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  • 2010-2014  (150)
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  • 1
    Call number: D 2044/4
    In: Forschungsaufgabe "Strukturentwicklung Mitteldeutsche Hauptabbrüche und Südrand NPS"
    Type of Medium: Monograph non-lending collection
    Pages: 19 Blätter , graphische Darstellungen
    Language: German
    Note: Inhaltsverzeichnis: 1. Grundlagen, einschl. Zielstellung. - 2. Geologisch-tektonischer Überblick. - 3. Ergebnisse. - 3.1 Harzaufrichtungszone. - 3.2 Huy. - 3.3 Hakel. - 3.4 Ascherslebener Sattel. - 3.5 Straßfurter Sattel. - 3.6 Weferlinger Triasplatte und Allertal-Störungszone. - 3.7 Östliches Subherzynes Becken. - 4. Vergleich der einzelnen Untersuchungsgebiete. - 5. Zusammenfassung und Schlußfolgerungen. - 6. Literatur. - Kurze Stellungnahme Bereichsleitung ZIPE III (Geologie).
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  • 2
    Call number: D 2043/4
    In: Forschungsaufgabe "Strukturentwicklung Mitteldeutsche Hauptabbrüche und Südrand NPS"
    Type of Medium: Monograph non-lending collection
    Pages: 47 Blätter , graphische Darstellungen , 20 Kartenbeilagen
    Language: German
    Note: Inhaltsverzeichnis: 0. Aufgabenstellung. - 1. Untersuchungsmethodik. - 1.1. Mächtigkeitsanalyse. - 1.2. Faziesanalyse. - 1.3. Genauigkeitsbetrachtung. - 2. Ergebnisse: Paläotektonische Entwicklung in der Trias. - 2.1. Vorbemerkungen. - 2.2. Spezielle Ergebnisse. - 2.2.1. Unterer Buntsandstein. - 2.2.2. Mittlerer Buntsandstein. - 2.2.3. Oberer Buntsandstein. - 2.2.4. Muschelkalk. - 2.2.5. Unterer Keuper. - 2.2.6. Mittlerer Keuper. - 2.2.7. Oberer Keuper. - 2.3. Grundzüge der Deckgebirgsentwicklung während der Trias. - 3. Hinweise für Folgearbeiten. - 4. Zusammenfassung. - 5. Literaturverzeichnis. - 6. Abbildungs- und Anlagenverzeichnis. - 7. Stellungnahme der Bereichsleitung.
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  • 3
    Call number: D 2045/4
    In: Forschungsaufgabe "Strukturentwicklung Mitteldeutsche Hauptabbrüche und Südrand NPS"
    Type of Medium: Monograph non-lending collection
    Pages: 26 Blätter , graphische Darstellungen , 1 Kartenbeilage
    Language: German
    Note: Inhaltsverzeichnis: 1. Das Illawerra-Reversal - aktueller Kenntnisstand. - 2. Ergebnisse aus der DDR bis 12/1980. - 2.1. ROTHER 1971 und 1974. - 2.2. Scholle von Calvörde. - 2.3. Thüringer Wald. - 2.4. Referenzprofil NPS. - 3. Untersuchungsergebnisse 1981 und 1982. - 3.1. Flechtinger Scholle. - 3.2. Thüringer Wald. - 3.3. Bohrung Mirow 1/1a/74. - 3.4. Bohrung Luckenwalde 1/80. - 3.5. Bohrung Parchim 1/68. - 3.6. Bohrung Rostock 1/68. - 3.7. Bohrung Richtenberg 2/64. - 4. Magnetostratigraphisches Korrelationsschema - stratigraphische Schlußfolgerungen. - 5. Paläogeographische und paläotektonische Schlußfolgerungen. - 5.1. Zum Vorkommen größerer Schichtlücken. - 5.2. Zu intraformationellen Schichtlücken. - 5.3. Zur Intensität der Absenkungsimpulse in der NPS. - 5.4. Zur Frage einer säkulären Paläoschwelle im NE der DDR. - 5.5. Die Saxonsedimentation im Thüringer Wald und in der NPS. - 6. Folgearbeiten. - 7. Stellungnahme der Bereichsleitung ZIPE III (Geologie).
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  • 4
    Call number: ZSP-SCAR-570-4
    In: National Antarctic Research Report to SCAR, No. 4
    Type of Medium: Series available for loan
    Pages: 24 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 4
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 81-October 82. - II. Planned Activities, October 82-October 83. - References.
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  • 5
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 6
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/24
    In: CRREL Report, 82-24
    Description / Table of Contents: Velocity data derived from petroleum industry seismic records from Harrison Bay show that high-velocity material ( or = 2 km/s) interpreted to be ice-bonded permafrost is common. In the eastern part of the bay, the depth to high velocity material increases and velocity decreases in an orderly manner with increasing distance from shore until the layer is no longer apparent. The western part of the bay is less orderly, possibly reflecting a different geological and thermal history. This western part may be an inundated section of the low coastal plain characterized by the region north of Teshekpuk Lake, and could have contained deep thaw lakes, creating low velocity zones. Along some seismic lines, the high-velocity material extends approximately 25 km offshore. Two anomalies have been found which could be associated with rapidly degrading permafrost. One is strong attenuation, which was interpreted as an indication of gas in the shallow deposits. The other is the presence of considerable seismic noise, including identifiable small seismic events. The origin of this noise has not been positively established, and it is proposed that it may indicate that some movement is occurring in the sediments due to thaw.
    Type of Medium: Series available for loan
    Pages: 65 Seiten , Illustrationen
    Series Statement: CRREL Report 82-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods Reading records Refractions Reflections Rayleigh waves Spatial resolution Anomalies Results and discussion Seismic velocity distribution Attenuation Low-level natural seismicity Summary Literature cited Appendix A: Error estimates Appendix B: Velocity profiles Appendix C: Seismic cross sections
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  • 7
    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
    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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  • 8
    Monograph available for loan
    Monograph available for loan
    Köln : KOMET
    Call number: M 23.95503
    Type of Medium: Monograph available for loan
    Pages: 352 Seiten , Illustrationen , 31 cm
    ISBN: 9783898369923
    Language: German
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  • 9
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/23
    In: CRREL Report, 82-23
    Description / Table of Contents: A direct filtration, water treatment pilot plant was operated on the Kenai River at Soldotna, Alaska, during the summer of 1980. The purpose of the pilot plant operations was to determine the feasibility of the direct filtration process for removal of glacial silt. The major criterion used to determine feasibility was production of water containing less than 1.0 NTU of turbidity. For the range of raw water turbidities encountered (22-34 NTU), the pilot plant testing indicated that direct filtration was feasible and could be considered as an alternative to conventional waiter treatment plants containing sedimentation tanks.
    Type of Medium: Series available for loan
    Pages: 26 Seiten , Illustrationen
    Series Statement: CRREL Report 82-23
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric Introduction Glacial characteristics Water treatment Materials and methods Experimental design Pilot plant intake Hydrocyclone Chemical addition system Flocculation system Filtration system Pilot plant operations Coagulant chemical preparations Flow measurement Sampling Results and discussion Kenai River w ater quality Evaluation of pilot plant testing Performance of pilot plant elements Physical and chem ical variables Conclusions Recommendations Literature cited
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  • 10
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    Language: English
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  • 11
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/11
    In: CRREL Report, 82-11
    Description / Table of Contents: The purpose of this investigation was to provide data to be used in evaluating the effects of winter navigation on pro­cesses that cause bank erosion. The specific objectives were to document bank conditions and erosion sites along the rivers, to monitor and compare the amounts of winter and summer bank recession and change, and to estimate the amount of recession that occurred prior to winter navigation. Shoreline conditions and bank recession were documented during field surveys each spring and fall. Bank changes were evaluated by comparison to observations from a previous survey. Aerial photointerpretation was done to estimate the amount of bank recession that occurred prior to winter navigation. Three hundred forty-five miles of river shoreline were surveyed. Banks were eroding along 21.5 miles (6.2%). The common types of bank failures were soil falls (sloughing) and block sliding and slumping. The erosion along approxi­mately 15 miles (70%) of the 21.5 miles was occurring along reaches not bordering winter navigation channels.
