    Type of Medium: Monograph available for loan
    Pages: vi Seiten, Seiten 605-896 , Diagramme
    ISBN: 9781108436342 , 9781108423144
    Series Statement: Rethinking society for the 21st century : report of the International Panel on Social Progress Volume 3
    Language: English
    Note: Contents: Introduction to Volume 3 ; 15. Social progress and cultural change ; 16. Religions and social progress: critical assessments and creative partnerships ; 17. Pluralization of families ; 18. Global health and the changing contours of human life ; 19. The contribution of education to social progress ; 20. Belonging ; 21. The Multiple directions of social progress: ways forward ; 22. The contribution of the social sciences to policy and institutional change
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    A manifesto for social progress : ideas for a better society (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK D 029-18-91896
    Description / Table of Contents: At this time when many have lost hope amidst conflicts, terrorism, environmental destruction, economic inequality and the breakdown of democracy, this beautifully written book outlines how to rethink and reform our key institutions - markets, corporations, welfare policies, democratic processes and transnational governance - to create better societies based on core principles of human dignity, sustainability, and justice. This new vision is based on the findings of over 300 social scientists involved in the collaborative, interdisciplinary International Panel on Social Progress. Relying on state-of-the-art scholarship, these social scientists reviewed the desirability and possibility of all relevant forms of long-term social change, explored current challenges, and synthesized their knowledge on the principles, possibilities, and methods for improving the main institutions of modern societies. Their common finding is that a better society is indeed possible, its contours can be broadly described, and all we need is to gather forces toward realizing this vision
    Type of Medium: Monograph available for loan
    Pages: XIII, 235 Seiten , Diagramme
    ISBN: 9781108424783 (print) , 9781108440929
    Language: English
    Note: Contents: Introduction: The Future is in Our Hands ; PART I SOURCES OF WORRY, REASONS FOR HOPE ; 1 Global Successes and Looming Catastrophes ; 2 Globalization and Technology: Choices and Contingencies ; 3 The Expanding Circle of Respect and Dignity ; 4 The Big Challenge ; PART II ACTING FOR SOCIAL PROGRESS ; 5 In Search of a New “Third Way” , 6 Reforming Capitalism , 7 From the Welfare State to the Emancipating State , 8 From Polaritics to Politics , Conclusion: Mobilizing Change- Makers
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  • 35
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    Ice force measurements on a bridge pier in the Ottauquechee River, Vermont (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/32
    In: CRREL Report, 83-32
    Description / Table of Contents: Ice forces on a bridge pier in the Ottauquechee River, in Quechee, Vermont, were measured by installing fourpanels-each capable of measuring forces in the normal and tangential direction - on both sides of a vertical V-shaped pier nose. The measured forces are presented for a short period during an ice run. After the ice run, the thickness and sizes of the ice floes were measured and the compressive strength of the ice was determined in the laboratory from the ice samples collected along the river banks. The water level measurements made at several locations along theriver are also presented for the period of the ice run.
    Type of Medium: Series available for loan
    Pages: ii, 8 Seiten , Illustrationen
    Series Statement: CRREL Report 83-32
    URL: https://apps.dtic.mil/docs/citations/ADA139425
    URL: https://hdl.handle.net/11681/9291
    Language: English
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  • 36
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    Thermodynamic model of creep at constant stresses and constant strain rates (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/33
    In: CRREL Report, 83-33
    Description / Table of Contents: A thermodynamic model has been developed that for the first time describes the entire creep process, including primary, secondary, and tertiary creep, and failure for both constant stress (CSR) tests (σ= const.) and constant strain rate (CSR) tests (ϵ = const.), in the form of a unified constitutive equation and unified failure criteria. Deformation and failure areconsidered as a single thermoactivated process in which the dominant role belongs to the change of entropy. Failure occurs when the entropy change is zero. At that moment the strain rates in CS tests reach the minima and stress in CSR tests reaches the maximum (peak) values. Families of creep (ϵ vs τ) and stress-strain (σ vs ϵ) curves, obtained from uni-axial compression CS and CSR tests of frozen soil, respectively (both presented in dimensionless coordinates), are plotted as straight lines and are superposed, confirming the unity of the deformation and failure process and the validity of the model. A method is developed for determining the parameters of the model, so that creep deformation and the stress-strain relationship of ductile materials such as soils can be predicted based upon information obtained from either type of test.
    Type of Medium: Series available for loan
    Pages: v, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 83-33
    URL: https://apps.dtic.mil/docs/citations/ADA139883
    URL: https://hdl.handle.net/11681/9285
    Language: English
    Note: CONTENTS Abstract Nomenclature Introduction Principal relationships Constitutive equation Failure criteria Secondary creep: Flow equations Creep at constant stress (σ = Const.) Creep model Creep strain (σ = Const.) Creep at constant strain rate (ϵ = Const.) Stress-strain relationship Stress/strain/strain rate at failure Test data Preliminary analysis Constant stress tests (σ = Const.) Constant strain rate tests (ϵ = Const.) The principle of superposition Thermodynamic equation of creep Conclusions Literature cited
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  • 37
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    Electromagnetic properties of sea ice (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/2
    In: CRREL Report, 84-2
    Description / Table of Contents: Investigations of the in situ complex dielectric constant of sea ice were made using time-domain spectroscopy. It was found that (1) for sea ice with a preferred horizontal crystal c-axis alignment, the anisotropy of polarizing properties of the ice increased with depth, (2) brine inclusion conductivity increased with decreasing temperature down to about -8 C, at which point the conductivity decreased with decreasing temperature, (3) the DC conductivity of sea ice increased with increasing brine volume, (4) the real part of the complex dielectric constant is strongly dependent upon brine volume but less dependent upon the brine inclusion orientation, (5) the imaginary part of the complex dielectric constant was strongly dependent upon brine inclusion orientation but much less dependent upon brine volume. Because the electromagnetic (EM) properties of sea ice are dependent upon the physical state of the ice, which is continually changing, it appears that only trends in the relationships between the EM properties of natural sea ice and its brine volume and brine inclusion microstructure can be established.
    Type of Medium: Series available for loan
    Pages: vi, 38 Seiten , Illustrationen , 1 Beilage
    Series Statement: CRREL Report 84-2
    URL: https://apps.dtic.mil/docs/citations/ADA140330
    URL: https://hdl.handle.net/11681/9287
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Dielectric properties of sea ice Time-domain spectroscopy measurement Laboratory measurements Field measurements Analysis of ladder data Conductivity of brine and sea ice Complex dielectric constant of brine and sea ice Discussion and conclusions Literature cited
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  • 38
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    Model tests on two models of WTGB 140-foot icebreaker (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/3
    In: CRREL Report, 84-3
    Description / Table of Contents: The results of resistance tests in level ice and broken ice channels are presented for two models of the WTGB 140-fticebreaker at scales of 1:10 and 1:24, respectively. No scale effect on the resistance in level ice could be detected between the two models. From the test results an empirical predictor equation for the full scale ice resistance is derived. Predicted resistance is compared against, and found to be 25 to 40% larger than, available full-scale values estimated from thrust measurements during full-scale trials of the Great Lakes icebreaker Katmai Bay.
    Type of Medium: Series available for loan
    Pages: v, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 84-3
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a139882.pdf
    URL: https://hdl.handle.net/11681/9288
    Language: English
    Note: COTENTS Abstract Preface Nomenclature Introduction Model characteristics and test conditions Ice-hull coefficient of friction Measurements of ice properties Experimental procedures Data acquisition system Test program and procedures for 1:10 model Test program and procedures for 1:24 model Analysis of test results Comparison of test results between 1:10 and 1:24 models Analysis of tests in broken or brash-filled ice channels Analysis of tests in level ice Full-scale prediction of level ice resistance Conclusions Literature cited
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  • 39
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    The effectiveness and influences of the navigation ice booms on the St. Marys River (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/4
    In: CRREL Report, 84-4
    Description / Table of Contents: Ice problems developed in the Sault Ste. Marie, Michigan, portion of the St. Marys River because of winter navigation. Passing ships and natural influences moved ice from Soo Harbor into Little Rapids Cut in sufficient quantities to jam, cause high water in the harbor, and prevent further ship passage. After physical model and engineering studies, two ice booms with a total span of 1375 ft (419 m) with a 250-ft (76-m) navigation opening between were installed at the head of Little Rapids Cut in 1975. A modest field study program on the booms was conducted for the ensuring four winters to determine ice and boom interaction and the effects of ship passages on the system. Forces on some anchors were recorded and supplemental data were taken by local personnel. Several reports have been written about the booms' early operations. This paper presents four-year summary of the main effects of the booms on ice and ship interaction and vice versa. Throughout the four winter seasons, the small quantities of ice lost over and between the booms were manageable. Ships usually passed through the boom without influencing the boom force levels, but at time they brought about large changes. One boom needed strengthening, and artificial islands were added for upstream ice stability. Coast Guard icebreakers were also a necessary part of winter navigation in this area.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 84-4
    URL: https://apps.dtic.mil/docs/citations/ADA139908
    URL: https://hdl.handle.net/11681/9281
    Language: English
    Note: CONTENTS Abstract Preface Introduction St. Marys River Ice problems Remedial measures Field studies Highlights, trends, and major findings Modifications to boom Maximum forces Ship traffic Characteristics Effect of boom forces Effect on ice Conclusion Literature cited Appendix A: Ice boom forces
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  • 40
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    Morphology and ecology of diatoms in the sea ice from the Weddell Sea (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/5
    In: CRREL Report, 84-5
    Description / Table of Contents: Diatom species composition and relative abundances were determined for ice cores obtained from Weddell Sea pack ice during the October-November 1981 Weddell Polynya Expedition (WEPOLEX). Ice thickness and salinity indicate that the ice was less than one year old. The predominant ice type (70%) was frazil, which has the capacity to mechanically incorporate biological material through nucleation and scavenging. Diatoms were found throughout the length of the cores. Species showed down-core fluctuations in abundance that appeared to be correlated with changes in ice type. Pennate forms were more abundant than centrics, the average ratio being 16:1. Diatom frustules with intact organic material were more abundant (5 billion cells/liter). Differences in species abundances are attributed initially to incorporation of algal cells from a temporally changing water column and subsequently to diatom reproduction within the ice. Scanning electron micrographs illustrating the morphologic characteristics of the predominant species are included.
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    Pages: iv, 46 Seiten , Illustrationen
    Series Statement: CRREL Report 84-5
    URL: https://apps.dtic.mil/docs/citations/ADA141994
    URL: https://hdl.handle.net/11681/9282
    Language: English
    Note: Contents Abstract Preface Introduction Materials and methods Results Discussion Conclusions Literature cited Appendix A: Taxonomic terms Appendix B: Differences in species composition and abundance in duplicate samples examined under optical and inverted light microscopes Appendix C: Morphologic descriptions and SEM micrographs
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  • 41
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    Aerosol growth in a cold environment (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/6
    In: CRREL Report, 84-6
    Description / Table of Contents: An expression relating aerosol growth to cold environmental conditions was developed. This was accomplished by solving the diffusion equation with the method of Laplace transformation. The series solution was expressed in terms of the dimensionless parameters K (ratio of vapor density over droplet surface to droplet density), ω (ratio of environmental vapor density at time zero to vapor density over droplet surface), and dimensionless time τ (ratio of product of diffusion coefficient D and time t to square of initial radius of condensation nucleus). To take into account the variation of the vapor density over the surface of an acidic condensation nucleus due to the continuous dilution of the droplet, the solution was obtained by assuming various levels of constant vapor concentration. The final expression [R/R sub o - 1 = 2.4917 x 10 to the minus 18th power) exp(0.0737 θ) (P sub RHS/25) x (100-P sub RHS) τ to the 0.9890 powder] can be used to compute the value of R once the values of initial radius R sub o, relative humidity P sub RH, percent of relative humidity at the droplet surface P sub RHS, and environmental temperature θ are given.
