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  • English  (4,558)
  • French  (53)
  • Undetermined  (41)
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  • 1990-1994  (3,120)
  • 1965-1969  (1,534)
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  • 1
    Monograph available for loan
    Monograph available for loan
    London : H.M.S.O
    Call number: AWI G10-18-91809
    Type of Medium: Monograph available for loan
    Pages: 45 Seiten , Karte , 30 cm
    Edition: 2nd ed
    ISBN: 0115917179 (pbk.)
    Language: English
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  • 2
    Call number: ZSP-SCAR-570-16
    In: National Antarctic Research Report to SCAR, No. 16
    Type of Medium: Series available for loan
    Pages: 99 Seiten , Illustrationen
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 16
    Language: English
    Note: CONTENTS: I. National Committee for Antarctic Research, and National Operating Body. - II. Map of Stations. - Ill. Permanent Observatories, Regular Observations and Long-term Monitoring. - IV. Report on Highlights of Science Activities from Previous Reporting Period (1 Oct. 93 - 31 March 94). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - V. List of Permits and Rationale for Entry into SPAs and SSSIs. - VI. Prospectus of Planned Activities for Coming Reporting Period (1 April 94 - 31 March 95). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - VII. Future Activities Planned & Funded (beyond 31 March 95). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - VIII. Bibliography. - IX. List of Principal Investigators and Responsible Authorities.
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  • 3
    Monograph available for loan
    Monograph available for loan
    [Erscheinungsort nicht ermittelbar] : [Verlag nicht ermittelbar]
    Call number: AWI P4-19-92238
    Type of Medium: Monograph available for loan
    Pages: 16 Seiten , Illustrationen
    Language: English
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  • 4
    Call number: ZSP-201-93/11
    In: CRREL Report, 93-11
    Description / Table of Contents: A laboratory study of the behavior of snow under shock wave loading and unloading conditions was conducted using a 200-mm-diameter gas gun to generate loading waves in snow samples with initial densities of 100 to 520 kg m-3 at temperatures of -2 to -23 deg C. Stress levels were 2 to 40 MPa. The response of snow to shock wave loading was measured as a function of distance from the impact plane using embedded stress gauges. Large impedance differences between snow and the stress gauges produced complex stress histories. A finite element model, along with a simple analytical model of the experiment, was used to interpret the stress histories. Snow deformation was not affected by initial temperature, but was found to be rate dependent. The initial density of the snow determined its pressure-deformation path. The pressure needed to compact snow to a specific final density increases with decreasing initial density. The release moduli increased nonlinearly from 50 MPa at a snow pressure of about 15 MPa to 2700 MPa at a snow pressure of about 40 MPa.
    Type of Medium: Series available for loan
    Pages: iii, 150 Seiten , Illustrationen
    Series Statement: CRREL Report 93-11
    Language: English
    Note: CONTENTS Preface Introduction Experimental equipment and methods Gas gun Snow target assembly Data acquisition Experimental procedure Measured data Stress histories Snow characterization Data analysis Recommendations Experimental methods Experimental needs Summary Literature cited Appendix A : Stress-time data plots Appendix B: Tabulated stress-time data Abstract
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  • 5
    Call number: ZSP-SCAR-570-14
    In: National Antarctic Research Report to SCAR, No. 14
    Type of Medium: Series available for loan
    Pages: 133 Seiten , Illustrationen
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 14
    Language: English
    Note: CONTENTS: I. National Committee for Antarctic Research, and National Operating Body. - II. Map of Stations. - Ill. Permanent Observatories, Regular Observations and Long-term Monitoring. - IV. Report on Highlights of Science Activities from Previous Reporting Period (1 Oct. 91 - 31 March 92). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - V. List of Permits and Rationale for Entry into SPAs and SSSIs. - VI. Prospectus of Planned Activities for Coming Reporting Period (1 April 92 - 31 March 93). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - VII. Future Activities Planned & Funded (beyond 31 March 93). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - VIII. Bibliography. - IX. List of Principal Investigators and Responsible Authorities.
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  • 6
    Monograph available for loan
    Monograph available for loan
    Bonn : Federal Ministery for Research and Technology
    Call number: AWI A1-19-92588
    Type of Medium: Monograph available for loan
    Pages: 51 Seiten , Illustrationen
    ISBN: 3881352376
    Language: English
    Note: Contents Preface Introduction The Earth as a global system Basic building blocks Introduction The atmosphere The hydrosphere The cryosphere The geosphere The biosphere Global cycles Introduction The water cycle Bio-geochemical cycles Natural changes Introduction Crucial changes on characteristic time scales The development of civilization and its consequences for the Earth system Signals from a disturbed environment Introduction The changed environment Problems caused by a growing world population The world of tomorrow Introduction Climate models and their limits Living in a greenhouse searching for traces and solutions The sciences being challenged Introduction Guidelines for a program of research into global changes Science and politics take up the challenge: International and national research programs Introduction International efforts Global Change research in Germany Acronyms and Abbreviations Bibliography: Illustrations
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  • 7
    Call number: MOP 41371 / Mitte
    In: WMO / World Meteorological Organization
    Type of Medium: Series available for loan
    Pages: X, 145 Seiten , Illustrationen
    Language: English
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  • 8
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-91/5
    In: CRREL Report, 91-5
    Description / Table of Contents: An analysis of the National Science Foundation's surface vehicle fleet in Antarctica is reported on here. Surface vehicle needs have been determined through interviews of vehicle users, managers and maintainers, and from direct on-site observation. An ideal grouping of vehicle categories is proposed that will address current needs and provide flexibility for the future. Ultimately, recommendations for streamlining and modernizing the NSF Antarctic vehicle fleet are made. Cargo transportation over snow was identified as being in a crisis state. Personnel movement functions for all but traversing are performed adequately at this time, although there is much room for improvement. Brands and models must be selected for some categories of recommended vehicle types. This will naturally follow a more in-depth analysis of candidates and discussions with NSF vehicle managers. A purchasing plan, including a time table, budget, and desired sequence of replacement, must then be formulated and executed.
    Type of Medium: Series available for loan
    Pages: v, 71 Seiten , Illustrationen
    Series Statement: CRREL Report 91-5
    Language: English
    Note: CONTENTS Preface Executive summary Introduction Regional divisions Zone A - rock and ice roads Zone B - local ice Zone C - traverse Zone D - ice edge Zone E - remote field site Zone F - inland station Current transportation needs in Antarctica Future transportation needs Transportation analysis Personnel transport Cargo transport Summary of analysis Recommendations for changes to U.S. vehicle fleet Conclusions and summary of findings Literature cited Appendix A: Age distribution of NSF surface vehicles Abstract
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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-201-91/15
    In: CRREL Report, 91-15
    Description / Table of Contents: An overview is presented of recent activities and results in the use of commercially available short-pulse UHF radar for surveying ice conditions on freshwater bodies. Improvements in radar systems have made it possible to increase ice thickness resolution by as much as one third relative to that in past attempts, and some new signal processing approaches shown here may offer an order of magnitude improvement. Results from airborne surveying are shown in which the varieties of ice character are reflected. Given the lack of ground coupling, one can rely upon a reasonably well-defined wavelet structure for enhanced signal processing and interpretation possibilities. An algorithm is presented that locates returns from interfaces in the presence of noise for a non-minimum delay wavelet. The method performs a simple inversion in the frequency domain, enhanced by a time dependent weight designed to recognize the shape of the wavelet amplitude and phase spectra. Thin ice layers are resolved down to a few centimeters and are distinguished from an ice free condition by means of a matched filter system designed to recognize the interference pattern from parallel interfaces close to one another. The effects and constraints imposed by water layers on wet ice are discussed, as are general attenuation, sloping bottom, and critical angle effects in deeper water. In closing, observations on the problems and prospects of this sort of surveying are offered.
    Type of Medium: Series available for loan
    Pages: v, 31 Seiten , Illustrationen
    Series Statement: CRREL Report 91-15
    Language: English
    Note: Contents Preface Nomenclature Introduction Field surveys Methods and paraphernalia Results Sloping bottom effects and critical angle phenomena Deconvolution and thin layers Well-separated echoes Thin ice layers Thin layers of water Observations Literature cited Abstract
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  • 10
    Monograph available for loan
    Monograph available for loan
    Paris : Organisation Européenne de Recherches Spatiales
    Call number: MOP 41394 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 55 Seiten , Illustrationen
    Series Statement: European Space Research Organization: Scientific note 54
    Language: English
    Location: MOP - must be ordered
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  • 11
    Monograph available for loan
    Monograph available for loan
    [Rockville] : National Oceanic and Atmospheric Administration [u.a]
    Call number: MOP 47484 / Mitte
    Type of Medium: Monograph available for loan
    Pages: Loseblatt-Ausgabe , Illustrationen
    Language: English
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  • 12
    Monograph available for loan
    Monograph available for loan
    Moskva : Izdatel'stvo "Nauka"
    Call number: MOP 43365 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 338 Seiten , Illustrationen , 3 Karten , 27 cm
    Series Statement: Meždunarodnoe Gidrologičeskoe Desjatiletie / AN SSSR. Institut Geografii
    Language: Russian , English
    Note: In kyrillischer Schrift , Mit Zusammenfassung und Inhaltsverzeichnis in englischer Sprache
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  • 13
    Call number: PIK M 490-19-93048
    Type of Medium: Monograph available for loan
    Pages: XIII, 577 S , Illustrationen, Diagramme
    Series Statement: Physica 191,1-4
    Language: English
    Location: A 18 - must be ordered
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  • 14
    Call number: PIK M 323-19-93050
    Type of Medium: Monograph available for loan
    Pages: X, 199 Seiten , Diagramme , 24 cm
    ISBN: 3764337338 ((Basel ...) , 0817637338 ((Boston)
    Series Statement: Progress in systems and control theory Vol. 16
    Language: Undetermined
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  • 15
    Monograph available for loan
    Monograph available for loan
    Praha : Český Hydrometeorologický Ústav
    Call number: MOP 42912 / Mitte
    Type of Medium: Monograph available for loan
    Pages: Getr. Zählung
    ISBN: 80-900206-4-X
    Language: English
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  • 16
    Series available for loan
    Series available for loan
    Pasay City, Philippines : Typhoon Committee Secretariat
    Associated volumes
    Call number: MOP 46950(1991) / Mitte
    In: ESCAP/WMO Typhoon Committee annual review, 1991
    Type of Medium: Series available for loan
    Series Statement: ESCAP/WMO Typhoon Committee annual review 1991
    Language: English
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  • 17
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-77
    In: Research report / Cold Regions Research and Engineering Laboratory, 77
    Description / Table of Contents: Abstract: A deep rotary core drilling project in 1957 at Site 2 on the Greenland ice sheet (76°59'N, 56°04'W provided ice core to a depth of 411 m. The vertical variation in bulk density, macroscopic structure, oxygen isotope ratios, ionic constituents, and extraterrestrial dust (black spherules) were analyzed using both field and laboratory techniques . These data permit the direct estimate of annual accumulation layers in the core. Continuous stratigraphic measurements and observations were made over the upper 110 m of the profile and detailed physical and chemical analyses were made on continuous lo 3 to 3.9-m core increments at 100, 200, 300 and 411-m depths. The average total ionic concentration in the ice sheet ranges between 0.65 and 1.35 mg/liter. The annual global mass deposit of black spherules as calculated from these studies varies from 2.10 x 10^5 metric tons in 700 year old ice to 6.57 x 10^5 metric tons in 12 year old firn. The oxygen isotope ratio variation provides the best means of estimating accumulation at depth. Results of the investigations indicate rates of net snow accumulation of 42.3, 34.2, 37.4, 41.1 and 41.6 g/cm^2 -yr at the surface, A.D. c. 1773, c. 1513, c. 1233 and c. 934 respectively. Accumulation data and other physical and chemical evidence allow climatological inferences to be made over the 10-century profile. The ice core record shows that snow accumulation and temperature in A. D. 934 were similar to today, followed by a gradual decrease in accumulation to a minimum around the late 18th century and an increase in both accumulation and temperature from A. D. 1773 to 1957 and following.