    Type of Medium: Series available for loan
    Pages: v, 75 Seiten , Illustrationen
    Series Statement: CRREL Report 82-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Previous investigations Approach Shoreline conditions Bank changes Bank recession before winter navigation St. Marys River Bank changes Bank recession before winter navigation St. Clair River Bank changes Bank recession before winter navigation Detroit River Bank changes Bank recession before winter navigation St. Lawrence River Bank changes Historical bank recession Summary and conclusions Literature cited Appendix A: St. Marys River Appendix B: St. Clair River Appendix C: Detroit River Appendix D: St. Lawrence River
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  • 12
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 13
    Monograph available for loan
    Monograph available for loan
    Harpenden, Hertfordshire : Terra Publ
    Associated volumes
    Call number: 9/M 10.0426
    In: Classic geology in Europe
    Type of Medium: Monograph available for loan
    Pages: X, 271 S. , Ill., graph. Darst., Kt.
    ISBN: 1903544157 , 978-1-903544-15-0
    Series Statement: Classic geology in Europe 7
    Classification:
    Regional Geology
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  • 14
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : Cambridge Univ. Press [u.a.]
    Call number: 19/M 11.0090
    Description / Table of Contents: Contens: 1. Algebraic and analytic methods Ranjan Roy, Frank W. J. Olver, Richard A. Askey and Roderick S. C. Wong; 2. Asymptotic approximations Frank W. J. Olver and Roderick S. C. Wong; 3. Numerical methods Nico M. Temme; 4. Elementary functions Ranjan Roy and Frank W. J. Olver; 5. Gamma function Richard A. Askey and Ranjan Roy; 6. Exponential, logarithmic, sine and cosine integrals Nico M. Temme; 7. Error functions, Dawson's and Fresnel integrals Nico M. Temme; 8. Incomplete gamma and related functions Richard B. Paris; 9. Airy and related functions Frank W. J. Olver; 10. Bessel functions Frank W. J. Olver and Leonard C. Maximon; 11. Struve and related functions Richard B. Paris; 12. Parabolic cylinder functions Nico M. Temme; 13. Confluent hypergeometric functions Adri B. Olde Daalhuis; 14. Legendre and related functions T. Mark Dunster; 15. Hypergeometric function Adri B. Olde Daalhuis; 16. Generalized hypergeometric functions and Meijer G-function Richard A. Askey and Adri B. Olde Daalhuis; 17. q-Hypergeometric and related functions George E. Andrews; 18. Orthogonal polynomials Tom H. Koornwinder, Roderick S. C. Wong, Roelof Koekoek and Rene F. Swarttouw; 19. Elliptic integrals Bille C. Carlson; 20. Theta functions William P. Reinhardt and Peter L. Walker; 21. Multidimensional theta functions Bernard Deconinck; 22. Jacobian elliptic functions William P. Reinhardt and Peter L. Walker; 23. Weierstrass elliptic and modular functions William P. Reinhardt and Peter L. Walker; 24. Bernoulli and Euler polynomials Karl Dilcher; 25. Zeta and related functions Tom M. Apostol; 26. Combinatorial analysis David M. Bressoud; 27. Functions of number theory Tom M. Apostol; 28. Mathieu functions and Hill's equation Gerhard Wolf; 29. Lamé functions Hans Volkmer; 30. Spheroidal wave functions Hans Volkmer; 31. Heun functions Brian D. Sleeman and Vadim Kuznetsov; 32. Painlevé transcendents Peter A. Clarkson; 33. Coulomb functions Ian J. Thompson; 34. 3j,6j,9j symbols Leonard C. Maximon; 35. Functions of matrix argument Donald St. P. Richards; 36. Integrals with coalescing saddles Michael V. Berry and Chris Howls.
    Type of Medium: Monograph available for loan
    Pages: XV, 951 S. + 1 CD-ROM
    ISBN: 9780521140638
    Classification:
    Mathematics
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  • 15
    Monograph available for loan
    Monograph available for loan
    Cambridge : Cambridge University Press
    Call number: 9/M 10.0404
    Description / Table of Contents: Contents:1. Structural geology and structural analysis; 2. Deformation; 3. Strain in rocks; 4. Stress; 5. Stress in the lithosphere; 6. Rheology; 7. Fracture and brittle deformation; 8. Faults; 9. Kinematics and paleostress in the brittle regime; 10. Deformation at the microscale; 11. Folds and folding; 12. Foliation and cleavage; 13. Lineations; 14. Boudinage; 15. Shear zones and mylonites; 16. Contractional regimes; 17. Extensional regimes; 18. Strike-slip, transpression and transtension; 19. Salt tectonics; 20. Balancing and restoration
    Type of Medium: Monograph available for loan
    Pages: XV, 463 S. : zahlr. Ill., graph. Darst., Kt. , col. ill. , 28 cm
    ISBN: 9780521516648
    Classification:
    Tectonics
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  • 16
    Call number: 6/M 10.0386
    In: International Association of Geodesy symposia
    Description / Table of Contents: The symposium aimed at bringing together geodesists and geophysicists working in the general areas of gravity, geoid, geodynamics and Earth observation. Besides covering the traditional research areas, special attention was paid to the use of geodetic methods for: Earth observation, environmental monitoring, Global Geodetic Observing System (GGOS), Earth Gravity Models (e.g., EGM08), geodynamics studies, dedicated gravity satellite missions (i.e., GOCE), airborne gravity surveys, Geodesy and geodynamics in polar regions, and the integration of geodetic and geophysical information.
    Type of Medium: Monograph available for loan
    Pages: xxxiv, 701 S.
    ISBN: 9783642106330
    Series Statement: International Association of Geodesy symposia 135
    Classification:
    Geodesy
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  • 17
    Series available for loan
    Series available for loan
    Bonn : Hermann-von-Helmholtz-Gemeinschaft Deutscher Forschungszentren
    Associated volumes
    Call number: 3/S 06.0522(2010)
    In: Geschäftsbericht
    Type of Medium: Series available for loan
    Pages: 107 S.
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  • 18
    Call number: 5/M 11.0044
    Description / Table of Contents: The Earth's gravity and magnetic gravity fields play an important role in global and regional geodynamics. Research satellites such as CHAMP, GRACE, and GOCE apply new measurement techniques to recover gravity and magnetic fields with unprecedented accuracy and resolution in space and time. Combined with terrestrial observations and numerical models, this data will significantly improve a detailed understanding of the Earth as a coupled system of atmosphere, hydrosphere and solid Earth.In Germany, many of the processing, modelling and interpreting methodologies for these new observation techniques have been developed under the umbrella of the R&D-programme GEOTECHNOLOGIEN. The research projects focus on a better understanding of the spatial and temporal variations in the magnetic and gravity field and their relationship to the dynmaics of the Earth's interior and global change processes close to its surface.This volume presents the results of all multidisciplinary studies covered by this programme for the period 2005-2008, including the following topics:- Static and time variable gravity field models from CHAMP, GRACE and GOCE- Applications of GRACE , altimetry, GPS and other data for geophysical analyses- Contributions to the Global Geodetic Observing System (GGOS)- Atmospheric sounding by GPS radio occultation technique with CHAMP and GRACE- Observation of the Earth's magnetic field with CHAMPThus, it offers an up-to-date overview for a broad scientific community working in gravity field and Earth rotation research.