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    Pages: vi, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 84-6
    URL: https://apps.dtic.mil/docs/citations/ADA139907
    URL: https://hdl.handle.net/11681/9283
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature General background The problem Method of solution Results and discussion Conclusions Literature cited Appendix: Evaluation of rn's in equation 25
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    Social network analysis : methods and applications (2009)
    Cambridge : Cambridge University Press
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    Call number: IASS 19.93176
    Type of Medium: Monograph available for loan
    Pages: XXXI, 825 Seiten , graphische Darstellungen
    ISBN: 9780521387071 , 9780521382694
    Series Statement: Structural analysis in the social sciences 8
    Language: English
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  • 43
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    Chemical fractionation of brine in the McMurdo Ice Shelf, Antarctica (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/6
    In: CRREL Report, 83-6
    Description / Table of Contents: During the austral summers of 1976-77 and 1978-79, several ice cores were taken from the McMurdo Ice Shelf brine zone to investigate its thermal, physical and chemical properties. This brine zone consists of a series of super-imposed brine layers (waves) that originate at the seaward edge of the ice shelf and migrate at various rates, depending upon their age and position in the ice shelf. The brine in these layers becomes increasingly concentrated as the waves migrate inland through the permeable ice shelf firn. Chemical analyses of brine samples from the youngest (uppermost) brine wave show that it contains sea salts in normal seawater proportions. Further inland, deeper and older brine layers, though highly saline (S 〉 200 ‰), are severely depleted in SO2-4 with the SO2-4/Na+ ratio being an order of magnitude less than that of normal seawater. Analyses of Na+, K+, Ca2+, Mg2+, SO2-4 and CI-, together with solubility and temperature considerations, show that the sulfate depletion is due to selective precipitation of mirabilite, Na2SO4*10H2O. The location of the inland boundary of brine penetration is closely related to the depth at which the brine en-counters the firn/ice transition. However, a small but measurable migration of brine is still occurring in otherwise impermeable ice; this is attributed to eutectic dissolution of the ice by concentrated brine as it moves into deeper and warmer parts of the McMurdo Ice Shelf.
    Type of Medium: Series available for loan
    Pages: iii, 16 Seiten , Illustrationen
    Series Statement: CRREL Report 83-6
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a127821.pdf
    URL: https://hdl.handle.net/11681/9312
    Language: English
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  • 44
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    Analysis of a diffusion wave flow routing model with application to flow in tailwaters (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/7
    In: CRREL Report, 83-7
    Description / Table of Contents: Peak power generation with hydropower creates tailwater flow conditions characterized by high and low flows with abrupt transitions between these states. Flows occurring in tailwaters typically form sharp-fronted, large-amplitude waves of relatively short period. An understanding of the mechanics of downstream propagation of these waves is important both for direct application in studies of the tailwater and because of the similarity of these waves to those following a dam break. An analysis of the dynamic equations of open channel flow is used to quantify the relative importance of flow wave convection, diffusion and dispersion in rivers. The relative importance of each process is re­lated to the relative magnitude of terms in the dynamic equations, providing a physical basis for model formulation. A one-dimensional diffusion wave flow routing model, modified for tailwaters, simulates the important physical pro­cesses affecting the flow and is straightforward to apply. The model is based upon a numerical solution of the kine­matic wave equation. The “modified equation,” Hirt, and von Neumann analyses are used to gain insight into the stability and dissipative and dispersive behavior of the numerical solution, and results of these analyses are compared. A set of linear routings is used to demonstrate the dissipative and dispersive behavior predicted by the analyses and to verify the accuracy of an expression that quantifies the numerical diffusion of the model. The analyses provide a basis for selection of numerical parameters for model applications. The capability and accuracy of the model are enhanced when physical wave diffusion is balanced by numerical diffusion in the model. Maintaining the diffusion balance re­quires that the time derivative weighting parameter 0 be variable and in some instances negative. Though some amount of phase error is introduced, negative 0 values have no adverse effect upon model stability. Field studies were con­ducted to demonstrate the benefits of careful model development and analysis, and to verify the diffusion wave model for rapidly varying tailwater flow. The bed slope and roughness characteristics of the field study reaches (below Apalachia and Norris Dams) differ greatly, spanning those of a large number of rivers of practical interest. The accurate simulation of flow in both of these tailwaters attests to the soundness of both the physical basis of the model and the numerical solution technique. The field studies confirm, for the extreme case of rapidly varying flow in a mildly sloped river, that inertia has a negligible effect upon unsteady flow waves at low Froude numbers. Additionally, these studies verify that diffusion of short-period waves in rivers is generally significant.
    Type of Medium: Series available for loan
    Pages: vi, 41 Seiten , Illustrationen
    Series Statement: CRREL Report 83-7
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/7006/rec/1
    URL: https://hdl.handle.net/11681/9313
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Physical diffusion and dispersion in open channel flow Modeling approach Description of the diffusion wave flow routing model Analysis of the numerical model Modified equation and Hirt analyses of diffusion wave model von Neumann analysis of the diffusion wave model Linear case studies Accuracy considerations of the numerical solution Field studies Apalachia Dam tailwater Norris Dam tailwater Conclusions Literature cited
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  • 45
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    Computer modeling of time-dependent rime icing in the atmosphere (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/2
    In: CRREL Report, 83-2
    Description / Table of Contents: A numerical model of rime ice accretion on an arbitrary two-dimensional airfoil is presented. The physics of the model are described and results are presented that demonstrate, by comparison with other theoretical data and experimental data, that the model predictions are believable. Results are also presented that illustrate the capability of the model to handle time-dependent rime ice accretion, taking into account the feedback between the ice accretion and the airflow and droplet trajectory fields.
    Type of Medium: Series available for loan
    Pages: vi, 81 Seiten , Illustrationen
    Series Statement: CRREL Report 83-2
    URL: https://apps.dtic.mil/docs/citations/ADA126404
    URL: https://hdl.handle.net/11681/9309
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Methodology Potential flow around an arbitrary airfoil Incompressible velocity field Droplet trajectory equation Computational procedure for trajectories Determining the point of impact Calculation of collision efficiencies Accreting an ice layer Determining the accuracy of the flow field Determining the accuracy of the trajectories Results and discussion Comparing results with and without the history term Collision efficiency of NACA 0015 airfoil at 8° attack angle Time-dependent accretion on NACA 0015 airfoil at 8° attack angle Time-dependent accretion on NACA 0015 airfoil at 0° attack angle Conclusions and recommendations Literature cited Appendix A : Sample input Appendix B: Sample output Appendix C : Program listing
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  • 46
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    Ice growth on Post Pond, 1973-1982 (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/4
    In: CRREL Report, 83-4
    Description / Table of Contents: Measurements and analysis of seasonal ice growth and decay on Post Pond, New Hampshire, for the period 1973-1982 are presented. Observations included ice thickness measurements, examination of the various ice types contributing to the ice cover, and measurements of meteorological parameters for correlation with and modeling of the ice growth process. The overall nature of ice growth and decay (ice loss) on the Post Pond has been ascertained, the seasonal variability in the timing of freeze-up and ice-out and the duration of the ice cover have been determined, and the relationship of ice growth to freezing-degree-day (deg C) records evaluated on the basis of a Stefan conduction equation modified to deal with ice sheets covered with or free of snow. Ice growth occurs predominantly by the direct freezing of lake water, but snow ice may compose as much as 50% of the ice cover in winters with higher than average snowfall. Freeze-up leading to the establishment of a stable ice cover occurs during the 4-week period from the end of November to the end of December. Maximum seasonal ice thicknesses were from 45 to 67 cm and are generally attained during the first two weeks of March; ice-out, marking the final disappearance of ice from Post Pond, usually occurs by the third week of April. The overall rate of the ice loss is three to four times that of ice growth, and is dominated initially by melting from the top. As much as 50% of the ice may be lost in this way before the onset of any bottom melting. Final dissipation of the ice cover is usually expedited by candling resulting from preferential melting and disintegration of the ice at crystal boundaries.
    Type of Medium: Series available for loan
    Pages: iv, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 83-4
    URL: https://apps.dtic.mil/docs/citations/ADA126334
    URL: https://hdl.handle.net/11681/9277
    Language: English
    Note: CONTENTS Abstract Preface Introduction Location of study Study methods Ice thickness Ice-cover composition Surface air temperatures Freeze-up and ice-out characteristics Results and discussion Ice-growth record Freezing-degree-day records Ice-growth predictions Summary and conclusions Literature cited Appendix A: Ice-growth records Appendix B: Measured and computed ice-growth curves
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    Anthropocene encounters : new directions in green political thinking (2019)
    Cambridge : Cambridge University Press
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    Call number: IASS 19.92404
    Type of Medium: Monograph available for loan
    Pages: xiv, 246 Seiten , Illustrationen
    ISBN: 1108740413 , 9781108740418
    Series Statement: Earth system governance series
    Language: English
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  • 48
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    Series available for loan
    Wastewater applications in forest ecosystems (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/19
    In: CRREL Report, 82-19
    Description / Table of Contents: Under proper design and management, a forest ecosystem in the central United States should renovate municipal wastewater as long or longer than conventional agricultural systems, especially when design limitations are hydraulic loading rate, heavy metals, P and N. Forest systems require smaller buffer zones than agricultural systems and lower sprinkler pressures. Immature forests are better wastewater renovators than mature forests.
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 82-19
    URL: https://hdl.handle.net/11681/9364
    Language: English
    Note: CONTENTS Abstract Preface Introduction Forest systems design Pretreatment Distribution systems Public health considerations Buffer zone requirements Toxic effects Public access Hydraulic loading Nutrient uptake and loading Introduction Nitrogen Phosphorus Trace metals Design considerations Hydraulic loading rates Nitrogen loading rates Forest management options Reforestation Existing forest ecosystems Short term rotation plantations Potential long term effects on forest ecosystems Longevity of forest systems Consequences of overloading Soil chemical, physical and hydrologic properties Productivity Summary Literature cited
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  • 49
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    Application of a numerical sea ice model to the East Greenland area (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/16
    In: CRREL Report, 82-16
    Description / Table of Contents: Abstract: A dynamic-thermodynamic sea ice model which employs a viscous-plastic constitutive law has been applied to the East Greenland area. The model is run on a 40-km spatial scale at 1/4-day time steps for a 60-day period with forcing data beginning on 1 October 1979. Results tend to verify that the model predicts reasonable thicknesses and velocities within the ice margin. Thermodynamic ice growth produces excessive ice extent, however, probably due to inadequate parameterization of oceanic heat flux. Ice velocities near the free ice edge are also not well simulated, and preliminary investigations attribute this to an improper wind field in this area. A simulation which neglects ice strength, effectively damping ice interaction with itself and allowing no resistance to deformation, produces excessive ice drift toward the coast and results in unrealistic nearshore thicknesses. A dynamics-only simulation produced reasonable results, including a more realistic ice extent, but the need for proper thermodynamics is also apparent. Other simulations verify that ice import from the Arctic Basin, and ice transport due to winds and currents, were also important components in the model studies.
    Type of Medium: Series available for loan
    Pages: v, 40 Seiten , Illustrationen , 29 cm
    Series Statement: CRREL Report 82-16
    URL: https://hdl.handle.net/11681/9356
    Language: English
    Note: CONTENTS Abstract Preface Introduction Model description and application Results and discussion Wind and current fields Standard simulation Thermodynamic simulation Zero ice strength Zero ice import Zero currents Modified currents Zero winds Dynamics simulation Summary and concluding remarks Literature cite
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  • 50
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    Optimizing deicing chemical application rates (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/18
    In: CRREL Report, 82-18
    Description / Table of Contents: Snow and ice control on highways has come to rely heavily on the use of sodium chloride to maintain a trafficable surface for unimpeded movement. Empirical approaches have led to a wide range of application rates, some clearly excessive, but justified on the ground of safety and expediency. The combination of environmental degradation from the huge quantities of salt entering the environment, along with the increased cost of salt itself and the cost of its application have spurred the search for more precise knowledge of the proper amount of salt to apply to a pavement, considering a range of environmental, traffic and chemical parameters. Since controlled tests in the field are extremely difficult to make, a circular test track of three test pavements, dense-graded asphaltic concrete (DGA), open-graded asphaltic concrete (DGA) and portland cement concrete (PCC), was constructed in a coldroom. Natural snow and ice were applied to the pavements and an instrumented slipping wheel was driven over the surfaces to generate frictional forces. These forces were measured and then used to evaluate the response to salt application with time for three test temperatures. OGA had the lowest friction values at a temperature near the freezing point, but higher initial values or more rapidly increasing values than DGA and PCC following salt application at the two lower temperatures. Optimum application rate of salt on PCC and DGA lies between 100 and 300 lb/lane mile (LM), and a higher rate resulted in slight or no improvement in friction. DGA showed anomalous results: lower friction for 300 Ib/LM and higher friction for both 100 and 500 Ib/LM.