    Type of Medium: Series available for loan
    Pages: vi, 130 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 77
    Language: English
    Note: CONTENTS Preface Summary 1. lntroduction General background Previous work The Greenland Ice sheet Present work Ice core studies ll. Field procedures General background Subsurface snow laboratory Core reference datum Core handling and processing Ill. Macroscopic stratigraphy General background Polar stratigraphy General observations and results Discussion of results and conclusions above 100 m IV. Detailed stratigraphic studies General background Macroscopic stratigraphy at 100 m Results of analysis and discussion Summary and conclusions V. Oxygen isotope studies General background Previous work Deep ice core 0-isotope stratigraphy Results of analyses Summary and conclusions Vl. Chemical composition studies General background Previous work Factors influencing the chemistry of glaciers Deep core stratigraphy using chemical variations Results of analyses and discussion Summary and interpretation of the 300 m results Geochemistry of the ice sheet Results of analyses and discussion Summary and conclusions Vll. Cosmic dust studies General background Previous work Origin of extraterrestrial dust Deep ice core and near surface studies Results of analyses Discussion of results Summary and conclusions VIII. Climatological implications General background Recent history of the inland ice Past history from the deep core Summary and conclusions- IX. Summary and conclusions Discussion Post Site l deep drilling programs Selected bibliography Appendix A. Sorge's law Appendix B. Thinning of layers Appendix C. Statistical terms Appendix D. Average density determinations for meter increments from the surface to 411.21 meters , Site 2, Greenland
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  • 18
    Call number: AWI G4-22-94968
    Type of Medium: Monograph available for loan
    Pages: x, 532 Seiten , Illustrationen , 23 cm
    ISBN: 0-662-18742-3
    Series Statement: NHRI symposium No. 6
    Language: English
    Note: TABLE OF CONTENTS FOREWORD PREFACE INTRODUCTION SECTION 1: GENERAL PAPERS Case Study of a Grounded Jam; Restigouche River, New Brunswick / by S. Beltaos and B.C. Burrell Water Balance and Geochemistry Studies in a Tundra Watershed, District of Keewatin, Northwest Territories / by G.G. Bursey, T.W.D. Edwards and S.K. Frape River Icing Mounds: a Winter Water Source on the Eastern North Slope of Alaska / by E.F. Chacho, C.M. Collins, A.J. Delaney and S.A. Arcone Geochemical Evolution of Water in a Continental High Boreal Wetland Basin: Preliminary Results / by D. Craig A Physical Model of Ice Overthn.ist during the Break-Up of Intact River-Ice Covers / by M.N. Demuth and T.D. Prowse Seasonal Changes in the Hydrochemistry of Land Drainage: Colour Lake Catchment, Axel Heiberg Island, N.W.T. / by M. English, S. Schiff, M. Ecclestone, W.P. Adams, M. Hinton, L. Pezzutto, R. Elgood, C. Allan and D. Pierson Shape, Length and Flow· Conditions of Conduits at South Cascade Glacier, Washington State, U.S.A. / by A.G. Fountain CO2-Rich Ground Waters of the Flat River Valley, N.W.T. / by S.M. Hamilton, F.A. Michel and C.W. Jefferson Regional Snow Ablation in the Alaskan Arctic / by L.D. Hinzman, D.L. Kane and R.E. Giec Regionalization of Low Flows in Yukon Territory / by J.R. Janowicz Discharge Regimes of a Glacierized Basin, Slims River, Yukon / by P.G. Johnson Pulses in Glacier Discharge: Indicators of the Internal Drainage System of Glaciers / by P.G. Johnson Drainage of an Ice-Dammed Lake, Kaskawulsh Glacier Basin, Yukon / by J.N. Kasper and P.G. Johnson On Areal Distribution. of Snowcover in a Mountainous Area / by A. Killingtveit and K. Sand Hydrogeochemical Aspects of Two Selected Sites in a Fringe Zone of Discontinuous Permafrost / by Y.T.J. Kwong, D. Craig and M. Griffin Ice-Cover Growth and Freeze-Out of Solutes in a Mackenzie Delta Lake / by L.F.W. Lesack, P. Marsh and R.E. Hecky Hydrological Processes in a Small Catchment Containing a Perennial Snowbank, Melville Island, N.W.T. / by A.G. Lewkowicz and K.L. Young On Modelling Surface Meltwater Discharge from Arctic and Alpine Glaciers / by D.S. Munro A High Arctic Occurrence of Seasonal Frost Mounds / by W.H. Pollard Relationships between Snow Chemistry and Blowing Snow: Initial Findings / by J.W. Pomeroy, T.D. Davies and M. Tranter Peatlands of the Lake Melville Coastal Plain, Labrador / by J.S. Price, D.A. Maloney and F.G. Downey Constraints on the Origin of Acidity in Colour Lake, Axel Heiberg Island (79°25'N) / by S. Schiff, M. English, M. Ecclestone, R. Elgood, M. Hinton and L. Pezzutto Longitudinal Dispersion in the Ice-Covered Athabasca River / by G. Van Der Vinne and D. Andres Economic Impact of River Ice Jams in Canada / by G. Van Der Vinne, T.D. Prowse and D. Andres Estimation of Mass-Balance and Run-Off Component of Urumqi Glacier No. I from Water-Balance Analysis / by Z. Yang SECTION 2: MODELLING Interactive Modelling of Cold Regions Watersheds with SSARR / by E.A. Cassell and T. Pangburn Estimates of Evaporation in the Yukon and Northwest Territories / by J. Haas A Basin Water-Storage Model to Forecast Columbia River Discharge / by W. Tangborn Preliminary Findings from Experiments on Frazil and Anchor Ice in a Circular Flume / by G. Tsang and B. Trapp On Computer Simulation of Ice Motion in Rivers / by O.G. Vinogradov, A. Springer and P. Wierzba SECTION 3: OTHER CONTRIBUTIONS Transformation of Heavy Metals under Tidal Flows in the Severnaya Dvina Estuary / by V.F. Brekhovskikh, A.N. Malutin and M.A. Mordasov Northern River: BOD-DO Model / by V.F. Brekhovskikh and G.V. Volpian Water Storage in Alpine Glaciers (Abstract) / by M.M. Brugman Snowmelt Infiltration into Frozen Soil at Sites in the Discontinuous Permafrost Zone Near Mayo, Yukon Territory / by C.R. Bum Use of Periphyton Indices as a Biological Measure of Water Quality in Small Rivers / by E.A. Goncharevich Yukon and Northwest Territories Ground-Water Data Base / by P. Hardisty, V. Schilder, T. Dabrowski and J. Wells Some Aspects of Glacier Hydrology in China / by X. Hu and Z. Yang Modelled Estimates of Changes in the Water Balance of Forested Northern River Basins / by Yu.G. Motovilov and N.A. Nazarov Study of Surface Water Quality in the Northern Region Subject to Pollution / by A.N. Shammasov Response of Riverine and Lacustrine Biocenoses to Human Impact / by N.S. Zolotareva and M.A. Mordasov APPENDIX A: LIST OF PARTICIPANTS
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  • 19
    Call number: 10.1144/GSL.SP.1967.002.01.01 (e-book)
    In: Special publications / the Geological Society, London, Volume 2
    Type of Medium: 12
    Pages: 1 Online-Ressource (XI, 827 Seiten)
    Series Statement: Special publications / the Geological Society, London 2
    Language: English
    Note: Table of Contents Introduction Geological Society, London, Special Publications, 2, 1-11, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.01 The symposium meeting Geological Society, London, Special Publications, 2, 13-14, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.02 Part I: Symposium Papers Introduction to Part I Geological Society, London, Special Publications, 2, 15-16, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.03 Life in Pre-Cambrian and early Cambrian times John Watson Cowie Geological Society, London, Special Publications, 2, 17-35, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.04 The significance of certain trace-fossil ranges Roland Goldring Geological Society, London, Special Publications, 2, 37-39, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.05 Fluctuations in the evolution of Palaeozoic intertebrates Michael Robert House Geological Society, London, Special Publications, 2, 41-54, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.06 The origins of some Silurian enteletacean brachiopods Victor Gordon Walmsley Geological Society, London, Special Publications, 2, 55-56, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.07 Permo-Triassic extinction Frank Harold Trevor Rhodes Geological Society, London, Special Publications, 2, 57-76, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.08 Changes in terrestrial vertebrate faunas during the Mesozoic C. B. Cox Geological Society, London, Special Publications, 2, 77-89, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.09 Some Cretaceous-Tertiary marine faunal changes John Michael Hancock Geological Society, London, Special Publications, 2, 91-104, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.10 Major features of the evolution of echinoids Graeme Maxwell Philip Geological Society, London, Special Publications, 2, 105-106, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.11 Plant-insect relationships in Palaeozoic and later time Norman Francis Hughes and John Smart Geological Society, London, Special Publications, 2, 107-117, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.12 Biochemical evolution and the fossil record Lambert Beverly Halstead Tarlo Geological Society, London, Special Publications, 2, 119-132, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.13 Fossil birds and their adaptive radiation James Fisher Geological Society, London, Special Publications, 2, 133-154, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.14 General Discussion Geological Society, London, Special Publications, 2, 155-156, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.15 Part II: Documentation of the Fossil Record Introduction to Part II Geological Society, London, Special Publications, 2, 158-159, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.16 Plantae Plantae N. F. H. Geological Society, London, Special Publications, 2, 162, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.17 Chapter 1 Thallophyta—1 H. P. Banks, K. I. M. Chesters, N. F. Hughes, G. A. L. Johnson, H. M. Johnson and L. R. Moore Geological Society, London, Special Publications, 2, 163-180, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.18 Chapter 2 Thallophyta—2 M. Black, C. Downie, R. Ross and W. A. S. Sarjeant Geological Society, London, Special Publications, 2, 181-209, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.19 Chapter 3 Bryophyta and Charophyta* L. J. Grambast and W. S. Lacey Geological Society, London, Special Publications, 2, 211-217, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.20 Chapter 4 Pteridophyta—1 H. P. Banks, W. G. Chaloner and W. S. Lacey Geological Society, London, Special Publications, 2, 219-231, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.21 Chapter 5 Pteridophyta—2 H. P. Banks, M. G. Collett, F. R. Gnauck and N. F. Hughes Geological Society, London, Special Publications, 2, 233-245, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.22 Chapter 6 Gymnospermophyta K.L. Alvin, P. D. W. Barnard, T.M. Harris, N. F. Hughes, R. H. Wagner and A. Wesley Geological Society, London, Special Publications, 2, 247-268, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.23 Chapter 7 Angiospermae K. I. M. Chesters, F. R. Gnauck and N. F. Hughes Geological Society, London, Special Publications, 2, 269-288, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.24 Invertebrata Invertebrata M. J. S. R. Geological Society, London, Special Publications, 2, 290, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.25 Chapter 8 Protozoa F. T. Banner, W. J. Clarke, J. L. Cutbill, F. E. Eames, A. J. Lloyd, W. R. Riedel and A. H. Smout Geological Society, London, Special Publications, 2, 291-332, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.26 Chapter 9 Porifera and Archaeocyatha R. M. Finks and D. Hill Geological Society, London, Special Publications, 2, 333-345, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.27 Chapter 10 Coelenterata G. A. L. Johnson, I. D. Sutton, F. M. Taylor and G. Thomas Geological Society, London, Special Publications, 2, 347-378, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.28 Chapter 11 Bryozoa G. P. Larwood, A. W. Medd, D. E. Owen and R. Tavener-Smith Geological Society, London, Special Publications, 2, 379-395, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.29 Chapter 12 Brachiopoda D. V. Ager, P. Copper, G. M. Dunlop, G. F. Elliott, F. A. Middlemiss, A. J. Rowell, A. Williams and A. D. Wright Geological Society, London, Special Publications, 2, 397-421, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.30 Chapter 13 Mollusca: Amphineura, Monoplacophora and Gastropoda D. Curry and N. J. Morris Geological Society, London, Special Publications, 2, 423-430, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.31 Chapter 14 Mollusca: Cephalopoda (Nautiloidea) C.H. Holland Geological Society, London, Special Publications, 2, 431-443, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.32 Chapter 15 Mollusca: Cephalopoda (Ammonoidea) D. T. Donovan, F. Hodson, M. K. Howarth, M. R. House, E. T. Tozer and C. W. Wright Geological Society, London, Special Publications, 2, 445-460, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.33 Chapter 16 Mollusca: Cephalopoda (Coleoidea) D. T. Donovan and J. M. Hancock Geological Society, London, Special Publications, 2, 461-467, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.34 Chapter 17 Mollusca: Scaphopoda and Bivalvia N. J. Morris Geological Society, London, Special Publications, 2, 469-477, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.35 Chapter 18 Arthropoda: Protarthropoda and Trilobitomorpha J. W. Cowie, W. T. Dean, R. Goldring, W. D. I. Rolfe, A. W. A. Rushton, J. T. Temple and R. P. Tripp Geological Society, London, Special Publications, 2, 479-497, 1 January 1967, https://doi.org/10.1144/GSL.SP.1967.002.01.36
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  • 20
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    Series available for loan
    Boulder, Colo. : The Geological Society of America
    Associated volumes
    Call number: S 90.0006(174)
    In: Memoir / The Geological Society of America, 174
    Type of Medium: Series available for loan
    Pages: XI, 414 Seiten , Illustrationen, graphische Darstellungen, Karten
    ISBN: 0-8137-1174-6
    Series Statement: Memoir / The Geological Society of America 174
    Language: English
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  • 21
    Monograph available for loan
    Monograph available for loan
    Washington, DC : Mineralogical Society of America
    Call number: MR 22.94990
    Type of Medium: Monograph available for loan
    Pages: XII, 545 Seiten , Illustrationen, graphische Darstellungen
    Edition: 2. printing with minor revisions
    ISBN: 0-03-085155-6
    Language: English
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  • 22
    Call number: 10.1144/GSL.SP.1990.053.01.23 (e-book)
    In: Special publications / the Geological Society, London, No. 53
    Description / Table of Contents: This volume examines the processes responsible for sedimentation in modern glacimarine environments, and how such modern studies can be used as analogues in the interpretation of ancient glacimarine sequences. Sediments released from glaciers grounded in tidewater, floating ice shelves, ice tongues, icebergs and sea ice form complex sequences governed by glaciological, oceanographic, sedimentary and biogenic controls. Ten per cent of the world’s oceans and epicontinental seas contain such active glacimarine environments, but during Cenozoic glacial periods this area was doubled. This book will, therefore, be of relevance to all scientists concerned with high and middle latitude marine environments. The early chapters are concerned largely with processes of sedimentation in modern glacimarine environments; examples are drawn from Alaska, the Canadian Arctic, Svalbard and Antarctica. Studies of ancient sequences, both Cenzoic and pre-Cenozoic, from the Barents Sea, Greenland, Sweden, Alaska and the northwest European continental shelf, form the latter part of the book.
    Type of Medium: 12
    Pages: 1 Online-Ressource (VII, 423 Seiten) , Illustrationen
    Edition: First published
    ISBN: 0-903317-54-0
    Series Statement: Special publications / the Geological Society, London 53
    Language: English
    Note: Contents Julian A. Dowdeswell and James D. Scourse: Preface --- Julian A. Dowdeswell and James D. Scourse: On the description and modelling of glacimarine sediments and sedimentation / Geological Society, London, Special Publications, 53:1-13, doi:10.1144/GSL.SP.1990.053.01.01 --- G. S. Boulton: Sedimentary and sea level changes during glacial cycles and their control on glacimarine facies architecture / Geological Society, London, Special Publications, 53:15-52, doi:10.1144/GSL.SP.1990.053.01.02 --- Ross D. Powell: Glacimarine processes at grounding-line fans and their growth to ice-contact deltas / Geological Society, London, Special Publications, 53:53-73, doi:10.1144/GSL.SP.1990.053.01.03 --- Ellen A. Cowan and Ross D. Powell: Suspended sediment transport and deposition of cyclically interlaminated sediment in a temperate glacial fjord, Alaska, U.S.A. / Geological Society, London, Special Publications, 53:75-89, doi:10.1144/GSL.SP.1990.053.01.04 --- Eugene W. Domack: Laminated terrigenous sediments from the Antarctic Peninsula: the role of subglacial and marine processes / Geological Society, London, Special Publications, 53:91-103, doi:10.1144/GSL.SP.1990.053.01.05 --- Robert Gilbert: Rafting in glacimarine environments / Geological Society, London, Special Publications, 53:105-120, doi:10.1144/GSL.SP.1990.053.01.06 --- Julian A. Dowdeswell and Tavi Murray: Modelling rates of sedimentation from icebergs / Geological Society, London, Special Publications, 53:121-137, doi:10.1144/GSL.SP.1990.053.01.07 --- Paul R. Carlson, Terry R. Bruns, and Michael A. Fisher: Development of slope valleys in the glacimarine environment of a complex subduction zone, Northern Gulf of Alaska / Geological Society, London, Special Publications, 53:139-153, doi:10.1144/GSL.SP.1990.053.01.08 --- Alec E. Aitken: Fossilization potential of Arctic fjord and continental shelf benthic macrofaunas / Geological Society, London, Special Publications, 53:155-176, doi:10.1144/GSL.SP.1990.053.01.09 --- James P. M. Syvitski, K. William G. LeBlanc, and R. E. Cranston: The flux and preservation of organic carbon in Baffin Island fjords / Geological Society, London, Special Publications, 53:177-199, doi:10.1144/GSL.SP.1990.053.01.10 --- Ian J. Fairchild and Baruch Spiro: Carbonate minerals in glacial sediments: geochemical clues to palaeoenvironment / Geological Society, London, Special Publications, 53:201-216, doi:10.1144/GSL.SP.1990.053.01.11 --- C. M. T. Woodworth-Lynas and J. Y. Guigné: Iceberg scours in the geological record: examples from glacial Lake Agassiz / Geological Society, London, Special Publications, 53:217-233, doi:10.1144/GSL.SP.1990.053.01.12 --- Jens Bischof, Joachim Koch, Michaela Kubisch, Robert F. Spielhagen, and Jörn Thiede: Nordic Seas surface ice drift reconstructions: evidence from ice rafted coal fragments during oxygen isotope stage 6 / Geological Society, London, Special Publications, 53:235-251, doi:10.1144/GSL.SP.1990.053.01.13 --- Anders Solheim, Lars Russwurm, Anders Elverhøi, and Mona Nyland Berg: Glacial geomorphic features in the northern Barents Sea: direct evidence for grounded ice and implications for the pattern of deglaciation and late glacial sedimentation / Geological Society, London, Special Publications, 53:253-268, doi:10.1144/GSL.SP.1990.053.01.14 --- Tore O. Vorren, Erland Lebesbye, and Kjell B. Larsen: Geometry and genesis of the glacigenic sediments in the southern Barents Sea / Geological Society, London, Special Publications, 53:269-288, doi:10.1144/GSL.SP.1990.053.01.15 --- D. Huddart and J. D. Peacock: Early Holocene morainal bank sedimentology and marine ecology, Skjoldungebrae gorge, North Scoresby Land, East Greenland / Geological Society, London, Special Publications, 53:289-305, doi:10.1144/GSL.SP.1990.053.01.16 --- Rodney L. Stevens: Proximal and distal glacimarine deposits in southwestern Sweden: contrasts in sedimentation / Geological Society, London, Special Publications, 53:307-316, doi:10.1144/GSL.SP.1990.053.01.17 --- A. R. Lord: The Pleistocene—Holocene transition in Southwestern Sweden and the recognition of deglaciation effects in adjacent seas / Geological Society, London, Special Publications, 53:317-328, doi:10.1144/GSL.SP.1990.053.01.18 --- J. D. Scourse, W. E. N. Austin, R. M. Bateman, J. A. Catt, C. D. R. Evans, J. E. Robinson, and J. R. Young: Sedimentology and micropalaeontology of glacimarine sediments from the Central and Southwestern Celtic Sea / Geological Society, London, Special Publications, 53:329-347, doi:10.1144/GSL.SP.1990.053.01.19 --- M. S. Stoker: Glacially-influenced sedimentation on the Hebridean slope, northwestern United Kingdom continental margin / Geological Society, London, Special Publications, 53:349-362, doi:10.1144/GSL.SP.1990.053.01.20 --- Carolyn H. Eyles and Martin B. Lagoe: Sedimentation patterns and facies geometries on a temperate glacially-influenced continental shelf: the Yakataga Formation, Middleton Island, Alaska / Geological Society, London, Special Publications, 53:363-386, doi:10.1144/GSL.SP.1990.053.01.21 --- A. C. M. Moncrieff and M. J. Hambrey: Marginal-marine glacial sedimentation in the late Precambrian succession of East Greenland / Geological Society, London, Special Publications, 53:387-410, doi:10.1144/GSL.SP.1990.053.01.22