    Type of Medium: Monograph available for loan
    Pages: xx, 595 S.
    ISBN: 9783642102271
    Series Statement: Advanced techologies in earth sciences
    Classification:
    Geodesy
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  • 19
    Monograph available for loan
    Monograph available for loan
    London : The Geological Society
    Associated volumes
    Call number: 9/M 07.0421(345)
    In: Geological Society special publication
    Description / Table of Contents: Elevation data are a critical element in most geoscience applications. From geological mapping to modelling Earth systems and processes geologists need to understand the shape of the Earth's surface. Vast amounts of digital elevation data exist, from large-scale global to smaller scale regional datasets, and many datasets have been merged to improve scale and accuracy. For each application, decisions are made on which elevation data to use driven by cost, resolution and accuracy. This publication shows the current status of available digital elevation data and illustrates the key applications. The types of data assessed include: ASTER stereo satellite imagery, Shuttle Radar Topographic Mapping data, airborne laser and radar such as NEXTMap, and Multibeam Bathymetry. Applications covered include: glacial deposits, landslides, coastal erosion and other geological hazards. Technical issues discussed include: accuracy analysis, derived product creation, software comparisons and copyright considerations. This volume is a comprehensive look at elevation models for geoscience.
    Type of Medium: Monograph available for loan
    Pages: 148 S. : Ill., graph. Darst.
    ISBN: 9781862393134
    Series Statement: Geological Society special publication 345
    Classification:
    Cartography, Geographical Information Systems, GIS
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  • 20
    Call number: 13/ZSP-947(324)
    In: Proceedings of the integrated ocean drilling program [Elektronische Ressource]
    Type of Medium: Series available for loan
    Pages: 1 DVD
    Series Statement: Proceedings of the integrated ocean drilling program : Expedition reports 324
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  • 21
    Call number: 13/ZSP-947(320/321)
    In: Proceedings of the integrated ocean drilling program [Elektronische Ressource]
    Type of Medium: Series available for loan
    Pages: 1 DVD
    Series Statement: Proceedings of the integrated ocean drilling program : Expedition reports 320/321
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  • 22
    Series available for loan
    Series available for loan
    Associated volumes
    Call number: 3/S 01.0446(2009)
    In: Jahresbericht
    Type of Medium: Series available for loan
    Pages: 63 S.
    Language: German
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  • 23
    Call number: 19/N 11.0038/2
    In: Handbook of geomathematics
    Type of Medium: Monograph available for loan
    Pages: XIX S., S. 741-1350
    Series Statement: Handbook of geomathematics / Willi Freeden ... (eds.) vol. 2
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  • 24
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : Cambridge Univ. Press
    Call number: 16/M 11.0138
    Description / Table of Contents: Principles of Optics is one of the classic science books of the twentieth century, and probably the most influential book in optics published in the past 40 years. The new edition is the first ever thoroughly revised and expanded edition of this standard text. Among the new material, much of which is not available in any other optics text, is a section on the CAT scan (computerized axial tomography), which has revolutionized medical diagnostics. The book also includes a new chapter on scattering from inhomogeneous media which provides a comprehensive treatment of the theory of scattering of scalar as well as of electromagnetic waves, including the Born series and the Rytov series. The chapter also presents an account of the principles of diffraction tomography - a refinement of the CAT scan - to which Emil Wolf, one of the authors, has made a basic contribution by formulating in 1969 what is generally regarded to be the basic theorem in this field.
    Type of Medium: Monograph available for loan
    Pages: XXXIII, 952 S. , Ill., graph. Darst. , 25 cm
    Edition: 7., (expanded) ed., reprinted with corr., 6. print.
    ISBN: 9780521642224
    Classification:
    Physics
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  • 25
    Call number: NBM 11.0063
    In: Unterrichtsergänzende Medien [Elektronische Ressource]
    Type of Medium: Non-book medium
    Pages: 1 CD-ROM
    Series Statement: Unterrichtsergänzende Medien [Elektronische Ressource] / Deutsches GeoForschungsZentrum Potsdam (GFZ)
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  • 26
    Call number: NBM 11.0253
    In: Tagungsbericht / Deutsche Wissenschaftliche Gesellschaft für Erdöl, Erdgas und Kohle
    Type of Medium: Non-book medium
    Pages: 1 CD-ROM , Ill., graph. Darst., Kt. , 1 Beih. (VI S.) , 12 cm
    ISBN: 9783941721050
    Series Statement: Tagungsbericht / Deutsche Wissenschaftliche Gesellschaft für Erdöl, Erdgas und Kohle 2010,1
    Note: Beitr. teilw. dt., teilw. engl.
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  • 27
    Monograph available for loan
    Monograph available for loan
    Berlin : Helmholtz-Gemeinschaft Deutscher Forschungszentren
    Call number: 3/M 11.0271
    Description / Table of Contents: Bevölkerung und Wirtschaft nachhaltig mit Energie zu versorgen, stellt eine der zentralen Herausforderungen des 21. Jahrhunderts dar. Daher suchen Wissenschaftler nach Lösungen, Energie in ausreichender Menge bereitzustellen - zuverlässig, bezahlbar und ohne unsere natürlichen Lebensgrundlagen zu gefährden. Die Helmholtz Energieforschung stellt sich in seinem breitgefächerten Themenspektrum vor: Dünnschicht-Photovoltaik, Bioenergie, Geothermie, Fusion, Klimafreundliches thermisches Kraftwerk, Dezentrale Energiebereitstellung, Energieeffizienz in Verteilung und Anwendung, Nukleare Sicherheits- und Entsorgungsforschung, Speichertechnologie, Elektromobilität und mit dem Blick auf das Ganze: Technologie, Innovation und Gesellschaft.
    Type of Medium: Monograph available for loan
    Pages: 35 S. : überw. farb. Ill.
    Note: Energy research for tomorrow
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  • 28
    Monograph available for loan
    Monograph available for loan
    Heidelberg : dpunkt Verl.
    Call number: 18/M 12.0098
    Description / Table of Contents: Web Services sind heute als Basistechnologien einer SOA weitgehend akzeptiert. Sehr viele Projekte setzten direkt oder indirekt auf Web-Service-Technologien auf. Dabei reicht die Nutzung von einzelnen Services bis hin zu komplexen Integrationslösungen. Sie basieren allesamt auf gemeinsamen Spezifikationen und einem grundlegenden Know-how, sodass Architekten, Designer und Entwickler Web Services professionell und zum Vorteil des Auftraggebers einsetzen können.Innerhalb der Java-Welt existiert mit JAX-WS ein einheitlicher Standard, um Web Services zu beschreiben, und mit Metro ein produktionstauglicher Web Service Stack, der in vielen Service-Bus-Lösungen und auch zu Teilen im JDK enthalten ist. Beide Technologien dienen als Grundlage für die im Buch verwandten Beispielen. Ziel des Buches ist es, den aktuellen Stand der Spezifikationen und Implementierungen zu beschreiben und anhand eines durchgängigen Beispiels die praktische Nutzung aufzuzeigen. Der Leser erhält eine Einführung in die aktuellen WS-Technologien und lernt, diese in einer diensteorientierten Architektur einzusetzen. Gängige, aber in der Literatur seltener zu findende Interoperabilitäts-Thematiken, wie sie z.B. in Policies, WSIT (Web Services Interoperability Technologies) und Microsoft . NET vorkommen, werden ebenso behandelt.Die Autoren legen größtes Augenmerk auf schrittweise Anleitung, Konzentration auf das Wesentliche und verständliche Vermittlung des Stoffes, um diese zukunftsweisende Technologie auch Einsteigern zugänglich zu machen. Sie erhalten so die Möglichkeit, sich das Thema Kapitel für Kapitel zu erarbeiten. Erfahrene Leser können die jeweils benötigten Informationen auswählen.