    Type of Medium: Series available for loan
    Pages: vi, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 82-18
    URL: https://hdl.handle.net/11681/9363
    Language: English
    Note: CONTENTS Abstract Preface Introduction Objectives Background Approach Influencing factors Field factors Laboratory Laboratory trafficking tests Force measurement and coefficient of friction Test tire slip Surface friction gauge Test procedure British portable tester Experimental results Conclusions Recommendations Literature cited Appendix A. Test pavements Appendix B. Pennsylvania State University field study Appendix C. Rochester Institute of Technology field study
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  • 51
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    Relationship between the ice and unfrozen water phases in frozen soil as determined by pulsed nuclear magnetic resonance and physical desorption data (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/15
    In: CRREL Report, 82-15
    Description / Table of Contents: An experiment is described that demonstrates the balance between the ice and the unfrozen water in a frozen soil as water is removed. Nuclear magnetic resonance (NMR) is used to monitor the unfrozen water content as the soil is dehydrated by a molecular sieve material. Our results show that the unfrozen water content of a Morin clay soil remains constant until the total water content has been reduced to the point where no ice remains in the system. Once the ice is depleted, the unfrozen water content determined by NMR corresponds to the total water content of the soil determined by the weight of water removed by the molecular sieve material. Thus the validity of utilizing NMR in determining unfrozen water contents vs temperature is established.
    Type of Medium: Series available for loan
    Pages: 8 Seiten , Illustrationen
    Series Statement: CRREL Report 82-15
    URL: https://hdl.handle.net/11681/9357
    Language: English
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  • 52
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    Comparative analysis of the USSR construction codes and the US Army technical manual for design of foundations on permafrost (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/14
    In: CRREL Report, 82-14
    Description / Table of Contents: A comparative study was made of design criteria and analytical methods for footings and pile foundations on perma­frost employed in U.S.S.R. Design Code SNiP II-18-76 (1977) and U.S. Army Cold Regions Research and Engineering Laboratory Special Report 80-34 developed in the early 1970's by the U.S. Army Corps of Engineers and published in 1980. The absence of adequate constitutive equations for frozen soils and of rigorous solutions of the boundary prob­lems has made it necessary to incorporate (explicitly or implicitly) various safety factors in the foundation analyses. From the review it is concluded that the principal difference between these practices is in the assessment and application of appropriate values of safety factors, which leads to a substantial discrepancy in the dimensions and cost of footings and pile foundations in permafrost.
    Type of Medium: Series available for loan
    Pages: iv, 20 Seiten , Illustrationen
    Series Statement: CRREL Report 82-14
    URL: https://hdl.handle.net/11681/9358
    Language: English
    Note: CONTENTS Abstract Preface Introduction U.S.S.R. system of standards U.S.S.R. Design Code SNiP 11-18-76 (1977) subsoils and foundations on permafrost General regulations Classification of soils Basic regulations for foundation design Analysis of subsoils and foundations Design of foundations for special soil conditions, and appendices SR 80-34 (1980) design and construction of foundations in areas of deep seasonal frost and permafrost General information Foundation design Conclusions Literature cited
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  • 53
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    Numerical solutions for a rigid-ice model of secondary frost heave (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/13
    In: CRREL Report, 82-13
    Description / Table of Contents: Frost heave is analyzed for the common case in which some ice penetrates the soil. In this situation, heave is due to the accumulation of soil-free ice just within the frozen zone, behind a frozen fringe of finite thickness. Heat and mass transport within and across that fringe are crucial processes in the dynamics of heave. This analysis concentrates on activity within the fringe, also connecting that activity to heat and mass flows in the more frozen and unfrozen zones. Each component in a set of governing differential equations is developed from rational physics and thermodynamics, using previous experimental work. It is assumed that the soil ice grows through interconnected interstices; hence it constitutes and can move as a rigid body. When the assumption is translated into mathematical terms, it completes the governing equations. The model resulting from these considerations is a one-dimensional finite element computer program that solves the equations for arbitrary initial and boundary conditions. The model is used to simulate the heave history of a hypothetical soil column frozen unidirectionally and subjected to a surcharge. The results are gratifying in that they predict qualitatively the characteristics of numerous laboratory observations. Some questions about the completeness of the theory remain, and strict verification of the model awaits further experimentation and better parameter identification.
    Type of Medium: Series available for loan
    Pages: iii, 11 Seiten , Illustrationen
    Series Statement: CRREL Report 82-13
    URL: https://hdl.handle.net/11681/9344
    Language: English
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  • 54
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    Series available for loan
    Charged dislocation in ice; II. Contribution of dielectric relaxation (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/7
    In: CRREL Report, 82-7
    In: Charged dislocation in ice, II.
    Description / Table of Contents: The contribution of electrically charged dislocation motion to dielectric relaxation was studied theoretically. Experimentally obtained data on charge density, dislocation density, and segment length and distribution described in Part I of this series were used to calculate dielectric relaxation spectra. The results indicate that the charged dislocation process can produce the observed audio frequency dielectric relaxation as well as the distribution of spectra.
    Type of Medium: Series available for loan
    Pages: iii, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 82-7
    URL: https://hdl.handle.net/11681/9454
    Language: English
    Note: CONTENTS Abstract Preface Introduction Theoretical development of dielectric relaxation due to charged dislocations Numerical calculations for distributed segment length Discussion Conclusions Literature cited Appendix A. Mosotti type catastrophe by charged dislocation processes
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  • 55
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    Ice sheet retention structures (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/30
    In: CRREL Report, 83-30
    Description / Table of Contents: Ice sheets are formed and retained in several ways in nature, and an understanding of these factors is needed before most structures can be successfully applied. Many ice sheet retention structures float and are somewhat flexible; others are fixed and rigid or semirigid. An example of the former is the Lake Erie ice boom and of the latter, the Montreal ice control structure. Ice sheet retention technology is changing. The use of timber cribs is gradually but not totally giving way to sheet steel pilings and concrete cells. New structures and applications are being tried but with caution. Ice-hydraulic analyses are helpful in predicting the effects of structures and channel modifications on ice cover formation and retention. Often, varying the flow rate in a particular system at the proper time will make the difference between whether a structure will or will not retain ice. The structure, however, invariably adds reliability to the sheet ice retention process.
    Type of Medium: Series available for loan
    Pages: iv, 39 Seiten , Illustrationen , 1 Beilage
    Series Statement: CRREL Report 83-30
    URL: https://apps.dtic.mil/docs/citations/ADA138030
    URL: https://hdl.handle.net/11681/9289
    Language: English
    Note: Contents Abstract Preface Introduction Natural ice sheets Choosing an ice control structure Flexible structures Ice booms Frazil collector lines Fence booms Rigid or semirigid structures Pier-mounted booms Stone groins Artificial islands Removable gravity structures Timber cribs Weirs Pilings and dolphins Structures built for other purposes Hydroelectric dams Wicket dams Light piers and towers Bridge piers Breakwaters Ice control not using Structures Channel improvements Ice sheet tying Ice sheet bridges Conclusions Literature cited Appendix A: Ice control structure
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  • 56
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    Morphology and distribution of the Acanthoecidae (Choanoflagellata) from the Weddell Sea during the austral summer, 1977 (1980)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-80/16
    In: CRREL Report, 80-16
    Description / Table of Contents: Eight species of loricate choanoflagellates (Acanthoccidae), Acanthoecopsis spiculifera, Bicosta spinifera, Bicosta antennigera, Callicantha simplex, Calliacantha multispina aff., Crinolina aperta, Diaphanoeca multionnulata, and Parvicorbicula socialis, were observed in samples obtained from the Weddell Sea during the austral summer, 1977. D. multiannulata was described for the first time from these samples; the other organisms have either been described previously or are being described at this time. The distribution of most species within the Weddell Sea was widespread. The distributional, environmental, and morphological range of A. spiculifera, B. spinifera, C. aperta, and P. socialis was expanded. Habitats in which choanoflagellates were found included the water column, the edges of ice floes, ponds on ice floes, and the interiors of ice floes. The presence of choanoflagellates within the ice indicates that there may be a closely coupled trophic relationship with the other two biological components of the ice community, the ice algae and the bacteria. The presence in the ice of seven species with both a caudal appendage and anterior projections suggests a positive relationship between this lorica configuration and the ice habitat. Mechanisms of variance of transverse costal diameters between genera may be useful to the taxonomy and phylogeny of this family.
    Type of Medium: Series available for loan
    Pages: vi, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 80-16
    URL: https://apps.dtic.mil/sti/citations/ADA090680
    Language: English
    Note: CONTENTS Introduction Literature review Objectives Materials and methods Results Observations Distribution and environmental tolerances Discussion Morphology Distribution Habitat Summary Conclusions Recommendations for future work Literature cited Appendix A Type descriptions of Acanthoecidae collected from the Weddell Sea
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  • 57
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    Earthquake time bombs (2015)
    Cambridge : Cambridge University Press
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    Call number: M 16.89854
    Description / Table of Contents: In a media interview in January 2010, scientist Robert Yeats sounded the alarm on Port-au-Prince, Haiti, as an 'earthquake time bomb', a region at critical risk of major seismic activity. One week later, a catastrophic earthquake struck the city, leaving over 100,000 dead and triggering a humanitarian crisis. In this timely study, Yeats sheds new light on other earthquake hotspots around the world and the communities at risk. He examines these seismic threats in the context of recent cultural history, including economic development, national politics and international conflicts. Descriptions of emerging seismic resilience plans from some cities provide a more hopeful picture. Essential reading for policy-makers, infrastructure and emergency planners, scientists, students and anyone living in the shadow of an earthquake, this book raises the alarm so that we can protect our vulnerable cities before it's too late. Draws comparisons between the capacity of first-world and developing-world countries to prepare for a major earthquake. Combines science with history to present a detailed, informative, and timely study of the world's earthquake time bombs. Explores how the combination of mass migration to megacities coupled with poor building standards is putting ever more people at risk
    Type of Medium: Monograph available for loan
    Pages: XV, 346 pages
    ISBN: 9781107085244 (hardback)
    Language: English
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    Earth history and palaeogeography (2017)
    Cambridge : Cambridge University Press
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    Call number: 4/M 17.90412
    Description / Table of Contents: Using full-colour palaeogeographical maps from the Cambrian to the present, this interdisciplinary volume explains how plate motions and surface volcanism are linked to processes in the Earth's mantle, and to climate change and the evolution of the Earth's biota. These new and very detailed maps provide a complete and integrated Phanerozoic story of palaeogeography. They illustrate the development of all the major mountain-building orogenies. Old lands, seas, ice caps, volcanic regions, reefs, and coal beds are highlighted on the maps, as well as faunal and floral provinces. Many other original diagrams show sections from the Earth's core, through the mantle, and up to the lithosphere, and how Large Igneous Provinces are generated, helping to understand how plates have appeared, moved, and vanished through time. Supplementary resources are available online, making this an invaluable reference for researchers, graduate students, professional geoscientists and anyone interested in the geological history of the Earth.