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  • 23
    Call number: AWI G3-22-94975
    Type of Medium: Series available for loan
    Pages: XIII, 263 Seiten , Illustrationen , 1 Karte
    Edition: First edition 1983, reprinted edition 1993
    Series Statement: Guidebook / Division of Geological & Geophysical Surveys, Department of Natural Resources, State of Alaska 1
    Language: English
    Note: Kartenbeilage unter dem Titel: Physiographic map and field trip localities of the Upper Cook Inlet area, Alaska / compiled by R. D. Reger and R. G. Updike (1982) , CONTENTS Introduction General statement Organization and acknowledgments Selected references Middle Tanana River valley R&sum& of the permafrost and Quaternary geology Road log and locality descriptions Selected references Delta River area. Alaska Range R&sum& of the permafrost and Quaternary geology Road log and locality description Trans-Alaska Pipeline System Thawing problems Construction modes Conventional burial Special burial Conventional elevated and anchor support Selected references Copper River basin Rèsumè of Quaternary geology Road log and locality description Gakona section Richardson Highway Simpson Hill roadcut Copper River Bluff section Glenn Highway Selected references Overview of the Matanuska Glacier Selected references Upper Cook Inlet region and the Matanuska Valley Introduction Physiography and geology Upper Cook Inlet region Matanuska Valley Climate Vegetation. Soils Rèsumè of Quaternary geology General statement Late Pliocene-early Pleistocene glaciations and interglaciations Mt. Susitna Glaciation Mt. Susitna-Caribou Hills interglaciation Caribou Hills Glaciation Late Pleistocene glaciations and interglaciations Caribou Hills-Eklutna interglaciation Eklutna Glaciation Eklutna-Knik interglaciation Knik Glaciation Knik-Naptowne nonglacial interval Naptowne Glaciation Early Holocene Glaciations Middle to Late Holocene events Alaskan Glaciation Tustumena advances Tunnel advances Other events Road log and locality descriptions Selected references Appendix A - Radiocarbon dates related to late Quaternary events in the Upper Cook Inlet region, Alaska
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  • 24
    Call number: MR 22.94995
    Type of Medium: Monograph available for loan
    Pages: 195 Seiten , Illustrationen, graphische Darstellungen, Karten
    Edition: First edition
    ISBN: 7-116-01128-5
    Language: English
    Location: Upper compact magazine
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  • 25
    Call number: AWI G5-23-95000
    Type of Medium: Monograph available for loan
    Pages: xii, 169 Seiten , Illustrationen
    Language: English
    Note: Masterarbeit, Queen's University (Kingston, Ont.), 1990 , TABLE OF CONTENTS ABSTRACT ACKOWLEDGEMENTS LIST OF FIGURES LIST OF TABLES CHAPTER 1: INTRODUCTION 1.1 Purpose of Study 1.2 Site Description 1.2.1 Climate 1.2.2 Geology 1.2.3 Late Cenozoic Evolution of the Queen Elizabeth Islands 1.2.4 Origin of Colour Lake 1.2.5 Lake and Basin Morphometry and Morphology CHAPTER 2: LITERATURE REVIEW 2.1 General Arctic Limnology 2.1.1 Thermal Regimes and Circulation 2.1.2 Biological Limnology 2.2 Sedimentation in Arctic Lakes 2.2.1 Sedimentary Processes 2.2.2 Deposits 2.3 Phycology and Paleophycology of High Arctic Lakes CHAPTER 3: METHODS 3.1 Basin Factors 3.1.1 Weather 3.1.2 Stream Sampling 3.1.3 Snowmelt, Depth of Ground Thaw, and Soil parameters 3.1.4 Measurement of Mass Wasting 3.2 General Limnology 3.3 Sediment Sampling and Analysis 3.3.1 Sediment Collection 3.3.2 Sediment Analysis 3.3.3 Microfossil Analysis 3.3.3.1 Diatoms and Chrysophytes 3.3.3.2 Chironomids CHAPTER 4: RESULTS 4.1 Basin Factors 4.1.1 Weather 4.1.2 Stream Discharge and Water Quality 4.1.3 Snow, Active Layer Thickness, and Soil Parameters 4.1.4 Mass Wasting 4.1.4.1 Gelifluction survey 4.1.4.2 Mudflows and other Observations 4. 2 Limnology 4.2.1 General Limnology - 1987 4.2.1.1 Lake Temperature 4.2.1.2 Lake Chemistry 4.2.1.3 Water Stage 4.2.1.4 Suspended Sediment 4.2.1.5 Algae 4.2.2 General Limnology - 1988 4.3 Sedimentology 4.3.1 Surficial Sediments 4.3.1.1 Structure and Grain Size 4.3.1.2 Organic Matter 4.3.1.3 Microfossils 4.3.2 Long Cores 4.3.2.1 Structure and Grain Size 4.3.2.2 Organic Matter 4.3.2.3 Dating 4.3.2.4 Microfossils CHAPTER 5: DISCUSSION 5.1 Basin Factors 5.1.1 Inflows 5.1.2 Mass Wasting 5.1.2.1 Rates of Soil Movement 5.1.2.2 Gelifluction as a Sediment Source 5.2 Limnology 5.3 Sedimentology 5.3.1 Recent Sedimentary Environment 5.3.2 Late Holocene Sedimentary Environment 5.3.2.1 Signal from Alluvial Fan River 5.3.2.2 Signal from Gelifluction 5.3.2.3 Signal from Lake Ice Cover 5.2.3.4 General Sedimentology 5.2.3.5 Paleophycology 5.3.3 Modelling Colour Lake Sedimentology . CHAPTER 6: CONCLUSIONS REFERENCES APPENDIX A: CORRECTION OF TALL BURIED STAKES APPENDIX B: TEST OF EFFECT OF IGNITION BEFORE SEDIGRAPHING APPENDIX C: DIATOM SPECIES LIST APPENDIX D: SEDIMENT VOLUME IN A SMALL MUDFLOW APPENDIX E: ICE RECORD VITA
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  • 26
    Monograph available for loan
    Monograph available for loan
    St. John's : Geological Association of Canada
    Call number: MR 24.95645
    Type of Medium: Monograph available for loan
    Pages: v, 194 Seiten , Illustrationen , 28 cm
    Edition: Second printing
    ISBN: 091921634X , 0-919216-34-X
    Series Statement: Geoscience Canada reprint series 3
    Language: English
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  • 27
    Call number: MR 24.95646
    Type of Medium: Monograph available for loan
    Pages: 27 Seiten , Illustrationen
    ISBN: 9171469311
    Series Statement: Report / University of Stockholm, Department of Quaternary Research 20
    Language: English
    Note: Zugl.: Stockholm, Univ., Diss., 1991
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  • 28
    Monograph available for loan
    Monograph available for loan
    Copenhagen : [Verlag nicht ermittelbar]
    Call number: AWI G7-19-92326
    Type of Medium: Monograph available for loan
    Pages: 59 Seiten , Illustrationen
    Language: English
    Note: CONTENTS: Report on the 1995 activities of GRIP Operation Center (GOC). - Objective. - Kangerlussuaq (Søndre Strømfjord). - Preparation of field season. - Start of field season. - Communication. - Medevac. - Acknowledgement. - 1995 Field Season, Diary. - Maintenance / Logistics. - Bulk supplies. - Table of C130 flights. - Table of Twin Otter flights. - List of participants. - GRIP 1995 sub programs. - GRIP summaries 1989-1995. - GOC documentation 1989-1994. - Sitreps. - Daily reports from DOME GRIP. - Map of Northern Greenland. - List of GRIP addresses. - Tasks of GOC.
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  • 29
    Monograph available for loan
    Monograph available for loan
    Beirut : Librairie du Liban
    Call number: 1.2/M 18.91851
    Type of Medium: Monograph available for loan
    Pages: 1006 Seiten , Illustrationen
    ISBN: 9789953100005
    Language: English , Arabic
    Note: Text in Englisch und Arabisch
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  • 30
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-92/17
    In: CRREL Report, 92-17
    Description / Table of Contents: The CRREL Instrumented Vehicle (CIV), shear annulus, direct shear, andtriaxial compression devices were used to characterize the strength ofthawed and thawing soil. These strength values can be used in simpletraction models to predict the tractive performance of vehicles. Strength was evaluated in terms of the parameters c' and Φ' based on the Mohr-Coulomb failure criterion. It is proposed here that an instrumented vehicle is best suited for terrain characterization for mobility studies because the conditions created by a tire slipping on a soil surface are exactly duplicated. The c' and Φ' values from the shear annulus were found to overpredict traction because of the low normal stress applied by the annulus and the curved nature of the failure envelope. Of all the tests, the direct shear test yielded the highest Φ' value, most likely because the test was run at a slow deformation rate under drained conditions. The triaxial test results were the most similar to those from the vehicle. All test methods show Φ' increasingwith soil moisture up to the liquid limit of the soil and then decreasing. As measured with the vehicle, was also found to be strongly influenced by the thaw depth.
    Type of Medium: Series available for loan
    Pages: 17 Seiten , Illustrationen
    Series Statement: CRREL Report 92-17
    Language: English
    Note: CONTENTS Introduction Objective Background Strength measurement techniques Triaxial compression Direct shear Shear annulus device CRREL Instrumented Vehicle Discussion Comparison of methods Influence of soil conditions Traction prediction Conclusions References Abstract
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  • 31
    Call number: ZSP-201-94/12
    In: CRREL Report, 94-12
    Description / Table of Contents: Subsurface radar was used to profile ice and snow conditions on the Ross Ice Shelf at McMurdo Station, Antarctica, during mid-January 1993. Deconvolution and migration were often used to improve vertical resolution and spatial imaging. Profiles at a pulse center frequency of 400 MHz along the 3.2-km-long Pegasus ice runway show many low-density horizons above 9 m depth that are up to 30 m long. They are associated with air bubbles included during refreezing of meltwater and are interpreted as layers between a few and tens of centimeters thick. There is a strong reflecting horizon at about 9 m depth that is probably from brine intrusion as it is continuous with the intrusion into the snow to the east. Diffraction asymptotes give a dielectric constant near 3.2 for material above the brine level, a value that implies near-solid ice. Profiles at 100 MHz along the road between Pegasus runway and Williams Field in the accumulation zone show snow features such as layer deformation and intrusive brine layers that both abruptly and gradually change in depth. A single profile at a relic solid waste dump at Williams Field detected buried debris and ice within the upper 7 m. A survey of a suspected fuel spill shows some local disturbances near the center, but no excavation was done to verify the findings. Profiles traversing the sewage sumps at Williams Field outline the extent of the sewage deposition, and give depths to contaminated snow that closely agree with observation. Despite variability in dielectric properties, single-layer migration effectively improves the resolution of subsurface conditions. Recommendations are made for future surveys.
    Type of Medium: Series available for loan
    Pages: iv, 29 Seiten , Illustrationen
    Series Statement: CRREL Report 94-12
    Language: English
    Note: CONTENTS Preface Introduction Radar equipment General operation Antennas Waveforms and phase polarity Antenna directivity Field procedures and data processing Field procedures Data recording Data processing Site location Results Pegasus runway Access road from Williams Field to Pegasus runway Williams Field Summary and conclusions Literature cited Appendix A: Airborne profile of a portion of the access road Abstract
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  • 32
    Monograph available for loan
    Monograph available for loan
    London : The National Society for Clean Air
    Associated volumes
    Call number: MOP 41126 / Mitte
    In: Proceedings of the International Clean Air Congress
    Type of Medium: Monograph available for loan
    Series Statement: Proceedings of the International Clean Air Congress Proceedings: part 1
    Language: English
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  • 33
    Call number: PIK W 510-19-92837
    Type of Medium: Monograph available for loan
    Pages: VIII, 62 Seiten , Illustrationen, Diagramme, Karten
    ISBN: 9529844026
    Series Statement: Working paper / European Forest Institute 3
    Language: English
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  • 34
    Call number: MOP 41324/I / Mitte
    Type of Medium: Monograph available for loan
    Pages: 162 Seiten
    Language: English
    Location: MOP - must be ordered
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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-201-93/3
    In: CRREL Report, 93-3
    Description / Table of Contents: Results are presented of a study to determine appropriate methods of flow modification for mitigating ice jam formation in navigable rivers. Based on a review of alternative methods for flow modification, it is concluded that for many rivers, especially large ones, the most appropriate method involves controlled ice-cover formation through the regulation of river flow. Flow discharge and stages would be regulated by controlling the flow releases from reservoirs and flow stages at river dams, such that optimal flow conditions prevail for rapid formation, and subsequent maintenance, of an accumulation ice cover over river reaches in which potentially large amounts of frazil ice may grow. Accumulation covers would be formed of frazil ice pans and floes and, if appropriate, broken ice conveyed from upstream. Existing dams, augmented where needed by navigable ice booms, could serve as retention structures for the development of accumulation covers. A preliminary indication of the feasibility of this method for controlling ice-cover formation on stage-regulated pools of the Ohio River is assessed through the use of a numerical model that simulates ice-cover formation from frazil ice. It is found that this approach holds promise for mitigating jam occurrence, although its implementation necessarily entails management of flow through major portions of the Ohio River. The results of the study are, to a limited extent, generalized to other rivers.
    Type of Medium: Series available for loan
    Pages: v, 58 Seiten , Illustrationen
    Series Statement: CRREL Report 93-3
    Language: English
    Note: CONTENTS Preface Nomenclature Introduction Background Scope of the study Control of river ice formation Control methods Controlled ice-cover formation for the upper Ohio River Numerical simulation of ice-cover formation Flow profile Water temperature variation Frazil ice growth Ice-cover progression Thermal growth of ice cover Numerical results Illustration of simulated ice-:over formation Ice-cover formation in the Hannibal and Montgomery pools Generalized results Conclusions and recommendations Literature cited Appendix A: Expression for coefficients Appendix B: Listing of computer program
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  • 36
    Monograph available for loan
    Monograph available for loan
    Dordrecht : Springer | New York [u.a.] : Chapman & Hall
    Call number: AWI G3-20-93489
    Description / Table of Contents: Frozen Ground Engineering first introduces the reader to the frozen environment and the behavior of frozen soil as an engineering material. In subsequent chapters this information is used in the analysis and design of ground support systems, foundations, and embankments. These and other topics make this book suitable for use by civil engineering students in a one-semester course on frozen ground engineering at the senior or first-year-graduate level. Students are assumed to have a working knowledge of undergraduate mechanics (statics and mechanics of materials) and geotechnical engineering (usual two-course sequence). A knowledge of basic geology would be helpful but is not essential. This book will also be useful to advanced students in other disciplines and to engineers who desire an introduction to frozen ground engineering or references to selected technical publications in the field. BACKGROUND Frozen ground engineering has developed rapidly in the past several decades under the pressure of necessity. As practical problems involving frozen soils broadened in scope, the inadequacy of earlier methods for coping became increasingly apparent. The application of ground freezing to geotechnical projects throughout the world continues to grow as significant advances have been made in ground freezing technology. Freezing is a useful and versatile technique for temporary earth support, groundwater control in difficult soil or rock strata, and the formation of subsurface containment barriers suitable for use in groundwater remediation projects.