    Type of Medium: Monograph available for loan
    Pages: XVI, 432 Seiten
    ISBN: 9783898645966
    Classification:
    Informatics
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  • 29
    Monograph available for loan
    Monograph available for loan
    Chichester [u.a.] : Wiley-Blackwell
    Call number: 1.10/M 12.0332
    Description / Table of Contents: This book provides an introduction to HCI and usability aspects of Geographical Information Systems and Science. Its aim is to introduce the principles of Human-Computer Interaction (HCI); to discuss the special usability aspects of GIS which designers and developers need to take into account when developing such systems; and to offer a set of tried and tested frameworks, matrices and techniques that can be used within GIS projects. Geographical Information Systems and other applications of computerised mapping have gained popularity in recent years. Today, computer-based maps are common on the World Wide Web, mobile phones, satellite navigation systems and in various desktop computing packages. The more sophisticated packages that allow the manipulation and analysis of geographical information are used in location decisions of new businesses, for public service delivery for planning decisions by local and central government. Many more applications exist and some estimate the number of people across the world that are using GIS in their daily work at several millions. However, many applications of GIS are hard to learn and to master.This is understandable, as until quite recently, the main focus of software vendors in the area of GIS was on the delivery of basic functionality and development of methods to present and manipulate geographical information using the available computing resources. As a result, little attention was paid to usability aspects of GIS. This is evident in many public and private systems where the terminology, conceptual design and structure are all centred around the engineering of GIS and not on the needs and concepts that are familiar to the user. This book covers a range of topics from the cognitive models of geographical representation, to interface design. It will provide the reader with frameworks and techniques that can be used and description of case studies in which these techniques have been used for computer mapping application.
    Type of Medium: Monograph available for loan
    Pages: XIV, 296, [16] S. , Ill., graph. Darst., Kt.
    ISBN: 0470998245
    Classification:
    Cartography, Geographical Information Systems, GIS
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  • 30
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : Cambridge Univ. Press
    Call number: 2/M 13.0085
    Type of Medium: Monograph available for loan
    Pages: XXIV, 324 S. , 24 cm
    ISBN: 9780521131728
    Classification:
    E.7.
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  • 31
    Call number: 20-2/M 13.0091
    Description / Table of Contents: This book is an interdisciplinary review of recent developments in topics including origin of life, microbial-mineral interactions, and microbial processes functioning in marine and terrestrial environments. A major component of this book addresses molecular techniques to evaluate microbial evolution and assess relationships of microbes in complex, natural communities. The function of microbial community members and their possible geological impact are evaluated from a perspective of (meta)genomics, (meta)proteomics, and isotope labeling. As well as summarizing current knowledge in various areas, it also reveals unresolved questions that require future investigations. These chapters enhance our fundamental knowledge of geomicrobiology that contributes to the exploitation of microbial functions in mineral and environmental biotechnology applications. Authors have provided skillful reviews and outlined unique perspectives on environmental microorganisms and their related processes.
    Description / Table of Contents: 1. Chemoautotrophic origin of life: the Iron-Sulfur World Hypothesis; Gunter Wachtershauser 2. Evolution of metabolic pathways and evolution of genomes; Giovanni Emiliani, Marco Fondi, Pietro Lio, and Renato Fani 3. Novel cultivation strategies for environmentally important microorganisms; Jorg Overmann 4. Environmental proteomics: Studying structure and function of microbial communities; Thomas Schneider and Kathrin Riedel 5. Analysis of microbial communities by functional gene arrays; Jizhong Zhou, Zhili He, and Joy D. Van Nostrand 6. Probing identity and physiology of uncultured microorganisms with isotope labeling techniques; Alexander Loy and Michael Pester 7. The geomicrobiology of arsenic; Rhesa N. Ledbetter and Timothy S. Magnuson 8. Bioinformatics and genomics of iron- and sulfur-oxidizing acidophiles; Violaine Bonnefoy 9. The geomicrobiology of catastrophe: a comparison of microbial colonization in post-volcanic and impact environments; Charles S. Cockell 10. Microbial diversity of cave ecosystems; Annette S. Engel 11. Statistical evaluation of bacterial 16S rRNA gene sequences in relation to travertine mineral precipitation and water chemistry at Mammoth Hot Springs, Yellowstone National Park, USA; Hector Garcia Martin, John Veysey, George T. Bonheyo, Nigel Goldenfeld and Bruce W. Fouke 12. Compositional, physiological and metabolic variability in microbial communities associated with geochemically diverse, deep-sea hydrothermal vent fluids; Ken Takai and Kentaro Nakamura 13. The molecular geomicrobiology of bacterial manganese(II) oxidation; Bradley M. Tebo, Kati Geszvain and Sung-Woo Lee 14. Role of microorganisms in banded iron formations; Inga Koehler, Kurt Konhauser and Andreas Kappler 15. Synergistic roles of microorganisms in mineral precipitates associated with deep sea methane seeps; Huifang Xu 16. Bacterial degradation of polychlorinated biphenyls; Martina Mackova, Ondrej Uhlik, Petra Lovecka, Jitka Viktorova, Martina Novakova, Katerina Demnerova, Michel Sylvestre and Tomas Macek 17. Role of clay and organic matter in the biodegradation of organics in soil; Laura E. McAllister and Kirk T. Semple 18. Electrodes as electron acceptors, and the bacteria who love them; Daniel R. Bond 19. The biogeochemistry of biomining; Barrie D. Johnson
    Type of Medium: Monograph available for loan
    Pages: XIV, 437 S. : Ill., graph. Darst. , Ill., graph. Darst. , 235 mm x 155 mm
    ISBN: 9789048192038
    Classification:
    D.8.
    Note: Erscheinungsjahr in Vorlageform:2010
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  • 32
    Monograph available for loan
    Monograph available for loan
    Washington, DC : US Gov. Print. Off.
    Associated volumes
    Call number: 20/S 91.0908(2011)
    In: The astronomical almanac
    Type of Medium: Monograph available for loan
    Pages: getr. Zähl.
    ISBN: 9780707741031
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  • 33
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 34
    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
    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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  • 35
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 36
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 37
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 38
    Series available for loan
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/12
    In: CRREL Report, 82-12
    Description / Table of Contents: From a high-quality set of velocity, temperature, and humidity profiles collected upwind and downwind of a step change in surface roughness, temperature, and moisture, we have calculated upwind and downwind values of the heat fluxes and friction velocity. The surface change is from smooth to rough; upwind, the sensible heat flux is upward and the latent heat flux is zero; downwind, the surface is well-watered so that the latent heat flux is upward while the sensible heat flux is downward. The downwind latent heat flux in this fetch-limited flow obeys NL=0.08 Rx 0.76 where NL is the latent heat Nusselt number and Rx is the fetch Reynolds number, a parameter for characterizing fetch-limited flows. Because this relation is virtually the same as one found to describe the sensible heat and condensate fluxes over arctic leads, we conclude that the Nusselt numbers nondimensionalizing scalar fluxes are the same for a given fetch Reynolds number when boundary conditions are similar.
    Type of Medium: Series available for loan
    Pages: vii, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 82-12
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Upwind: flux gradient method Downwind: integral method ResulIts Energy budget Latent heat flux Surface stress Downwind humidity profiles Discussion Conclusions Literature cited
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  • 39
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/10
    In: CRREL Report, 82-10
    Description / Table of Contents: Dielectric measurements have been performed on silt and sand samples from permafrost areas using Time Domain Reflectometry. The sample temperatures were varied from +25 °C to -25 °C, and volumetric water content was varied between oven-dry and 0.55 gH2O/cm3. The data were processed for frequencies between 0.1 and 5.0 GHz. The results show a constant K' and a low K' for frequencies up to 1 GHz. A frequency dependence seen on the data above 2 GHz is probably the result of unfrozen, adsorbed water. At moisture levels near saturation at all temperatures, these soils have excellent propagation characteristics for ground-probing radar operating below 0.3 GHz. Massive ice should be easily detectable in permafrost within a few degrees of 0 °C.