    Type of Medium: Monograph available for loan
    Pages: 317 Seiten : , Illustrationen, Karten, Diagramme
    ISBN: 9781107105324
    Classification:
    Historical Geology
    Language: English
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    The structure and dynamics of cities : urban data analysis and theoretical modeling (2016)
    Cambridge : Cambridge University Press
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    Call number: PIK B 010-17-90658
    Description / Table of Contents: "With over half of the world's population now living in urban areas, the ability to model and understand the structure and dynamics of cities is becoming increasingly valuable. Combining new data with tools and concepts from statistical physics and urban economics, this book presents a modern and interdisciplinary perspective on cities and urban systems. Both empirical observations and theoretical approaches are critically reviewed, with particular emphasis placed on derivations of classical models and results, along with analysis of their limits and validity. Key aspects of cities are thoroughly analyzed, including mobility patterns, the impact of multimodality, the coupling between different transportation modes, the evolution of infrastructure networks, spatial and social organisation, and interactions between cities. Drawing upon knowledge and methods from areas of mathematics, physics, economics and geography, the resulting quantitative description of cities will be of interest to all those studying and researching how to model these complex systems"--
    Type of Medium: Monograph available for loan
    Pages: xviii, 262 Seiten , Illustrationen, Diagramme
    ISBN: 9781107109179
    URL: http://www.gbv.de/dms/tib-ub-hannover/86309113x.pdf
    Language: English
    Note: Contents: Preface; Acknowledgements; 1. Urban systems; 2. Models and methods; 3. The spatial organization of cities; 4. Infrastructure networks; 5. Mobility patterns; 6. Multimodality in cities; 7. Socio-economical aspects; 8. Systems of cities; 9. Towards a new science of cities; References; Index
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    China as a polar great power (2017)
    Cambridge : Cambridge University Press
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    Call number: IASS 18.91436
    Type of Medium: Monograph available for loan
    Pages: xix, 273 Seiten , Diagramme
    Edition: First published
    ISBN: 9781316631256
    Language: English
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    Climate change litigation : regulatory pathways to cleaner energy (2015)
    Cambridge : Cambridge University Press
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    Call number: PIK C 132-17-90804
    Description / Table of Contents: "This examination of the role of litigation in addressing the problem of climate change focuses not only on how the massive and growing number of lawsuits influences regulation directly but also on how the lawsuits shape corporate behavior and public opinion. It provides readers with an understanding of how these lawsuits have shaped approaches to mitigation and adaptation and have been used to try to force and to block regulation. There is a particular emphasis on lawsuits in the United States and Australia, the two jurisdictions that have had the most climate change litigation in the world, and the lessons supply broader insights into the role of courts in addressing climate change"--
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    Pages: XV, 352 Seiten , Diagramme
    ISBN: 9781107036062 (hardback)
    Series Statement: Cambridge studies in international and comparative law 116
    URL: http://www.gbv.de/dms/bowker/toc/9781107036062.pdf
    Language: English
    Note: Contents: 1. Why climate change litigation matters; 2. Model for understanding litigation's regulatory impact; 3. Litigation as a mitigation tool; 4. Litigation as an adaptation tool; 5. Corporate responses to litigation; 6. Litigation's role in shaping social norms; 7. Barriers to progress; 8. The future of climate change litigation..
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    Global environmental politics : problems, policy, and practice (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK N 071-18-91411
    Type of Medium: Monograph available for loan
    Pages: xx, 347 Seiten , Diagramme, Karten
    ISBN: 9781107547537 , 9781107547537
    Language: English
    Note: Contents: 1. Global politics and the environment ; Part I. Why Do Environmental Problems Occur?: 2. The tragedy of the commons ; 3. Population and poverty ; 4. Capitalism ; Part II. Responding to Global Environmental Problems: 5. Conflict and securitisation - water ; 6. Multilateral diplomacy - sustainable development ; 7. Transnational governance experiments - climate change ; 8. Aid and finance - deforestation ; 9. Individualising responsibility - unsustainable consumption ; 10. Problem displacement - hazardous substances ; 11. Resistance and localisation - unsustainable agriculture ; 12. Appraising global environmental governance
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    Advances in tea agronomy (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK W 120-18-91653
    Description / Table of Contents: This book considers research findings that can inform the practice of managing tea crops
    Type of Medium: Monograph available for loan
    Pages: xiv, 454 Seiten , Illustrationen, Diagramme
    ISBN: 9781107095816 (print)
    Language: English
    Note: Contents: Foreword -- Preface: It All Depends -- Acknowledgements -- 1 Karibuni!: Welcome to You All -- 2 The World of Tea: A Geriatric Problem -- 3 A Changing Climate: Stay Cool! -- 4 Taxonomic Delight: Only Plant the Best! -- 5 The Well-Bred Tea Bush: Developing High-Yielding Clones -- 6 Planting and Replanting: Who Ever Said This Was Simple? -- 7 Understanding the Growth Processes: Creating a Framework -- 8 Roots Exposed: Life Underground -- 9 We Are Only Growing Leaves: Source or Sink? -- 10 Plucks Shoots, and Leaves: Looking After the Children -- 11 Machine-Assisted Harvesting: The Need of the Hour -- Plates -- 12 Hidden Hunger and Intelligent Guesswork: We Can Only Build on What Has Gone Before -- 13 Pores for Thought: Gaseous Exchange -- 14 More Pores for Thought: The Answer Lies in the Soil -- 15 Water Productivity: More Crop per Drop -- 16 A Shady Business: Teas Need Trees -- 17 A Nice Cup of Tea: Is It Made in the Field or in the Factory? -- 18 Fair Trade?: Smallholders Are Beautiful -- 19 The Agronomist's Report: A Synthesis -- 20 Support Services: How Sustainable Is Sustainability? -- Glossary
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    Beyond human rights : the legal status of the individual in international law (2016)
    Cambridge : Cambridge University Press
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    Call number: IASS 19.92048
    Description / Table of Contents: The starting point for this study is the observation that with increasing frequency, international legal norms directly address and engage individuals. For instance, individual rights under international law appear to arise from extradition treaties, treaties of friendship and establishment, double taxation agreements, transport treaties, intellectual property treaties, investment protection treaties, treaties on the legal status of foreigners, and the Vienna Convention on Consular Relations. On the side of duties, the criminal responsibility of individuals under international law has in recent decades been fleshed out by the work of the ad hoc criminal tribunals and the International Criminal Court".
    Type of Medium: Monograph available for loan
    Pages: xxxv, 602 Seiten
    Edition: first published in English 2016
    ISBN: 9781107164307 , 1316615936 , 9781316615935
    Series Statement: Cambridge studies in International and comparative law 126
    Uniform Title: Jenseits der Menschenrechte
    Language: English
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    European environmental law (2017)
    Cambridge : Cambridge University Press
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    Call number: IASS 19.92050
    Description / Table of Contents: "EU Environmental Law is a critical, comprehensive and engaging account of the essential and emerging issues in European environmental law and regulation today. Suitable for advanced undergraduate and postgraduate students, the book delivers a thematic and contextual treatment of the subject for those taking courses in environmental law, environmental studies, regulation and public policy, and government and international relations. Placing the key issues in context, EU Environmental Law takes an interdisciplinary and thematic approach to help students to better understand the implementation and enforcement of environmental law and policy across Europe. It offers an accessible overview, and links theory with practical applications that will allow students to contextualise the outcomes of legal rules and their impact on public and private behaviours. It provides a definitive account of the subject, examining traditional topics such as nature conservation law, waste law and water law, alongside increasingly important fields such as the law of climate change, environmental human rights law, and regulation of GMOs and nanotechnology"--
    Description / Table of Contents: "The aim of achieving a 'high level of environmental protection' was introduced into the Treaties by the Single European Act. Initially, it referred only to the Commission's internal market proposals concerning health, safety, environmental and consumer protection which took 'as a base a high level of protection'. As noted above, Article 191(2) TFEU now guarantees that the Union policy on the environment aims at a high level of protection taking into account the diversity of situations in the various regions of the Union. The aim is also embodied in Article 3(3) TEU, including within the general goals of the Union the achievement of a 'high level of protection and improvement of the quality of the environment'"--
    Type of Medium: Monograph available for loan
    Pages: xxxiv, 527 Seiten , Diagramme , 25 cm
    ISBN: 9781107640443 , 9781107014701
    URL: http://www.gbv.de/dms/spk/sbb/toc/88445987X.pdf
    Language: English
    Note: Machine generated contents note: 1. The foundations of EU environmental law: history, aims and context; 2. Actors and instruments; 3. Principles in EU environmental law; 4. Techniques of regulating the environment; 5. Environmental rights in Europe; 6. Public enforcement of EU environmental law; 7. Private enforcement of EU environmental law; 8. Climate change; 9. Air pollution and industrial emissions; 10. EU water law; 11. Impact assessment; 12. Nature and biodiversity protection; 13. Technological risk regulation: chemicals, genetically modified organisms and nanotechnology; 14. Waste
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  • 66
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    Monograph available for loan
    Principles of international environmental law (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK N 072-18-91859
    Type of Medium: Monograph available for loan
    Pages: lxviii, 968 Seiten
    Edition: Fourth edition
    ISBN: 9781108431125 , 9781108420952
    URL: http://www.gbv.de/dms/spk/sbb/toc/890315957.pdf
    Language: English
    Note: Contents: Part 1: The legal and institutional framework -- The environment and international society: issues, concepts and definitions -- History -- Governance: states, international organisations and non-state actors -- International law-making and regulation -- Compliance: implementation, enforcement, dispute settlement -- Part 2: Principles and rules establishing standards -- General principles and rules -- Atmospheric protection -- Climate change -- Freshwater resources -- Biological diversity -- Oceans, seas and marine living resources -- Hazardous substances and activities, and waste -- The polar regions: antarctica and the arctic -- Part 3: Techniques for implementing international principles and rules -- Environmental impact assessment -- Environmental information and technology transfer -- Liability for environmental damage -- Part 4: Linkage of international environmental law and other areas of international law -- Human rights and international humanitarian law -- International economic law: trade, investment and intellectual property -- Future developments
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  • 67
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    Monograph available for loan
    International environmental law (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK N 072-18-91860
    Description / Table of Contents: "International Environmental Law offers a concise, conceptually clear, and legally rigorous introduction to contemporary international environmental law and practice. The book covers all major environmental agreements, paying particular attention to their underlying structure, main legal provisions, and practical operation. It blends legal and policy analysis, making extensive reference to the jurisprudence and scholarship, and addressing the interconnections with other areas of international law, including human rights, humanitarian law, trade and foreign investment. The material is structured into four sections - foundations, substantive regulation, implementation, and influence on other areas of international law - which help the reader to navigate the different areas of international environmental law. Each chapter includes charts summarising the main components of the relevant legal frameworks and provides a detailed bibliography. Suitable for practicing and academic international lawyers who want an accessible, up-to-date introduction to contemporary international environmental law, as well as non-lawyers seeking a concise and clear understanding of the subject"--
    Description / Table of Contents: "International Environmental Law International Environmental Law offers a concise, conceptually clear, and legally rigorous introduction to contemporary international environmental law and practice. The book covers all major environmental agreements, paying particular attention to their underlying structure, main legal provisions, and practical operation. It blends legal and policy analysis, making extensive reference to the jurisprudence and scholarship, and addressing the interconnections with other areas of international law, including human rights, humanitarian law, trade and foreign investment. The material is structured into four sections - foundations, substantive regulation, implementation, and influence on other areas of international law - which help the reader to navigate the different areas of international environmental law. Each chapter includes charts summarising the main components of the relevant legal frameworks and provides a detailed bibliography. Suitable for practicing and academic international lawyers who want an accessible, up-to-date introduction to contemporary international environmental law, as well as non-lawyers seeking a concise and clear understanding of the subject"--
    Type of Medium: Monograph available for loan
    Pages: lxxiv, 522 Seiten
    Edition: Second edition
    ISBN: 9781108438117 , 9781108423601
    URL: http://www.gbv.de/dms/spk/sbb/toc/101067546X.pdf
    Language: English
    Note: Contents: Introduction; Part I. Foundations: 1. Emergence and development of international environmental law; 2. Main features of international environmental law; 3. The principles of international environmental law; Part II. Substantive Regulation: 4. Oceans, seas and freshwater; 5. Atmosphere; 6. Biological diversity; 7. Dangerous substances and activities; Part III. Implementation: 8. Traditional approaches: responsibility/liability/adjudication; 9. Alternative approaches - facilitation and management of 'noncompliance'; Part IV. Interactions with Other Branches: 10. Interactions with human rights law; 11. Interactions with the law of armed conflict; 12. Interactions with international economic law
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    Socio-economic transformations (2018)
    Cambridge : Cambridge University Press
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    Call number: PIK E 711-18-91880
    Type of Medium: Monograph available for loan
    Pages: viii, 366 Seiten , Diagramme
    ISBN: 9781108436328 , 9781108423120
    Series Statement: Rethinking society for the 21st century : report of the International Panel on Social Progress Volume 1
    Language: English
    Note: Contents: Introduction to Volume 1 ; 1. Social trends and new geographies ; 2. Social progress: a compass ; 3. Economic inequality and social progress ; 4. Economic growth, human development and welfare ; 5. Cities and social progress ; 6. Markets, finance, and corporations: does capitalism have a future? ; 7. The future of work – good jobs for all ; 8. Social justice, well-being, and economic organization
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  • 69
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    Ice action on pairs of cylindrical and conical structures (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/25
    In: CRREL Report, 83-25
    Description / Table of Contents: Ice action on two cylindrical and conical structures, located side by side, was investigated in a small-scale experimental study to determine the interference on the ice forces generated during ice-structure interaction. The proximity of the two structures changes the mode of ice failure, the magnitude and direction of ice forces on the individual structure, and the dominant frequency of ice force variations. Interference effects were determined by comparing the experimental results of tests at different structure spacings.