    Type of Medium: Monograph available for loan
    Pages: x, 352 Seiten , Illustrationen
    ISBN: 978-1-4757-2292-5
    Language: English
    Note: Contents PREFACE CHAPTER 1. FROZEN GROUND 1.1 Frozen ground support systems Frozen earth wall Design considerations 1.2 Seasonally and perennially frozen ground Cold regions: definition Subsurface temperatures Active layer, Permafrost 1.3 Terrain features in permafrost areas Ground ice features Patterned ground 1.4 Engineering considerations Freezing process Thawing of frozen ground Frost action Useful aspects of frozen ground Ice as a construction material Problems CHAPTER 2. PHYSICAL AND THERMAL PROPERTIES 2.1 Composition and structure of frozen ground Soil types Phase relationships Ice phase Particle size and size distribution Consistency of cohesive soils 2.2 Soil classification Unified soil classification system Frozen soil classification 2.3 Water-ice phase relationships Unfrozen water in frozen soil Effect of solutes on freezing 2.4 Soil frost action Frost action process Frost susceptibility of soils Frost-heave forces Freeze-thaw effects on permeability 2.5 Thermal properties Thermal conductivity Heat capacity Thermal diffusiuity Latent heat of fusion Thermal expansion (or contraction) Problems CHAPTER 3. HEAT FLOW IN SOILS 3.1 Heat transfer at the ground surface Climatic factors Freezing (or thawing) indices Surface n-factor 3.2 Seasonal ground freezing (or thawing) Frost depth Thawing of frozen soil Design implications 3.3 Temperature below cooled (or heated) areas Steady state heat flow Transient temperatures Periodic heat flow 3.4 Thermal analysis: frozen ground support systems Single freeze pipe Wall formation Multiple rows of freeze pipes Problems CHAPTER 4. THAW BEHAVIOR OF FROZEN GROUND 4.1 Thaw settlement 4.2 Consolidation of thawing soils Thaw consolidation Residual stress in thawing soils 4.3 Thaw-consolidation in some layered systems Two layer soil problems Compressible soil ouer discrete ice layers Problems CHAPTER 5. MECHANICAL PROPERTIES OF FROZEN SOILS 5.1 Stress-strain-time and strength behavior Hydrostatic pressure effect on frozen soil behavior Shear stress effect on frozen soil behavior 5.2 Factors influencing creep and strength Creep of frozen soil under constant stress Stress-strain behavior under constant strain rate Ice content effect on strength Normal pressure effect on strength Strain rate effect on strength Temperature effect on strength Frozen soil behauior at cryogenic temperatures 5.3 Analytical representation of creep and strength data General creep equation Strength of frozen soils Comparison with Vyalou's creep and strength equations Normal pressure effect on creep and strength Salinity effect on frozen soil creep and strength 5.4 Frozen soil behavior in uniaxial tension 5.5 Deformability of frozen soils 5.6 Compressibility of frozen soils Problems CHAPTER 6. CONSTRUCTION GROUND FREEZING 6.1 Design considerations Ground freezing applications Soil conditions Groundwater flow Ground movement 6.2 Freezing methods and system installation Primary plant and pumped loop secondary coolant Expendable liquid refrigerant Installation of the cooling system 6.3 Structural design of frozen earth walls Curved walls Straight walls and combinations Tunnels Finite-element method 6.4 Monitoring requirements Freeze hole deviation Temperature Frost boundary location and wall thickness 6.5 Other construction considerations Protection of exposed frozen earth Concrete placement against frozen earth Problems CHAPTER 7. FOUNDATIONS IN FROZEN SOILS 7.1 General considerations Foundations in seasonally frozen ground Foundations in permafrost 7.2 Shallow foundations Selection of foundation method Design of shallow foundations Bearing capacity Settlement considerations 7.3 Pile foundations Pile types Pile placement Pile freezeback Axially loaded piles Laterally loaded piles Anchors in frozen ground 7.4 Frost-heave forces on foundations Tangential forces on a vertical surface Design for frost heave Problems CHAPTER 8. STABILITY OF SOIL MASSES IN COLD REGIONS 8.1 Landslides in permafrost: classification 8.2 Slopes in thawing permafrost Low-angle planar flows Slides 8.3 Slopes in frozen soils 8.4 Slope stabilization methods Construction and design techniques Stabilization of planar slides Stabilization of cut slopes Problems CHAPTER 9. EARTHWORK IN COLD REGIONS 9.1 Site considerations Drainage Thermal and frost action factors Subsurface conditions Material sources 9.2 Excavation and transport Mechanical excavation Drilling and blasting Thawing frozen soil Hydraulic dredging 9.3 Field placement Compaction Placement in water 9.4 Water-retaining embankments on permafrost Unfrozen embankments Frozen embankments Maintaining the frozen state Thermal and stability considerations 9.5 Embankment performance Frost heave Settlement Stability Artificial islands CHAPTER 10. FIELD INVESTIGATIONS 10.1. Sampling frozen ground Sampling methods Sample protection 10.2 Ground-temperature measurement Temperature sensors and measuring equipment 10.3 Field testing of frozen soils Field test methods Pressuremeter test Deep static cone penetration test Other types of field tests 10.4 Geophysical methods Seismic velocities in frozen ground Electrical properties of frozen ground Geophysical techniques used in frozen ground High-frequency electrical methods Borehole logging in permafrost APPENDIX A. SYMBOLS APPENDIX B. SI UNITS APPENDIX C LABORATORY AND FIELD TESTS ON FROZEN SOILS C1 Handling, storage, and machining of specimens prior to testing C2 Uniaxial compression test C3 Uniaxial tensile test C.4 Salinity of soil pore water C5 Thermosiphon C6 Pile load test in permafrost REFERENCES AUTHOR INDEX SUBJECT INDEX
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    Monograph available for loan
    Monograph available for loan
    Toronto : Atmospheric Environment Service, Environment Canada
    Call number: MOP 42751 / Mitte
    Type of Medium: Monograph available for loan
    Pages: V, 60, 25 Seiten , Illustrationen
    Series Statement: Canadian meteorological memoirs 25
    Language: English
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  • 38
    Monograph available for loan
    Monograph available for loan
    [Reading] : European Centre for Medium Range Weather Forecasts
    Call number: MOP 47681 / Mitte
    Type of Medium: Monograph available for loan
    Pages: vii, 480 Seiten , Illustrationen , 30 cm
    Language: English
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  • 39
    Monograph available for loan
    Monograph available for loan
    Hong Kong : Royal Observatory
    Call number: MOP 47253(1989) / Mitte
    Type of Medium: Monograph available for loan
    Pages: 96, [2] Seiten , Illustrationen
    Language: English
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  • 40
    Monograph available for loan
    Monograph available for loan
    Cambridge : British Antarctic Survey
    Call number: AWI Bio-21-94362
    Type of Medium: Monograph available for loan
    Pages: 214 Seiten , Illustrationen , 30 cm
    Edition: 1st published
    ISBN: 0856651400
    Language: English
    Note: TABLE OF CONTENTS ECOLOGY 1 Sea ice: its formation, distribution and properties 2 Ice-associated ecosystems 3 Ice diatoms 4 Techniques for sampling sea-ice algae 5 The Antarctic planktonic ecosystem 6 Some aspects of the large-scale physical oceanography of the Arctic Ocean influencing biological oceanography 7 Arctic planktonic ecosystems 8 Arctic plankton diatoms: dominant species, biogeography 9 The paleontological significance of fossil diatoms from the high-latitude oceans TAXONOMY 10 Key to diatom families and glossary 11 Family Thalassiosiraceae Section 1: the genera Skeletonema, Pororsira, Bacterosira, and Detonula and the genus Thalassiosira from the Arctic Section 2: the genus Thalassiosira from the Antarctic 12 Family Leptocylindraceae: the genus Corethron 13 Family Coscinodiscaceae: the genus Stellarima 14 Family Hemidiscaceae: the genera Actinocyclus and Azpeitia 15 Family Rhizosoleniaceae: the genera Rhizosolenia and Proboscia 16 Family Biddulphiaceae: the genus Eucampia 17 Family Diatomaceae: the genera Thalassiothrix and Trichotoxon 18 Family Naviculaceae: Arctic species of the genera Diploneis, Gyrosigma, Haslea, Navicula, Pinnularia, Pleurosigma, Stauroneis and Stenoneis 19 Family Naviculaceae: the genera Plagiotropis, Manguinea, Membraneis, and Banquisia 20 Family Naviculaceae: the genus Pseudogomphonema 21 Family Auriculaceae and Bacillariaceae: the genera Auricula, Hantzschia, and Nitzschia 22 Family Bacillariaceae: the genus Nitzschia section Pseudonitzschia 23 Family Bacillariaceae: the genus Nitzschia section Nitzschiella 24 Family Bacillariaceae: the genus Nitzschia section Fragilariopsis BIBLlOGRAPHY
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  • 41
    Call number: MOP 41085 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XIII, 144 Seiten , Illustrationen
    Language: English
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  • 42
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    Series available for loan
    Hanover, NH : Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-96
    In: Research report / Cold Regions Research and Engineering Laboratory, 96
    Description / Table of Contents: Techniques were established by which quantitative data can be obtained from patterned ground features. The field work was carried out during the summers of 1954 and 1955 near Camp Tuto, Greenland. The investigation site is described, and extensive data are presented. The soil materials composing the patterned ground features were found to be of common mineralogy, grain size distribution, and plasticity. The chemical nature of the soils does not contribute to feature formation; it is the mechanical processes acting on these materials that are important. A sharp rise in the soil water content in the form of ice was consistently noted when passing through the base of the active layer into the present permafrost. A net heave occurred at both feature center and border locations, The magnitude of the heave is about 0.05 ft for the centers and 0.03 ft for the borders. Feature age was estimated to be about 150 yr. Vertical sorting occurs over the entire depth of the active layer but radial sorting is confined to the upper 2 ft. Groundwater flow occurs mostly through the feature borders, and incoming radiation has an important effect on the progression of the frost line. The progression of thaw is very rapid and, by the end of summer, the thaw penetration is greatest under the feature centers.
    Type of Medium: Series available for loan
    Pages: VI, 76 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 96
    Language: English
    Note: CONTENTS Preface Summary Introduction Site of investigation Selection of study area General information about site and vicinity Accumulation and initial evaluation of data Feature 1 - preliminary study (raised center feature) Feature 2 - bench mark excavation - preliminary soils study (depressed center feature) Feature 3 - cobble orientation study Feature 4 - precise movement survey Feature 5 - radial comparison studies Feature 6 - moisture content survey Feature 7 - temperature and heat flow study (depressed center feature) Feature 8 - temperature and heat flow study (raised center feature) Feature 9 - ground water table studies Features 10 and 11 - permafrost table survey (depressed and raised center features) Combined analysis of data Sharp rise in water content at frost table Estimate of heave since deposition Study of heave measurements Consideration of feature formation time Soil grain size distribution within features Conclusions Recommendations for future work in this or similar patterned ground study areas Heave and ground-ice accumulation Solifluction ground flow Incoming radiation and soil albedo References Appendix A: General. study of heat budget of the active layer
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  • 43
    Call number: AWI G4-22-94986
    Description / Table of Contents: Hydrological processes occurring within the vadose zone, especially in heterogeneous soils and tills typical of the Canadian shield, are not well understood. This research investigates the importance of the vadose zone in a small headwater basin (Harp 4-21) in the Canadian shield with respect to the generation of stream runoff quantity and quality during episodic rainfall and snowmelt events. The study focused specifically on: firstly the effect of variable antecedent moisture conditions on water-table and stream response, secondly, the significance of the stored vadose water in water extracted from a rising water-table, and thirdly the significance of preferential flowpathways in the vadose zone as a means of rapidly rotating, stored vadose water to the stream during runoff events. The instrumentation of the Harp 4-21 basin includes three v-notch weirs along the stream, numerous piezometers and wells, several soil lysimeters, and three tensiometer nests. Much of the data used in this study was obtained from five sites located along a hillslope transect. Soil water content at each of the hillslope sites was accurately determined using time domain reflectometry (TDR), whereas water table elevations were measured using both electronic water level tapes and calibrated rod floats. Preferential flowpath data was derived from flow gauging and chemical analyses of water samples. Results obtained from the near-stream and lower slope reaches of the hillslope transect indicated that soil water content in the vadose zone is maintained at a high level of saturation by shallow water-table depths. Further analysis of simultaneously measured soil water content and depth to water—table data clearly showed that the existence of a thick essentially saturated zone overlying the water table (capillary fringe) was responsible for the large and rapid water-table responses observed during many of the nine studied precipitation events. On a basin scale, the seasonal variability of the area in which the capillary fringe extended to the ground surface was largely responsible for the observed trend in basin yield (runoff volume/ rainfall volume) for the nine runoff events. Chemical tracing results using silica, pH and DOC showed that the large vadose water reservoir in the near-stream and lower slope areas was a dominant component in water extracted from a rising water-table during most precipitation events. Silica results from the near-stream vadose zone showed that only the massive groundwater recharge associated with spring snowmelt could completely replace the vadose water reservoir with shorter residence time snowmelt/rainfall water. The rapid routing of stored near-stream capillary fringe vadose water through preferential pathways (macropores, soil pipes) was a significant source of runoff to the stream during runoff events. The presence of soil pipes, along with the significant vadose water reservoir in near-stream and lower slope areas are sufficient to explain the large phreatic/vadose water component typically identified in two component flow separation models, and constitutes the basis of a physically-based conceptual runoff model for the Harp 4-21 basin.