    Type of Medium: Series available for loan
    Pages: 7 Seiten , Illustrationen
    Series Statement: CRREL Report 82-10
    Language: English
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  • 40
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 41
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 42
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    Language: English
    Note: CONTENTS Abstract Introduction Profiling system Theoretical considerations Field program Discussion Literature cited
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  • 43
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 44
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    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
    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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  • 45
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    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.
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    Pages: 27 Seiten , Illustrationen
    Series Statement: CRREL Report 82-29
    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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  • 46
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    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
    Language: English
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  • 47
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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
    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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  • 48
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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
    Language: English
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  • 49
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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.
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    Pages: 15 Seiten , Illustrationen
    Series Statement: CRREL Report 82-32
    Language: English
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  • 50
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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
    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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  • 51
    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
    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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  • 52
    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.
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    Pages: 8 Seiten , Illustrationen
    Series Statement: CRREL Report 82-15
    Language: English
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  • 53
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    Call number: ZSP-201-82/9
    In: CRREL Report, 82-9
    Description / Table of Contents: This study deals with the distribution of forces along the converging boundaries of the Port Huron, Michigan, region where unconsolidated ice in Lake Huron is held against wind and water stresses. An experimental basin was built to induce uniform shear stress on the model ice cover by flowing water beneath the ice. The boundary segments, which held the ice cover in the region, were instrumented to measure force in the normal and tangential directions. The distribution of normal forces along the boundary was compared with as distribution derived by using a theoretical model. An ice control structure (ICS) was installed in the basin and experiments were conducted to measure the forces on the ICS and the ice release through the opening in the ICS during simulated ship passages. The experimental results are presented in a nondimensional form. In addition, the force per unit length on the ICS and the area of ice released through its opening were estimated for the expected wind conditions at the Port Huron site.
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    Pages: v, 27 Seiten , Illustrationen
    Series Statement: CRREL Report 82-9
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Theoretical models Case 1 Case 2 Case 3 Experimental program Experimental facility Scaling factors Experimental results Analysis of wind data for lower Lake Huron Summary and conclusions Release of ice through the opening of an ICS Ice forces on the ice control structure Ice forces on ice control structure from a large unconsolidated ice cover Literature cited Appendix A. Equation for the stress resultants and velocities of the ice cover Appendix B. Monthly summary of wind data at Port Huron
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  • 54
    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
    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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  • 55
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/17
    In: CRREL Report, 82-17
    Description / Table of Contents: Seismic P and SH wave refraction experiments at the NATO RSG-11 test site in Munster Nord, Federal Republic of Germany, reveal the presence of a nearly horizontal, three-layer velocity structure. The upper layer, composed of un­consolidated glacial till, is 1 m thick and has P (compressional) and SH (shear-horizontal) wave velocities of 240 and 165 m s-1. The second layer, made up of similar, more compacted material, is 9.5 m thick, with a P wave velocity of 470 m s-1 and an SH wave velocity of 275 m s-1. The third layer, interpreted as the groundwater table, is located at a depth of 10.5 m and has a P wave velocity of 1590 m s-1. The SH wave velocity of this layer is controlled by the matrix material and is the same as that of the second layer. A single, unreversed observation indicated a fourth layer at a depth of about 20 m, but the existence of this layer remains unconfirmed. The observed fundamental mode Love wave dispersion is in agreement with the theoretical dispersion predicted by the refraction velocities. Computed partial derivatives of phase velocity with respect to shear wave velocity show, for the frequencies observed, that the dispersion confirms the thicknesses and velocities of the two upper layers and is not affected by the deeper structure.
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    Pages: iv, 33 Seiten , Illustrationen
    Series Statement: CRREL Report 82-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction Refraction experiments Procedure Equipment Results P waves Low velocity zone SH waves Surface wave experiments Summary and discussion Literature cited Appendix A: P wave refraction data Appendix B: SH wave refraction data. Appendix C: Surface wave dispersion calculations
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  • 56
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    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
    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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  • 57
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    Call number: ZSP-201-82/21
    In: CRREL Report, 82-21
    Description / Table of Contents: The acoustic emission response from fine-grained polycrystalline ice subjected to constant compressive loads was examined. A number of tests were conducted with the nominal stress ranging from 0.8 to 3.67 MPa at a temperature of -5 C. The acoustic emission response was recorded and the data are presented with respect to time and strain. The source of acoustic emissions in ice is considered in terms of the formation of both microfractures and visible fractures that develop without catastrophic failure of the ice. A model to describe the acoustic emission response is developed.
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    Pages: iv, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 82-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Experimental procedures Ice specimens Mechanical test equipment Acoustic emission equipment Data recording Acoustic emission sources in ice Acoustic events and visible fracturing Source mechanisms Tests on ice single crystals General acoustic emission response Analysis of data Transient response Steady-state response Amplitude distribution Combined transient and steady-state response in the time domain Discussion Summary Literature cited
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  • 58
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    Call number: ZSP-201-82/1
    In: CRREL Report, 82-1
    Description / Table of Contents: On 27 March 1964 a major earthquake struck Southern Alaska. The city of Anchorage, which contained a large part of Alaska's population, suffered loss of life and destruction of property. The time of the day, the season, and ground conditions were such that loss of life and property was minimized. The frozen ground and the ice on fresh waster bodies responded to the earthquake shocks in a seldom-observable pattern, which was noted and recorded. Changes of sea level and slides into the sea were responsible for waterfront destruction. It is concluded that the main factor that limited structural damage was the frozen state of the ground.
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    Pages: iv, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 82-1
    Language: English
    Note: CONTENTS Abstract Preface Abstract of events Earthquakes and frozen ground The response of freshwater ice sheets to earthquake shock The earthquake disturbance in glaciated mountains Disturbed wildlife Tidal waves Summary Literature cited
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  • 59
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    Call number: ZSP-201-82/3
    In: CRREL Report, 82-3
    Description / Table of Contents: The conditions that lead to initial breakup of a solid ice on a river due to rapid water level variations are analyzed. The analysis is based on the theory of beams on an elastic foundation. First cracking is assumed to occur when the bending moment induced in the ice cover by the wave exceeds the flexural strength of the ice cover.
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    Pages: iv, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 82-3
    Language: English
    Note: CONTENTS Abstract Preface Symbols Introduction Purpose of the study Stating the problem Fracturing of the ice cover due to the passage of surge waves Basic assumptions Derivation of the bending moments Determination of the wave characteristics Deflection of the ice Discussion and field observations Summary Literature cited
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  • 60
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    Call number: ZSP-201-82/4
    In: CRREL Report, 82-4
    Description / Table of Contents: Several proposed methods for treating the momentum flux between drifting sea ice and the underlying ocean are interpreted in terms of simple planetary-boundary-layer (PBL) turbulence theory. The classical two-layer approach, in which the solution for a thin surface layer is matched to an Ekman solution for the outer layer, is used to derive several forms of the drag law. These forms range from linear (where stress is proportional to relative speed), through quadratic (where stress is proportional to relative speed squared), to a Rossby-similarity law like that used to express frictional drag on geostrophic wind in the atmosphere. Only formulations which conform with Rossby-similarity scaling are consistent with free-drift data from the 1975 AIDJEX drift station experiment.
