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  • English  (8,138)
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  • 1
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : O'Reilly
    Call number: 18/M 98.0301
    Type of Medium: Monograph available for loan
    Pages: XXVII, 758 S.
    Edition: 2nd ed.
    ISBN: 1565921275
    Classification:
    C.2.3.
    Language: English
    Location: Reading room
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  • 2
    Monograph available for loan
    Monograph available for loan
    Cambridge : Cambridge Univ. Press
    Call number: M 98.0449
    Type of Medium: Monograph available for loan
    Pages: ix, 193 S.
    ISBN: 0521453461
    Classification:
    A.3.1.
    Language: English
    Location: Upper compact magazine
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  • 3
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Oxford Univ. Press
    Call number: M 98.0495
    Type of Medium: Monograph available for loan
    Pages: xix, 458 S.
    ISBN: 0195079205
    Classification:
    C.2.6.
    Language: English
    Location: Upper compact magazine
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  • 4
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : Cambridge Univ. Press
    Call number: M 98.0486 ; AWI G6-98-0144
    Type of Medium: Monograph available for loan
    Pages: XII, 368 S.
    Edition: repr.
    ISBN: 0521364728
    Classification:
    Petrology, Petrography
    Language: English
    Location: Upper compact magazine
    Location: Upper compact magazine
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  • 5
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : Cambridge Univ. Press
    Call number: M 98.0483
    Type of Medium: Monograph available for loan
    Pages: xi, 367 S.
    ISBN: 0521563917
    Classification:
    C.2.6.
    Language: English
    Location: Upper compact magazine
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  • 6
    Monograph available for loan
    Monograph available for loan
    Upper Saddle River, NJ : Prentice Hall
    Call number: M 98.0522 / Regal 15
    Type of Medium: Monograph available for loan
    Pages: xi, 419 S.
    ISBN: 0133677230
    Classification:
    C.3.1.
    Language: English
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  • 7
    Monograph available for loan
    Monograph available for loan
    Amsterdam [u.a.] : Elsevier
    Associated volumes
    Call number: 5/M 98.0499
    In: Handbook of geophysical exploration
    Type of Medium: Monograph available for loan
    Pages: xii, 391 S.
    ISBN: 0080431976
    Series Statement: Handbook of geophysical exploration : seismic exploration 19
    Classification:
    Geophysical Exploration, Geophysical Prospecting
    Language: English
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  • 8
    Monograph available for loan
    Monograph available for loan
    Antwerp / Baarn : Hadewijch
    Call number: AWI E3-10-0070
    Description / Table of Contents: A century ago a Belgian expedition headed for the Antarctic on board the Belgica (August 1897 - November 1899). It was the first Antarctic expedition of a purely scientific nature and the journey provided a wealth of information and photographic material. The Antarctic explorers were never to reach the pole but - perhaps even more spectacular - became the first people to spend the winter on the Antarctic pack ice. On board the ship were, among others, the Belgian commander de Gerlache, the famous American doctor and polar explorer Frederick Cook and the future conqueror of the South pole the Norwegian Roald Amundsen. Heroic books were published about the expedition after the adventure but one document remained unpublished: the personal diary of Roald Amundsen. Glaciologist and Antarctic expert Dr. Hugo Decleir [...] provided comments on and explanation about the text. Amundsen wrote his diary for his own personal use and therefore provides the reader with an authentic, almost live report of the adventures among and on the ice, from the disagreements between the crew to the constant hunt for penguin steak.
    Type of Medium: Monograph available for loan
    Pages: 223 S. : Ill.
    ISBN: 9052404895
    Uniform Title: Amundsens dagbog 〈nob〉
    Language: English
    Note: Contents: Introduction: Roald Amundsen and the Belgica expedition. - 1 The Atlantic crossing. - 2 In South America. - 3 In the straits of Tierra del Fuego. - 4 Geographic discoveries. - 5 Trapped in the ice. - 6 Polar night. - 7 Return of the sun. - 8 Summer. - 9 Escape from the ice. - 10 Return home. - Further Reading. - Appendix. , Aus dem Niederländ. übers.
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  • 9
    Monograph available for loan
    Monograph available for loan
    Potsdam
    Associated volumes
    Call number: AR 98/31-2
    In: 1998 IERS Workshop
    Type of Medium: Monograph available for loan
    Pages: 24 S.
    Classification:
    A.1.1.
    Language: English
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  • 10
    Call number: ZSP-387-9
    In: International project on paleolimnology and late cenozoic climate
    Type of Medium: Series available for loan
    Pages: 128 S. : Ill., graph. Darst.
    Language: English
    Branch Library: AWI Library
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  • 11
    Call number: ZSP-387-12
    In: International project on paleolimnology and late cenozoic climate
    Type of Medium: Series available for loan
    Pages: 128 S. : Ill., graph. Darst.
    Language: English
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  • 12
    Monograph available for loan
    Monograph available for loan
    Montreal [u.a.] : McGill-Queen's Univ. Press
    Call number: PIK N 630-11-0268 ; AWI Bio-17-17112
    Type of Medium: Monograph available for loan
    Pages: XVIII, 361 S. : Ill., graph. Darst., Kt.
    ISBN: 0773512411
    Language: English
    Note: Contents: Figures. - Tables. - Preface. - Illustrations. - 1. Introduction. - 1.1 Background. - 1.2 Scope of the text. - 1.3 World vegetation types. - 1.3.1 Vegetation formations and zones. - 1.3.2 Zonobiomes. - 1.3.3 Exoclimates. - 1.3.4 The Canadian vegetation classification system. - 1.3.5 Ecozones. - 1.3.6 Floristic realms. - 1.3.7 Plant species nomenclature. - 1.4 Soil classification and soil systems. - 1.5 Climatic parameters. - 1.5.1 The role of climate. - 1.5.2 Moisture indices. - 1.5.3 Climate diagrams. - 1.6 Plant strategies. - 1.6.1 Competition. - 1.6.2 Hydrature and moisture regulation. - 1.6.3 Life forms. - 1.6.4 Leaf morphology and adaptation. - 1.7 Biomass and net primary productivity. - 2. Tundra 2.1 Tundra distribution. - 2.2 Climate. - 2.3 Soils. - 2.4 Tundra in North America. - 2.4.1 Ecoclimatic sub-provinces and regions. - 2.4.2 High and mid-Arctic. - 2.4.3 Low Arctic. - 2.5 Tundra in other Northern Hemisphere locations. - 2.5.1 Arctic Tundra. - 2.5.2 Typical Tundra. - 2.5.3 Southern Tundra. - 2.5.4 Tundra on Arctic Islands. - 2.6 Tundea in the Southern Hemisphere. - 2.6.1 The Antarctic Subregion. - 2.6.2 The Sub-Antarctic Subregion. - 2.7 Alpine Tundra. - 2.7.1 Temperate-latitude alpine Tundra. - 2.7.2 Low-latitude (equatorial) alpine Tundra. - 2.8 Primary production and phytomass in Tundra. - 3. Forest-Tundra or Boreal-Tundra Ecotone. - 3.1 Definitions. - 3.2 Distribution. - 3.3 Climate. - 3.4 Soils. - 3.5 Forest-Tundra in Canada. - 3.5.1 Ecoclimatic sub-provinces. - 3.5.2 The shrub subzone (Northern Forest-Tundra). - 3.5.3 The forest subzone (Southern Forest Tundra). - 3.6 Eurasian Forest-Tundra. - 3.7 Primary production and phytomass in forest-Tundra. - 4. Boreal Forest (Taiga) and Mixed Forest Transition. - 4.1 Distribution. - 4.2 Climate. - 4.3 Soils. - 4.4 Boreal forest in North America. - 4.4.1 Open Lichen Woodland. - 4.4.2 Northern Coniferous Forest. - 4.4.3 Mixed-Forest (Boreal-Broadleaf ecotone). - 4.4.4 Mixed-Forest transition to grassland (Northern Mixedwoods). - 4.5 Eurasian Boreal. - 4.5.1 The European Boreal. - 4.5.2 The Siberian Boreal. - 4.5.3 Northwest Pacific Fringe Boreal. - 4.6 Primary production and phytomass in boreal forest. - 5. Prairie (Steppe). - 5.1 Distribution. - 5.2 Climate. - 5.2.1 North America. - 5.2.2 Climate in Eurasia and elsewhere. - 5.3 Soils. - 5.4 Prairie in North America. - 5.4.1 The Canadian Prairie. - 5.4.2 Prairie in the USA. - 5.5. Eurasian Steppe. - 5.6 Southern Hemisphere Grasslands. - 5.6.1 The High Veldt. - 5.6.2 The Pampas/Campos Grasslands. - 5.7 Primary production and biomass. - 6. Cordilleran Environments in Western North America. - 6.1 Canada's Cordilleran ecoclimatic provinces. - 6.1.1 Distribution. - 6.1.2 Climate. - 6.1.3 Soils. - 6.1.4 Pacific Coastal Mesothermal Forest. - 6.1.5 Pacific Coastal Subalpine Forest. - 6.1.6 Cordilleran Forest Region. - 6.1.7 Cordilleran Cold Steppe and Savanna Forst. - 6.1.8 Canadian Cordilleran Subalpine Forest. - 6.1.9 Alpine Tundra and Boreal Forest. - 6.2 The Cordilleran Region in the USA. - 6.2.1 Distribution. - 6.2.2 Northwest Coast Conifer-Hardwood Forests. - 6.2.3 Montane Pine Forests. - 6.2.4 Sagebrush and Grasslands. - 6.2.5 Interior Hemlock-Douglas-Fir-Larch. - 6.2.6 Subalpine Forest. - 6.3 Primary Production and Phytomass. - 7. Temperate Deciduous Forests. - 7.1 Distribution. - 7.2 Climate. - 7.3 Soils. - 7.4 Temperate Deciduous Forest in North America. - 7.4.1 Canada. - 7.4.2 United States of America. - 7.4.3 Southern Mexico and South America. - 7.5 Europe. - 7.5.1 Atlantic Deciduous Forest. - 7.5.2 Central European Deciduous Forest. - 7.5.3 East European Deciduous Forest. - 7.6 Asia. - 7.7 Southern Hemisphere. - 7.8 Primary Production and Phytomass. - 8. Wetlands. - 8.1 Introduction. - 8.2 Climate. - 8.3 Soils. - 8.4 Canadian Wetland Classification. - 8.4.1 Canadian Wetland Classification System. - 8.4.2 Wetland classes. - 8.4.3 Wetland forms and types. - 8.5 Canadian Wetlands. - 8.5.1 Arctic Wetlands. - 8.5.2 Subarctic Wetlands. - 8.5.3 Boreal Wetlands. - 8.5.4 Prairie Wetlands. - 8.5.5 Temperate Wetlands. - 8.5.6 Oceanic Wetlands. - 8.5.7 Mountain Wetlands. - 8.6 Wetlands in the USA. - 8.7 Eurasian Wetlands. - 8.7.1 European Wetlands. - 8.7.2 Asian Wetlands. - 8.8 Central and South American Wetlands. - 8.9 African Wetlands. - 8.10 Austromalesian and Pacific Wetlands. - 8.11 Phytomass and Primary Production. - 9. Conclusion. - Appendix: Biomials and their local names as used in the text. - Bibliography. - Index.