    Type of Medium: Dissertations
    Pages: 172 Seiten , Illustrationen
    Language: English
    Note: Masterarbeit, Wilfrid Laurier University, Waterloo, 1992 , Table of Contents Abstract Acknowledgements List of Figures List of Tables Chapter 1 Introduction and Literature Review 1.1 introduction 1.2 Research objectives 1.3 Literature review 1.3.1 Overland flow 1.3.2 Overland flow from partial areas 1.3.3 Subsurface stormflow 1.3.4 The variable source area subsurface stormtlow concept 1.3.5 Groundwater and the capillary fringe effect 1.3.6 Preferential flow 1.3.6.1 Macropore flow 1.3.6.2 Unstable flow 1.4 Summary of uncertainties in the vadose zone Chapter 2 Methodology 2.1 Introduction 2.2 The Harp 4-21 basin: site description 2.2.1 Basin topography 2.2.2 Bedrock and surficial geology 2.2.3 Vegetation 2.2.4 General hydrology 2.3 Basin instrumentatio 2.3.1 Stream 2.3.2 Phreatic zone 2.3.3 Vadose zone 2.3.3.1 Soil moisture 2.3.3.2 Preferential flowpaths 2.4 Hillslope transect instrumentation 2.4.1 The hillslope transect 2.4.2 Time domain reflectometry 2.4.3 Vadose water extraction 2.5 Sampling techniques, frequency and chemical analyses 2.5.1 Precipitation 2.5.2 Stream 2.5.3 Phreatic zone 2.5.4 Vadose zone 2.5.4.1 Soil moisture measurement and analysis of the TDR trace 2.5.4.2 Vadose water sampling 2.5.5 Chemical analysis Chapter 3 Results and Discussion: Antecedent Moisture Conditions 3.1 Introduction 3.2 Runoff events ~ampled during the May 1990 - April 1991 field season 3.3 Assessment of antecedent moisture conditions in the Harp 4-21 basin 3.3.1 Seasonal basin yield 3.3.2 Seasonal depth to water-table 3.3.3 Tensiometric data 3.3.4 Soil moisture conditions in the hillslope transect (Time Domain Reflectometry) 3.3.4.1 Soil water content/depth to water-table relationship 3.3.4.2 Estimation of the capillary fringe thickness and the temporal variation of basin area in which it extends to the ground surface 3.4 Assessment of the origin of water in the vadose zone of near-stream and lower slope areas which experience significant water-table responses during runoff generating events 3.4.1 Introduction 3.4.2 Near-stream 07 piezometer nest 3.4.3 Lower slope TD4 mini-piezometer nest Chapter 4 Preferential flowpathways: Results and discussion 4.1. Discharge contributions to streamflow during runoff events 4.2. Assessment of the origin of water emmitted from the soil pipes during runoff events Chapter 5 Conclusions References Appendix I Appendix II Appendix Ill Appendix IV Appendix V , Englisch
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  • 44
    Call number: S 90.0095(246)
    In: Special paper / The Geological Society of America, 246
    Type of Medium: Series available for loan
    Pages: VII, 364 Seiten , Illustrationen, graphische Darstellungen, Karten , 28 cm
    ISBN: 0-8137-2246-2
    Series Statement: Special paper / The Geological Society of America 246
    Language: English
    Note: Preface Introduction Magmatic and hydrothermal processes in ore-bearing systems Judith L. Hannah and Holly J. Stein Theoretical and Experimental Studies Theoretical contraints on the chemistry of the magmatic aqueous phase Philip A. Candela Partitioning of F and Cl between magmatic hydrothermal fluids and highly evolved granitic magma James D. Webster and John R. Holloway Internal differentiation of rare-element pegmatites; A synthesis of recent research David London Fluorine-rich Granite-Rhyolite Systems The petrogenetic and metallogenetic significance of topaz granite from the southwest England orefield D.A.C. Manning and P. I. Hill The role of fluorine in the petrogenesis of magmatic segregations in the SL Francois volcano-plutonic terrane, southeastern Missouri P. I. Nabelek and C. Russ-Nabelek Melt inclusions in the quartz phenocrysts of rhyolites from Topaz and Keg Mountains, Thomas Range, Utah Christine Payette and Robert F. Martin Rare-metal enriched peralumininous rhyolites in a continental arc, Sierra Bianca area, Trans-Pecos Texas; Chemical modification by vapor-phase crystallization Jonathan G. Price, Jeffrey N. Rubin, Christopher D. Henry, Thomas L. Pinkston, Steven W. Tweedy, and David W. Koppenaal Tin and Tungsten-bearing Granitoids Comparative petrologic evolution of the Sn and W granites of the Fairbanks-Circle area, interior Alaska R. J. Newberry, L. E. Bums, S. E. Swanson, and T. E. Smith Mineralogical variation as a guide to the petrogenesis of the tin granites and related skarns, Seward Peninsula, Alaska Samuel E. Swanson, Rainer J. Newberry, Gary A. Coulter, and Thomas M. Dyehouse Geochemistry of highly fractionated I- and S-type granites from the tin-tungsten province of western Tasmania W. N. Sawka, M. T. Heizler, R. W. Kistler, and B. W. Chappell Genesis and fluid evolution of the East Kemptville greisen-hosted tin mine, southwestern Nova Scotia, Canada Jean M. Richardson, Keith Bell, David H. Watkinson, and John Blenkinsop Mica chemistry as an indicator of oxygen and halogen fugacities in the CanTung and other W-related granitoids in the North American Cordillera W. T. van Middelaar and J. D. Keith The Black Pearl mine, Arizona; Wolframite veins and stockscheider pegmatite related to an albitic stock Christopher Schmitz and Donald M. Burt Tin-bearing Rhyolites, Black Range, New Mexico Genesis of the rhyolite-hosted tin occurrences in the Black Range, New Mexico, as indicated by stable isotope studies Robert O. Rye, John L. Lufkin, and Michael D. Wasserman Eruptive fountains of silicic magma and their possible effects on the tin content of fountain-fed lavas, Taylor Creek Rhyolite, New Mexico Wendell A. Duffield Origin of Taylor Creek rhyolite magma, Black Range, New Mexico, based on Nd-Sr isotope studies Cadi Reece, Joaquin Ruiz, Wendell A. Duffield, and P. Jonathan Patchett Other Pre-Tertiary Granitoid Examples Petrogenesis of the Proterozoic rapakivi granites of Finland Ilmari Haapala and O. Tapani Rämö The Topsails igneous suite, western Newfoundland; Fractionation and magma mixing in an "orogenic" A-type granite suite Joseph B. Whalen and Kenneth L. Currie Anorogenic, bimodal emplacement of anorthositic, charnockitic, and related rocks in the Adirondack Mountains, New York James McLelland and Philip Whitney Geochemistry and metallogeny of Arizona peraluminous granitoids with reference to Appalachian and European occurrences Anne L. Shaw and John M. Guilbert Index
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  • 45
    Series available for loan
    Series available for loan
    Boulder, Colo. : Geological Society of America
    Associated volumes
    Call number: S 90.0095(268)
    In: Special paper / The Geological Society of America, 268
    Type of Medium: Series available for loan
    Pages: ix, 406 Seiten , illustrationen, Karten , 28 cm
    ISBN: 0-8137-2268-3
    Series Statement: Special paper / The Geological Society of America 268
    Language: English
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  • 46
    Monograph available for loan
    Monograph available for loan
    Waterloo, Ont. : University of Waterloo
    Call number: AWI G6-23-95002
    Type of Medium: Monograph available for loan
    Pages: xx, 214 Seiten , Illustrationen
    Language: English
    Note: Masterarbeit, University of Waterloo, 1990 , TABLE OF CONTENTS Abstract Acknowledgements List of figures List of tables List of plates preamble CHAPTER 1: INTRODUCTION 1.1 PURPOSE AND SCOPE 1.2 LOCATION AND CLIMATE 1.3 GEOLOGICAL SETTING 1.3.1 Bedrock geology 1.3.2 Glacial history 1.3.2 Surficial geology 1.4 PREVIOUS RESEARCH AND PARALLEL STUDIES 1.5 SITE INVESTIGATIONS 1.5.1 Introduction 1.5.2 Water sampling methods 1.5.3 Piezometer methods 1.5.4 Measuring hydraulic conductivity 1.S.S Surface flow monitoring 1.5.6 Seepage meters 1.5.7 Coring and porewater squeezing 1.5.8 Frost table probing 1.5.9 Geological mapping 1.5.10 Weather records 1.5.11 Depth sounding 1.6 ANALYTICAL METHODS AND LABORATORY INVESTIGATIONS 1.6.1 Sample collection, filtration, and alkalinity 1.6.2 Analytical methods 1.6.3 Quality of chemical analyses 1.6.4 Grain-size distributions and organic matter contents in till 1.6.5 Core logging and porewater squeezing 1.6.6 SEM examination of mineral weathering CHAPTER 2: HYDROLOGY AND HYDROGEOLOGY synopsis 2.1 INTRODUCTION 2.2 LOCATION AND CLIMATE 2.3 FIELD AND ANALYTICAL METHODS 2.3.1 Field methods 2.3.2 Analytical methods 2.4 SETTING 2.5 HYDROLOGY 2.5.1 Surface hydrology 2.5.2 Groundwater hydrology 2.5.2.1 Thawing of the active layer 2.5.2.2 Structure and composition of the active layer till 2.5.2.3 Groundwater flow 2.6 DISCUSSION 2.7 CONCLUSIONS CHAPTER 3: A PRELIMINARY ASSESSMENT OF ISOTOPE HYDROLOGY AND GEOCHEMISTRY abstract 3.1 INTRODUCTION 3.2 STUDY AREA 3.3 ANALYTICAL METHODS 3.4 VEGETATION AND ACTIVE LAYER PROPERTIES 3.5 STABLE ISOTOPE DATA 3.6 WATER CHEMISTRY 3.7 SUMMARY CHAPTER 4: ISOTOPIC ANALYSIS OF EVAPORATION synopsis 4.1 INTRODUCTION 4.2 STUDY AREA 4.3 FIELD AND LABORATORY METHODS 4.3.1 Materials and field methods 4.3.2 Analytkal methods 4.4 THEORY 4.4.1 Theoretical development 4.4.2 Basis of this approach 4.5 PRESENTATION AND ANALYSIS OF DATA 4.6 DISCUSSION OF RESULTS 4.7 CONCLUSIONS CHAPTER 5: WATER BALANCE AND GEOCHEMICAL EVALUATIONS abstract 5.l INTRODUCTION 5.2 SETTING 5.3 ANALYTICAL METHODS 5.4 HYDROLOGY 5.5 WATER BALANCE CALCULATIONS 5.6 GEOCHEMISTRY 5.7 DISCUSSION 5.8 CONCLUSIONS CHAPTER 6: CONCLUSIONS AND RECOMMENDATIONS 6.1 SUMMARY OF CONCLUSIONS 6.2 RECOMMENDATIONS FOR FUTURE RESEARCH References LIST OF APPENDICES A. Part A: Stable isotope analyses of water samples Part B: Tritium analyses Part C: Field geochemical measurements Part D: Major ion analyses of water samples B. GROUNDWATER SAMPLING FROM PIEZOMETERS C. RELIABILITY OF Eh MEASUREMENTS D. PIEZOMETER DESIGNS/INSTALLATION PROCEDURES Part A: 1988 Part B: 1989 E. HYDRAULIC CONDUCTIVITY TESTING/DATA F. SURFACE FLOW MEASUREMENTS Part 1: Weir Part 2: Stream gauging G. SEEPAGE METER METHODS AND MEASUREMENTS H. CORING AND SQUEEZING METHODS I. CORE AND SOIL PIT DESCRIPTIONS J. LABORATORY INVESTIGATIONS TO ADDRESS WATER QUALITY Part A: Duplicates, blanks, and comparative analyses Part B: Filtration experiment Part C: Dissolved organic carbon Part D: Carbon-13 K. CHEMICAL AND ISOTOPIC ANALYSES OF POREWATERS EXTRACTED FROM CORES L. SCANNING ELECTRON MICROSCOPY OF TILL M. WATER BALANCE THEORY
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  • 47
    Call number: AWI G6-23-95004
    Type of Medium: Monograph available for loan
    Pages: vii, 100 Seiten , Illustrationen
    Language: English
    Note: Bachelorarbeit, Wilfrid Laurier University, 1993 , TABLE OF CONTENTS Chapter 1 Introduction Chapter 2 Literature Review 2.1 Introduction 2.2 Water Balance 2.3 Nutrient Inputs 2.4 Models Chapter 3 Study Site and Site Characteristics 3.1 Study Site Location 3.2 Geology 3.3 Surface Cover 3.4 Permafrost Depth 3.5 Lake Formation 3.6 Lake Characteristics 3.7 Lake Sub Basin Characteristics 3.8 Climate 3.9 Precipitation and Melt 3.10 Evaporation Chapter 4 Methods 4.1 Introduction 4.2 Physical Sampling 4.2.1 Water Level 4.2.2 Stream Discharge 4.2.3 Precipitation 4.2.4. Radiation 4.2.5 Evaporation 4.2.6 Groundwater 4.3 Chemical Sampling 4.3.1 Total Phosphorus 4.4 Biological Sampling 4.4.1 Chlorophyll a 4.5 Water Balance 4.6 Nutrient Inputs 4.7 Models 4.7.1 Predicting Total Phosphorus Concentrations 4.7.2 Chlorophyll a Chapter 5 Results 5.1 Introduction 5.2 Water Balance 5.2.1 Lake Storage 5.2.2 Stream Discharge 5.2.3 Precipitation 5.2.4 Radiation 5.2.5 Evaporation 5.2.6 Groundwater 5.3 Nutrient Inputs 5.4 Models 5.4.1 Predicting Total Phosphorus Concentrations 5.4.2 Chlorophyll a Chapter 6 Discussion 6.1 Introduction 6.2 Water Balance 6.3 Nutrient Inputs 6.4 Models Chapter 7 Further Study Appendices Appendix 1 Lake Storage Appendix 2 Discharge Data Appendix 3 Precipitation Appendix 4 Radiation Appendix 5 Evaporation Appendix 6 Nutrient Data Appendix 7 Chlorophyll a Bibliography , Englisch
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  • 48
    Monograph available for loan
    Monograph available for loan
    Anchorage, Alas. : Bureau of Land Management, Alaska State Office | Anchorage, Alas. : Alaska Natural History Association
    Call number: AWI G3-23-95156
    Type of Medium: Monograph available for loan
    Pages: 128 Seiten , Illustrationen, Karten , 27 cm
    ISBN: 0930931106 , 0-930931-10-6
    Language: English
    Note: Contents Foreword Introduction Oil - Catalyst for change The Haul Road - Highway to the Arctic Origins: The geologic setting Glaciers shape the land Glaciation and wildlife distribution Permafrost and the periglacial environment The Dalton Highway road log Glossary Selected references
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  • 49
    Dissertations
    Dissertations
    Wageningen : Landbouwuniversiteit Wageningen
    Call number: AWI G3-23-95005
    Description / Table of Contents: In this thesis processes and parameters associated with heat and mass transfer in frozen porous media both on a theoretical and empirical basis are studied. To obtain the required measurements some existing measuring methods needed to be improved. Firstly, an improved model has been developed for the measurement of thermal conductivity with use of the nonsteady-state probe method. The measurements of thermal conductivity indicate four separate effects caused by the freezing process. The second improved measuring method is the measurement of bulk electrical conductivity with use of time-domain r e flectometry. And the third improvement is the use of the dispersion theory in the description of relations between water content and bulk electrical conductivity or dielectric constant. This thesis shows that time-domain reflectometry can be used to measure the unfrozen water content and bulk electrical conductivity simultaneously under frozen conditions and that from the latter parameter solute redistribution can be monitored. From the measured heat flows a time delay in the forming of pore ice can be concluded. From the measured moisture transport (resulting in frost heave) a relation with some soil properties could be established. For some of the materials studied a minimum temperature gradient has been observed at which heave starts . From this and other results an effort was made to come to a synthesis of the rigid ice concept and the segregation potential concept. The thesis finishes with some recommandations in connection with the improvement of soil structure by freezing, frost heave and artificial ground freezing.
    Type of Medium: Dissertations
    Pages: 8, 204 Seiten , Illustrationen
    Language: English
    Note: Dissertation, Landbouwuniversiteit Wageningen, Wageningen, 1991 , 1 INTRODUCTION 1.1 Fields of interest 1.2 Macroscopic freezing test 1.3 Microscopic model 1.4 Aim of the thesis 1.5 Overview of the thesis 2 THEORY 2.0 Introduction to the chapter 2.1 Theory of different soil analyses 2.1.1 Particle size distribution 2.1.2 Specific surface area 2.1.3 Cation exchange capacity 2.1.4 Zeta potential 2.1.5 Water retention 2.1.6 Hydraulic conductivity 2.1.7 Thermal conductivity 2.2 Determination of soil water content by time-domain reflectometry 2. 2.1 Transmission line theory 2.2.2 Water content 2.2.3 Bulk electrical conductivity 2.3 Transfer of heat and mass 2.3.1 Moisture transport 2.3.2 Heat transport 2.3.3 Solute transport 3 NEW MODELS AND METHODS 3.0 Introduction to the chapter 3.1 A new model for the nonsteady-state probe method to measure thermal properties of porous media 3.1.0 Abstract 3.1.1 Introduction 3.1.2 Present approach 3.1.3 Experimental set-up 3.1.4 The perfect line source model 3.1.5 The modified Jaeger model 3.1.6 Gauss-Newton iteration 3.1.7 Calibration measurements 3.1.8 Conclusions 3.2 A new method to measure bulk electrical conductivity in soil using time-domain reflectometry 3.2.0 Abstract 3.2.1 Introduction 3.2.2 Measurement theory 3.2.3 Materials and methods 3.2.4 Results and discussion 3.2.5 Conclusions 3.3 Application of dispersion theory to time-domain reflectometry in soils 3.3.0 Abstract 3.3.1 Introduction 3.3.2 Dielectric constant as a function of water content 3.3.2.1 Soil as a two phase dielectric medium 3.3.2.2 Unfrozen soils 3.3.2.3 Frozen soils 3.3.3 Bulk electrical conductivity as a function of water content 3.3.4 Materials and methods 3.3.5 Results and discussion 3.3.5.1 Validation of the model for bulk electrical conductivity 3.3.5.2 Comparison with other models 3.3.6 Conclusions 3.3.7 Appendix 3.4 Description of the experiments to measure heat and mass transfer in freezing porous media 3.4.1 Experimental set-up 3.4.2 Used materials 3.4.3 Relations between soil physical and electrochemical properties 4 RESULTS AND DISCUSSION 4.0 Introduction to the chapter 4.1 Thermal conductivity of unsaturated frozen sands 4. 1.0 Abstract 4.1. 1 Introduction 4.1. 2 Experimental set-up 4.1. 3 Theoretical approach 4. 1.4 Properties of the used sands 4.1.5 Measured heat flows 4.1. 6 Measured thermal conductivities 4.1. 7 Discussion 4.2 Heat transfer 4.2.1 Heat capacity 4.2.2 Thermal conductivity 4.2.2.1 Influence of the temperature dependence of the pore ice versus unfrozen water content 4.2.2.2 Contribution of the apparent thermal conductivity 4.2.2.3 Segregated ice content 4.2.2.4 Presence of the freezing front close to the measuring probe 4.2.3 Latent heat of in situ freezing 4.2.4 Heat balances 4.2.5 Temperature fields 4.2.6 Dynamics of heat flows in frozen porous materials 4.3 Moisture transfer 4.3.1 Segregation potential 4.3.2 Influence of soil physical and electrochemical properties 4.4 Application of time-domain reflectometry to measure solute concentration during soil freezing 4.4.0 Abstract 4.4.1 Introduction 4.4.2 Materials and methods 4.4.3 Results and discussion 4.4.3.1 Influence of temperature 4.4.3.2 Influence of liquid water content 4.4.3.3 Redistribution of solutes 4.4.4 Conclusions 4.5 Influence of added solutes on moisture transfer 5 CONCLUSIONS AND FINAL DISCUSSION 5.1 General discussion 5.2 Recommandations in connection with frost in porous media , Zusammenfassung in niederländischer Sprache
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  • 50
    Call number: ZSP-387-7
    In: International project on paleolimnology and late cenozoic climate
    Type of Medium: Series available for loan
    Pages: 179 S. : Ill., graph. Darst.
    Language: English
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  • 51
    facet.materialart.
    Unknown
    Berlin : Technische Fachhochschule Berlin
    Call number: K 96.0195
    Language: English
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  • 52
    Call number: AWI NBM-19-92759
    Type of Medium: Non-book medium
    Pages: 1 Videokassette (VHS, 58 Min.) : farbig , 58 min
    Language: English
    Note: A message to the world .... Antarctica, the last true wilderness, must remain inviolate, free from polution and exploitation, a living laboratory for scientific research and a continent of unsurpassed beauty for the inspiration of mankind.