    Type of Medium: Series available for loan
    Pages: 42 Seiten , Illustrationen
    Series Statement: CRREL Report 83-25
    URL: https://apps.dtic.mil/docs/citations/ADA134595
    URL: https://hdl.handle.net/11681/9298
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Experimental setup and procedure Results and discussion Cylindrical structures Conical structures Conclusions Literature cited Appendix A: Relationship between flexural strength and in-situ unconfined compressive strength Appendix B: Test data
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  • 70
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    Stress measurements in ice (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/23
    In: CRREL Report, 83-23
    Description / Table of Contents: The problems associated with measuring stresses in ice are reviewed. Theory and laboratory test results are then presented for a stiff cylindrical sensor made of steel that is designed to measure ice stresses in a biaxial stress field. Loading tests on freshwater and saline ice blocks containing the biaxial ice stress sensor indicate that the sensor has a resolution of 20 kPa and an accuracy of better than 15% under a variety of uniaxial and biaxial loading conditions. Principal stress directions can also be determined within 5 degrees. The biaxial ice stress sensor is not significantly affected by variations in the ice elastic modulus, ice creep or differential thermal expansion between the ice and gauge. The sensor also has a low temperature sensitivity (5 kPa/deg C).
    Type of Medium: Series available for loan
    Pages: 38 Seiten , Illustrationen
    Series Statement: CRREL Report 83-23
    URL: https://apps.dtic.mil/docs/citations/ADA133906
    URL: https://hdl.handle.net/11681/9296
    Language: English
    Note: CONTENTS Abstract Preface Introduction Previous work Stress measurements Design considerations Stress sensors Biaxial ice stress sensor Biaxial stress sensor theory Gauge deformation Stresses associated with cylindrical sensors Determination of ice stresses Gauge calibration Evaluation of the biaxial ice stress sensor Temperature sensitivity Biaxial loading test equipment Biaxial loading test results Differential thermal expansion Long-term drift Discussion of test results Conclusions Literature cited
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  • 71
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    Sensitivity of plant communities and soil flora to seawater spills, Prudhoe Bay, Alaska (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/24
    In: CRREL Report, 83-24
    Description / Table of Contents: Secondary recovery of oil at Prudhoe Bay, Alaska, will involve transporting large quantities of seawater in elevated pipelines across tundra for injection into oil-bearing rock strata. The possibility of a pipeline rupture raises questions concerning the effects of seawater on tundra vegetation and soils. To evaluate the relative sensitivities of different plant communities to seawater, eight sites representing the range of vegetation types along the pipeline route were treated with single, saturating applications of seawater during the summer of 1980. Within a month of the treatment 30 of 37 taxa of shrubs and forbs in the experimental plots developed clear symptoms of stress, while none of the 14 graminoid taxa showed apparent adverse affects. Live vascular plant cover was thus reduced by 89 and 91% in the two dry sites and by 54, 74 and 83% in the three moist sites, respectively. Live(green) bryophyte cover was markedly reduced in the moist experimental sites in 1981. Bryophytes in all but one of the wet-site experimental plots were apparently unaffected by the seawater treatment. Two species of foliose lichens treated with seawater showed marked deterioration in 1981. All other lichen taxa were apparently unaffected by the seawater treatment. The absorption and retention of salts by the soil is inversely related to the soil moisture regime. In the wet sites, conductivities approached prespill levels within about 30 days. In such sites, spills at the experimental volumes are quickly diluted and the salts flushed from the soil. In the dry sites, on the other hand, salts are retained in the soil, apparently concentrating at or near the seasonal thaw line.
    Type of Medium: Series available for loan
    Pages: 43 Seiten , Illustrationen
    Series Statement: CRREL Report 83-24
    URL: https://apps.dtic.mil/docs/citations/ADA136619
    URL: https://hdl.handle.net/11681/9299
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods Site selection and preparation Prespill assessment Seawater application Postspill assessment Enzyme assay and analysis of soil flora Results and discussion Soil-solution conductivities Vascular plant response Cryptogam response Site factors and plant response Soil flora and extracellular soil enzymes Limitations of this study Summary and conclusions Literature cited Appendix: Plant taxa included in this study
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  • 72
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    Mechanical ice release processes : I. Self-shedding from high-speed rotors (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/26
    In: CRREL Report, 83-26
    Description / Table of Contents: Ice accreted on high-speed rotors operating in supercooled fog can be thrown off by centrifugal force, creating severe unbalance and dangerous projectiles. A simple force balance analysis indicates that the strength of accreted ice and its adhesive strength can be obtained by measuring the thickness of the accretion, the location of the separation, the rotor speed, and the density. Such an analysis was applied to field and laboratory observations of self-shedding events. The results agree reasonably well with other observations.
    Type of Medium: Series available for loan
    Pages: 13 Seiten , Illustrationen
    Series Statement: CRREL Report 83-26
    URL: https://apps.dtic.mil/docs/citations/ADA135369
    URL: https://hdl.handle.net/11681/9293
    Language: English
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  • 73
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    Series available for loan
    Forecasting water temperature decline and freeze-up in rivers (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/19
    In: CRREL Report, 84-19
    Description / Table of Contents: In this study a method for making long-range forecasts of freeze-up dates in rivers is developed. The method requires the initial water temperature at an upstream station, the long-range air temperature forecast, the predicted mean flow velocity in the river reach, and water temperature response parameters. The water temperature response parameters can be either estimated from the surface heat exchange coefficient and the average flow depth or determined empirically from recorded air and water temperature data. The method is applied to the St. Lawrence River between Kingston, Ontario, and Massena, New York, and is shown to be capable of accurately forecasting freeze-up. Originator-supplied keywords include: Ice formation, and River ice.
    Type of Medium: Series available for loan
    Pages: iii, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 84-19
    URL: https://apps.dtic.mil/docs/citations/ADA147068
    URL: https://hdl.handle.net/11681/9544
    Language: English
    Note: CONTENTS Abstract Preface Introduction Problem formulation Analytical treatment Application to the upper St. Lawrence River Summary Literature cited Appendix A: Basic program for St. Lawrence River freeze-up forecast
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  • 74
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    Series available for loan
    Crystalline structure of urea ice sheets used in modeling experiments in the CRREL test basin (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/24
    In: CRREL Report, 84-24
    Description / Table of Contents: This report describes the growth characteristics and crystalline textures of urea ice sheets which are now used extensively in the Cold Regions Research and Engineering Lab. (CRREL) test basin for modeling sea ice. The aims of the report are to describe the different kinds of crystalline texture encountered in urea ice sheets and to show that even small variations in texture can drastically influence the mechanical behavior of urea ice sheets. Standard petrographic techniques for studying microstructure in thin sections were used on 24 urea ice sheets. These investigations entailed observations of the crystalline texture of the ice (including details of the subgrain structure), grain size measurements, and studies of the nature and extent of urea entrapment and drainage patterns in the ice. Increased knowledge of the factors controlling the crystalline characteristics of urea ice sheets has progressed to the point where test basin researchers at CRREL are now able to fabricate ice sheets with prescribed structures leading to predictable mechanical properties. Originators supplied keywords include: Sea ice, and Mechanical properties.
    Type of Medium: Series available for loan
    Pages: iv, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 84-24
    URL: https://apps.dtic.mil/docs/citations/ADA148434
    URL: https://hdl.handle.net/11681/9553
    Language: English
    Note: Contents: Abstract Preface Introduction Objectives Analytical techniques Procedures for growing urea ice sheets Analysis of the crystalline structure of urea ice Characteristics of urea ice Results and discussion Ice sheet no. 1 Ice sheet no. 2 Ice sheet no. 3 Ice sheet no. 4 Ice sheet no. 5 Ice sheet no. 6 Ice sheet no. 7 Ice sheet no. 8 Ice sheet no. 9 Ice sheet no. 10 Ice sheet no. 11 Ice sheet no. 12 Ice sheet no. 13 Ice sheet no. 14 Ice sheet no. 15 Ice sheet no. 16 Ice sheet no. 17 Ice sheet no. 18 Ice sheet no. 19 Ice sheet no. 20 Ice sheet no. 21 Ice sheet no. 22 Ice sheet no. 23 Ice sheet no. 24 Urea concentrations in test tank solution and ice Discussion and conclusions E/σf ratio Thickness of incubation layer Crystal properties Literature cited Appendix A: Thin sections of urea ice sheets
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  • 75
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    Series available for loan
    Pulse transmission through frozen silt (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/17
    In: CRREL Report, 84-17
    Description / Table of Contents: VHF-band radiowave short pulses were transmitted within the permafrost tunnel at Fox, Alaska, over distances between 2.2 and 10.5 m. The propagation medium was a frozen silt containing both disseminated and massive ice with temperatures varying from -7°C near the transmitter to probably -2 C near the center of the tunnel overburden. The short pulses underwent practically no dispersion in the coldest zones but did disperse and refract through the warmer overburden, as suggested by calculations of the effective dielectric constant. Most significantly the measured frequency content decreased as the effective dielectric constant increased. The results indicate that deep, cross-borehole pulse transmissions over distances greater than 10 m might be possible, especially when the ground is no warmer than -4°C. The information thus pined could be used for identifying major subsurface variations, including ground ice features.
    Type of Medium: Series available for loan
    Pages: ii, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 84-17
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a147108.pdf
    URL: https://hdl.handle.net/11681/9519
    Language: English
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  • 76
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    Series available for loan
    Frazil ice formation (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/18
    In: CRREL Report, 84-18
    Description / Table of Contents: This report investigates the influences of turbulence and water temperature on frazil ice formation. The rate and thequantity of frazil ice formed in a specified volume of supercooled water increase with both increasing turbulence inten-sitv and decreasing water temperature. The influence of turbulence intensity on the rate of frazil ice formation, how-ever. is more pronounced for larger initial supercooling. The turbulence characteristics of a flow affect the rate offrazil ice formation by governing the temperature to which the flow can be supercooled, by influencing heat transferfrom the frazil ice to surrounding water, and by promoting collision nucleation, particle and floc rupture and increasingthe number of nucleation sites. larger frazil ice particles formed in water supercooled to lower temperatures. The par-ticles usually were disks, with diameters several orders greater than their thickness. Particle size generally decreased with increasing turbulence intensity. This report develops an analytical model, in which the rate of frazil ice formation isrelated to temperature rise of a turbulent volume of water from the release of latent heat of fusion of liquid water toice. Experiments conducted in a turbulence jar with a heated, vertically oscillating grid served both to guide and tocalibrate thanalytical'model as well as to afford insights into frazil ice formation. The formation of frazil ice wasstudied for Vemperatures of supercooled water ranging from -0.9° to -0.050°C.
    Type of Medium: Series available for loan
    Pages: vi, 50 Seiten , Illustrationen
    Series Statement: CRREL Report 84-18
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a147425.pdf
    URL: https://hdl.handle.net/11681/9547
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Background Scope of study Literature review Introduction Incipient formation of frazil ice Particle size and evolution of frazil ice Influences of turbulence and water temperature on the rate of frazil ice formation Conclusions Analytical model Introduction Elements of heat transfer Elements of turbulence Experimentation Experimental apparatus Experimental procedure Results Introduction Nucleation of frazil ice Influences of turbulence on frazil ice formation Water temperature Influences of water temperature and turbulence on the concentration of frazil ice Frazil ice particle shape and size Conclusions Literature cited Appendix A: Preliminary frazil ice experiments Flume experiments Couette-flow Appendix B: Listing of computer program for calculation of frazil ice formation Appendix C: Water temperature rise attributable to frazil ice formation as computed usingthe analytical model .
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  • 77
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    Series available for loan
    Baseline acidity of ancient precipitation from the South Pole (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/15
    In: CRREL Report, 84-15
    Description / Table of Contents: Measurements of meltwater pH from annual layers of South Pole firn and ice samples ranging in age from 40 to 2000 years B.P. show that precipitation at this remote site has a higher natural acidity than that expected from atmospheric equilibrium with CO2. The average pH of deaerated (CO2-free) samples was 5.64 + or - 0.08, while air-equilibrated samples averaged 5.37 + or - 0.008, a pH that is about a factor of two more acidic than the expected background pH of 5.65. The observed 'excess' acidity can be accounted for by natural SO4(2)- and NO(3)- levels in the samples probably originating from non-anthropogenic H2SO4 and HNO3. Because of the presence of these naturally occurring acids in South Pole precipitation, a pH of 5.4 is considered a more representative baseline reference pH for acid precipitation studies.