    Location: A 18 - must be ordered
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  • 13
    Series available for loan
    Series available for loan
    Washington, DC : U.S. Gov. Print. Off.
    Associated volumes
    Call number: MOP Per 603(80-1)
    In: Natural disaster survey report, 80-1
    Type of Medium: Series available for loan
    Pages: V, 60 S.
    Series Statement: Natural disaster survey report 80-1
    Language: English
    Location: MOP - must be ordered
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  • 14
    Monograph available for loan
    Monograph available for loan
    Sebastopol : O'Reilly
    Call number: PIK M 033-14-0214
    Type of Medium: Monograph available for loan
    Pages: XXII, 407 S.
    Edition: 2. ed., [Nachdr.]
    ISBN: 9781565922259
    Series Statement: UNIX power tools
    Language: English
    Location: A 18 - must be ordered
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  • 15
    Series available for loan
    Series available for loan
    Hanover, N.H. : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-350
    In: Research report / Cold Regions Research and Engineering Laboratory, 350
    Type of Medium: Series available for loan
    Pages: iv, 27 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 350
    Language: English
    Note: CONTENTS: Abstract. - Preface. - Introduction. - Sample preparation. - Apparatus and testing procedure. - Test results. - Uniaxial strength. - Initial tangent and 50% strength moduli. - Specific energy. - Discussion. - Testing method. - Compressive strength. - Tensile strength. - Ductile and brittle fracture.. - Initial tangent and 50% stress moduli. - Specific energy. - Conclusions and recommendations. - References. - Appendix A: Description of soil and calculations. - Appendix B: Description of the LVDT and averaging circuits. - Appendix C: Determination of strain in the neck section of a dumbbell specimen.
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  • 16
    Series available for loan
    Series available for loan
    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-271
    In: Research report
    Description / Table of Contents: CONTENTS: Introduction. - Previous work. - Conduct of the research. - Fundamental properties of snow. - Derived properties of snow. - Environmental effects. - Conclusions. - Literature cited. - Abstract.
    Description / Table of Contents: One of the great deficiencies in snow science is the lack of an analytical framework for much of the snow cycle. Snow research to date has largely consisted of measuring index properties of snow, such as bulk density and snow strength, and correlating them. This is useful, particularly for engineering purposes, but it does not grapple with the basic problem of what fundamental properties of snow determine the magnitude of the index properties and how these properties respond to environmental conditions. This study was an attempt to measure, quantitatively, the fundamental properties of grain size, shape, and fabric (relationship between grains) and relate these to the index or derived properties of bulk density, shear and tensile strength, permeability for air, and the dielectric static permittivity and loss tangent. Despite numerous difficulties in defining fabric and quantifying it, it was possible to show that: 1) snow strength is a function of bond area with a relationship in the low density range that is described by: [Sigma]f = [Sigma]i exp - (0.14nf) where [Sigma]f is failure strength, [Sigma]i is the final strength of ice, and nf is the porosity on the failure surface; and 2) the rate of densification of low density snow can be explained in part by high stress concentrations (on the order of 10^7 dynes /cm^2) at intergranular contacts and by such factors as riming on crystals. The effect of the environmental factors of time, temperature, and gravitational stress is difficult to study in situ because they are not independent variables. However, it appears that their study is simplified when we study the fundamental properties of snow as opposed to index properties.
    Type of Medium: Series available for loan
    Pages: v, 70 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 271
    Language: English
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  • 17
    Series available for loan
    Series available for loan
    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-269
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - List of symbols. - Introduction. - Structure of ice and ice sheets. - Ice as a mineral. - Lake and sea ice. - Chemistry and phase relations. - Dislocations,cracks,and stress concentrators. - Direct observation of dislocations. - Crackformation. - Stress concentration. - Theoretical considerations. - Experimental results. - Compressive strength. - Indentation failure. - Tensile strength. - Flexural strength. - Shear strength. - Impact strength. - Scale effects. - Strength deterioration in the spring. - Recommended research. - Summary. - Selected bibliography. - Abstract.
    Description / Table of Contents: The increased activity in cold regions has made a thorough understanding of fracture in lake and sea ice quite desirable, inasmuch as this information has application to a number of problems of geophysical as well as engineering importance. This survey starts with a discussion of the structure of ice I and the macro- and microstructure of sea and lake ice as well as their chemistry and phase relations. Recent work on the direct observation of dislocations as well as the formation of cracks in ice is summarized. Formal ice-brine-air models for analyzing variations in ice strength are also reviewed. The results of the different types of tests are discussed and cornpared (compressive, indentation, direct and ring-tension, small beam flexure and in situ cantilevers and simple beams, shear, and impact). Scale effects are considered as well as the rapid strength deterioration experienced by ice sheets in the spring. Finally, a number of recommendations are made concerning future research in this field.
    Type of Medium: Series available for loan
    Pages: viii, 79 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 269
    Language: English
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  • 18
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-245
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Abstract. - Introduction. - Snow crystals in Greenland. - Microspherules. - Microspherules in snow and ice-fog crystals. - Concentration and radii of spherules. - Discussion and conclusions. - Literature cited.
    Description / Table of Contents: Spherules found in snow crystals, ice-fog crystals, fallout particles, and fly ash were studied with an electron microscope using the electron diffraction method. The central part of the residues of 1004 specimens of natural snow crystals from Greenland, the United States, and Japan were examined; 14 spherules 0.1 to 1.5? in radius were found among them. The residues of 658 artificial ice-fog crystals formed from water vapor in flue gases of coal-burning electric power plants at Fairbanks, Alaska, were also examined; nine spherules were found. Spherules similar to those found in ice-fog residues were found in furnace-produced fly ash fallout at Fairbanks, Alaska. Electron and optical microscope examination of spherules found in Greenland snow reveals a size distribution of the form dN/d(log r) = Cr-ß where ß approximately 3. The properties of spherules and the mean mass of snow crystals from Greenland are described. The electron microscope study indicated that less than 0.7% of the 1004 snow crystals contained spherules of possible extraterrestrial origin, and that snow crystals are formed mainly on clay mineral particles by heterogeneous nucleation.
    Type of Medium: Series available for loan
    Pages: iv, 10 Seite , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 245
    Language: English
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  • 19
    Series available for loan
    Series available for loan
    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-277
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Nomenclature. - Introduction. - Basic equations. - Constitutive relations. - Elastic region. - Plastic region. - Stability of the differential equation. - Stability of the difference equation. - Literature cited.
    Description / Table of Contents: An analysis is made of the stability of difference approximation to one-dimensional shock wave propagation in elastic-plastic media. The necessary condition for stability is obtained.
    Type of Medium: Series available for loan
    Pages: iv, 9 Seiten
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 277
    Language: English
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  • 20
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-253
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Abstract. - Introduction. - Theoretical considerations. - Method of canopy evaluation. - Application to forest problems. - Forest blowdown. - Radioactivity gradient. - Phenology. - Forest types and structure. - Distribution of leaves and canopy gaps. - Light quality. - Discussion and summary. - Literature cited.
    Description / Table of Contents: A technique for evaluating forest canopies was developed based on the use of a divergent lens system to obtain hemispherical photographs of tree crowns. The photography was processed from 35 mm film and enlarged as a silhouette, and the light transmission was measured with a specially fabricated macrodensitometer. It is concluded that the amount of forest canopy can be expressed as canopy closure index (CCI) at a precision of approximately 5%. It is shown by application to a variety of problems in diverse geographical areas that this technique can be used for measuring both temporal and spatial changes in the canopy, for estimating the shade light climate, and for specifying the probability of target detection through a canopy. Data are presented to analyze changes caused by explosions, radioactivity, growing season, and vegetation types. The geometry of gaps in tree crowns is discussed and the nature of shade light quality under forests is illustrated.
    Type of Medium: Series available for loan
    Pages: v, 20 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 253
    Language: English
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  • 21
    Monograph available for loan
    Monograph available for loan
    London [u.a.] : Academic Press
    Call number: M 98.0230
    Type of Medium: Monograph available for loan
    Pages: 890 S.
    Edition: 9th print.
    ISBN: 0125649223
    Series Statement: Probability and mathematical statistics : a series of monographs and textbooks
    Classification:
    Geodynamics
    Language: English
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  • 22
    Monograph available for loan
    Monograph available for loan
    Beijing : Science Press
    Call number: M 98.0450
    Type of Medium: Monograph available for loan
    Pages: vii, 159 S.
    ISBN: 7030050447
    Series Statement: Solid earth sciences research in China
    Classification:
    Regional Geology
    Language: English
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  • 23
    Monograph available for loan
    Monograph available for loan
    Beijing : Science Press
    Call number: M 98.0453
    Type of Medium: Monograph available for loan
    Pages: vii, 153 S.
    ISBN: 7030054873
    Series Statement: Solid earth sciences research in China
    Classification:
    Regional Geology
    Language: English
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  • 24
    Monograph available for loan
    Monograph available for loan
    Noordwijk : ESA Publications Division
    Call number: M 98.0463
    Type of Medium: Monograph available for loan
    Pages: vi, 189 S.
    Classification:
    A.0.9.