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  • 53
    Monograph available for loan
    Monograph available for loan
    Dublin : Department of Transport and Power, Meteorological Service
    Call number: MOP 36777
    Type of Medium: Monograph available for loan
    Pages: 72 Seiten , Illustrationen, Tabellen
    Language: English
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  • 54
    Call number: AWI G7-19-92221
    Type of Medium: Series available for loan
    Pages: Seiten 437 - 505 , Illustrationen
    Series Statement: Philosophical transactions of the Royal Society : Series A, Mathematical and physical sciences 265.1969,1166
    Language: English
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  • 55
    Call number: AWI G1-19-92268
    In: University of California publications in geological sciences, Volume 85
    Type of Medium: Monograph available for loan
    Pages: V, 101 Seiten , Illustrationen
    Series Statement: University of California publications in geological sciences 85
    Language: English
    Note: Contents: Abstract. - Introduction and Acknowledgements. - Metamorphic basement. - Plutonic rocks. - Review of plutonism in Central America, excluding Honduras. - Plutonic rocks of Honduras. - Mesozoic and eocene rocks. - General statement. - Vallę de Angeles group. - Esquias formation. - Matagalpa Formation. - Subinal redbeds. - Ignimbrites. - The pre-ignimbrite surface. - Thickness of the ignimbrites. - Lithology and mineral composition. - Associated lavas. - Ignimbrite vents. - Fluviatile and lacustrine beds associated with ignimbrites. - Age and correlation. - Chemical composition - major elements. - Origin of ignimbrite magmas. - Dikes. - Borderlands of the Gulf of Fonseca. - The Gracias Formation. - Quaternary Volcanism. - General statement. - Description of individual volcanic fields. - Gulf of Fonseea. - Volcanoes of the central highlands. - The Lake Yojoa volcanic field. - Lavas in the Sula graben. - Utila Island. - Geologic structure of Honduras. - Appendix: Microscopic Petrography. - A. Plutonic rocks. - B. Andesites and basalts of the Matagalpa Formation. - C. Lavas of the Gulf of Fonseca sequence. - D. Dike rocks. - E. Ignimbrites. - F. Quaternary lavas. - Literature cited.
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  • 56
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-91/12
    In: CRREL Report, 91-12
    Description / Table of Contents: Field trials using a man-portable Geonics, Ltd., EM31 electromagnetic induction sounding instrument, with a plug-in data processing module, for the remote measurement of sea ice thickness, are discussed. The processing module was made by Flow Research Inc., to directly measure sea ice thickness and show the result in a numerical display. The EM31-processing module system was capable of estimating ice thickness within 10% of the true value for ice from about 0.7 to 3.5 m thick, the oldest undeformed ice in the study area. However, since seawater under the Arctic pack ice has a relatively uniform conductivity (2.5 + or - 0.05 S/m), a simplified method, which can be used for estimating sea ice thickness using jet an EM31 instrument, is discussed. It uses only the EM31's conductivity measurement, is easy to put into use and does not rely on theoretically derived look-up tables or phasor diagrams, which may not be accurate for the conditions of the area.
    Type of Medium: Series available for loan
    Pages: iv, 23 Seiten , Illustrationen
    Series Statement: CRREL Report 91-12
    Language: English
    Note: CONTENTS Preface Introduction EM 31 Sounding concepts Previous EMI studies Beaufort Sea field trials EM 31 Conductivity reading versus sea ice thickness General comments Literature cited Abstract
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  • 57
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-92/14
    In: CRREL Report, 92-14
    Description / Table of Contents: Large ice jams on the Salmon River have reached Salmon, Idaho, and resulted in major flood damage during 16 winters since the winter of 1936-37. Two recent ice jams, in February 1982 and January 1984, caused flooding that resulted in damages of $1 million and $1.8 million respectively. A detailed analysis of the winter air temperature records from 1936-37 through 1991-92 revealed a strong relationship between the duration and intensity of severe cold periods, the air temperature record prior to the severe cold periods, and the occurrence of ice jams reaching the city of Salmon that result in flooding. A threshold condition is identified from which the probability of icejams reaching the city can be determined from inspection of forecasted air temperatures. It was found that once an icejam reaches the city, average daily air temperatures of approximately 18 deg F are necessary to keep the jam in place. The effects of discharge on ice thickness, and therefore ice jam length, are shown to be minor and no relation could be found in this study. An ice control structure located upstream of the city of Salmon appears to be helping to alleviate ice-jam flooding.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 92-14
    Language: English
    Note: CONTENTS Preface Conversion factors Introduction Data sources and analysis Air temperature records Air temperature curves Air temperature record analysis Discharge records Results Phase 1 Phase 2 Phase 3 Effects of discharge Salmon River ice control Conclusions Literature cited Abstract
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  • 58
    Monograph available for loan
    Monograph available for loan
    Joensuu : European Forest Institute
    Call number: PIK W 510-19-92836
    Type of Medium: Monograph available for loan
    Pages: 87 Seiten
    ISBN: 9529844018
    Series Statement: Working paper / European Forest Institute 2
    Language: English
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  • 59
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-93/9
    In: CRREL Report, 93-9
    Description / Table of Contents: Traction on winter surfaces was measured using three test vehicles, each designed to measure traction for a different purpose: vehicle mobility research (CRREL Instrumented Vehicle), commercial tire testing (Uniroyal- Goodrich traction tester), and airport runway safety (Saab friction tester). The traction measured with each method is comparable, but there are systematic differences due to the effects of the surface material and the test and analysis technique. This comparison serves as the fundamental basis for collaboration between the various traction testing communities and illustrates the need for well documented test procedures and data analysis as a standard for traction testing and evaluation.
    Type of Medium: Series available for loan
    Pages: iii, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 93-9
    Language: English
    Note: CONTENTS Preface Introduction Traction test methods Saab friction tester Uniroyal-Goodrich traction tester CRREL Instrumented Vehicle Surfaces tested Reporting results and terminology Factors influencing traction Results Traction curves for each surface Traction coefficients Conclusion Literature cited Appendix A: Vehicle instrumentation and samples of graphic output Appendix B: Comparison of measured traction coefficients with published andpredicted values Abstract
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  • 60
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-94/5
    In: CRREL Report, 94-5
    Description / Table of Contents: A three-dimensional theory is derived to describe the temporal behavior of gravity currents of cohesionless granular media, in an attempt to model the motion of dense, flow-type snow avalanches, ice and rock slides. A mohr-Coulomb yield criterion is assumed to describe the constitutive behavior of the material, and the basal bed friction is described similarly by a Coulomb type of friction. A drag term is included in order to model the occurrence of flow regimes where boundary drag becomes non-negligible. Data from laboratory simulations are compared to a series of numerical studies based on the aforementioned theory. A nondimensional, depth and width averaged form of the theory is considered. A Lagrangian finite difference scheme is then applied to numerically model some limiting cases of the governing equations. Two different numerical models are developed, tested and compared to experimental values. The results indicate that the model can account for flow transitions by inclusion of the drag term when the initial inclination angle is large enough to affect boundary drag. Furthermore, the temporal and spatial evolution of the granulate and final runout position can be predicted to values well within the experimental error.
    Type of Medium: Series available for loan
    Pages: iv, 29 Seiten , Illustrationen
    Series Statement: CRREL Report 94-5
    Language: English
    Note: CONTENTS Preface Nomenclature Introduction Mathematical formulation Limiting cases of the governing equations Nondimensionalization scheme Numerical solutions and comparison to experiments Unconstrained Coulomb flow model with constant bed friction Unconstrained Coulomb flow with boundary drag term Conclusions and remarks Literature cited Abstract
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  • 61
    Call number: MOP 40553 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 176 Seiten
    Language: English
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  • 62
    Call number: AWI G6-19-93207
    Type of Medium: Monograph available for loan
    Pages: 42 Blätter
    Language: English , German
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  • 63
    Call number: ZSP-SCAR-701
    Type of Medium: Series available for loan
    Language: English
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  • 64
    Call number: ZSP-201-90/9
    In: CRREL Report, 90-9
    Description / Table of Contents: In 1986, a mobility model was developed for predicting the traction and motion resistance of both wheeled and tracked vehicles on shallow snow, and a winter field season was dedicated to gathering mobility data for a diverse family of vehicles (including four on wheels and three tracked) to validate the model. The original version of the model, SSM 1.0, used the Mohr-Coulomb shear failure equation from soil mechanics to predict gross traction. This required input of the snow strength parameters c and ȹ. Motion resistance is predicted by calculating the amount of work done by the tire in compacting snow and only requires snow depth and density values as input snow properties. Some effort was expended in determining an easy and reliable method of obtaining snow strength established from past instrumented vehicle test results. Historically, shear annulus apparati have been used to obtain Mohr-Coulomb strength parameters. A comparison of snow strength obtained via these three methods (shear annulus, instrumented vehicle, calculated from initial density using the relationship in SSM 1.0) for individual snow covers showed no agreement. SSM 1.0 assumed that snow strength parameters for mobility prediction were a function of initial snow density; however, traction is developed in the compacted snow under the driving element, whose strength properties bore little relation to those of the initial snow. It appears that the shear strength of the compacted snow is essentially a constant for all of the vehicles and snow covers tested here. Based on this finding, a new traction algorithm was developed, resulting in the creation of a second generation model, SSM 2.0. This algorithm predicts gross traction, on the average for the vehicles tested, within 7% of the measured value. Motion resistance prediction remains unchanged in SSM 2.0. This quantity is still not predicted with a desirable level of accuracy.
    Type of Medium: Series available for loan
    Pages: v, 72 Seiten , Illustrationen
    Series Statement: CRREL Report 90-9
    Language: English
    Note: CONTENTS Preface Nomenclature Introduction Background Field experiments Test location and test sites Test vehicles Test procedures Results CIV traction and motion resistance Wheels/trackcs vehicles traction and motion resistance Shear annulus device Accuracy and limitations of data Snow conditons Analysis Determination of snow strength parameters Traction analysis Traction model predictions Resistance analysis Resistance model predictions Conclusions and recommendations Literature cited Appendix A: Shallow snow mobility model, version 1.0 Appendix B: Test vehicle data Appendix C : Selected test data Appendix D : Snow data Appendix E: Shallow snow mobility model code, version 2.0 Abstract
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  • 65
    Monograph available for loan
    Monograph available for loan
    Washington D.C. : Environmental Science Services Administration National Aeronautics and Space Administration United States Air Force
    Call number: MOP 40337 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XX, 289 Seiten , Illustrationen
    Language: English
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  • 66
    Monograph available for loan
    Monograph available for loan
    Boston : American Meteorological Society
    Call number: MOP 40509 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 347 Seiten , Illustrationen
    Language: English
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  • 67
    Monograph available for loan
    Monograph available for loan
    London : The National Society for Clean Air
    Associated volumes
    Call number: MOP 41127 / Mitte
    In: Proceedings of the International Clean Air Congress
    Type of Medium: Monograph available for loan
    Series Statement: Proceedings of the International Clean Air Congress Proceedings: part 2
    Language: English
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  • 68
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-87
    In: Research report / Cold Regions Research and Engineering Laboratory, 87
    Description / Table of Contents: Abstract: A consistent theory of plane plastic deformation of soil is formulated by assuming soil as an ideal material that has constant cohesion and friction angle. Such an ideal soil is an extension of the ideal metal that has, in the terminology of soil mechanics, cohesion only. After a review of the existing theories from which the present theory has emerged, the mathematical expression referred to as the "compression characteristic" is developed. Then the system of differential equations is shown by the theory of characteristic lines. Many mathematical and physical problems remain to be solved before the perfect explanation of the plasticity of ideal soil will be attained.
    Type of Medium: Series available for loan
    Pages: iv, 42 Seiten
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 87
    Language: English
    Note: CONTENTS Preface Summary Introduction Review of existing theories The compression characteristic Characteristic directions Conclusions Literature cited Appendix A. Proof of Yamaguchi's principle Appendix B. Strain-rate tensor in the strain-rate characteristic line coordinates Appendix C. Stress, strain-rate relationship Appendix D. Bearing on the. Drucker and Prager three -dimensional deformation Appendix E. Notation
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  • 69
    Call number: MOP 47597 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 14 [57] Seiten , 30 cm
    Language: English
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  • 70
    Monograph available for loan
    Monograph available for loan
    Boca Raton : Smoley
    Call number: PIK N 601-93-0043
    Type of Medium: Monograph available for loan
    Pages: VIII, 308 S , graph. Darst.
    ISBN: 0849387221
    Language: English
    Location: A 18 - must be ordered
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  • 71
    Monograph available for loan
    Monograph available for loan
    Oxford : Oxford University Press
    Call number: PIK B 150-20-93976
    Type of Medium: Monograph available for loan
    Pages: VIII, 470 Seiten
    Edition: Reprinted
    ISBN: 0198239378 , 9780198239376
    Series Statement: Clarendon paperbacks
    Language: English
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  • 72
    facet.materialart.12
    facet.materialart.12
    London : Geological Society of London
    Call number: 10.1144/GSL.SP.1969.003.01.01
    Type of Medium: 12
    Pages: 1 Online-Ressource (VIII, 311 Seiten)
    Series Statement: Special publications / the Geological Society, London 3
    Language: English
    Note: Table of Contents Introductory Remarks Displacement within continents Introductory remarks R. M. Shackleton Geological Society, London, Special Publications, 3, 1-7, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.01 Structural Analysis of Orogenic Belts Problems of the relationship between surface structure and deep displacements illustrated by the Zagros Range N. L. Falcon Geological Society, London, Special Publications, 3, 9-21, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.02 Some principles governing interpretation of structure in the Rocky Mountain orogenic belt F. G. Fox Geological Society, London, Special Publications, 3, 23-41, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.03 The measurement of strain and displacement in orogenic belts J. G. Ramsay Geological Society, London, Special Publications, 3, 43-79, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.04 The construction of sections in areas of highly deformed rocks W. E. A. Phillips and J. G. Byrne Geological Society, London, Special Publications, 3, 81-93, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.05 The palaeomagnetic evidence of displacements within continents D. H. Tarling Geological Society, London, Special Publications, 3, 95-113, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.06 Historical Analysis of Orogenic Belts Interpretation of stratigraphical ages in orogenic belts W. B. Harland Geological Society, London, Special Publications, 3, 115-135, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.07 Interpretation of isotopic ages in orogenic belts P. E. Brown and J. A. Miller Geological Society, London, Special Publications, 3, 137-155, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.08 A new approach to radio-isotopic dating in orogenic belts F. J. Fitch, J. A. Miller and J. G. Mitchell Geological Society, London, Special Publications, 3, 157-195, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.09 Other Analyses Orogenic belts and their parts N. Rast Geological Society, London, Special Publications, 3, 197-213, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.10 Sedimentary thicknesses in orogenic belts R. Stoneley Geological Society, London, Special Publications, 3, 215-238, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.11 Rates of change within orogenic belts J. Sutton Geological Society, London, Special Publications, 3, 239-250, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.12 The deep structure of orogenic belts—the root problem E. R. Oxburgh Geological Society, London, Special Publications, 3, 251-273, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.13 Orogeny in relation to crust and upper mantle M. H. P. Bott Geological Society, London, Special Publications, 3, 275-283, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.14 Internal features of some orogenic belts of Africa T. N. Clifford Geological Society, London, Special Publications, 3, 285-287, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.15 Closing Remarks Displacement within continents Kingsley Charles Dunham Geological Society, London, Special Publications, 3, 289-290, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.16 Discussion Geological Society, London, Special Publications, 3, 291-308, 1 January 1969, https://doi.org/10.1144/GSL.SP.1969.003.01.17
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  • 73
    Call number: AWI P5-22-95026
    Type of Medium: Monograph available for loan
    Pages: IV, 164 Seiten , Illustrationen
    ISBN: 0-920603-44-0
    Language: English
    Note: CONTENTS Introduction / Ming-ko Woo and Denis J. Gregor No Great Change: A Commentary on 50 Years of Watching Arctic Science / F. Kenneth Hare Arctic Climate in the Future / David Etkin and Tom Agnew Ice and Snow in the Arctic and Global Change / Peter Adams Snow, Sea· Ice and Climate: A Study of Scales / Ellsworth F. LeDrew and David G. Barber Past Climate Changes as Deduced from Canadian Ice Cores / Roy M. Koerner Natural and Anthropogenic Influences on the Chemical Composition of the Arctic Troposphere / Leonard A. Barrie Organic Micropollutants in Arctic Snow and Pim / Denis J. Gregor Climatic Change and the Permafrost Landscape / Antoni G. Lewkowicz Arctic Streamflow / Ming-ko Woo Ecology and Palaeocology of the Northern Treeline / Glen M. MacDonald and K. Gajewski Climate Change and its Effects on Canadian Arctic Plant Communities / Sylvia A. Edlund Environmental Change and Prehistory in Arctic Canada / Patricia D. Sutherland Concluding Remarks / George D. Hobson Glossary
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  • 74
    Call number: MR 22.94898
    In: Special publication, 2
    Type of Medium: Monograph available for loan
    Pages: xix, 432 Seiten , Illustrationen
    ISBN: 0-9418-0901-3
    Series Statement: Special publication / The Geochemical Society No. 2
    Language: English
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  • 75
    Monograph available for loan
    Monograph available for loan
    San Antonio, Tex : Geochemical Society
    Associated volumes
    Call number: MR 22.94901
    In: Special publication / The Geochemical Society, 4
    Type of Medium: Monograph available for loan
    Pages: xi, 184 Seiten , Illustrationen , 27 cm
    ISBN: 0-941809-03-X
    Series Statement: Special publication / The Geochemical Society No. 4
    Language: English
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  • 76
    Series available for loan
    Series available for loan
    Berlin : VEB Deutscher Verlag der Wissenschaften
    Associated volumes
    Call number: 7120
    In: Mathematische Forschungsberichte, 23
    Type of Medium: Series available for loan
    Pages: 98 Seiten , Illustrationen
    Series Statement: Mathematische Forschungsberichte 23
    Language: English
    Note: TABLE OF CONTENTS Abstract Introduction Chapter I. The algebras H and L 1. Notation. General conventions 2. Fundamental notions and definitions 3. Geometrical interpretation 4. Summary Chapter II. Monogenic functions 1. Functions which have hypercomplex values 2. Monogenic functions 3. Representatives of monogenic functions in the Banach algebra Lγ 4. Analyticity of monogenic functions Chapter III. Some elementary monogenic functions I. Introduction 2. The inverse function ζ-1 3. The exponential function 4. The components of a power series with real coefficients 5. Trigonometric and hyperbolic functions 6. The logarithmic function 7. The inverse function ζ*-1 8. The singular manifold of (ζ-α*)-1 Chapter IV. Hypercomplex integrals and theorems of Cauchy's type 1. Introduction. Integrals of hypercomplex-valued functions 2. Integrals of monogenic functions over closed curves and surfaces 3. Cauchy's second theorem for monogenic functions of ζ 4. An application of Cauchy's second theorem Chapter V. On some results of Marcel N. Roşuleţ 1. Introduction 2. An algebra associated with Laplace's equation 3. Summary of analysis 4. On the relation between the algebras U and L Appendix. The product of two algebra elements Bibliography
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  • 77
    Monograph available for loan
    Monograph available for loan
    [New York] : Macmillan
    Call number: MR 23.95461
    Type of Medium: Monograph available for loan
    Pages: xi, 400 Seiten , Illustrationen, graphische Darstellungen, Karten
    Edition: Second edition
    ISBN: 0023493534 , 0-02-349353-4
    Language: English
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  • 78
    Call number: MR 24.95673
    In: Vol. K-2, [Hauptbd.]