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    Pages: iv, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 82-4
    Language: English
    Note: CONTENTS Abstract Preface Background Hierarchy of drag laws and simple models The momentum equation for the planetary boundary layer Linear eddy viscosity - the constant stress layer Two-layer eddy viscosity PBL scaling A dimensionless two-layer system A dimensionless two-layer system with modified stress Evaluating the drag laws Rossby similarity parameters and buoyancy effects Discussion Literature cited
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  • 61
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    Call number: ZSP-201-82/5
    In: CRREL Report, 82-5
    Description / Table of Contents: The problem of simultaneous heat and mass transfer in a homogeneous snow layer, with one side kept at its initial temperature and the other side with a step temperature increase, was solved for the case of constant through-flow conditions. An experimentally determined effective thermal conductivity function, i.e. Ke = 0.0014 + 0.58 G (where G is dry mass flow rate of air in g/sq cm-s), was employed in the solution. The computed nondimensional temperature distribution agreed quite well with experimental data taken under pseudo-steady state conditions with the exception of the temperature for the lowest flow rate used in the experiment. The pronounced nonlinearity of the temperature distribution was found to be a strong function of the flow rate. For sinusoidal variation of atmospheric pressure, the responding flow in the snow medium was also found to be sinusoidal. In conjunction with the diurnal temperature change, this variation facilitated the process of repeated sublimation and condensation in alternate directions and thereby produced a surface layer of approximately constant snow density.
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    Pages: v, 10 Seiten , Illustrationen
    Series Statement: CRREL Report 82-5
    Language: English
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  • 62
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    Call number: ZSP-201-82/6
    In: CRREL Report, 82-6
    Description / Table of Contents: The interpretation of continuous radar profiles requires an alternative geophysical means of obtaining ground dielectric information. Ground dielectric properties were measured using wide-angle reflection and refraction (WARR) soundings with a ground-probing radar set that transmits pulses f a few nanoseconds duration. The investigations, carried out over sandy gravel in interior Alaska, provided dielectric data to about a 5-m depth. The WARR soundings were displayed as individual traces allowing interference between separate events and dispersion to be observed, and the soundings were compared with continuous radar and resistivity profiles conducted concurrently to extract the maximum amount of dielectric information. The dielectric constants, derived mainly from the direct ground waves propagating along the surface, ranged from 2.9 to 7.4. Dielectric values interpreted for one site predicted the possibility of a refracted event which may have occurred during one of the soundings.
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    Pages: iii, 11 Seiten , Illustrationen
    Series Statement: CRREL Report 82-6
    Language: English
    Note: CONTENTS Abstract Preface Introduction Theory of ground wave propagation from a horizontal electric dipole Equipment and methods Results Site 1 Site 2 Site 3 Summary and concluding remarks Literature cited
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  • 63
    Call number: 8/M 10.0208
    Type of Medium: Monograph available for loan
    Pages: 110 S. , Ill., graph. Darst.
    ISBN: 9783510652600
    Classification:
    B..
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  • 64
    Call number: 9/M 07.0421(336)
    In: Geological Society special publication
    Description / Table of Contents: Our understanding of calcium carbonate precipitation within freshwater carbonate systems is being revolutionized by new quantitative approaches at both field and laboratory scale. These systems cover a diverse range of topical research areas including tufas, speleothems, stromatolites and microbial processes. Progress by various international research groups has been impressive, with major contributions to such areas as climate change, absolute dating, carbon sequestration, and biofilm construction and precipitation. A diverse sample of interrelated research is presented that provides a tantalizing glimpse of the interplay between microbial, geochemical and physical processes that control the development of tufas and speleothems.This volume will provide a cross-disciplinary platform that will stimulate further exchanges about new concepts, methodologies and interpretations associated with freshwater carbonates. In particular, it will help reinforce the importance of cross-discipline research: the driving force behind the new field of Geobiology.
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    Pages: XI, 362 S.
    ISBN: 9781862393011
    Series Statement: Geological Society special publication 336
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  • 65
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    London : The Geological Society
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    Call number: 9/M 07.0421(334)
    In: Geological Society special publication
    Description / Table of Contents: The Mesozoic Era begins with the approximately 50-million-year-long Triassic Period, a major juncture in Earth history when the vast Pangaean supercontinent completed its assembly and began its fragmentation, and the global biota diversified and modernized after the end-Permian mass extinction, the most extensive biotic decimation of the Phanerozoic. The temporal ordering of geological and biotic events during Triassic time thus is critical to the interpretation of some unique and pivotal events in Earth history. This temporal ordering is mostly based on the Triassic timescale, which has been developed and refined for nearly two centuries. This book reviews the state of the art of the Triassic timescale and includes comprehensive analyses of Triassic radio-isotopic ages, magnetostratigraphy, isotope-based and cyclostratigraphic correlations and timescale -relevant marine and non-marine biostratigraphy.
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    Pages: 514 S.
    ISBN: 9781862392960
    Series Statement: Geological Society Special Publication 334
    Classification:
    Stratigraphy
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  • 66
    Call number: PIK CD-10-0139 ; NBM 10.0267
    In: ALTER-Net Summer School
    Type of Medium: Non-book medium
    Pages: 1 CD-ROM
    Series Statement: ALTER-Net Summer School
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  • 67
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    Call number: 3/S 00.0292(2009)
    In: Jahresbericht / Bundesanstalt für Materialforschung und -prüfung (BAM)
    Type of Medium: Series available for loan
    Pages: 111 S. + 1 CD-ROM
    Edition: Stand: 15. März 2010
    Classification:
    Engineering
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  • 68
    Monograph available for loan
    Monograph available for loan
    Associated volumes
    Call number: 1.10/M 10.0257/1
    In: Thematic cartography
    Type of Medium: Monograph available for loan
    Pages: XXII, 463 S. , Ill., graph. Darst., Kt.
    ISBN: 9781848211100
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  • 69
    Call number: 9/M 07.0421(339)
    In: Geological Society special publication
    Description / Table of Contents: The invasion of the land by plants ('terrestrialization') was one of the most significant evolutionary events in the history of life on Earth, and correlates in time with periods of major palaeoenvironmental perturbations. The development of a vegetation cover on the previously barren land surfaces impacted on the global biogeochemical cycles and the geological processes of erosion and sediment transport. The terrestrialization of plants preceded the rise of major new groups of animals, such as insects and tetrapods, the latter numbering some 24 000 living species, including ourselves. Early land-plant evolution also correlates with the most spectacular decline of atmospheric CO2 concentration of Phanerozoic times and with the onset of a protracted period of glacial conditions on Earth. This book includes a selection of papers covering different aspects of the terrestrialization, from palaeobotany to vertebrate palaeontology and geochemistry, promoting a multidisciplinary approach to the understanding of the co-evolution of life and its environments during Early to Mid-Palaeozoic times.
    Type of Medium: Monograph available for loan
    Pages: 187 S.
    ISBN: 9781862393097
    Series Statement: Geological Society special publication 339
    Classification:
    Paleontology
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  • 70
    Call number: 9/M 07.0421(341)
    In: Geological Society special publication
    Description / Table of Contents: This volume combines original data in various fields from the offshore Levant Basin and adjacent continental slopes and platforms. The first group of papers document the tectonic structures and sedimentological patterns associated with the development of the Levant Basin. They identify the successive rifting events from the Late Palaeozoic to the Early Cretaceous, followed by a moderate tectonic activity. The contribution of external factors like global sea-level and climate changes to the sedimentation processes during the Mid-Cretaceous is discussed in the second set of papers. The final group presents new kinematics and age constraints on the Late Cretaceous to Neogene tectonic phases and discusses the relationship of the structures with the closure of the Neo-Tethys and separation of the Arabia plate. This collection of research papers demonstrates new concepts on the opening and crustal thinning of the Levant Basin and gives updated interpretations of the latter tectonic structures of the Levant.