    Language: English
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  • 25
    Call number: M 98.0517 / Regal 4
    Type of Medium: Monograph available for loan
    Pages: 755 S.
    Classification:
    Geology
    Language: English
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  • 26
    Monograph available for loan
    Monograph available for loan
    Dordrecht [u.a.] : Kluwer
    Call number: 8/M 98.0475
    Type of Medium: Monograph available for loan
    Pages: S. 101-300
    ISBN: 0792350340
    Classification:
    B.1.2.
    Language: English
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  • 27
    Monograph available for loan
    Monograph available for loan
    Praha : Hydrometeorologický Ústav
    Associated volumes
    Call number: MOP 40270/2 / Mitte
    In: Meteorologická pozorování v Praze-Klementinu, II.
    Type of Medium: Monograph available for loan
    Pages: Seite 259-459
    Language: Czech , Russian , English
    Note: Contents Table 1 Daily records Table 2 Extreme temperatures Table 3 Montly means Table 4 Mean temperature in the years 1775-1975 Table 5 Daily means of extreme temperatures Table 6 Relative frequency of daily maximum temperature in months Table 7 Relative frequency of daily minimum temperature Table 8 Relative frequency of relative humidity Table 9 Relative frequency of pressure Table 10 Relative frequency of wind Table 11 Relative frequency of cloud amount Table 12 Relative frequency of daily rainfall Table 13 Statistical characteristics of daily observations Table 14 Monthly means in 5 years periods Table 15 Monthly means in 10 years periods Table 16 Monthly means in 50 years periods Table 17 Monthly means of statistical characteristics in the years 1776-1975 Table 18 Monthly means of statistical characteristics in 5 years periods Table 19 Monthly means of statistical characteristics in 10 years periods Table 20 Monthly means of statistical characteristics in 50 years periods Table 21 Mean daily temperature corresponding to the percent of the exceeding probability , In tschechischer, russischer und englischer Sprache
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  • 28
    Monograph available for loan
    Monograph available for loan
    Praha : Hydrometeorologický Ústav
    Associated volumes
    Call number: MOP 40270/1 / Mitte
    In: Meteorologická pozorování v Praze-Klementinu, I.
    Type of Medium: Monograph available for loan
    Pages: 258 Seiten
    Language: Czech , Russian , English
    Note: Contents Table 1 Daily records Table 2 Extreme temperatures Table 3 Montly means Table 4 Mean temperature in the years 1775-1975 Table 5 Daily means of extreme temperatures Table 6 Relative frequency of daily maximum temperature in months Table 7 Relative frequency of daily minimum temperature Table 8 Relative frequency of relative humidity Table 9 Relative frequency of pressure Table 10 Relative frequency of wind Table 11 Relative frequency of cloud amount Table 12 Relative frequency of daily rainfall Table 13 Statistical characteristics of daily observations Table 14 Monthly means in 5 years periods Table 15 Monthly means in 10 years periods Table 16 Monthly means in 50 years periods Table 17 Monthly means of statistical characteristics in the years 1776-1975 Table 18 Monthly means of statistical characteristics in 5 years periods Table 19 Monthly means of statistical characteristics in 10 years periods Table 20 Monthly means of statistical characteristics in 50 years periods Table 21 Mean daily temperature corresponding to the percent of the exceeding probability , In tschechischer, russischer und englischer Sprache , Zum Teil in kyrillischer Schrift
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  • 29
    Monograph available for loan
    Monograph available for loan
    New York, NY [u.a.] : Oxford Univ. Press
    Call number: M 98.0528
    Type of Medium: Monograph available for loan
    Pages: xi, 343 S.
    ISBN: 0195069641
    Classification:
    Meteorology and Climatology
    Language: English
    Location: Upper compact magazine
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  • 30
    Call number: 21/STR 98/19
    In: Scientific technical report
    Type of Medium: Monograph available for loan
    Pages: 27 S. : graph. Darst.
    Series Statement: Scientific Technical Report / Geoforschungszentrum Potsdam 98/19
    Classification:
    Geodetic Theory and Modeling
    Language: English
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  • 31
    Series available for loan
    Series available for loan
    Hanover, N.H. : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-349
    In: Research report / Cold Regions Research and Engineering Laboratory, 349
    Description / Table of Contents: CONTENTS: Abstract. - Preface. - Introduction. - Test locations. - Post Pond. - Mascoma Lake. - Winter freeze-up. - Ice cover properties. - Stratigraphy. - Microstructure. - Porosity. - Impurity content. - Flexural strength. - Test sites. - Beam test procedure. - Beam dimensions. - Beam temperatures. - Beam strengths. - Results. - Post Pond, Site PB, 12 February 1974. - Post Pond, Site PC, 21 February 1974. - Mascoma Lake, Site MD, 25 February 1974. - Mascoma Lake, Site MD, 26 February 1974. - Mascoma Lake, Site MD, 1 March 1974. - Post Pond, Site PA, 4 March 1974. - Post Pond, Site PA, 7 March 1974. - Post Pond, Site PA, 8 March 1974. - Post Pond, Site PB, 12 March 1974. - Post Pond, Midway between Sites PB and PC, 15 March 1974. - Post Pond, Midway between Sites PA and PB, 26 March 1974. - Post Pond, Midway between Sites PA and PB, 29 March 1974. - Post Pond, Midway between Sites PA and PB, 3 April 1974. - Conclusions. - Literature cited.
    Description / Table of Contents: In-place cantilever beam tests on Post Pond and Mascoma Lake ice yielded a maximum flexural strength of 7.1 kg/cm^2. The minimum strength, unrelated to failure along pre-existing cracks in the ice, was 2.9 kg/cm^2. The majority of tests were performed in the push-down mode after it was discovered that beams tested in the pull-up mode, which places the bottom surface in tension, frequently broke prematurely along cracks in the bottom of the ice. Premature failures of this kind usually occurred at stresses of 2-3 kg/cm^2. Data further demonstrate that the intrinsic strength of lake ice decreases significantly as the surface air temperature goes to 0°C. Ice that has just become isothermal, but has not yet begun to candle, has a strength of about 4 kg/cm^2; ice that has been subjected to prolonged periods of above-freezing air temperatures generally fails at about 3 kg/cm^2. Tests also show that cold unrecrystallized snow-ice is as strong as the underlying lake ice. Tests of the effect of crystalline structure indicate that ice composed of crystals with their c-axes horizontal is measurably stronger than ice in which the crystals are oriented with their c-axes vertical.
    Type of Medium: Series available for loan
    Pages: v, 28 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 349
    Language: English
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  • 32
    Call number: ZSP-202-343
    In: Research report
    Description / Table of Contents: CONTENTS: Abstract. - Preface. - Introduction. - Experimental procedure. - Experimental and theoretical equations. - Results and discussion. - Conclusions. - Literature cited.
    Description / Table of Contents: Simultaneous laser extinction measurements were made in warm fog at wavelengths of 0.6238, 1.15 and 10.6 [Mu]. The warm fog was generated in a 4-m^3 environmental chamber. Particle sampling was carried out simultaneously with the laser measurements using an impactor. Using the same size distribution in each case the theoretical extinction coefficients were calculated and compared with the experimental coefficients. Results obtained during this experiment and aprevious one indicate that propagation at 1.15 [Mu] is adversely affected by the presence of atmospheric water vapor. Experimental data obtained simultaneously at 0.6328 and 10.6 [Mu] indicate that virtually no difference exists between the extinction coefficients at these two wavelengths for moderate particle concentrations while at much larger concentrations [Alpha]0.6328 increases indefinitely while [Alpha]10.6 levels off at 0.2.
    Type of Medium: Series available for loan
    Pages: iii, 7 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 343
    Language: English
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  • 33
    facet.materialart.
    Unknown
    Delft ; 1.1969-76.2010
    Call number: S 90.0083
    ISSN: 0165-1706
    Language: English
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  • 34
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-340
    In: Research report
    Description / Table of Contents: CONTENTS: Abstract. - Preface. - Nomenclature. - Introduction. - Theory. - Application. - Literature cited. - Appendix.
    Description / Table of Contents: The equations describing water movement in a dry snow cover are derived and examples of flow through ripe, refrozen and fresh snows are given. The grain size of snow has a large effect on the timing of water discharge. Water is retained by dry snow to raise its temperature and satisfy the irreducible water saturation. These requirements delay and reduce runoff following rain on dry snow.
    Type of Medium: Series available for loan
    Pages: iv, 13 S. : graph. Darst.
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 340
    Language: English
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  • 35
    Call number: ZSP-202-338
    In: Detecting structural heat losses with mobile infrared thermography / R.H. Munis, S.J. Marshall and M.A. Bush, Part II
    In: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command, 338
    Description / Table of Contents: CONTENTS: Abstract. - Preface. - Introduction. - Discussion of heat loss survey of six housing units. - Survey of base facilities. - Conclusions. - Literature cited.
    Description / Table of Contents: During the winter of 1973-74 a mobile infrared thermography system was used to survey housing units and base facilities at Pease Air Force Base, Portsmouth, New Hampshire. This report provides both qualitative and quantitative evidence regarding heat flow out of the eave vents of these housing units. Calculations indicate that a significant amount of heat is being lost in this manner due to inadequate attic (cap) insulation. Possible evidence of incomplete ventilation could explain the presence of condensation in the housing units. Analyses of thermograms are presented to show the possible existence of low and high pressure areas around a structure and how they relate to heat loss.
    Type of Medium: Series available for loan
    Pages: iii, 29 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 338
    Language: English
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  • 36
    Series available for loan
    Series available for loan
    Hanover, NH : Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-333
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Introduction. - Analogy method. - Method based on the bending theory of elastic plates and the criterion [Sigma]max = [Sigma]f. - Methods based on viscoelastic theories. - Methods based on the yield line theory or limit analysis. - Comparison of analytical and test results. - General remarks. - Effect of bending and shearing forces on deflection of an ice cover. - Determination of Pf(O). - Determination of Pf(t). - Determination of [Sigma]f. - Summary and recommendations. - Literature cited.