    Type of Medium: Series available for loan
    Pages: ii, 12 Seiten , Illustrationen
    Series Statement: CRREL Report 84-15
    URL: https://apps.dtic.mil/docs/citations/ADA145007
    URL: https://hdl.handle.net/11681/9510
    Language: English
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  • 78
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    Series available for loan
    The effects of soluble salts on the unfrozen water contents of the Lanzhou, P.R.C., silt (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/16
    In: CRREL Report, 84-16
    Description / Table of Contents: Phase composition curves are presented for a typical saline silt from Lanzhou, P.R.C., and compared to some silts from Alaska. The unfrozen water content of the Chinese silt is much higher than that of the Alaskan silts due to the large amount of soluble salts present in the silts from China, which are not present in silt from interior Alaska. When the salt is removed, the unfrozen water content is then similar for both the Chinese and Alaskan silt. Here we introduce a technique for correcting the unfrozen water content of partially frozen soils due to high salt concentrations. We calculate the equivalent molality of the salts in the unfrozen water at various temperatures from a measurement of the electrical conductivity of the extract from saturated paste.
    Type of Medium: Series available for loan
    Pages: iii, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 84-16
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a152825.pdf
    URL: https://hdl.handle.net/11681/9520
    Language: English
    Note: Contents Abstract Preface Introduction Background Materials Sample preparation Nuclear magnetic resonance Specific surface area Electrical conductivity Results and discussion Summary Literature cited Appendix A: Unfrozen water content vs temperature data for Lanzhou silt
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  • 79
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    Series available for loan
    Icing rate on stationary structures under marine conditions (1984)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-84/12
    In: CRREL Report, 84-12
    Description / Table of Contents: Icing on stationary structures such as oil rigs is becoming an increasingly serious problem as offshore drilling operations in the subpolar regions become more common. Little information exists on this subject. Extensive observations have been made of icing on the upper structures of moving ships, but the complexity of this problem makes analysis of the results very difficult. Even the generation of water drops in this case involves many factors, such as windspeed, wave direction relative to the bearing of the ship, and size and free-board of the ship. On stationary structures, however, the problem is much simpler, since the major factor in drop generation is whitecaps produced by wind, and no motion of the structure is involved. In the present study, a theoretical calculation was made by combining the data available on the generation of drops by wind with data on the proportion of ice frozen from the collected water. The rate of ice accumulation on stationary structures was calculated using published data. The results were compared with icing measured on board ships. Although the general trend of this calculation indicated parallelism with the onboard measurements, the measured ice accumulation rate on ships needed a 5 to 8 m/s higher windspeed to correspond with the calculated rate for stationary structures.
    Type of Medium: Series available for loan
    Pages: ii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 84-12
    URL: https://apps.dtic.mil/docs/citations/ADA145795
    URL: https://hdl.handle.net/11681/9507
    Language: English
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  • 80
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    Monograph available for loan
    Twenty lectures on algorithmic game theory (2016)
    Cambridge : Cambridge University Press
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    Call number: PIK M 490-19-92440
    Type of Medium: Monograph available for loan
    Pages: xiii, 341 Seiten , Diagramme , 24 cm
    ISBN: 9781107172661 , 9781316624791
    Language: English
    Note: Contents: 1. Introduction and examples ; 2. Mechanism design basics ; 3. Myerson's Lemma ; 4. Algorithmic mechanism design 34 ; 5. Revenue-maximizing auctions ; 6. Simple near-optimal auctions ; 7. Multi-parameter mechanism design ; 8. Spectrum auctions ; 9. Mechanism design with payment constraints ; 10. Kidney exchange and stable matching ; 11. Selfish routing and the price of anarchy ; 12. Network over-provisioning and atomic selfish routing ; 13. Equilibria: definitions, examples, and existence ; 14. Robust price-of-anarchy bounds in smooth games ; 15. Best-case and strong Nash equilibria ; 16. Best-response dynamics ; 17. No-regret dynamics ; 18. Swap regret and the Minimax theorem ; 19. Pure Nash equilibria and PLS-completeness ; 20. Mixed Nash equilibria and PPAD-completeness.
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  • 81
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    Series available for loan
    Least life-cycle costs for insulation in Alaska (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/27
    In: CRREL Report, 82-27
    Description / Table of Contents: Recommendations for economical thicknesses for building insulation result from a study of fuel and construction costs of 12 military installations in Alaska. A comparison between the insulation thickness that a building owner might choose today and what he might choose in 20 years indicates a trend for much thicker insulation in the future. An analysis of how much more expensive a building built today with the thickness that would be appropriate 20 years hence indicates only a small penalty in life-cycle costs for the additional insulation. Therefore, a minimum of R-32 walls and R-62 attics is recommended for most of Alaska.
    Type of Medium: Series available for loan
    Pages: 54 Seiten , Illustrationen
    Series Statement: CRREL Report 82-27
    URL: https://apps.dtic.mil/docs/citations/ADA122806
    URL: https://hdl.handle.net/11681/9367
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Summary Introduction Determining economic thicknesses for insulation Background Analysis method for new construction Analysis method for reinsulating existing construction Sensitivity and longevity of the results Sensitivity Longevity Recommendations Saving money vs. saving energy Energy economics conservation Building energy performance standards Conclusion Literature cited Appendix A: Heating system costs Appendix B: Present worth factors Appendix C: Base case and incremental thermal properties Appendix D: LCC comparison graphs for wall and roof systems Appendix E: Cost penalties for energy conservatism Appendix F: Graphic aid for figuring energy savings thermal improvements
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  • 82
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    Growth of faceted crystals in a snow cover (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/29
    In: CRREL Report, 82-29
    Description / Table of Contents: Ice grains in a snow cover with a low temperature gradient assume a well-rounded equilibrium form. However, at temperature gradients of 0.1 to 0.2 C/cm (depending somewhat on temperature and snow density), the rounded grains recrystallize into a faceted kinetic growth form. The large temperature gradient must play a decisive role in moving the vapor fast enough to sustain the rapid growth rate associated with the kinetic growth form. Once the large temperature gradient is removed, the grains recrystallize back to the equilibrium form. the recrystallization occurs in either direction without a change in bulk density. The growth of faceted crystals begins at the warmer base of the snow cover where the excess vapor pressure is largest. A transition between the overlying rounded grains moves upward in time. Faceted crystals also grow just below crusts of reduced permeability, where the increased vapor accumulation can sustain the excess vapor pressure neded for kinetic growth. The heat and vapor flows are described using a model based on thermodynamic equilibrium. The temperature distribution is shown to be quasi-linear at steady state in homogeneous snow. The recrystallization of the snow is modeled using the rounded grains as sources and the faceted grains as sinks. In the future this model should be extended to account for different temperatures among the sources and sinks.
    Type of Medium: Series available for loan
    Pages: 27 Seiten , Illustrationen
    Series Statement: CRREL Report 82-29
    URL: https://apps.dtic.mil/docs/citations/ADA122792
    URL: https://hdl.handle.net/11681/9373
    Language: English
    Note: Contents: Abstract Preface Introduction Vapor flow Temperature profile Crystal growth rates Equilibirum versus kinetic growth forms of snow crystals Discussion Summary Literature cited
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  • 83
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    Fluid dynamic analysis of volcanic tremor (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/32
    In: CRREL Report, 82-32
    Description / Table of Contents: Low-frequency (10 Hz) volcanic earthquakes originate at a wide range of depths and occur before, during, and after magmatic eruptions. The characteristics of these earthquakes suggest that they are not typical tectonic events. Physically analogous processes occur in hydraulic fracturing of rock formations, low-frequency icequakes in temperate glaciers, and autoresonance in hydroelectric power stations. We propose that unsteady fluid flow in volcanic conduits is the common source mechanism of low-frequency volcanic earthquakes (tremor). The fluid dynamic source mechanism explains low-frequency earthquakes of arbitrary duration, magnitude, and depth of origin, as unsteady flow is independent of physical properties of the fluid and conduit. Fluid transients occur in both low-viscosity gases and high-viscosity liquids. A fluid transient analysis can be formulated as generally as is warranted by knowledge of the composition and physical properties of the fluid, material properties, geometry and roughness of the conduit, and boundary conditions. To demonstrate the analytical potential of the fluid dynamic theory, we consider a single-phase fluid, a melt of Mount Hood andeside at 1250 deg C, in which significant pressure and velocity variations occur only in the longitudinal direction.
    Type of Medium: Series available for loan
    Pages: 15 Seiten , Illustrationen
    Series Statement: CRREL Report 82-32
    URL: https://apps.dtic.mil/docs/citations/ADA122778
    URL: https://hdl.handle.net/11681/9375
    Language: English
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  • 84
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    Series available for loan
    Investigations of sea ice anisotropy, electromagnetic properties, strength, and under-ice current orientation (1980)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-80/20
    In: CRREL Report, 80-20
    Description / Table of Contents: Results of impulse radar studies of sea ice give support to the concept of a sea ice model in which the ice bottom is composed of an array of lossy parallel plate waveguides. The fundametal relation between the average bulk brine volume of sea ice and its electrical and strength properties is discussed as is the remote detection of under-ice current alignment. It was found that 1) the average effective bulk dielectric constant is dependent upon the average bulk brine volume of the sea ice; 2) sea ice anisotropy, arising from a bottom structure of crystal platelets with a preferred c-axis horizontal alignment, can be detected by radio echo sounding measurements made not only on the ice surface but also from an airborne platform; 3) the effective coefficient of reflection from the seaiIce bottom decreases with increasing average effective bulk dielectric constant of the ice, decreases with increasing bulk brine volume, and is typically one to two orders of magnitude lower dhan the coefficient of reflection from the ice surface; and 4) the losses In sea ice increase with increasing average bulk brine volume.
    Type of Medium: Series available for loan
    Pages: v, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 80-24
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a092089.pdf
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field program Results and discussion Conclusions Literature cited Appendix: Data analysis procedures
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  • 85
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    Heat and mass transfer from freely falling drops at low temperatures (1980)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-80/18
    In: CRREL Report, 80-18
    Description / Table of Contents: The use of ice as a structural material is common practice for certain applications in cold regions. Techniques such as surface flooding or water spraying are used to accelerate ice growth rates, thereby lengthening the winter construction season. This report examines the heat and mass transfer rates from freely falling water drops in cold air. Design equations which predict the amount of supercooling of the drops as a function of outdoor ambient temperature, drop size and distance of fall are given
    Type of Medium: Series available for loan
    Pages: v, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 80-18
    URL: https://apps.dtic.mil/docs/citations/ADA090522
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Velocity problem Heat and mass transfer problem - A single drop Heat and mass transfer - A system of drops Literature cited Appendix A: FORTRAN IV program to calculate final drop temperature, air temperatureand humidity
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  • 86
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    Series available for loan
    Environmental engineering and ecological baseline investigations along the Yukon River-Prudhoe Bay Haul Road (1980)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-80/19
    In: CRREL Report, 80-19
    Description / Table of Contents: During the period 1975-1978 the Federal Highway Administration sponsored a series of environmental engineering in­vestigations along the Yukon River to Prudhoe Bay Haul Road. In 1976 the Department of Energy joined these in­vestigations with a series of ecological projects which continue to the present. Both agencies research efforts were con­ducted on a cooperative basis with CRREL’s in-house research program. The objectives of the research focused on 1) an evaluation of the performance of the road, 2) an assessment of changes in the environment associated with the road, 3) documentation of flora and vegetation along the 577-km-long transect, 4) methodologies for revegetation and restoration, and 5) an assessment of biological parameters as indicators of environmental integrity. In support of these objectives, specific studies were undertaken that investigated the climate along the road, thaw and subsidence beneath and adjacent to the road, drainage and side slope performance, distribution and properties of road dust, vegetation distribution, vegetation disturbance and recovery, occurrence of weeds and weedy species, erosion and its control, revegetation and restoration, and construction of the fuel gas line. This report presents background, information on the region, detailed results of the road thaw subsidence and dust investigations, and summaries of revegetation, fuel gas line, vegetation distribution, soil, and weed studies.