    Type of Medium: Monograph available for loan
    Pages: XIII, 672 Seiten , Illustrationen, Karten
    ISBN: 0813752159
    Series Statement: Geology of Canada ...
    Language: English
    Location: Upper compact magazine
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  • 79
    Call number: 21/SR 93.0335(94,3)
    In: KTB Reports
    Type of Medium: Series available for loan
    Pages: VI, 200 Seiten , Illustrationen, Karten , 30 cm
    ISBN: 3928559133
    Series Statement: KTB-Report 94,3
    Language: German , English
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  • 80
    Call number: AWI A14-18-91746
    In: NASA Reference Publication, 1233, Vol. 2
    Description / Table of Contents: A gridded surface elevation data set and a geo-referenced data base for the Seasat radar altimeter data over Greenland are described in this volume. It is intended to be a "user's guide" to accompany the data provided to data centers and other users. The grid points are on a polar stereogrphic projection with a nominal spacing of 20 km. The gridded elevations are derived from the elevation data in the geo-referenced data base by a weigthed fitting of a surface in the neighborhood of each grid point. The gridded elevations are useful for the creating of large-scale contour maps, and examining individual elevation measurements in specific geographic areas. Tape formats are described, ans a FORTRAN program for reading the data tape is listed and provided on the tape. For more details of the data processing procedures and corrections that were derived and applied to the data, see Volume 1 of this series.
    Type of Medium: Monograph available for loan
    Pages: 92 Seiten , Illustrationen, graphische Darstellungen
    Series Statement: NASA Reference Publication 1233, Vol. 2
    Language: English
    Note: Table of Contents: Preface. - 1.0 Introduction. - 2.0 Geo-referenced data base. - 3.0 Polar stereographic elevation grid. - 4.0 Goid grid. - Tables. - Appendix. - References.
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  • 81
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizd
    Associated volumes
    Call number: MOP 33002
    In: International geophysics series, Vol. 7
    Type of Medium: Monograph available for loan
    Pages: VIII, 397 Seiten
    Series Statement: International geophysics series 7
    Language: Undetermined
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  • 82
  • 83
    Monograph available for loan
    Monograph available for loan
    Copenhagen : [s.n.]
    Call number: AWI G7-19-91942
    Type of Medium: Monograph available for loan
    Pages: 140 Seiten , Illustrationen
    Language: English
    Note: CONTENTS: Report on the 1999 activities of NGRIP Operations. - Objective. - Kangerlussuaq (Søndre Strømfjord). - Preparation of the field season. - Start of the field season. - Starting the camp. - Drilling. - Additional Kangerlussuaq equipment. - Luminescence sampling. - Summary. - Acknowledgement. - Summary of drilling experience. - NGRIP penetration rate. - 1999 Field Season, Diary. - Communication. - Schedule for camp close down. - Maintenance/Logistics after the season. - Bulk Supplies. - List of participants. - NGRIP camp load. - Table of LC130 flights. - NGRIP 1999 sub programs. - Kansas Radar. - NGRIP Paleothermometry Experiement. - Automatic weather stations. - Atmospheric dust program. - GLATIS, seismic program. - Test of Italian radar. - AWl Polar 2 radar/magnetic flights. - Sitreps. - Daily reports from NGRIP. - Surface topography near NGRIP. - Surface topography around the NGRIP site, July 1998. - Map of trenches, not updated. - Tower and roof opening of original trench. - Inclined drill pit, 1996. - Map of Greenland. - ERS1 based Topography of North Greenland. - Map of skiway. - Map of ice divide north of Summit. - Map of magnetic declination in Greenland. - Borehole inclination and inclinometer offset. - List of NGRIP addresses.
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  • 84
    Series available for loan
    Series available for loan
    Bremerhaven : Alfred-Wegener-Institut für Polar- und Meeresforschung
    Associated volumes
    Call number: ZSP-994(1992/1993) ; ZSP-994(1992/1993, eng)
    In: Zweijahresbericht / Stiftung Alfred-Wegener-Institut für Polar- und Meeresforschung, 1992/1993
    Type of Medium: Series available for loan
    Pages: 196 Seiten , Illustrationen
    ISSN: 0940-4546 , 1618-3703
    Series Statement: Zweijahresbericht / Stiftung Alfred-Wegener-Institut für Polar- und Meeresforschung 1992/1993
    Language: German , English
    Note: Inhaltsverzeichnis 1. Einleitende Übersicht 2. Nationale und internationale Zusammenarbeit 3. Forschungsarbeiten - Expeditionen 3.1 Antarktisexpedition X/2-8 3.2 Arktisexpedition IX 3.3 Antarktisexpedition Xl 3.4 Landexpedition Sibirien 4. Wissenschaftliche Arbeiten der Sektionen 4.1 Biologie I (Zoologie) 4.2 Biologie II (Botanik und Mikrobiologie) 4.3 Chemie 4.4 Geologie 4.5 Geophysik 4.6 Physik des Ozeans und der Atmosphäre I 4.7 Physik des Ozeans und der Atmosphäre II 4.8 Meeresphysik und Meßwesen 4.9 Forschungsstelle Potsdam 5. Ausgewählte Forschungsthemen Die Entwicklung von Kaltwasser-Makroalgen Die Biodiversität des antarktischen Benthos Weddellrobben - Tieftaucher in der Hochantarktis Die weltweit verbreitete Planktonalge Phaeocystis: Untersuchungen zu physiologischen und molekularen Unterschieden Die Entwicklung von Algen- und Bakteriengemeinschaften im Meereis Zooplanktonkot in der Arktis: Nahrungsgrundlage im Pelagial oder Transportvehikel bei der Sedimentation? Stimuliert ein globaler Anstieg des Kohlendioxids die marine Primärproduktion? Die Beziehung zwischen Huminstoffen und Aminosäuren in polaren Gewässern Die Ozonverteilung in der Atmosphäre über dem Atlantik Pinatubo-Aerosole und polare stratosphärische Wolken Spurengas-Messungen in der arktischen Stratosphäre während der Polarnacht Die mittleren vertikalen Ozonverteilungen über Arktis und Antarktis Eisbewegung und Subglazialtopographie im Umfeld der Schirmacheroase, Ostantarktis Umweltgeschichte der kontinentalen Ostantarktis - aufgezeichnet in Seesedimenten Das antarktische Meereis und seine Verbreitung in geologischer Vorzeit-Rekonstruktion und Modellierung Kalt- und Warmzeiten im Südatlantik anhand benthischer Foraminiferen Terrigener Sedimenteintrag im östlichen Arktischen Ozean Mineralbildung in Sedimenten und Böden der Permafrostzone Seismische Untersuchungen im eurasischen Becken (Arktischer Ozean) Untersuchungen zum Massenhaushalt des Inlandeises in Nordostgrönland Wassermassenbildung im Storfjord - ein Modell arktischer Schelfgebiete Atmosphärische Rollenkonvektion in der Framstraße ERS-l Radaraufnahmen des antarktischen Meereises Der Einfluß von Algen auf die physikalischen Prozesse im Meereis: ein Modell Die Bestimmung der Zirkulation im Weltmeer aus hydrographischen Daten Auswirkungen der Tiefenwasserproduktion auf die Zirkulation des Nordatlantik Infrarot-Zeilenkamera zur verbesserten Meereisfernerkundung LlDAR-Gerät zur Beobachtung fluoreszierender Stoffe im Meer Untersuchung der durch das Ozonloch verursachten UV-B Belastung auf Produktion und Artenzusammensetzung des Phytoplanktons 6. Logistik 7. Zentrale Einrichtungen 7.1 Öffentlichkeitsarbeit 7.2 Bibliothek 7.3 Rechenzentrum 8. Personeller Ausbau und Haushaltsentwicklung 8.1 Personal 8.2 Haushalt Anhang I Personal II Wissenschaftliche Veranstaltungen III Publikationen des Instituts IV Veröffentlichungen der Mitarbeiter V Abgeschlossene Examensarbeiten VI "Polarstern"-Expeditionen , Contents 1. Introductory Overview 2. International and National Cooperation 3. Research Projects - Expeditions 3.1 ANT X/2-8 3.2 ARK IX 3.3 ANT XI 3.4 Land Expedition to Siberia 4. Scienlific Work of the Sections 4.1 Biology I (Zoology, Ecophysiology and Macroalgae Ecology) 4.2 Biology II (Botany and Microbiology) 4.3 Chemistry 4.4. Geology 4.5 Geophysics and Glaciology 4.6 Physics of the Ocean and Atmosphere I 4.7 Physics of the Ocean and Atmosphere II 4.8 Marine Physics and Instrumentation 4.9 Potsdam Research Unit 5. Selected Research Topics The Evolution of cold-water macroalgae Antarctic Benthos Biodiversity Weddell Seals - deep divers in the High Antarctic The Cosmopolitan Planktonic Alga Phaeocystis: investigations into physiological and molecular differences Development of algal and bacterial communities in sea ice Zooplankton Faeces in Arctic Waters: Food for the Pelagic System or Transport Vehicle for Sedimenting Matter? Does the Global C02 Increase Stimulate Marine Primary Production? Relationship between Humic Substances and Amino Acids in Polar Waters The Ozone Distribution in the Atmosphere over the Atlantic Ocean Pinatubo Aerosols and Polar Stratospheric Clouds.. Measurement of Trace Gases in the Arctic Stratosphere during the Polar Night The Mean Vertical Distributions of Ozone above the Arctic and Antarctic Ice Movement and Sub-glacial Topography in the Vicinity of the Schirmacher Oasis, East Antarctic The Environmental History of the Continental East Antarctic as Recorded in Lake Sediments The Antarctic Sea Ice and its Extent in Geologically Prehistoric Times - Reconstruction and Modelling Benthic Foraminifera- Indicators of Glacial and Interglacial Climate in the South Atlantic Ocean Terrigenous Sediment Supply to the Eastern Arctic Ocean Mineral Formation in the Sediments and Soils of the Permafrost Zone Seismic Investigations in the Eurasian Basin (Arctic Ocean) Investigations into the Mass Balance of the Inland Ice in Northeast Greenland Water Mass Formation in the Storfjord - a Model of Arctic Shelf Regions Atmospheric Roll-Convection in the Fram Strait ERS-1 Radar Images of the Antarctic Sea Ice The Influence of Algae on the Physical Processes in Sea Ice: a Model Estimation of the Global Ocean Circulation from Hydrographic Measurements Influence of Deep Water Production on the North Atlantic General Circulation Infrared Line Scanner for Improved Remote Sensing of Sea Ice The LIDAR Instrument for Observation of Fluorescent Matter in the Ocean lnvestigation of the UV-B Impact on Phytoplankton Production and Species Composition 6. Logistics 6.1 Polar Stations 6.2 Research Vessels "Polarsten" and "Victor Hensen" 6.3 Polar Aircraft and Helicopters 6.4 General Logistics 7. Central Services 7.1 Press and Public Relations 7.2 Library 7.3 Computer Centre 8. Personnel Expansion and Budget Development 8.1 Personnel 8.2 Budget Annex I. Personnel II. Scientific Events Ill. Publications of the Institute IV. Publications by Members of Staff V. Completed Theses and Dissertations VI. "Polarstern" Expeditions
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  • 85
    Monograph available for loan
    Monograph available for loan
    Amsterdam : Elsevier
    Call number: MOP 43353 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XII, 347 Seiten , Illustrationen , 2 Beilagen , 23 cm
    Language: English
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  • 86
    Monograph available for loan
    Monograph available for loan
    Joensuu : European Forest Institute
    Call number: PIK W 510-19-92838
    Type of Medium: Monograph available for loan
    Pages: VII, 68 Seiten , Diagramme
    ISBN: 9529844034
    Series Statement: Working paper / European Forest Institute 4
    Language: English
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  • 87
    Call number: PIK W 510-19-92835
    Type of Medium: Monograph available for loan
    Pages: 31 Seiten
    ISBN: 952984400X
    Series Statement: Working paper / European Forest Institute 1
    Language: English
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  • 88
    Call number: MOP 47926 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XXIX, 927, 92 Seiten , Illustrationen
    Language: English
    Location: MOP - must be ordered
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  • 89
    Call number: MOP 41158 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 122 Seiten , Illustrationen
    Language: English
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  • 90
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-203-116
    In: Special report / Cold Regions Research and Engineering Laboratory, Corps of Engineers, US Army, 116
    Description / Table of Contents: Abstract: Pendulum steering, a new concept of attitude stabilization for thermal probes or coring drills in ice, eliminates instability. The center of support is placed above the center of gravity. A lower and upper hot point produce melt penetration. The ratio of their power levels is the basis for stabilization, which is provided by the automatic control of the heater in the upper hot point. This feature makes possible a single thermal probe design that is suitable for all ice cap temperatures and a wide range of penetration rates (i.e., applied power levels). The simplicity of a thermal probe with pendulum steering suggests availability at modest cost and versatility as a widely applicable tool.