    Description / Table of Contents: This report contains a critical survey of the literature on the bearing capacity of floating ice plates. It consists of a discussion of general questions, a critical survey of analytical attempts to determine the bearing capacity of floating ice plates, and a survey of field and laboratory tests on floating ice plates and their relation to the analytical results. The paper concludes with a systematic summary of the results, a discussion of observed shortcomings, and suggestions for needed investigations.
    Type of Medium: Series available for loan
    Pages: iv, 43 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 333
    Language: English
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  • 37
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-260
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Abstract. - Introduction and statermnt of problem. - Solution of problem shown in Figure 3. - Solution of problem shown in Figure 4. - The negligibility of the effects of buoyancy and incompressibility of the sealed liquid. - Literature cited.
    Description / Table of Contents: After a brief description of the circumstances which led to the investigation of the title problem and discussion of some related previous investigations, exact solutions are derived for a circular plate which seals an incompressible liquid, is clamped along the boundary and is subjected at an arbitrary point to a lateral concentrated force P. For the case when the plate is covered by a thin liquid layer the solution is obtained in closed form. When this liquid layer is absent, the solution is obtained as an infinite series. The paper concludes with a study of the range of the parameter ([Lambda] a) for which the effort of buoyancy is negligible upon the deflections and stresses in the plate.
    Type of Medium: Series available for loan
    Pages: iv, 11 Seiten , Illustartionen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 260
    Language: English
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  • 38
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-256
    In: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command, 256
    Description / Table of Contents: The flow of a compressible fluid through a deep layer of a porous medium with non-uniform permeability was analyzed. The volumetric behavior of the fluid was described first by the perfect gas law, then by the van der Waal's equation of state. Darcy's law was assumed to be valid. For illustration, the model of air flowing through a deep bed of naturally compacted snow was used to carry out numerical computation. The permeability of snow was considered as a function of depth. The nonlinear partial differential equation obtained by combining the continuity equation with Darcy's law was solved by finite difference technique. A time dependent exponential decay boundary condition was used which included the step-rise constant boundary condition as a limiting case. Pressure distributions in the porous medium calculated from the assumption of ideal gas and van der Waal's gas were compared. The data were presented in dimensionless variables.
    Type of Medium: Series available for loan
    Pages: iv, 13 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 256
    Language: English
    Note: CONTENTS: Preface. - Abstract. - Introduction. - Theory. - Computation and results. - Conclusions. - Literature cited.
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  • 39
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-255
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Abstract. - Introduction. - Previous work on unsteady rectilinear motion of a sphere. - Experiments with a circular path. - Conclusion. - Literature cited. - Appendix A: Comparisons of the measured and calculated forces.
    Description / Table of Contents: Forces on a sphere moving unsteadily along a circular path in a viscous fluid are measured, and it is found that within the experimental range the formula valid for rectilinear motion has to be modified to account for the curvature of the path.
    Type of Medium: Series available for loan
    Pages: iv, 10 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 255
    Language: English
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  • 40
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-249
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Abstract. - Introduction. - Analytical procedures. - Results and discussion. - Bubbles in ice. - Conclusions. - Literature cited.
    Description / Table of Contents: Application of the gas law to fourth-place density measurements of ice samples from two deep drill holes at Byrd Station and Little America V, Antarctica, shows that virtually all density increase beyond the pore close-off density (0.830 g/cm^3) can be attributed to compression of the entrapped bubbles of air. Data from Byrd Station also indicate that the lag between overburden pressure and bubble pressure, initially 4-5 kg/cm^2 at pore close-off, diminishes to less than 1.0 kg/cm^2 at about 200-m depth. By substituting the overburden pressure for the bubble pressure in the pressure-density relationship based on the gas law, ice densities below 200 m can be calculated more accurately than they can be measured per se on cores because of the relaxation that occurs in samples recovered from high confining pressures. This relaxation, resulting in a progressive increase in the bulk volume of the ice with time, is generally attributed to decompression of the entrapped air bubbles following removal of the ice from high confining pressures. However, calculations of the stress in ice due to bubble pressure, together with measurements of bubble sizes in cores from various depths at Byrd Station, both tend to indicate that there has'been negligible decompression of the inclosed bubbles. It is suggested that most of this relaxation may be due to the formation of microcracks in the ice. Anomalous bubble pressure-density relations at Little America V tend to confirm abundant stratigraphic evidence of the existence of considerable deformation in the upper part of the Ross Ice Shelf. Studies of crystal-bubble relations at Byrd Station revealed that the concentration of bubbles in ice remains remarkably constant at approximately 220 bubbles per cm^3. Bubbles and crystals were found to be present in approximately equal numbers at pore close-off at 64-m depth, at which level the average bubble diameter was 0.95 mm, decreasing to 0.49 mm at 116 m and to 0.33 mm at 279 m. Despite a tenfold increase in the size of crystals between 64 and 279 m, the bubbles showed no tendency to migrate to grain boundaries during recrystallization of the ice. The observation that most of the bubbles had assumed substantially spherical shapes by 120-m depth points to essentially hydrostatic conditions in the upper layers of the ice sheet at Byrd Station.
    Type of Medium: Series available for loan
    Pages: iv, 16 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 249
    Language: English
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  • 41
    Call number: S 90.0062(27)
    In: Berliner geowissenschaftliche Abhandlungen
    Type of Medium: Series available for loan
    Pages: X, 176 S.
    ISBN: 3895820555
    ISSN: 0722-687X
    Series Statement: Berliner geowissenschaftliche Abhandlungen : Reihe B, Geophysik 27
    Classification:
    Regional Geology
    Language: English
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  • 42
    Call number: AR 98/36
    In: International IDNDR-Conference on Early Warning Systems for the Reduction on Natural Disasters
    Type of Medium: Monograph available for loan
    Pages: 125 S.
    Classification:
    A.0.6.
    Language: English
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  • 43
    Call number: SR 90.0018(129) ; ZSP-183-129
    In: Bulletin / Grønlands Geologiske Undersøgelse, No. 129
    Description / Table of Contents: The Holocene stratigraphy in Scoresby Sund is based on climatic change as reflected by fluctuations in fjord and valley glaciers, immigration and extinction of marine molluscs, and the vegetation history recorded in pollen diagrams from five lakes. The histories are dated by C-14, and indirectly by emergence curves showing the patterns of isostatic uplift. From c. 10100-10400 to 9400 yr BP the major fjord glaciers showed oscillatory retreat with abundant moraine formation, the period of the Milne Land Moraines. The vegetation in the ice free areas was a sparse type of fell field vegetation but with thermophilous elements indicating temperatures similar to the present. From 9400 yr BP the fjord glaciers retreated rapidly in the narrow fjords, the few moraines formed are referred to the R0defjord stages and indicate topographically conditioned stillstands. At 8000 yr BP the low arctic Betula nana imigrated into the area, and in the period until 5000 yr BP dense dwarf shrub heath grew in areas where it is now absent. In the fjords the subarctic Mytilus edulis and Pecten islandica lived, suggesting a climate warmer than the present. From c. 5000 yr BP the dense dwarf shrub heath began to disappear in the coastal areas, and a 'poor' heath dominated by the high arctic Salix Arctica and Cassiope tetragona expanded. These two species, which are now extremely common, apparently did not grow in the area until c. 6000 yr BP. In lakes in the coastal area minerogenic sedimentation at c. 2800 yr BP, reflecting the general climatic deterioration.
    Type of Medium: Series available for loan
    Pages: 66 S. : Ill., graph. Darst., Kt. + 7 Beil.
    Series Statement: Bulletin / Grønlands Geologiske Undersøgelse 129
    Language: English
    Note: CONTENTS: Introduction. - Topography and hydrography. - Climate, glaciation, permafrost. - Notes on the scientific exploration of the area. - Sea level changes. - C-14 dates on shell material, corrections and errors. - Marine limits. - Emergence curves. - Marine faunas. - Glaciation history. - Pleistocene glaciation. - The Milne Land Moraines. - Glacial retreat, the Rødefjord stages. - Glacial readvance. - Climatic implications. - Comparison with other areas. - Pollen analytical investigations. - Field methods. - Lake sediments. - C-14 dates of lake sediments and rates of sedimentation. - Pollen preparation and calculation procedures. - Pollen identification. - Description of sites and pollen diagrams. - Notes on the present vegetation. - Discussion and reconstruction of vegetation types. - Plant immigration and climatic change. - Summary of the vegetation history. - Comparison with other areas. - General notes on the climatic development. - Acknowledgements. - References.
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  • 44
    Monograph available for loan
    Monograph available for loan
    Stuttgart : Ed. Menges
    Call number: IASS 12.0138
    Type of Medium: Monograph available for loan
    Pages: 55 S. , zahlr. Ill. und graph. Darst. , 28 cm
    ISBN: 3930698692
    Uniform Title: Das Aufwindkraftwerk
    Language: English
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  • 45
    Call number: ZSP-202-337
    In: Research report
    Description / Table of Contents: Contents: Introduction. - Surface ice observations. - Imagery interpretation. - Side-looking airborne radar. - Infrared. - Conclusions. - Literature cited.
    Description / Table of Contents: Ice conditions during mid-January 1974 in the Gulf of St. Lawrence and in the estuaty as far upstream as Rimouski are described utilitizing side-looking airborne radar, infrared and photographic imagery. The interpretations were verified by simultaneous surface observations on the ice by investigators operating from the CSS Dawson. The ice examined was undergoing rapid drift and deformation and showed a wide variety of thin ice (0-40 cm) features formed under the influence of strong winds and currents. These observations should serve as a guide in interpreting ice conditions in similar areas where ground truth data are not available.
    Type of Medium: Series available for loan
    Pages: 41 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 337
    Language: English
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  • 46
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-336
    In: Research report
    Description / Table of Contents: CONTENTS: Abstract. - Preface. - Nomenclature. - Introduction. - Description of study. - Sample preparation. - Test equipment and procedure. - Discussion of results. - Stress-density relationship. - Effect of rate of deformation. - Effect of temperature. - Effect of initial snow density. - Stress-deformation relationship. - Summary and conclusions. - Microstructural analysis. - Introduction. - Analytical methods. - Results and discussion. - Conclusion. - Literature cited. - Anpendix: Test data.