    Type of Medium: Series available for loan
    Pages: xv, 187 Seiten , Illustrationen
    Series Statement: CRREL Report 80-19
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6433
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Chapter 1. The road and its environment Introduction General physiography Regional climate Surficial and bedrock geology Permafrost and ground ice General biota Vegetation Floristic survey Vegetation mapping Soils and mapping Chapter 2. Roadbed performance and associated investigations Roadbed investigations Roadbed performance Performance of drainage features Performance of sideslopes Conclusions from road, drainage and sideslope performance studies Fuel gas line construction Chapter 3. Distribution and properties of road dust along the northern portion of the Haul Road Introduction Methods Results of wind direction and velocity measurements Dust load and distribution Particle size analyses of dust Chemical composition properties of dust and related samples Soil cation composition Dust impacts on vegetation Discussion and conclusions Chapter 4. Revegetation and restoration investigations Introduction Revegetation approaches Alyeska erosion control and revegetation program Weeds and weedy plants Performance of revegetation Alyeska willow cutting program CRREL restoration experiments Conclusions Revegetation recommendations General report recommendations Literature cited Appendix A: General environmental guidelines applicable to subarctic and arctic road construction Appendix B: University-based studies along the Yukon River-Prudhoe Bay Haul Road Appendix C: CRREL maps of Haul Road showing locations of all study Sites Appendix D: Additional Haul Road cross-sectional profiles Appendix E: Clay mineralogy of road-related materials Appendix F: List of reports in the Joint State/Federal Fish and Wildlife Ad­visory Team series
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  • 87
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    Series available for loan
    Snow pads used for pipeline construction in Alaska, 1976 : construction, use and breakup (1980)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-80/17
    In: CRREL Report, 80-17
    Description / Table of Contents: Construction pads made of snow were used to build two sections of the Trans Alaska Pipeline and a small gas pipeline during the winter of 1975-76. Construction during the winter has become increasingly common in the Arctic. Surface travel and the use of heavy construction equipment on the unprotected tundra have been severely restricted, even during the winter, so the use of temporary winter roads and construction pads built of snow and ice has been advocated and is being adopted. The three snow construction pads mentioned above were the first snow roads and construction pads used on a large scale in Alaska. Snow roads and construction pads have two objectives: to protect the underlying vegetation and upper layers of the ground, and to provide a hard, smooth surface for travel and the operation of equipment. Several types have been built, and a brief discussion is given of their history and classification systems. The three snow construction pads used in construction of the Trans-Alaska Pipeline and the small gas pipeline in 1975-76 were visited and observed while in use. The Globe Creek snow pad, about 50 miles north of Fairbanks, was built primarily of manufactured snow hauled to the site and watered. With very high densities this pad withstood heavy traffic and use by heavy construction equipment except on one steep slope. There, the use of tracked vehicles and vehicles without front wheel drive disaggregated the snow on and near the surface so that vehicles without front wheel drive were unable to climb the hill. The Toolik snow pad, just north of the Brooks Range, was built of compacted snow and proved capable of supporting the heaviest traffic and construction equipment. The fuel gasline snow pad ran from the northern Brooks Range to the Arctic Coast and also proved capable of supporting the necessary traffic. Both the Toolik snow pad and the fuel gasline snow pad failed in very early May because of unseasonably warm and clear weather before the associated construction projects were completed. However, the three snow pads must be considered successful. Common problems were the lack of snow, slopes, unseasonably warm spring weather, and inexperience on the part of contractors and construction personnel.
    Type of Medium: Series available for loan
    Pages: v, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 80-17
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a090521.pdf
    Language: English
    Note: CONTENTS Abstract Preface Introduction History of snow and ice roads Classification of snow and ice roads Snow pads used by Alyeska during the winter of 1975-1976 The Globe Creek snow pad The Toolik snow pad The gasline snow pad Summary and conclusions Literature cited
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  • 88
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    Series available for loan
    Time constraints on measuring building R-values (1980)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-80/15
    In: CRREL Report, 80-15
    Description / Table of Contents: This report discusses the time constraints on measuring the thermal resistance (R-value) of building components. Temperature changes on either side of a building component perturb measurement accuracy. Long measurement times and measurement times corresponding to a consistent diurnal cycle can be satisfactory; however, individual temperature changes cause significant error for shorter measurement periods. This report shows how to scale the thermal properties of individual constituent materials in a building element to determine its characteristic thermal time constant. The report then demonstrates the size of measurement error resulting from a variety of changes in temperature with representative walls of different time constants.
    Type of Medium: Series available for loan
    Pages: iii, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 80-15
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a089712.pdf
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction Field measurement and analysis of transient heat flow A closer look at handling the constraints Random change Step change Ramp change Application of theory Literature cited Appendix A. Percentage error from a step input Appendix B. Time constraints of sample walls Appendix C. Percentage error from a ramp input Appendix D. Percentage error from a sinusoidal input Appendix E. Percentage error programs for a Hewlett-Packard HP-25 calculator Appendix F. Experimental determination of time constants Appendix G. Derivation of time constant formula for multiple layers
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  • 89
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    Monograph available for loan
    A course in environmental economics : theory, policy, and practice (2017)
    Cambridge : Cambridge University Press
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    Call number: PIK B 160-19-92620 ; PIK B 160-19-92620/2. Ex. ; PIK B 160-19-92620/3. Ex. ; PIK B 160-19-92620/4. Ex. ; PIK B 160-19-92620/5. Ex.
    Type of Medium: Monograph available for loan
    Pages: xxix, 765 Seiten , Diagramme
    Edition: Reprinted
    ISBN: 9781107004177 , 9780521178693
    URL: Inhaltsverzeichnis
    Language: English
    Note: Contents: Part I. Economics and the Environment: 1. Environmental economics and the theory of externalities ; 2. Environmental problems and policy issues ; 3. Introduction to the theory of environmental policy ; Part II. The Design of Environmental Policy: 4. Imperfect information ; 5. Competitive output markets ; 6. Non-competitive output markets ; 7. Environmental policy with pre-existing distortions ; 8. Institutional topics in cap and trade programs ; 9. Ambient pollution control ; 10. Liability ; 11. Innovation and adoption of new technology ; 12. International environmental problems ; 13. Accumulating pollutants ; Part III. Valuing the Environment: 14. Theory of applied welfare analysis ; 15. Revealed preference models ; 16. Discrete choice models ; 17. Recreation ; 18. Property value models ; 19. Stated preference methods ; 20. Health valuation ; Part IV. The Practice of Environmental Economics: 21. Cost-benefit analysis: modeling ; 22. Cost-benefit analysis: empirical ; 23. Final thoughts.
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  • 90
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    Monograph available for loan
    The Arctic climate system (2005)
    Cambridge : Cambridge University Press
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    Call number: 13/M 06.0016 ; AWI A4-06-0013
    In: Cambridge atmospheric and space science series
    Type of Medium: Monograph available for loan
    Pages: XVII, 385 Seiten , Illustrationen
    ISBN: 0521814189
    Series Statement: Cambridge atmospheric and space science series
    URL: Table of Contents
    Classification:
    Meteorology and Climatology
    Language: English
    Note: Contents: Preface. - Acknowledgements. - List of Abbreviations. - 1 The evolution of knowledge about the Arctic and its climate. - 1.1 Historical exploration. - 1.2 The beginning of systematic observations. - 1.3 The modern era. - 2 Physical characteristics and basic climatic features. - 2.1 The Arctic ocean. - 2.2 The Arctic lands. - 2.3 Basic climatic elements. - 3 The basic atmospheric heat budget. - 3.1 The Arctic and the global heat budget. - 3.2 The basic Arctic heat budget. - 3.3 Further analysis of Fwall. - 4 The atmospheric circulation. - 4.1 Historical perspective. - 4.2 The stratospheric circulation. - 4.3 The Arctic tropopause. - 4.4 The mid-tropospheric circulation. - 4.5 Surface and near-surface circulation. - 4.6 Polar Lows. - 5 The surface energy budget. - 5.1 The energy balance equations. - 5.2 The downward solar radiation flux. - 5.3 Surface albedo. - 5.4 Longwave radiation fluxes. - 5.5 Distribution of net radiation. - 5.6 Cloud radiative forcing. - 5.7 Radiation fluxes from surface observations: examples from SHEBA. - 5.8 Partitioning of net radiation. - 5.9 Skin temperature, SAT and vertical structure. - 5.10 Radiation-climate feedbacks. - 6 Precipitation, net precipitation and river discharge. - 6.1 Precipitation. - 6.2 Evapo-transpiration and net precipitation. - 6.3 Mean annual cycles for the major terrestrial drainages. - 6.4 River discharge and runoff. - 7 Arctic ocean-sea ice-climate interactions. - 7.1 Sea ice formation, growth and melt. - 7.2 Mean circulation, ice zones and concentration. - 7.3 Sea ice motion. - 7.4 Examples of large-scale ocean-sea ice-climate interactions. - 7.5 The Fram Strait outflow and the thermohaline circulation. - 8 Climate regimes of the Arctic. - 8.1 The Greenland Ice Sheet. - 8.2 Polar desert. - 8.3 Maritime Arctic. - 8.4 Central Arctic Ocean. - 8.5 Mountains and uplands. - 8.6 Urban modifications of local climate. - 9 Modeling the Arctic climate system. - 9.1 General model types. - 9.2 Single-column models. - 9.3 Land surface models. - 9.4 Sea ice and ice-ocean models. - 9.5 Global climate models. - 9.6 Regional climate models. - 9.7 Numerical weather prediction models. - 9.8 Ecosystem models. - 9.9 Summary of model errors. - 10 Arctic paleoclimates. - 10.1 The distant past. - 10.2 Paleoclimate records for the Quaternary. - 10.3 Features of the Quaternary. - 10.4 Rapid climate shifts. - 10.5 Regional aspects of the LGM. - 10.6 Deglaciation. - 10.7 The Holocene. - 11 Recent climate variability, trends and the future. - 11.1 Setting the stage. - 11.2 Summary of observed variability and change. - 11.3 The NAO and AO. - 11.4 The NAO/AO framework: merits and shortcomings. - 11.5 Related multiyear climate variability. - 11.6 The future. - References. - List of selected websites. - Index.
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  • 91
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    The politics of environmental performance : institutions and preferencesin industrialized democracies (2016)
    Cambridge : Cambridge University Press
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    Call number: PIK N 071-17-90657
    Description / Table of Contents: Contents: 1. Introduction; Part I. Approach, Method and Concepts: 2. Explaining environmental performance; 3. Preferences in environmental politics; 4. The institutional settings in 21 OECD countries; Part II. Environmental Performance in 21 OECD Countries: 5. Measuring environmental performance; 6. Aggregating environmental performance data; Part III. Analysis: 7. Domestic politics; 8. International politics; 9. The nexus of domestic and international politics; 10. Conclusion
    Description / Table of Contents: "As the world faces the prospect of climate change, nuclear disasters, and water scarcity, it is clear that environmental degradation is an increasingly serious challenge with economic and social consequences. In this book, Detlef Jahn analyzes political processes in a macro-comparative study in order to estimate the role of politics in the field of environmental performance in 21 OECD countries. His model demonstrates various styles of politics used to combat environmental degradation. He finds that economic and environmental performance are still closely linked, and that moving towards a service society does not by itself solve the environmental challenge. The close relationship of these areas was made strikingly clear in the economic crisis of the new millennium. He argues that economic globalization fosters environmental deterioration, and undermines efforts in domestic politics and international coordination to improve the environmental record"--
    Type of Medium: Monograph available for loan
    Pages: xvi, 376 Seiten , Diagramme
    ISBN: 9781107118041
    URL: http://www.gbv.de/dms/zbw/863716466.pdf
    Language: English
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  • 92
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    Monograph available for loan
    The systems view of life : a unifying vision (2016)
    Cambridge : Cambridge University Press
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    Call number: IASS 17.90656
    Type of Medium: Monograph available for loan
    Pages: XIV, 498 Seiten , Illustrationen
    Edition: Paperback editition, with corrections
    ISBN: 9781316616437 (pbk) , 9781107011366 (hbk)
    Language: English
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  • 93
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    A unified theory of party competition : a cross-national analysis integrating spatial and behavioral factors (2005)
    Cambridge : Cambridge University Press
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    Call number: PIK D 029-17-90988
    Description / Table of Contents: This book integrates spatial and behavioral perspectives - in a word, those of the Rochester and Michigan schools - into a unified theory of voter choice and party strategy. The theory encompasses both policy and non-policy factors, effects of turnout, voter discounting of party promises, expectations of coalition governments, and party motivations based on policy as well as office. Optimal (Nash equilibrium) strategies are determined for alternative models for presidential elections in the US and France, and for parliamentary elections in Britain and Norway. These polities cover a wide range of electoral rules, number of major parties, and governmental structures. The analyses suggest that the more competitive parties generally take policy positions that come close to maximizing their electoral support, and that these vote-maximizing positions correlate strongly with the mean policy positions of their supporters
    Type of Medium: Monograph available for loan
    Pages: xviii, 311 Seiten , Diagramme
    ISBN: 9780521836449
    DOI: 10.1017/CBO9780511614453
    Language: English
    Note: Contents: 1. Modeling party competition ; 2. How voters decide: the components of the unified theory of voting ; 3. Linking voter choice to party strategies: illustrating the role of non-policy factors ; 4. Factors influencing the link between party strategy and the variables ; 5. Policy competition under the unified theory: empirical applications to the 1988 French Presidential Election ; 6. Policy competition under the unified voting model: empirical applications to the 1989 Norwegian parliamentary election ; 7. The threat of abstention: candidate strategies and policy representation in US presidential elections ; 8. Candidate strategies with voter abstention in US presidential elections: 1980, 1984, 1988, 1996, and 2000 ; 9. Policy competition in Britain: the 1997 general election ; 10. The consequences of voter projection: assimilation and contrast effects ; 11. Policy-seeking motivations of parties in two-party elections: theory ; 12. Policy-seeking motivations of parties in two-party elections: empirical analysis ; 13. Concluding remarks.