    Type of Medium: Series available for loan
    Pages: iv, 4 Seiten , Illustrationen
    Series Statement: Special report / Cold Regions Research and Engineering Laboratory, Corps of Engineers, US Army 116
    Language: English
    Note: CONTENTS Preface Summary Introduction The principle of pendulum steering Analysis of the power requirements The upper heater control Laboratory tests Summary
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  • 91
    Monograph available for loan
    Monograph available for loan
    Toronto, Ontario : ECW Press
    Call number: MOP 47747 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 308 Seiten , Illustrationen
    ISBN: 1-55022-149-3
    Language: English
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  • 92
    Call number: MOP 40071 / Mitte
    Type of Medium: Monograph available for loan
    Pages: VII, 50 Seiten , Illustrationen, Karten
    Series Statement: Hydrology papers 15
    Language: English
    Location: MOP - must be ordered
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  • 93
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-109
    In: Research report / Cold Regions Research and Engineering Laboratory, 109
    Description / Table of Contents: Summary: The present paper contains a critical study of a number of foundation models suggested by various investigators, as well as a further development of some of the ideas involved. It is found that the model by Pasternak is the most natural extension of the Winkler foundation. It is also shown that the "non-solvability" of the problem of a finite bean or plate resting on a continuous foundation as posed by Wieghardt and further elaborated by Pflanz is not correct, and that problems of this type are solvable for any load distribution permissible in classical plate theory. The paper concludes with derivations of differential equations for plates resting on viscous and viscoelastic foundations, which may be used for solving problems involving compacted snow and permafrost bases.
    Type of Medium: Series available for loan
    Pages: iv, 15 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 109
    Language: English
    Note: CONTENTS Preface Summary Introduction The Hetényi foundation The Filonenko-Borodich foundation The Pasternak foundation Plates on a Pasternak foundation Visco-elastic Pasternak foundation Plates on visco-elastic foundations References Appendix A: Notation
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  • 94
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-106
    In: Research report / Cold Regions Research and Engineering Laboratory, 106
    Description / Table of Contents: From the Preface: This paper presents a method for determining the extent of heat transfer due to vapor transfer in snow with air flowing through it, which could be useful in connection with studies concerning the changes of physical and mechanical properties of a snow cover caused by temperature gradients and wind currents.
    Type of Medium: Series available for loan
    Pages: iv, 8, A2, B2, C4 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 106
    Language: English
    Note: CONTENTS Summary Introduction Theory Experimental apparatus apd procedures Results and discussion References Appendix A: Evaluation of d^2Ps/dx^2, dps/dx Appendix B: Sample calculations of β0, β, and De Appendix C: Experimental results and calculated data
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  • 95
    Call number: ZSP-202-111,2
    In: Research report / Cold Regions Research and Engineering Laboratory, 111,2
    Type of Medium: Series available for loan
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 111,2
    Language: English
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  • 96
    Call number: PIK N 076-95-0371
    Type of Medium: Monograph available for loan
    Pages: XVII, 206 S , graph. Darst , 23 cm
    Edition: Reprinted
    ISBN: 089118113X
    Series Statement: ASA special publication 55
    Language: English
    Location: A 18 - must be ordered
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  • 97
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-116
    In: Research report / Cold Regions Research and Engineering Laboratory, 116
    Description / Table of Contents: Abstract: Specimens of snow from the South Pole were tested to investigate air permeability K (cm/sec), ultimate compressive strength σc (g/cm^2 ) and dynamic Young's modulus E (g/cm^2 ) as a function of density. Anisotropy in a single layer of snow (snow between two summer crusts) was found in all three properties. Comparison with data for snow from Site II, Greenland, showed an empirical relation for both areas: σc = 10.42 x 10^-4 E for 0.43 g/cm^3 〈 ρ 〈 0.51 g/cm^3. σc = 5.68 x 10^-4 E for 8.63 x 10^3 g/cm^2 for 0.51 g/cm^3 〈 ρ 〈 0.90 g/cm^3. Air permeabilities are different for the two sites because of time and meteorological effects.
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 116
    Language: English
    Note: CONTENTS Preface Summary Introduction Preparing the snow specimens Air permeability Experimental procedure Results and discussion Viscoelastic properties Principle Experimental method Results and discussion Creep tests Unconfined compressive strength Experimental procedure Results and discussion General discussion Literature cited Appendix A: Test result
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  • 98
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-120
    In: Research report / Cold Regions Research and Engineering Laboratory, 120
    Description / Table of Contents: Abstract: The report is divided into four parts: Parts I and II cover investigations of the reliability of shear stress measurements in soils subjected to vibratory loads for biaxial and triaxial systems, respectively. Part I is a summary only (see USA CRREL Technical Report 90 for detailed treatment). Part III is a study of three-dimensional "principal" stress patterns produced in soil subjected to vibratory loads. Part IV is a theoretical analysis of some aspects of soil wave propagation in stratified soil. From the measurements of five shear stresses and one normal stress, the stress distribution of a triaxial system can be determined. In noncohesive soils triaxial stress fields due to vibratory loads can be determined by recording six independent stress components. Sinusoidal force excitation and impact excitation yield time-distance graphs which can be used to determine reflection and refraction techniques in stratified soils.
    Type of Medium: Series available for loan
    Pages: v, 52 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 120
    Language: English
    Note: CONTENTS Preface Summary Part I. Two-dimensional shear stress measurements Part II. Three-dimensional shear stress measurements Introduction Measurements Experimental results Evaluation Compatibility checks Comparison between shear stresses under static and dynamic loads Conclusions Part III. Three-dimensional normal stress measurements Introduction Experimental setup Results Analysis Conclusions Part IV. Soil wave propagation in stratified soil Introduttion Distance-time graphs Results Sinusoidal force excitation Refraction Impact force excitation Selected bibliography Appendix A. Equations for computing stress components in Part II Appendix B. Equations for computer program in Part III
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  • 99
    Monograph available for loan
    Monograph available for loan
    Hong Kong : Royal Observatory
    Call number: MOP 47270(1990) / Mitte
    Type of Medium: Monograph available for loan
    Language: English
    Location: MOP - must be ordered
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  • 100
    Monograph available for loan
    Monograph available for loan
    Saskatoon, Sask., Canada : National Hydrology Research Institute
    Call number: AWI G4-22-94967
    Type of Medium: Monograph available for loan
    Pages: xvi, 308 Seiten , Illustrationen , 23 cm
    ISBN: 0-662-17076-8
    Series Statement: NHRI science report No. 1
    Language: English
    Note: TABLE OF CONTENTS FOREWORD PREFACE LIST OF FIGURES LIST OF TABLES 1. NORTHERN HYDROLOGY: AN OVERVIEW 1.1. Introduction 1.2. Definition of "North" 1.2.1. Physical North 1.2.1.1. Polar Circles 1.2.1.2. Temperature 1.2.1.3. Snow/Ice Covers 1.2.1.4. Frozen Ground 1.2.1.5. Vegetation 1.2.1.6. Run-Off Direction 1.2.1.7. Composite Definition 1.2.1.8. Guideline Definition 1.3. Natural Landscape, Climate and Hydrology 1.3.1. General Landscape 1.3.2. Hydroclimatic Characteristics 1.3 .2.1. Precipitation/Snowcover 1.3.2.2. Drainage/Run-Off 1.3.2.3. Surface Storage 1.3.2.4. Permafrost 1.3.2.5. Ground Water 1.3.2.6. Evaporation/Evapotranspiration 1.3.2.7. Freshwater Ice Cover 1.3.2.8. Data-Collection Networks 1.4. Hydrological Classifications 1.4.1. Church (1974) Classification 1.4.1.1. Arctic-Nival 1.4.1.2. Subarctic-Nival 1.4.1.3. Proglacial 1.4.1.4. Muskeg 1.4.2. Network Classification 1.5. Development and Water Use 1.5.1. Historical Resource Development 1.5.2. Present Resources 1.5.2.1. Hydro-Power 1.5.2.2. Diversions 1.5.2.3. Mining 1.5.2.4. Oil and Gas 1.6. Evolving Issues 1.6.1. Northem Pollution 1.6.2. Global Change Effects 1.6.2.1. Precipitation/Snow/Glaciers 1.6.2.2. Floating Ice 1.6.2.3. Permafrost 1.6.2.4. Other 1.6.3. Monitoring Global Change 1.7. Reflections 2. SNOW HYDROLOGY 2.1. Introduction 2.1.1. Basic Processes 2.1.1.1. Atmospheric Processes 2.1.1.2. Snowcover Formation 2.1.1.3. Snowmelt Run-Off Processes 2.1.1.4. Snowcover Chemistry 2.1.2. Geographical Variations 2.1.2.1. Snowfall 2.1.2.2. Snowcover 2.1.2.3. Nival Streamflow Regimes 2.1.3. Relationship to Other Hydrological Variables 2.2. Historical Background 2.2.1. Snowfall 2.2.2. Snowcover Properties 2.2.3. Snowmelt Run-Off 2.3. Current Research 2.3.1. Blowing Snow 2.3.2. Meltwater Infiltration 2.3.3. Water Flux Through Cold Snowcovers 2.3.4. Remote Sensing 2.3.5. Snow Chemistry 2.3.6. Snow/Ground Interface Temperature 2.3.7. Snow Radiative Properties 2.4. Future Research Needs 2.4.1. Snowfall 2.4.2. Snowcover 2.4.3. Snowmelt 2.4.4. Snowmelt Run-Off 2.4.5. Removal of Solutes from Melting Snowcovers 3. PERMAFROST HYDROLOGY 3.1. Introduction 3.2. Historical Background 3.2.1. Streamflow Studies 3.2.2. Water-Balance Studies 3.2.3. Hillslope Hydrological Studies 3.2.4. Studies of Lake and Wetland Hydrology 3.3. Recent Trends 3.4. Current Research 3 .4.1. Coupling Snowmelt, Infiltration and Soil Moisture 3.4.2. Hydrological Modelling 3.5. Future Research Needs 3.5.1. Regional Hydrology 3.5.2. Climatic Change and Permafrost Hydrology 3.5.2.1. Application of Spatial Analogues 3.5.2.2. Application of Climatic Variability Analogues 3.5.2.3. Use of Simulation Models 4. GROUND-WATER HYDROLOGY 4.1. Introduction 4.1.1. Permafrost 4.1.2. Properties of Frozen Ground and Permafrost 4.1.2.1. Ice and Water Contents 4.1.2.2. Hydraulic Conductivity 4.1.3. Effects on Water Chemistry 4.1.3.1. Low Temperatures 4.1.3.2. Permafrost 4.2. Aquifers in Permafrost Areas 4.2.1. Position Relative to Permafrost 4.2.2. Suprapermafrost Aquifers 4.2.2.1. Subtype I Aquifers 4.2.2.2. Subtype II and III Aquifers 4.2.2.3. Chemical composition of suprapermafrost water 4.2.3. Intrapermafrost Aquifers 4.2.3.1. Open Taliks 4.2.3.2. Lateral Taliks 4.2.3.3. Isolated Taliks 4.2.3.4. Chemical Composition of Intrapermafrost Water 4.2.4. Subpermafrost Aquifers 4.2.4.1. Unconsolidated Deposits 4.2.4.2. Sedimentary Bedrock 4.2.4.3. Karst 4.2.4.4. Igneous and Metamorphic Terrain 4.2.4.5. Chemical Composition of Subpermafrost Water 4.3. Ground-Water Hydrology 4.3.1. Comparison with Non-Permafrost Areas 4.3.2. Infiltration and Ground-Water Recharge 4.3.3. Lateral Movement of Ground Water 4.3.4. Discharge of Ground Water 4.3.4.1. Springs 4.3.4.2. Base Flow 4.3.4.3. Icings 4.3.4.4. Ground-Water Discharge Rates from Icing Volumes 4.3.4.5. Chemical Composition of Icings and Meltwater 4.3.5. Importance of Ground Water 4.3.5.1. Fisheries 4.3.5.2. Vegetation 4.3.5.3. Water Supply 4.3.5.4. Recreation and Space Heating 4.4. Historical Background 4.4.1. Pre-1970 Situation 4.4.2. Recent Advances 4.4.3. Agencies Involved in Recent Research 4.4.4. Incentives for Recent Research 4.5. Current Research 4.6. Future Research Needs 4.6.1. Major Unknowns 4.6.2. Subjects Requiring Research 4.6.3. Future Incentives for Ground-Water Research 4.6.4. Major Impediments 5. HYDROLOGY OF FLOATING ICE 5.1. Introduction 5.2. Ice Processes on Rivers and Lakes: an Overview 5.3. Historical Background 5.3.1. Floods and High Stages 5.3.2. Low Flow 5.3.3. Flow Duration 5.3.4. Flow Measurement 5.4. Current Research 5.4.1. Ice Jams, Break-Up and Freeze-Up 5.4.2. Low Flows 5.4.3. Flow Duration 5.4.4. Flow Measurement 5.5. Future Research Needs 5.5.1. Ice Jams, Break-Up and Freeze-Up 5.5.2. Low Flows 5.5.3. Continuous Simulation 5.5.4. Flow Measurement 5.6. New Research Approaches 5.7. Conclusion 5.8. Acknowledgements 6. GLACIER HYDROLOGY 6.1. Introduction 6.2. Glacier Hydrology: an Overview 6.2.1. Run-Off 6.2.2. Local Variability in Climatic Inputs 6.2.3. Regional Variability 6.2.4. Temporal Variability in Climatic Inputs 6.2.5. Glacier Outburst Floods 6.2.6. Distribution and Characteristics of Canadian Glaciers 6.3. Process and Regional Examples 6.3.1. Typical Run-off Components from a Glacierized Catchment 6.3.2. Western Cordilleran Example - Peyto Glacier 6.3.3.1. Basin Description 6.3.3.2. Meteorological Inputs and Snow-Line Movement 6.3.3.3. Internal Hydrology of the Glacier 6.3.3.4. Specific Yield within the Basin 6.3.3.5. The Resultant Hydrographs 6.3.3.6. Detailed Interrelationship (1970/74) 6.3.4. High-Arctic Example - White Glacier 6.4. A History of Glacier Hydrology Studies 6.4.1. Studies in the Western Cordillera 6.4.2. The Arctic lslands 6.4.3. Studies in the Yukon 6.4.4. Studies in Labrador 6.4.5. The International Hydrological Decade 6.4.6. International Hydrological Programme 6.5. The Main Achievements of Hydrology Studies in Glacierized Basins 6.5.1. Basic Description of Resources 6.5.2. Achievements in Glacier Mass Balance 6.5.3. Achievements in Glacier-Run-Off Studies 6.5.3.1. Meltwater Generation 6.5.3.2. Glacier Outburst Floods 6.5.3.3. Models of Basin Run-Off 6.5.4. Achievements in Surveying and Remote Sensing 6.6. The Future 7. WATER-QUALITY RESEARCH 7.1. Introduction 7 .2. Historical Background 7.2.1. Activities Prior to 1969 7.2.2. Overview ofN.W.T. Water-Quality Network Data 7.2.3. Mackenzie River Basin 7.2.4. Yukon River Basin 7.2.5. Limnological Research Activities near Resolute, Cornwallis Island and at Saqvaqjuac 7.3. Current Research - Long-Range Atmospheric Transport and Deposition 7.4. Future Research Needs 7.5. Acknowledgements 8. THE REGIONAL ENERGY BALANCE 8.1. Introduction 8.1.1. Basic Processes 8.1.2. Regional Variations 8.1.3. Relationship to Other Hydrological Variables 8.1.4. Importance to the Northern Environment 8.2. Historical Background 8.2.1. Subarctic 8.2.2. Arctic Tundra 8.2.3. Glacierized Basins 8.3. Current Research 8.4. Future Research Needs 9. REGIONAL HYDROLOGY 9.1. Introduction 9.2. Hydrological Regions 9.2.1. Shawinigan Engineering Studies 9.2.2 Acres Consulting Services Ltd 9 .2.2.1. Annual Yield 9.2.2.2. Low Flow 9.2.2.3. Floods 9.2.3. Joint DOE-DIAND Studies 9.2.4. 1985-86 IWD Network Evaluation in Western and Northern Region 9.2.5 The Maekenzie River Basin Flow Model 9.3. River Elements in the Northern Hydrological Cycle 9.3.1. Snowfall Components 9.3.2. Ice Proeesses and Northem Streamflow 9.3.2.1. The Freeze-Up 9.3.2.2. Midwinter Flows 9.3.2.3. Streamflow in the Annual Break-Up 9.4. Northern Streamflow Data Collection 9.5. Conclusions 10. WATER MANAGEMENT NORTH OF 60° 10.1. lntroduction 10.2. Legislative Framework 10.3. Water Boards 10.4. Licensing and Authorization 10.4.1. Lieensing 10.4.2. Authorization 10.5. Enforcement 10.6. Data Collection 10.6.1. Water Quantity 10.6.2. Water Quality 10.6.3. Preeipitation 10.7. Planning 10.7.1. Comprehensive Planning 10.7.2. Integrated Planning 10.8. Major Ma
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