    Description / Table of Contents: The effects of snow temperature, rate of deformation, and initial density on the stress vs density and stress vs deformation relationships were investigated in the pressure range of 0.1 to 75 bars. The rate of deformation in the range of 0.027 to 27 cm sec^-1 does not have a significant effect. A decrease in temperature in the range of 0° to -40°C increases the resistance to stress and deformation, the temperature effect increasing with applied pressure and initial density. The effect of initial density is significant. For any stress, an increase in the initial density results in an increase in the resulting density, particularly at low stress levels and at temperatures near 0°C. The texture of artificially compacted snow is significantly different from that of naturally compacted snow of the same density because of the very short recrystallization time period.
    Type of Medium: Series available for loan
    Pages: iv, 57 Seiten , Illustrations
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 336
    Language: English
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  • 47
    Series available for loan
    Series available for loan
    Hanover, NH : Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-334
    In: Research report
    Description / Table of Contents: CONTENTS: Abstract. - Preface. - List of symbols and associated dimensions. - Introduction and purpose. - Site characteristics. - Outline of study scheme. - Analysis. - Heat conduction to the drill hole. - Heat transfer between conduit wall and coolant. - Heat transfer between surface pipe and air. - Total heat extraction process. - Example calculations. - Estimate of basal water thickness and flow rates. - Summary of investigations of multiple-hole. - Literature cited.
    Description / Table of Contents: A scheme for cooling the lower portion of the edge of the Greenland ice sheet, which abuts a potential mining operation, is examined. The magnitude of cooling which may be accomplished by drilling a series of holes about the periphery of the mine site is determined as a function of hole size, spacing and time. Refrigeration is accomplished by pumping a coolant downhole in a central pipe, then uphole in an annulus between the pipe and hole wall, and then through a thin-walled pipe exposed to the surface climate above the ice sheet. It was found possible to achieve a temperature change in the ice of the order of -1°C with hole spacings and pumping requirements which are considered reasonable. Other effects are briefly examined and include an estimate of the basal water thickness and flow rates.
    Type of Medium: Series available for loan
    Pages: vii, 19 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 334
    Language: English
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  • 48
    Monograph available for loan
    Monograph available for loan
    Amsterdam [u.a.] : Elsevier
    Associated volumes
    Call number: 9/M 13.0083
    In: Developments in sedimentology
    Type of Medium: Monograph available for loan
    Pages: 471 S., Ill., graph. Darst., kt-.
    Series Statement: Developments in sedimentology 9A
    Language: English
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  • 49
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-242
    In: Research report, 242
    Description / Table of Contents: The attenuation of visible light by falling snow was studied by making simultaneous attenuation measurements and snow concentration measurements. The attenuation coefficient was calculated from photometric measurements and from visual observations. Snow concentration in the air was evaluated by two methods: from Formvar replicas collected during the snowfall, and by mass accumulation of snow in collecting pans. The snowflakes were arbitrarily classified by crystal types according to their estimated fall velocity. It was found that the correlation between extinction coefficient (attenuation) and snow concentration was generally much higher by types than when all snowflakes were considered together regardless of crystal components and degree of riming. Two types, apparently improperly classified, displayed lower correlations than the overall group. When no fog is present during the snowfall, the experimental results coincide well with attenuation theory if a reasonable correction is applied to the values obtained in the measurement of snowflake diameters. Measurements of mass flux indicate that for a given intensity the attenuation caused by snow is an order of magnitude greater than that caused by the same mass flux of rain.
    Type of Medium: Series available for loan
    Pages: iv, 27 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 242
    Language: English
    Note: CONTENTS: Preface. - Abstract. - Introduction. - Initial theoretical considerations. - Light attenuation by particles. - Basis of attenuation meter measurements. - Contrast reduction and visual range. - Transmissometer theory, Pritchard photometric method. - Terminal velocity of snowflakes. - Methods of measurement: Light attenuation. - Duntley (Scripps Institution) attenuation meter. - "Meteorological range" observations. - Pritchard photometric method. - Methods of measurement: Atmospheric concentration of snowflakes. - Replication method. - Mass accumulation method. - Analysis of snow samples. - Terminal velocity of snowflakes. - Flux density and atmospheric concentration. - Mass accumulation rate. - Concurrent attenuation due to fog. - Discussion of results. - Computational methods. - Correlations: Attenuation coefficient vs area concentration. - Correlations: Attenuation coefficient vs are a flux. - Correlations: Attenuation coefficient vs mass concentration and mass flux. - Comparison of sampling methods for mass flux. - Attenuation of visible light by snow compared to rain. - Literature cited. - Appendix A.
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  • 50
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-264
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Abstract. - Introduction. - Physical properties of ice fog. - Mie scattering computations. - Results. - Literature cited.
    Description / Table of Contents: Ice-fog crystals consisting of many spherical particles, and some hexagonal plates and columns, were observed at ambient temperatures of about -40°C in the Fairbanks, Alaska area during mid-winter. The concentrations and the size distributions of the ice-fog crystals were measured. The attenuation and backscattering of infrared radiation by ice-fog crystals were computed for optical wavelengths of 2.2[My], 2.7[My], 4.5[My], 5.75[My], 9.7[My] and 10.9[My] using the Mie theory. The minimum attenuation coefficients and backscattering functions of ice fog were found to be at 9.7[My] wavelength in the observed wavelengths. Optical attenuation coefficients and volume backscattering functions of water fogs were also computed using the Mie theory. The minimum attenuation coefficients and backscattering functions of water fog were found to be at 10.9[My] wavelength in the region of 2.2[My], 2.7[My], 4.5[My], 5.75[My], 9.7[My] and 10.9[My]. Both the attenuation coefficients and backscattering functions of ice fog are within the same order of magnitude as water fog for equivalent fog concentrations and wavelengths.
    Type of Medium: Series available for loan
    Pages: iv, 7 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 264
    Language: English
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  • 51
    Monograph available for loan
    Monograph available for loan
    St-Rémy-lès-Chevreuse : Association Francaise du Genie Parasismique
    Call number: M 15.0048
    Type of Medium: Monograph available for loan
    Pages: Getr. Zähl. : graph. Darst, Kt.
    Uniform Title: Guide méthodologique pour la réalisation d'études de microzonage sismique
    Language: English
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  • 52
    Series available for loan
    Series available for loan
    Hanover, NH : Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-266
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Introduction. - Review of dielectric properties of soils and rocks. - Methods and measurements. - Introduction. - Dispersion. - Experimental procedures. - Introduction. - Apparatus. - Correction for stray fields. - Material. - Results. - The dielectric properties of Na-montmorillonite suspensions as a function of concentration. - The dielectric properties of K-montmorillonite water suspension. - Conclusions. - Outlook. - Literature cited.
    Description / Table of Contents: The dielectric properties of Na- and K- montmorillonite suspensions with concentrations varying from 2.5% to 0.10% by weight were measured at 25°C in the frequency range of 50 Hz to 20 kHz. Effects of electrode polarization were minimized by using the same stainless steel electrodes at different interelectrode distances and a correction was applied to compensate for stray fields. This investigation establishes the fact that the high dielectric constants of clay suspensions at audio frequencies are real and not the result of electrode polarization. The polarization that determines the dispersion is an interfacial phenomenon between the ionic atmosphere and the negatively charged clay particle. The results of this study show that clay suspensions have the same dispersion as soil samples, indicating the probability that the dispersion of wet soils in the frequency range from 50 Hz to 20 kHz is similar for most soils. The actual value of the dielectric constant, however, cannot yet be predicted.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 266
    Language: English
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  • 53
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Materiel Command, Terrestrial Sciences Center, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-263
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Abstract. - Introduction. - Theoretical background. - Experimental apparatus and procedures. - Results and discussion. - Conclusions. - Literature cited.
    Description / Table of Contents: The transition in the mode of heat transfer from conduction to convection in a layer of water formed continuously by melting ice from below has been determined experimentally. This was accomplished by locating the inflection point on the curve relating the water-ice interface (or melting front) and time. Thus, the critical Rayleigh number, Rac, at which convective heat transfer started can be correlated empirically as a function of warm plate temperature, Ts, by Rac= 14,200 exp(-6.64 x 10^-2 Ts). This relation is valid for Ts varying from 7.72 to 25.50°C. The initial ice temperature T0 was varied from -4.8 to -22.00°C. The effect of T0 was found to be insignificant. Homogeneous, bubble-free ice was prepared and used in all the experiments.
    Type of Medium: Series available for loan
    Pages: iv, 12 Seiten , Illustrations
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 263
    Language: English
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  • 54
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    Innsbruck : Univ.-Verl. Wagner ; Nachgewiesen 2.1979 -
    Call number: ZSP-387
    Language: English
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  • 55
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Springer
    Call number: M 93.0192
    Type of Medium: Monograph available for loan
    Pages: XXIV, 828 S. : graph. Darst.
    Language: English
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  • 56
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    Monograph available for loan
    London [u.a.] : Acad. Press
    Call number: G 7746 ; M 93.0213
    Type of Medium: Monograph available for loan
    Pages: XIV, 720 S. : Ill., graph. Darst.
    Edition: 2. ed.
    ISBN: 0127829601
    Language: English
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  • 57
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    New York [u.a.] : Wiley
    Call number: M 93.0238
    Type of Medium: Monograph available for loan
    Pages: XIV, 780 S. : graph. Darst.
    ISBN: 0471048313
    Language: English
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  • 58
    Call number: ZSP-168-299
    In: Berichte zur Polarforschung
    Type of Medium: Series available for loan
    Pages: IV, 326 S. : Ill., graph. Darst., Kt.
    ISSN: 0176-5027
    Series Statement: Berichte zur Polarforschung 299
    Language: English
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  • 59
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    Monograph available for loan
    Athens : Theophrastus Publ.
    Call number: G 86942 ; M 93.0112
    Type of Medium: Monograph available for loan
    Pages: X, 917 S. : graph. Darst.
    Language: English
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  • 60
    Call number: M 93.0148
    Type of Medium: Monograph available for loan
    Pages: 590 S.
    Language: English
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  • 61
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    Monograph available for loan
    London : Allen & Unwin
    Call number: M 93.0030
    Type of Medium: Monograph available for loan
    Pages: 247 S.