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  • 94
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    Series available for loan
    Equations for determining the gas and brine volumes in sea ice samples (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/30
    In: CRREL Report, 82-30
    Description / Table of Contents: Equations are developed that can be used to determine the amount of gas present in sea ice from measurements of the bulk ice density, salinity and temperature in the temperature range o f-2 to -30°C. Conversely these relationships can be used to give the density of sea ice as a function of its temperature and salinity, considering both the presence of gas and of solid salts in the ice. Equations are also given that allow the calculation of the gas and brine volumes in the ice at temperatures other than that at which the bulk density was determined.
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    Pages: 13 Seiten , Illustrationen
    Series Statement: CRREL Report 82-30
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/7048
    URL: https://hdl.handle.net/11681/9372
    Language: English
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  • 95
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    Series available for loan
    Breaking ice with explosives (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/40
    In: CRREL Report, 82-40
    Description / Table of Contents: The use of explosives to break floating ice sheets is described, and test data are used to develop design curves that predict explosives effects as ice thickness, charge size, and charge depth vary. Application of the curves to practical problems is illustrated by numerical examples. The general features of underwater explosions are reviewed and related to ice blasting. Quasi-static plate theory is considered, and is judged to be inapplicable to explosive cratering of ice plates. The specific energy for optimized ice blasting is found to compare quite favorably with the specific energy of icebreaking ships. All available field data for ice blasting are tabulated in appendices, together with details of the re­gression analyses from which the design curves are generated.
    Type of Medium: Series available for loan
    Pages: iv, 68 Seiten , Illustrationen
    Series Statement: CRREL Report 82-40
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6971/rec/1
    URL: https://hdl.handle.net/11681/9320
    Language: English
    Note: CONTENTS Abstract Preface Introduction General behavior of underwater explosions Regression analysis for ice-blasting data General features of the regression curves Use of the regression curves as design curves for ice blasting Row charges and pattern charges Response of floating ice sheets to underwater explosions Specific energy and “powder factor” Summary and conclusions Literature cited Appendix A: Basic data on ice blasting Appendix B: Scaled input data Appendix C: Initial regression analysis using complete polynomial Appendix D: Regression analysis with two coefficients of the original poly­nomial deleted
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  • 96
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    The brine zone in the McMurdo Ice Shelf, Antarctica (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/39
    In: CRREL Report, 82-39
    Description / Table of Contents: Observations of a 4.4-m-high brine step in the McMurdo Ice Shelf, Antarctica, show that it has migrated about 1.2 km in 4 years. The present brine wave is overriding an older brine-soaked layer. This migration is proof of the dynamic nature of the step, which is the leading edge of a brine wave that originated at the shelf edge after a major break-out of the McMurdo Ice Shelf. The inland boundary of brine penetration is characterized by a series of descending steps that are believed to represent terminal positions of separate intrusions of brine of similar origin. The inland boundary of brine percolation is probably controlled largely by the depth at which brine encounters the firn/ ice transition (43 m). However, this boundary is not fixed by permeability considerations alone, since measurable movement of brine is still occurring at the inland boundary. Freeze-fractionation of the seawater as it migrates throught the ice shelf preferentially precipitates virtually all sodium sulfate, and concomitant removal of water by freezing in the pore spaces of the infiltrated firm produces residual brines approximately six times more concentrated than the original seawater.
    Type of Medium: Series available for loan
    Pages: v, 35 Seiten , Illustrationen
    Series Statement: CRREL Report 82-39
    URL: https://apps.dtic.mil/docs/citations/ADA124516
    URL: https://hdl.handle.net/11681/9319
    Language: English
    Note: CONTENTS Abstract Preface Introduction Objectives Analytical techniques Radio echo profiling Core drilling Results and discussion Brine infiltration survey Brine layer steps Brine infiltration characteristics Brine infiltration mechanisms at inland boundary Confirmation of brine depths by drilling Density and temperature profiles Ice shelf freeboard Brine upwelling Brine chemistry Conclusions Literature cited
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  • 97
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    Window performance in extreme cold (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/38
    In: CRREL Report, 82-38
    Description / Table of Contents: Extreme cold causes heavy buildup of frost, ice and condensation on many windows. It also increases the incentive for improving the airtightness of windows against heat loss. Our study shows that tightening specifications for Alaskan windows to permit only 30% of the air leakage allowed by current American airtightness standards is economically attractive. We also recommend triple glazing in much of Alaska to avoid window icing in homes and barracks. We base our conclusions on a two-year field study of Alaskan military bases that included recording humidity and temperature data, observing moisture accumulation on windows and measuring airtightness with a fan pressurization device.
    Type of Medium: Series available for loan
    Pages: v, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 82-38
    URL: https://apps.dtic.mil/docs/citations/ADA124528
    URL: https://hdl.handle.net/11681/9333
    Language: English
    Note: Contents Abstract Preface Nomenclature Introduction Previous work in cold weather window performance Investigation Data acquisition and analysis Modeling the window thermal regime Moisture and ice observations Airtightness testing and analysis Annual heat loss from air leakage Results and conclusions Moisture on windows Airtightness Airtightness economics Recommendations for windows in extreme cold Airtightness Multiple glazing Literature cited Appendix A: Moisture levels and airtightness Appendix B: Dewpoint data Appendix C: Sample observations of icing
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  • 98
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    Series available for loan
    Landsat-assisted environmental mapping in the Arctic National Wildlife Refuge, Alaska (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/37
    In: CRREL Report, 82-37
    Description / Table of Contents: This report presents a Landsat-derived land cover map of the northwest portion of the Arctic National Wildlife Refuge, Alaska. The report is divided into two parts. The first is devoted to the land cover map with detailed descriptions of the mapping methods and legend. The second part is a description of the study area. The classification system used for the maps is an improvement over existing methods of describing tundra vegetation. It is a comprehensive method of nomenclature that consistently applies the same criteria for all vegetation units. It is applicable for large- and small-scale mapping and is suitable for describing vegetation complexes, which are common in the patterned-ground terrain of the Alaskan Arctic. The system is applicable to Landsat-derived land cover classifications. The description of the study area focuses on five primary terrain types: flat thaw-lake plains, hilly coastal plains, foothills, mountainous terrain, and river flood plains. Topography, landforms, soils and vegetation are described for each terrain type. The report also contains area summaries for the Landsat-derived map categories. The area summaries are generated for the five terrain types and for the 89 townships within the study areas. Two land cover maps at 1:250,000 are included.
    Type of Medium: Series available for loan
    Pages: 68 Seiten , Illustrationen, 2 Karten
    Series Statement: CRREL Report 82-37
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/7051
    URL: https://hdl.handle.net/11681/9332
    Language: English
    Note: CONTENTS Abstract Preface Foreword Introduction A land cover map of the ANWR study area Legend development Mapping method Results Discussion Description of the ANWR study area General description Description of specific terrain types Conclusions Literature cited Appendix A: Descriptions of Landsat land cover categories for ANWR Appendix B: Area summaries Appendix C: Aproximate equivalent units in several systems of land cover, wetland and vegetation classifications used in northern Alaska Appendix D: Soil taxonomy Appendix E: Summary of principal Landsat land cover categories within the terrain types of the ANWR study area
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  • 99
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    Series available for loan
    Long-term modifications of perennially frozen sediment and terrain at East Oumalik, northern Alaska (1982)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/36
    In: CRREL Report, 82-36
    Description / Table of Contents: Camp construction and drilling activities in 1950 at the East Oumalik drill site in northern Alaska caused extensive degradation of ice-rich, perennially frozen silt and irreversible modification of the upland terrain. In a study of the long-term degradational effects at this site, the near-surface geology was defined by drilling and coring 76 holes (maximum depth of 34 m) in disturbed and undisturbed areas and by laboratory analyses of these cores. Terrain disturbances, including bulldozed roads and excavations, camp structures and off-road vehicle trails, were found to have severely disrupted the site's thermal regime. This led to a thickening of the active layer, melting of the ground ice, thaw subsidence and thaw consolidation of the sediments. Slumps, sediment gravity flows and collapse of materials on slopes bounding thaw depressions expanded the degradation laterally, with thermal and hydraulic erosion removing materials as the depressions widened and deepened with time. Degradational processes became less active after thawed sediments thickened sufficiently to slow the increase in the depth of thaw and permit slope stabilization. The site's terrain is now irregular and hummocky with numerous depressions. Seasonal thaw depths are deeper in disturbed areas than in undisturbed areas and reflect the new moisture conditions and morphology. The severity of disturbance is much greater at East Oumalik than at another old drill site, Fish Creek. The difference results primarily from differences in the physical properties of the sediments, including the quantity and distribution of ground ice.
    Type of Medium: Series available for loan
    Pages: 42 Seiten , Illustrationen
    Series Statement: CRREL Report 82-36
    URL: https://apps.dtic.mil/docs/citations/ADA123731
    URL: https://hdl.handle.net/11681/9330
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Methodology Geologic setting Camp construction and occupation Types of disturbance Degradational processes and the effective area of impact Areal effects of disturbance Topography Groundwater, surface water and drainage Sediment properties and near-surface stratigraphy Surficial processes Depth of thaw Comparison to Fish Creek Discussion and conclusions Literature cited
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  • 100
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    Statistical aspects of ice gouging on the Alaskan Shelf of the Beaufort Sea (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/21
    In: CRREL Report, 83-21
    Description / Table of Contents: The probability density function of the gouge depths into the sediment is represented by a simple negative exponential over four decades of gouge frequency. The exceedance probability function is, therefore, e to the -lambda d, where d is the gouge depth in meters and lambda is a constant. The value of lambda shows a general decrease with increasing water depth, from 9/m in shallow water to less than 3/m in water 30 to 35 m deep. The deepest gouge observed was 3.6 m, from a sample of 20,354 gouges that have depths greater than or equal to 0.2 m. The dominant gouge orientations are usually unimodal and reasonably clustered, with the most frequent alignments roughly parallel to the general trend to the coastline. The value of N(bar) sub 1, the mean number of gouges (deeper than 0.2 m) per kilometer measured normal to the trend of the gouges, varies from 0.2 for protected lagoons to 80 in water between 20 and 38 m deep in unprotected offshore regions. The distribution of the spacings between gouges as measured along a sampling track is a negative exponential. The form of the frequency distribution of N sub 1 varies with water depth and is exponential for lagoons and shallow offshore areas, previously skewed for 10 to 20 m depths off the barrier islands, and near-normal for deeper water. As a Poisson distribution gives a reasonable fit to the N sub 1 distributions for all water depths, it is suggested that gouging can be taken as approximating a Poisson process in both space and time. The distributions of the largest values per kilometer of gouge depths, gouge widths, and the heights of the lateral embankment of sediments plowed from the gouges are also investigated.
    Type of Medium: Series available for loan
    Pages: 40 Seiten , Illustrationen, 1 Karte
    Series Statement: CRREL Report 83-21
    URL: https://apps.dtic.mil/docs/citations/ADA134428
    URL: https://hdl.handle.net/11681/9302
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background and environmental setting Data collection and terminology Data analysis Gouge depths Gouge orientation Gouge frequency Extreme value analysis Applications to offshore design Gouge depth Extreme value statistics Burial depths Conclusion Literature cited Appendix A: Detailed bathymetric map of the Alaskan portion of the Beaufort Sea
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