    Type of Medium: Monograph available for loan
    Pages: vii, 338 S.
    ISBN: 9781862393066
    Series Statement: Geological Society special publication 341
    Classification:
    Regional Geology
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  • 71
    Call number: 21/STR 10/08
    In: Scientific technical report
    Type of Medium: Series available for loan
    Pages: 268 S. : Ill., graph. Darst.
    Series Statement: Scientific technical report / Deutsches GeoForschungsZentrum GFZ 10/08
    Classification:
    Photogrammetry, Remote Sensing
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  • 72
    Call number: 21/STR 10/04
    In: Scientific technical report
    Type of Medium: GFZ publications
    Pages: 35 S. : Ill., graph. Darst.
    Series Statement: Scientific technical report / Deutsches GeoForschungsZentrum GFZ 10/04
    Classification:
    Seismology
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  • 73
    Monograph available for loan
    Monograph available for loan
    Jülich : Forschungszentrum
    Call number: 12/M 10.0106 ; 12/M 11.0023
    Type of Medium: Monograph available for loan
    Pages: 206 S. , zahlr. Ill., graph. Darst., Kt.
    ISBN: 9783893365890
    Classification:
    Meteorology and Climatology
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  • 74
    Monograph available for loan
    Monograph available for loan
    London : The Geological Society
    Associated volumes
    Call number: 9/M 07.0421(346)
    In: Geological Society special publication
    Description / Table of Contents: Australian Landscapes provides an up-to-date statement on the geomorphology of Australia. Karst, desert, bedrock rivers, coasts, submarine geomorphology, biogeomorphology and tectonics are all covered, aided by the latest geochronological techniques and remote sensing approaches. The antiquity and enduring geomorphological stability of the Australian continent are emphasized in several chapters, but the cutting-edge techniques used to establish that stability also reveal much complexity, including areas of considerable recent tectonic activity and a wide range of rates of landscape change.
    Type of Medium: Monograph available for loan
    Pages: VII, 328 S. : Ill., graph. Darst.
    ISBN: 9781862393141
    Series Statement: Geological Society special publication 346
    Classification:
    Regional Geology
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  • 75
    Call number: 21/M 10.0236
    Type of Medium: GFZ publications
    Pages: 25 S.
    Series Statement: Sonderveröffentlichungen / Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum
    Classification:
    Geodesy
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  • 76
    Call number: 1.10/M 10.0136
    Description / Table of Contents: Cartography and geographic information (GI) are remarkably appropriate for early warning (EW) and crises management (CM) needs. Use of geospatial technology has tremendously increased in the last several years. ICT has changed from just using maps created in advance to new approaches allowing individuals (decision-makers) to use cartography interactively, on the basis of individual users requirement. The new generation of cartographic visualizations based on standardisation, formal modelling, use of sensors, semantics and ontology, allows for better adaptation of information to the needs of the users. To design a new culture in pre-disaster and disaster management it is also needed to consider safety/security/privacy aspects of institutions and citizens. All this can be achieved only by demonstrating new research achievements, sharing best practices (e.g. in the health area) and working towards wider society acceptance of geospatial technology (e.g. with the help education and media).This book will outline research frontiers and applications of cartography and GI in EW and CM and document their roles and potentials in wider processes going on in information/knowledge-based societies.
    Type of Medium: Monograph available for loan
    Pages: xxii, 446 S.
    ISBN: 9783642034411
    Series Statement: Lecture notes in geoinformation and cartography
    Classification:
    B..
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  • 77
    Call number: 4/M 10.0184 ; M 10.0185 ; M 10.0186
    Type of Medium: Monograph available for loan
    Pages: 367 Seiten , Illustrationen, Karten
    ISBN: 978-3-00-029808-0
    Location: Reading room
    Location: Upper compact magazine
    Location: Upper compact magazine
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  • 78
    Monograph available for loan
    Monograph available for loan
    Hamburg : Carlsen
    Call number: 4/M 10.0195
    Description / Table of Contents: Wie bringt man 14 Milliarden Jahre Weltgeschichte in ein Buch? Diese Frage hat sich der Berliner Zeichner Jens Harder gestellt und beantwortet: Indem man auf 350 Seiten den Beginn unseres Universums mit dem Urknall, die Entstehung des Planeten Erde und die Evolution der Pflanzen- und Tierwelt in Bildern umsetzt. Mit Texten geht er sparsam um, nur an wenigen Stellen finden sich kurze Passagen. Dafür fädelt er auf diesen historischen Faden Darstellungen aus allerlei Schöpfungsmythen und verquickt so Naturwissenschaft und menschliche Vorstellungswelt. Am Ende des Buches steht der Mensch. Der Band "Alpha - directions" erschien zuerst beim französischen Verlag Actes Sud und ist der Auftakt zu einer mehrere Bände umfassenden Reihe über Entstehung, Geschichte und Zukunft des Menschen.
    Type of Medium: Monograph available for loan
    Pages: 352 S. : überw. Ill.
    ISBN: 9783551789808
    Language: German
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  • 79
    Call number: 18/M 10.0194
    Type of Medium: Monograph available for loan
    Pages: XIII, 355 S. , Ill., graph. Darst.
    Edition: 2. Aufl.
    ISBN: 9783897219199
    Classification:
    Informatics
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  • 80
    Monograph available for loan
    Monograph available for loan
    Heidelberg : Spektrum Akad. Verl.
    Call number: 1.2/M 10.0204 ; 1.2/2010/18
    Type of Medium: Monograph available for loan
    Pages: 220 S. , Ill., graph. Darst., Kt.
    Edition: 12., überarb. und erw. Aufl.
    ISBN: 9783827418104
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  • 81
    Monograph available for loan
    Monograph available for loan
    London : The Geological Society
    Associated volumes
    Call number: 9/M 07.0421(347)
    In: Geological Society special publication
    Description / Table of Contents: Reservoir compartmentalization the segregation of a petroleum accumulation into a number of individual fluid/pressure compartments controls the volume of moveable oil or gas that might be connected to any given well drilled in a field, and consequently impacts booking of reserves and operational profitability. This is a general feature of modern exploration and production portfolios, and has driven major developments in geoscience, engineering and related technology. Given that compartmentalization is a consequence of many factors, an integrated subsurface approach is required to better understand and predict compartmentalization behaviour, and to minimize the risk of it occurring unexpectedly. This volume reviews our current understanding and ability to model compartmentalization. It highlights the necessity for effective specialist discipline integration, and the value of learning from operational experience in: detection and monitoring of compartmentalization; stratigraphic and mixed-mode compartmentalization; and fault-dominated compartmentalization.
    Type of Medium: Monograph available for loan
    Pages: VI, 362 S. : farb. Ill., graph. Darst.
    ISBN: 9781862393165
    Series Statement: Geological Society special publication 347
    Classification:
    Deposits
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  • 82
    Monograph available for loan
    Monograph available for loan
    Associated volumes
    Call number: 1.10/M 10.0257/3
    In: Thematic cartography
    Type of Medium: Monograph available for loan
    Pages: VIII, 291 S. , Ill., graph. Darst., Kt.
    ISBN: 9781848211124
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  • 83
    Non-book medium
    Non-book medium
    Potsdam : Koordinierungsbüro GEOTECHNOLOGIEN
    Call number: NBM 10.0269
    Type of Medium: Non-book medium
    Pages: 1 DVD : farb. ; (12 cm)
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  • 84
    Monograph available for loan
    Monograph available for loan
    Birmingham [u.a.] : Packt Publ.
    Call number: 18/M 10.0213
    Type of Medium: Monograph available for loan
    Pages: xx, 663 S.
    ISBN: 9781849510387
    Classification:
    Informatics
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  • 85
    Call number: ILP/M 10.0206
    In: Tectonophysics
    Type of Medium: Monograph available for loan
    Pages: VI, 238 S. : z.T. farb. Ill., graph. Darst.