    Language: English
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  • 62
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    Monograph available for loan
    Englewood Cliffs : Prentice-Hall
    Call number: M 93.0218
    Type of Medium: Monograph available for loan
    Pages: VIII, 120 S. : Ill.
    Edition: 4. print.
    Series Statement: Foundations of earth science
    Language: English
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  • 63
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    Oxford [u.a.]: University Press
    Call number: 93.0023
    Pages: XIII, 303 S.
    Language: English
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  • 64
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    Monograph available for loan
    Amsterdam [u.a.] : Elsevier
    Associated volumes
    Call number: 11/MR 90.0991 ; M 93.0094/4
    In: Handbook of strata-bound and stratiform ore deposits ; part I
    Type of Medium: Monograph available for loan
    Pages: X, 429 S.
    ISBN: 0444414045
    Language: English
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  • 65
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    Monograph available for loan
    Hannover : Bundesanstalt für Geowissenschaften und Rohstoffe
    Associated volumes
    Call number: 9882/I ; M 93.0064/1
    In: The iron ore deposits of Europe and adjacent areas
    Type of Medium: Monograph available for loan
    Pages: 418 S. : graph. Darst.
    Language: English
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  • 66
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    Amsterdam [u.a.] : Elsevier
    Associated volumes
    Call number: 11/M 93.0094/7
    In: Handbook of strata-bound and stratiform ore deposits ; part II
    Type of Medium: Monograph available for loan
    Pages: xii, 656 S.
    ISBN: 044441407X
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  • 67
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    Amsterdam [u.a.] : Elsevier
    Associated volumes
    Call number: 11/MR 90.0989 ; M 93.0094/2
    In: Handbook of strata-bound and stratiform ore deposits ; part I
    Type of Medium: Monograph available for loan
    Pages: XI, 363 S.
    ISBN: 0444414029
    Language: English
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  • 68
    Monograph available for loan
    Monograph available for loan
    Associated volumes
    Call number: M 93.0078/2 ; M 93.0079/2
    In: Chemical oceanography
    Type of Medium: Monograph available for loan
    Pages: XV, 508 S. : graph. Darst.
    Language: English
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  • 69
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    Monograph available for loan
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    Call number: M 93.0078/1
    In: Chemical oceanography
    Type of Medium: Monograph available for loan
    Pages: XIX, 712 S. : graph. Darst.
    Language: English
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  • 70
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    London [u.a.]: Academic Press
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    Call number: 93.0079
    In: Chemical oceanography
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  • 71
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    Milton Keynes
    Call number: 93.0257/3
    Pages: 140 S.
    Series Statement: The Open University. Science. A second level course. The earth's physical resourses. S 266 , Block 3
    Language: English
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  • 72
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    Milton Keynes
    Call number: 93.0257/1
    Pages: 52 S.
    Series Statement: The Open University. Science: A second level course. The earth's physical resources. S 266 , Block 1
    Language: English
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  • 73
    Monograph available for loan
    Monograph available for loan
    Washington, D.C. : Mineralogical Society of America
    Associated volumes
    Call number: 11/G 9222
    In: Reviews in mineralogy
    Description / Table of Contents: Although phyllosilicates are common in almost all types of rocks, their detailed study has not advanced in proportion to their importance. Books and reviews on this subject have been restricted primarily to the areas of clay mineralogy and soils. Such treatments understandably restrict coverage of the occurrences of the macroscopic-size species as well as much of their mineralogical and petrological nature. It was decided at the outset that not all phyllosilicates could be covered in a single book, and the size of this volume addressed only to the micas justifies the original decision. Kaolins, serpentines, chlorites, etc. will have to wait until some later date. This volume attempts to gather together much of our knowledge of micas, the most abundant phyllosilicate, and to indicate promising areas of future research. Chapters 1-3 lay the foundations of the classification, structures, and crystal chemistry of micas. Chapter 4 treats bonding and electrostatic modeling of micas. Chapters 5 and 6 cover spectroscopic and optical properties. Chapters 7-13, the bulk of the volume, are devoted to geochemistry and petrology. These include phase equilibria and the occurrences, chemistry, and petrology of micas in igneous, metamorphic, and sedimentary rocks, pegmatites, and certain ore deposits. Some treatments are exhaustive. All are at the forefront of our present knowledge, and indicate clearly the practical applications'of the study of micas to ascertaining various parameters of origin and crystallization history, as well as the many problems that still exist. The aim of this type of treatment is twofold -- to provide a handy reference volume for teachers and students and to enable researchers to pick more easily those directions and problems for which future research is most needed or is apt to be most productive or most challenging. X-ray powder patterns of micas in the literature are of surprisingly poor quality. The best are collated and supplemented with additional new patterns in the Appendix as an aid to identification.
    Type of Medium: Monograph available for loan
    Pages: xii, 584 S. : Ill., graph. Darst.
    ISBN: 0-939950-17-0 , 978-0-939950-17-1
    ISSN: 1529-6466
    Series Statement: Reviews in mineralogy 13
    Language: English
    Note: Chapter 1. Classification and Structures of the Micas by S. W. Bailey, p. 1 - 12 Chapter 2. Crystal Chemistry of the True Micas by S. W. Bailey, p. 13 - 60 Chapter 3. The Brittle Micas by Stephen Guggenheim, p. 61 - 104 Chapter 4. Electrostatic Energy Models of Micas by R. F. Giese, Jr., p. 105 - 144 Chapter 5. Spectroscopy of Micas by George R. Rossman. p. 145 - 182 Chapter 6. Optical Properties of Mica Under the Polarizing Microscope by Ray E. Wilcox, p. 183 - 200 Chapter 7. Experimental Phase Relations of the Micas by David A. Hewitt and David R. Wones, p. 201 - 256 Chapter 8. Paragenesis, Crystallochemical Characteristics, and Geochemical Evolution of Micas in Granitic Pegmatites by Petr Cerny and Donald M. Burt, p. 257 - 298 Chapter 9. Micas in Igneous Rocks by J. Alexander Speer, p. 299 - 356 Chapter 10. Micas in Metamorphic Rocks by Charles V. Guidotti, p. 257 - 468 Chapter 11. F-OH and Cl-OH Exchange in Micas with Applications to Hydrothermal Ore Deposits by James L. Munoz, p. 469 - 494 Chapter 12. Illite by Jan Sordori and Dennis D. Eberl, p. 495 - 544 Chapter 13. Glauconite and Celadonite Minerals by I. Edgar Odom, p. 545 - 572 Appendix: X-Ray Power Patterns of Micas p. 573 - 584
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  • 74
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    Monograph available for loan
    Berlin [u.a.] : Springer
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    Call number: 10/M 93.0251/3
    In: Handbook of geochemistry
    Type of Medium: Monograph available for loan
    Pages: Losebl.-Ausg.
    Language: English
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  • 75
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    Monograph available for loan
    Berlin [u.a.] : Springer
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    Call number: 10/M 93.0251A/6
    In: Handbook of geochemistry
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  • 76
    Call number: M 93.0039/2
    In: Proceedings of the Second International Kimberlite Conference
    Type of Medium: Monograph available for loan
    Pages: 432 S.
    ISBN: 0875902138
    Language: English
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  • 77
    Call number: G 8465 ; M 93.0237 ; M 93.0237
    In: Special publication ... of the Society for Geology Applied to Mineral Deposits
    Type of Medium: Monograph available for loan
    Pages: XIV, 402 S. : Ill., graph. Darst.
    ISBN: 3540122311
    Series Statement: Special publication of the Society for Geology Applied to Mineral Deposits 3
    Language: English
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  • 78
    Call number: M 97.0134/1
    In: Proceedings of the Fourth International Conference on Remote Sensing for Marine and Coastal Environments
    Type of Medium: Monograph available for loan
    Pages: xxvi, 718 S.
    Classification:
    A.1.1.
    Language: English
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  • 79
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    Monograph available for loan
    Moskau : Scientific World
    Call number: PIK N 454-00-0293
    Type of Medium: Monograph available for loan
    Pages: 368 p.
    ISBN: 5891760290
    Language: English
    Location: A 18 - must be ordered
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  • 80
    Call number: M 97.0134/2
    In: Proceedings of the Fourth International Conference on Remote Sensing for Marine and Coastal Environments
    Type of Medium: Monograph available for loan
    Pages: xxvi, 648 S.
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    A.1.1.
    Language: English
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  • 81
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    Monograph available for loan
    Upper Saddle River, NJ : Prentice Hall
    Call number: 9/M 97.0137
    Type of Medium: Monograph available for loan
    Pages: 165 S.
    ISBN: 013517905X
    Classification:
    Tectonics
    Language: English
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  • 82
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    Series available for loan
    Associated volumes
    Call number: S 99.0085(1-96/97)
    In: Semiannual technical summary
    In: NORSAR Scientific Report
    Type of Medium: Series available for loan
    Pages: vi, 153 S.
    Series Statement: 1-96/97
    Classification:
    Seismology
    Language: English
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  • 83
    Monograph available for loan
    Monograph available for loan
    London : Heinemann
    Call number: M 97.0182
    Type of Medium: Monograph available for loan
    Pages: xi, 404 S.
    Classification:
    Geography and Geomorphology
    Language: English
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  • 84
    Call number: ZSP-201-78/28
    In: CRREL Report, 78-28
    Type of Medium: Series available for loan
    Pages: x, 112 Seiten , Illustrationen
    Series Statement: CRREL Report 78-28
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction Descriptions of road test sections Test equipment and procedures Field repetitive plate bearing tests Data analysis General Layered-elastic analysis of the pavement systems Statistical analysis Flexural analysis Summary and conclusions Literature cited Appendix A: Resilient surface deflections for the test points
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  • 85
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-78/24
    In: CRREL Report, 78-24
    Type of Medium: Series available for loan
    Pages: v, 12 Seiten , Illustrationen
    Series Statement: CRREL Report 78-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Comparison of winters Ship effects Measured forces Sequential breaking of the structure Discussion Conclusions Recommendations Literature cited Appendix A. Force level fluctuations in west ice boom, 20 January 1977
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  • 86
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-78/19
    In: CRREL Report, 78-19
    Type of Medium: Series available for loan
    Pages: iv, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 78-19
    Language: English
    Note: CONTENTS Abstract Preface Introduction Previous work Methods and results Methods of analysis Salinity-chlorophyll a associations Discussion Comparison of ice and water column standing crops Estimated mass of ice associated chl. a Mechanism of ice algae formation in the Weddell Sea Differences between the biological environments of fast and drifting pack ice Conclusions Literature cited Appendix A. Species variations - ice and water column
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  • 87
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-78/17
    In: CRREL Report, 78-17
    Description / Table of Contents: Abstract: This investigation utilized historical and recent aerial photographs and satellite imagery in 1) estimating changes in positions of the high-water line and sea cliff break and base, in rates of accretion and/or erosion, and in volumes of transported sediment, and 2) providing a preliminary evaluation of the direction of littoral transport along the outer Cape Cod coast. Using aerial photographs acquired in 1938, 1952, 1971 and 1974 with manual photointerpretation techniques, changes in the distances from selected reference points to the cliff break, cliff base and the high-water line were measured. LANDSAT-1 and -2 imagery acquired from 1 September 1972 to 28 May 1975 was evaluated for use in determining the directions of littoral transport that are active the predominant amount of time. Although the imagery has been very useful for this purpose at other locations, it proved to be useless along the outer shore of Cape Cod. Largest net migrations of the high water line from 1938 to 1974 occurred in the northern and southern portions of this coast. The northern maximum high water line was 321.4 ft, the southern was 1794.6 ft. The central portion of the coast was generally more stable with changes varying from 6.8 to 157.6 ft. Cliff-base recession rates varied from 0.4 to 7.3 ft/yr. Maximum estimated net volume of sediment deposited per linear foot of beach from 1938 to 1974 was 334 yd^3 (based on 2 yd^3/ft of recession or accretion); maximum eroded was 914 yd^3. Changes in the configuration of spits were used to evaluate directions of littoral transport since suspended sediment concentrations were generally not sufficient to act as natural tracers of surface currents. Based on the literature and a determination of the portion of the coast perpendicular to the direction of dominant wave approach, the location of the nodal zone for predominant littoral directions of drift probably shifts between the area near Spectacle Pond and North Truro Air Force Station. This investigation has illustrated a photo interpretation technique that is useful in performing a reconnaissance of coastal change. The data obtained from this method can be used to supplement those acquired by ground surveys and are valid as first approximations for planning subsequent, more detailed surveys.
    Type of Medium: Series available for loan
    Pages: vi, 49 Seiten , Illustrationen
    Series Statement: CRREL Report 78-17
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric units of measurement Introduction Background Previous investigations Analytical procedures Results and discussion Shoreline changes: High-water line Shoreline changes: Cliff recession Volumetric changes Nodal zone location and direction of littoral transport Error evaluation Summary and conclusions Future research Selected bibliography Appendix A: Maps of shoreline with overlays for 1938, 1952, 1971 and 1974 Appendix B: Supplementary data for estimating shoreline change
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  • 88
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-78/14
    In: CRREL Report, 78-14
    Description / Table of Contents: The analytical solution and the numerical study of the eigenvalue problem for determining the buckling pressure of an infinite elastic plate floating on water and stressed uniformly along the periphery of an internal hole is presented. The boundary conditions considered are the clamped-, simple-, and free-edge conditions. Small buckling pressure occurs only for the free-edge condition. The shape of the deflection for the free-edge condition suggests that buckling is an important mechanism of failure.
    Type of Medium: Series available for loan
    Pages: v, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 78-14
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction 1. The problem 2. Abstract of the result Part I. Fundamental solutions 3. Fuchsian type solutions 4. Contour integral solution 5. Integration of the integral solution 6. Fundamental solutions for α = 1 7. Fundamental solutions for α = 0 8. Eigenvalues for α = 0 9. Fundamental solutions for α 〉 1 Part II. Asymptotic expansions 10. Asymptotic expansion for 0 〈 α ⩽1 11. Asymptotic expansion for 1 ≦ α ≦ 2 12. Asymptotic expansion for 2 ≦ α ≦ ∞ Part III. Eigenvalues 13. Range of eigenvalues 14. Eigenvalues for the free-edge condition 15. Eigenvalues for the clamped-edge and simple-edge conditions 16. Deflection Acknowledgement Literature cited Appendix A. Analytical continuation at the singular point Appendix B. Tensorial transformations Appendix C. Comparison of the semi-infinite plate buckling with the asymptotic buckling
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  • 89
    Call number: M 97.0217
    In: Mintrop-Seminar
    Type of Medium: Monograph available for loan
    Pages: 237 S.
    Series Statement: Mintrop-Seminar 17
    Classification:
    A.0.8.
    Language: English
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  • 90
    Monograph available for loan
    Monograph available for loan
    Singapore [u.a.] : World Scientific
    Call number: M 97.0195
    Type of Medium: Monograph available for loan
    Pages: xxiv, 524 S.
    ISBN: 9810226209
    Classification:
    Petrophysics
    Language: English
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  • 91
    Call number: ZSP-201-78/12
    In: CRREL Report, 78-12
    Description / Table of Contents: Road test sections of membrane-enveloped silt and clay soils overlain with asphalt cement concrete were subjected to repetitive dynamic plate-bearing loadings to determine their strength variations during freeze-thaw cycles. The recoverable surface deformations in the load deflection bowl were continuously measured during the loading cycles and analyzed using the Chevron layered elastic computer program to obtain the in situ resilient deformation modulus of the various section layers at different stages of the freeze-thaw cycles. The resilient stiffness of the pavement system (the total load per unit of resilient load plate deflection) was also calculated for the various freeze-thaw conditions. The modulus values of the asphalt cement concrete varied inversely with its temperature by an order of magnetide (90,000 psi to 1,300,000 psi). The resilient stiffness of the pavement system varied in the same manner by nearly a factor of eight (228.4 kips/in. to 1740.2 kips/in.). Despite the wide strength variations of the sections during freeze-thaw cycles, membrane-enveloped fine-grained soils can be utilized instead of granular materials as base and subbase layers in flexible pavements in cold regions where moisture migration is a major concern. Moisture migration did not occur at saturation levels up to 75%, thus there was no strength loss during thawing.
    Type of Medium: Series available for loan
    Pages: v, 24 Seiten , Illustrationen
    Series Statement: CRREL Report 78-12
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S.customary to metric units of measurement Introduction Freeze-thaw system Construction materials Controlled environment test section Outdoor sections Temperature monitoring instrumentation Repetitive plate bearing test apparatus Test results and analyses Conclusions Literature cited
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  • 92
    Call number: ZSP-201-79/1
    In: CRREL Report, 79-1
    Description / Table of Contents: Experiments were conducted to study the flow of water through columns of homogeneous, repacked snow. The gravity flow theory of water flow through snow was verified, although possibly there is some dependence of the relative permeability on the state of metamorphism of the snow. Also, at very large values of saturation there may be some additional flow in saturated channels.
    Type of Medium: Series available for loan
    Pages: iv, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 79-1
    Language: English
    Note: CONTENTS Preface Symbols Introduction Test procedure Theory Evaluation of the experimental results Example evaluation Results and discussion Literature cited Appendix A. Measured and computed discharge
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  • 93
    Series available for loan
    Series available for loan
    Hannover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-79/2
    In: CRREL Report, 79-2
    Description / Table of Contents: The stress-density relaionships of snow-water mixtures were investigated and are shown as functions of water content, initial snow density, initial snow-water mixture density and rate of deformation. An increase in water content in snow at a particular density or a decrease in the rate of deformation (or strain rate) decreases the stress, but apparently not the specific energy required to reach a specific mixture density.
    Type of Medium: Series available for loan
    Pages: v, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 79-2
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Description of study Sample preparation Test equipment and procedure Test sample characteristics Discussion of results Data presentation format Effect of water content and mixture density Effect of water content and initial snow density Effect of deformation rate Effect of water content and rate of deformation on specific energy Summary Literature cited Appendix A. Derivation of equations Appendix B. Load-deformation traces
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  • 94
    Monograph available for loan
    Monograph available for loan
    New Brunswick [u.a.] : Rutgers Univ.
    Call number: AWI P8-08-0038
    Type of Medium: Monograph available for loan
    Pages: 126 S. : Ill.
    Edition: Final Report
    Language: English
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  • 95
    Monograph available for loan
    Monograph available for loan
    Philadelphia, Pa. : Soc. for Industrial and Applied Mathematics
    Call number: M 97.0235
    Type of Medium: Monograph available for loan
    Pages: xvii, 408 S.
    ISBN: 0898713609
    Classification:
    C.1.8.
    Language: English
    Location: Upper compact magazine
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  • 96
    Monograph available for loan
    Monograph available for loan
    London : The Geological Society
    Associated volumes
    Call number: 9/M 97.0292
    In: Geological Society special publication
    Description / Table of Contents: This book provides a synthesis of Archaean and Proterozoic crustal evolution in the North Atlantic Region. There is particular reference to Proterozoic collisional tectonics. The main topics include: Archaean crustal growth; Proterozoic crustal growth; orogenic processes during the Proterozic; geochronology of Proterozoic tectono-thermal processes; and provenance of Proterozoic sediments.
    Type of Medium: Monograph available for loan
    Pages: VII, 386 S. , Ill., graph. Darst., Kt.