    Series Statement: Tectonophysics Vol. 482, Iss. 1-4 : Special issue
    Language: English
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  • 86
    Call number: 21/STR 10/10
    In: Scientific technical report
    Type of Medium: Series available for loan
    Pages: 239 S.
    Series Statement: Scientific technical report / Deutsches GeoForschungsZentrum GFZ 10/10
    Classification:
    Hydrology
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  • 87
    Call number: 1.10/M 10.0257/2
    In: Thematic cartography
    Type of Medium: Monograph available for loan
    Pages: X, 408 S. , Ill., graph. Darst., Kt.
    ISBN: 9781848211117
    Series Statement: Geographical information systems series
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  • 88
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : Cambridge Univ. Press
    Call number: 9/M 11.0074
    Description / Table of Contents: Presenting a rigorous treatment of the physical and mechanical basis for the modelling of sedimentary basins, this book supplies geoscientists with practical tools for creating their own models. It begins with a thorough grounding in properties of porous media, linear elasticity, continuum mechanics and rock compressibility. Chapters on heat flow, subsidence, rheology, flexure and gravity consider sedimentary basins in the context of the Earth's lithosphere, and the book concludes with coverage of pore space cementation, compaction and fluid flow. The volume introduces basic, state-of-the-art models and demonstrates how to reproduce results using tools like MATLAB and Octave. Main equations are derived from first principles, and their basic solutions obtained and then applied.
    Type of Medium: Monograph available for loan
    Pages: XV, 527 S. , Ill., graph. Darst.
    ISBN: 0521761255 , 978-0-521-76125-3
    Classification:
    Sedimentology
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  • 89
    Monograph available for loan
    Monograph available for loan
    New York, NY : Columbia Univ. Press
    Call number: 12/M 10.0313
    Description / Table of Contents: The field of paleoclimatology relies on physical, chemical, and biological proxies of past climate changes that have been preserved in natural archives such as glacial ice, tree rings, sediments, corals, and speleothems. Paleoclimate archives obtained through field investigations, ocean sediment coring expeditions, ice sheet coring programs, and other projects allow scientists to reconstruct climate change over much of earth's history. When combined with computer model simulations, paleoclimatic reconstructions are used to test hypotheses about the causes of climatic change, such as greenhouse gases, solar variability, earth's orbital variations, and hydrological, oceanic, and tectonic processes. This book is a comprehensive, state-of-the art synthesis of paleoclimate research covering all geological timescales, emphasizing topics that shed light on modern trends in the earth's climate. Thomas M.Cronin discusses recent discoveries about past periods of global warmth, changes in atmospheric greenhouse gas concentrations, abrupt climate and sea-level change, natural temperature variability, and other topics directly relevant to controversies over the causes and impacts of climate change.
    Type of Medium: Monograph available for loan
    Pages: XVIII, 441 S. , Ill., graph. Darst., Kt.
    ISBN: 9780231144940
    Classification:
    Meteorology and Climatology
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  • 90
    Monograph available for loan
    Monograph available for loan
    London [u.a.] : Longman
    Associated volumes
    Call number: 11/M 94.0299 ; M 93.0253
    In: Rock-forming minerals
    Type of Medium: Monograph available for loan
    Pages: 919 S.
    Edition: 2nd ed
    ISBN: 0582465265
    Classification:
    Mineralogy
    Language: English
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  • 91
    Call number: ILP/M 06.0270
    In: Publication of the International Lithosphere Programme
    Type of Medium: Monograph available for loan
    Pages: 32 S. : graph. Darst.
    Series Statement: Publication of the International Lithosphere Programme 105
    Language: English
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  • 92
    Monograph available for loan
    Monograph available for loan
    Dordrecht [u.a.] : Springer
    Associated volumes
    Call number: 11/M 16.89756
    In: Theory and applications of transport in porous media
    Description / Table of Contents: This book presents the basic principles of soil dynamics, and a variety of solutions of practical interest for geotechnical engineering, geophysics and earthquake engineering. Emphasis is on analytical solutions, often including the full derivation of the solution, and giving the main parts of computer programs that can be used to calculate numerical data. Reference is also made to a website from which complete computer programs can be downloaded. Soil behaviour is usually assumed to be linear elastic, but in many cases the effect of viscous damping or hysteretic damping, due to plastic deformations, is also considered. Special features are: the analysis of wave propagation in saturated compressible porous media, approximate analysis of the generation of Rayleigh waves, the analysis of the response of soil layers to earthquakes in the deep rock, with a theoretical foundation of such problems by the propagation of Love waves, and the solution of such basic problems as the response of an elastic half space to point loads, line loads, strip loads and moving loads.
    Type of Medium: Monograph available for loan
    Pages: XIV, 433 S. , 195 schw.-w. Ill., 6 schw.-w. Tab , 1 CD-ROM , 235 mm x 155 mm
    ISBN: 9789048134403 (Book with DVD.) , 9789048134410
    Series Statement: Theory and applications of transport in porous media 24
    Language: English
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  • 93
    Monograph available for loan
    Monograph available for loan
    New York, NY [u.a.] : Academic Pr.
    Associated volumes
    Call number: 5/MOP 33002(29)
    In: International geophysics series
    Type of Medium: Monograph available for loan
    Pages: x, 307 S. : graph. Darst.
    ISBN: 0121394603
    Series Statement: International geophysics series 29
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  • 94
    Call number: S 05.0339(60)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxvi, 929 S. : zahlr. graph. Darst. + 2 Kt.
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  • 95
    Call number: S 05.0339(67)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxiii, 799 S. : zahlr. graph. Darst. + 6 Kt.
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  • 96
    Call number: S 05.0339(64,2)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxv, S. 511-1313 : zahlr. graph. Darst. + 3 Kt.
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  • 97
    Call number: S 05.0339(68)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxiv, 495 S. : zahlr. graph. Darst. + 6 Kt., 1 Mikrofiche
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  • 98
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Wichmann, VDE-Verl.
    Call number: 7/M 16.89668
    Type of Medium: Monograph available for loan
    Pages: XVIII, 668 S. , Ill., graph. Darst. , 25 cm
    Edition: 3., völlig neu bearb. und erw. Aufl.
    ISBN: 9783879074792 (GB)
    Language: German
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  • 99
    Call number: 9/M 07.0421(340)
    In: Geological Society special publication
    Description / Table of Contents: This wide area of the Alpine-Himalayan belt evolved through a series of tectonic events related to the opening and closure of the Tethys Ocean. In doing so it produced the largest mountain belt of the world, which extends from the Atlantic to the Pacific oceans. The basins associated with this belt contain invaluable information related to mountain building processes and are the locus of rich hydrocarbon accumulations. However, knowledge about the geological evolution of the region is limited compared to what they offer. This has been mainly due to the difficulty and inaccessibility of cross-country studies. This Special Publication is dedicated to the part of the Alpine Himalayan belt running from Bulgaria to Armenia, and from Ukraine to the Arabian Platform. It includes twenty multidisciplinary studies covering topics in structural geology/tectonics; geophysics; geochemistry; palaeontology; petrography; sedimentology; stratigraphy; and subsidence and lithospheric modelling. This volume reports results obtained during the MEBE (Middle East Basin Evolution) Programme and related projects in the circum Black Sea and peri-Arabian regions.
    Type of Medium: Monograph available for loan
    Pages: 509 S.
    ISBN: 9781862393080
    Series Statement: Geological Society special publication 340
    Classification:
    Sedimentology
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  • 100
    Call number: NBM 10.0380
    Type of Medium: Non-book medium
    Pages: 1 DVD (30 min) ; 12 cm
    Classification:
    Regional Geology
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