    ISBN: 1897799624
    Series Statement: Geological Society special publication 112
    Classification:
    Regional Geology
    Language: English
    Note: D. B. Snyder, S. B. Lucas, and J. H. McBride: Crustal and mantle reflectors from Palaeoproterozoic orogens and their relation to arc-continent collisions / Geological Society, London, Special Publications, 112:1-23, doi:10.1144/GSL.SP.1996.112.01.01 --- H. R. Rollinson: Tonalite-trondhjemite-granodiorite magmatism and the genesis of Lewisian crust during the Archaean / Geological Society, London, Special Publications, 112:25-42, doi:10.1144/GSL.SP.1996.112.01.02 --- A. Vrevsky, R. Krimsky, and S. Svetov: Rare earth and isotopic (Nd, O) heterogeneity of the Archaean mantle, Baltic Shield / Geological Society, London, Special Publications, 112:43-53, doi:10.1144/GSL.SP.1996.112.01.03 --- E. V. Bibikova, T. Skiöld, and S. V. Bogdanova: Age and geodynamic aspects of the oldest rocks in the Precambrian Belomorian Belt of the Baltic (Fennoscandian) Shield / Geological Society, London, Special Publications, 112:55-67, doi:10.1144/GSL.SP.1996.112.01.04 --- S. V. Bogdanova: High-grade metamorphism of 2.45–2.4 Ga age in mafic intrusions of the Belomorian Belt in the northeastern Baltic Shield / Geological Society, London, Special Publications, 112:69-90, doi:10.1144/GSL.SP.1996.112.01.05 --- Martin J. Van Kranendonk and Richard J. Wardle: Burwell domain of the Palaeoproterozoic Torngat Orogen, northeastern Canada: tilted cross-section of a magmatic are caught between a rock and a hard place / Geological Society, London, Special Publications, 112:91-115, doi:10.1144/GSL.SP.1996.112.01.06 --- Toby Rivers, Flemming Mengel, David J. Scott, Lisa M. Campbell, and Normand Goulet: Torngat Orogen — a Palaeoproterozoic example of a narrow doubly vergent collisional orogen / Geological Society, London, Special Publications, 112:117-136, doi:10.1144/GSL.SP.1996.112.01.07 --- R. J. Wardle and M. J. Van Kranendonk: The Palaeoproterozoic Southeastern Churchill Province of Labrador-Quebec, Canada: orogenic development as a consequence of oblique collision and indentation / Geological Society, London, Special Publications, 112:137-153, doi:10.1144/GSL.SP.1996.112.01.08 --- Andrew Kerr, Bruce Ryan, Charles F. Gower, Richard J. Wardle, and Andrew Kerr: The Makkovik Province: extension of the Ketilidian Mobile Belt in mainland North America / Geological Society, London, Special Publications, 112:155-177, doi:10.1144/GSL.SP.1996.112.01.09 --- B. Chadwick and A. A. Garde: Palaeoproterozoic oblique plate convergence in South Greenland: a reappraisal of the Ketilidian Orogen / Geological Society, London, Special Publications, 112:179-196, doi:10.1144/GSL.SP.1996.112.01.10 --- Charles F. Gower: The evolution of the Grenville Province in eastern Labrador, Canada / Geological Society, London, Special Publications, 112:197-218, doi:10.1144/GSL.SP.1996.112.01.11 --- Ian C. Starmer: Accretion, rifting, rotation and collision in the North Atlantic supercontinent, 1700-950 Ma / Geological Society, London, Special Publications, 112:219-248, doi:10.1144/GSL.SP.1996.112.01.12 --- A. Wikström, T. Skiöld, and B. Öhlander: The relationship between 1.88 Ga old magmatism and the Baltic-Bothnian shear zone in northern Sweden / Geological Society, London, Special Publications, 112:249-259, doi:10.1144/GSL.SP.1996.112.01.13 --- J. N. Connelly and K-I. Åhäll: The Mesoproterozoic cratonization of Baltica — new age constraints from SW Sweden / Geological Society, London, Special Publications, 112:261-273, doi:10.1144/GSL.SP.1996.112.01.14 --- J. F. Menuge and T. S. Brewer: Mesoproterozoic anorogenic magmatism in southern Norway / Geological Society, London, Special Publications, 112:275-295, doi:10.1144/GSL.SP.1996.112.01.15 --- J. N. Connelly, J. Berglund, and S. Å. Larson: Thermotectonic evolution of the Eastern Segment of southwestern Sweden: tectonic constraints from U-Pb geochronology / Geological Society, London, Special Publications, 112:297-313, doi:10.1144/GSL.SP.1996.112.01.16 --- Laurence M. Page, Michael B. Stephens, and Carl-Henric Wahlgren: 40Ar/39Ar geochronological constraints on the tectonothermal evolution of the Eastern Segment of the Sveconorwegian Orogen, south-central Sweden / Geological Society, London, Special Publications, 112:315-330, doi:10.1144/GSL.SP.1996.112.01.17 --- S. Mertanen, L. J. Pesonen, and H. Huhma: Palaeomagnetism and Sm-Nd ages of the Neoproterozoic diabase dykes in Laanila and Kautokeino, northern Fennoscandia / Geological Society, London, Special Publications, 112:331-358, doi:10.1144/GSL.SP.1996.112.01.18 --- Trevor F. Emmett: The provenance of pre-Scandian continental flakes within the Caledonide Orogen of south-central Norway / Geological Society, London, Special Publications, 112:359-366, doi:10.1144/GSL.SP.1996.112.01.19 --- W. R. Fitches, N. J. G. Pearce, J. A. Evans, and R. J. Muir: Provenance of late Proterozoic Dalradian tillite clasts, Inner Hebrides, Scotland / Geological Society, London, Special Publications, 112:367-377, doi:10.1144/GSL.SP.1996.112.01.20
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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-201-78/20
    In: CRREL Report, 78-20
    Description / Table of Contents: Abstract: Measurements of the concentrations of Aitken nuclei in maritime air were made near Barrow, Alaska, in June 1975 with a modified Nolan-Pollack small-particle detector. The concentrations varied from 50 to 300 particles cm^-3 depending upon meteorological conditions. The mean Aitken nuclei count was 100 particles cm^-3 for diameters greater than 2 x 10^-3 μm. Transmission electron micrographs of aerosols in maritime air near Barrow were taken. The size range was measured to be 0.01 to 2.5 μm in diameter with the most frequently observed diameter being 0.04 μm. The volume of the maritime air and the collection efficiency of aerosol particles on filmed grids for electron microscopy were measured. The aerosol concentrations were found to be 76 to 101 particles cm^-3 ; the mean concentration was calculated to be 87 particles cm^-3. The aerosol particles in the maritime air were identified by electron microscopy and selected area electron diffraction analysis. About 20% of the aerosol particles were identified, and 80% of the particles were too small for electron diffraction analysis. Sea salt particles constituted 2% of the total, and clay minerals 3%; these particles were considered to be of natural origin. Solid combustion by-products such as coagulated carbon particles and fly ash particles constituted 16%. Despite the comparative remoteness of the sampling site, the measurements indicate that many anthropogenic aerosols were found using an electron microscope.
    Type of Medium: Series available for loan
    Pages: iv, 48 Seiten , Illustrationen
    Series Statement: CRREL Report 78-20
    Language: English
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  • 98
    Monograph available for loan
    Monograph available for loan
    Washington, DC : American Geophysical Union
    Associated volumes
    Call number: 5/M 97.0365 ; M 98.0007 / Regal 7
    In: Geophysical monograph
    Type of Medium: Monograph available for loan
    Pages: xiii, 384 S.
    ISBN: 087590078X
    Series Statement: Geophysical monograph 96
    Classification:
    Tectonics
    Language: English
    Location: Reading room
    Location: Reading room
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  • 99
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-78/21
    In: CRREL Report, 78-21
    Description / Table of Contents: This study investigates the possibility of providing estimates of the time of occurrence and length of the freezing season for any location in East and West Germany by using the average Januavy air temperature (AJ AT) as an index. The results indicate that reliable values of the mean freezing index can be obtained from the AJAT relationships which are developed for Germany. This association is further verified using data from the northeastern part of the U.S., and the AJ AT is then used to determine the average starting and ending dates (and hence the probable length) of the freezing season for stations in Germany. The AJ AT and the average dates of snowfall occurrence for numerous locations in the U.S. and Germany are also correlated. Interrelationships between these parameters and the average number of days with snow on the ground for stations up to 3000 m in elevation in Germany are examined. A detailed AJ AT map for East and West Germany, in which data from 134 stations, latitude, altitude and regional influences are considered, is developed in order to make the relationships usable. A historical review of the literature on snow studies in Germany and a brief discussion of snow-cover interpretation by satellite photography are included
    Type of Medium: Series available for loan
    Pages: v, 48 Seiten , Illustrationen , 1 Karte
    Series Statement: CRREL Report 78-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Historical literature review Relationships between midwinter temperature and freezing season Mean freezing index 4 Average January air temperature U.S. comparative study Correlation of AJAT and duration of freezing season Relationships between average January air temperature and snow conditions U.S. relationships German relationships Mapping of average January air temperatures Analysis of observed AJ AT data Development of detailed maps Application and discussion Examples Influence of vegetation Literature cited Appendix A. interpretation of snow cover by satellite Appendix B. Contour, station elevation and Aj AT maps for East and West Germany
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  • 100
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-78/13
    In: CRREL Report, 78-13
    Description / Table of Contents: Field observations of the growth fabrics of the fast and near-fast ice along the coasts of the Beaufort and Chukchi Seas show that, at depths of more than 60 cm below the upper ice surface, the sea ice crystals show striking alignments within the horizontal plane. At one site this alignment was well developed at a depth of 15 cm and in all cases the degree of preferred orientation increased with depth, with the strongest orientations occurring at the bottom of the ice sheet. In general the c-axes of the crystals were aligned roughly E-W parallel to the coast. In the vicinity of islands the alignment roughly paralleled the outlines of the islands and in narrow passes between islands the alignment paralleled the channel. Our observations, as well as similar observations made in the Kara Sea by Cherepanov, can be explained if it is assumed that the c-axes of the crystals are aligned parallel to the 'long-term' current direction at the sea ice/sea water interface. The alignments are believed to be the result of geometric selection among the growing crystals, with the most favored orientation being that in which the current flows normal to the (0001) plates of ice that make up the dendritic ice/water interface characteristics of sea ice. It is hypothesized that current flow in this direction reduces the thickness of the solute boundary layer as well as the salinity in the liquid at the interface. This lowered salinity allows crystals in the favored orientation to extend farther into the melt than neighboring crystals with less favored orientations. In addition the current tends to induce a continuous flux of supercooled seawater against the sides of the crystals that extend ahead of the interface.
    Type of Medium: Series available for loan
    Pages: v, 29 Seiten , Illustrationen
    Series Statement: CRREL Report 78-13
    Language: English
    Note: CONTENTS Abstract Preface Introduction Locale and techniques Observations Vertical variations in crystal orientation Regional variations in crystal orientation Summary of observations Causes Initial ice skim Earth’s magnetic field Currents Conclusions and consequences Literature cited
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