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  • English  (3,074)
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  • 1
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/3
    In: CRREL Report, 76-3
    Description / Table of Contents: A world-wide review of the literature applicable to the design of harbors and channels in cold regions was conducted. Forces due to ice movement present the dominant factor in the design of marine structures in cold regions. Expressions for calculating the ice force are presented. Other factors relating to design criteria such as construction materials, structure geometry, and methods of ice suppression are discussed.
    Type of Medium: Series available for loan
    Pages: iii, 32 Seiten
    Series Statement: CRREL Report 76-3
    Language: English
    Location: AWI Archive
    Branch Library: AWI Library
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  • 2
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/6
    In: CRREL Report, 76-6
    Description / Table of Contents: Water flow through the vein structure of temperate ice is described as Darbian flow in which the pressure gradient is determined from vein size and overburden pressure. A solution method for the resulting equation is given and two special cases are considered. For steady flow the equilibrium vein size is a function of depth and, by neglecting the effects of diffusion, it is shown that flow perturbations introduced at the surface propagate downward at a constant speed.These perturbations propagate so slowly that even annual surface fluctuations of flow may be eliminated by diffusion before reaching the bottom of the glacie
    Type of Medium: Series available for loan
    Pages: iii, 5 Seiten , Illustrationen
    Series Statement: CRREL Report 76-6
    Language: English
    Location: AWI Archive
    Branch Library: AWI Library
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  • 3
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/9
    In: CRREL Report, 76-9
    Description / Table of Contents: Access to study areas may be an important factor in long-term field-oriented research, particularly in-regions without well-developed road and communications systems. In a wildland hydrometeorology research project in subarctic Alaska, access to and within a 40-square-mile research watershed has been developed both in accordance with a general plan prepared at project inception and in response to developing research requirements. Foot trails, trails for 'off-road' low-ground-pressure tracked vehicles, helicopter transport, long-term data recorders, and radio telemetry of data have all been incorporated in an access and communications system. Cost estimates indicate that incorporation of gravel roads into the system would be economically advantageous, given adequate funding for initial road construction.
    Type of Medium: Series available for loan
    Pages: iv, 9 Seiten , Illustrationen
    Series Statement: CRREL Report 76-9
    Language: English
    Note: Contents Abstract Preface Conversion factors for U.S. customary and SI units Introduction Access within the Caribou-Poker Creeks Research Watershed Trail access Helicopter access Road access Alternative approaches Long-term recorders Telemetry systems Remote sensing Relative costs A desirable system Selected bibliography
    Location: AWI Archive
    Branch Library: AWI Library
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  • 4
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/22
    In: CRREL Report, 76-22
    Description / Table of Contents: Several membrane materials used or considered for MESL (membrane-enveloped soil layer) utilization of poor soils in road construction have been tested for cold effect on puncture and stiffness. PE (polyethylene) film was also tested for solvent soak effects. A simple blunt needle apparatus was devised for puncture testing. For plastic films (mainly PE), both puncture resistance and stiffness increase at low temperature (0 F, -18 C). For non-woven, spunbonded fabrics these properties are little affected by cold. For both non-wovens and PE film, puncture and bending strengths increase linearly with weight or thickness. The slope is steeper for the non-wovens, which generally are stronger on a per unit weight basis. PE film soaked in a hydrocarbon solvent swelled approximately 17% and lost about 30-40% its puncture strength. These effects are apparently reversible upon drying. Consideration has been given to sealing and patching requirements and to the drying of sealant liquids when adhering film to film. Also considered have been pos­sible slippage related to the reported low angle of friction of plastic films in soil and the possibility of lamination for improved membrane properties.
    Type of Medium: Series available for loan
    Pages: v, 60 Seiten , Illustrationen
    Series Statement: CRREL Report 76-22
    Language: English
    Note: CONTENTS Page Abstract Preface Introduction Experimental Materials Apparatus Procedure Results Discussion PE solvent soak and swelling PE solvent soak and puncture Film puncture rate effect Bending orientation Comparative tables and graphs Puncture and temperature Bending and temperature Test result vs thickness and weight General considerations Conclusion and recommendations Literature cited Appendix Detailed data tables Denier explanation
    Location: AWI Archive
    Branch Library: AWI Library
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  • 5
    Call number: MOP 44979 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 276 Seiten , Illustrationen
    Language: English
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 6
    Call number: AWI S5-82-0002
    Type of Medium: Monograph available for loan
    Pages: 86a, 2662 S.
    Language: English
    Branch Library: AWI Library
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  • 7
    Monograph available for loan
    Monograph available for loan
    San Diego : Society of Natural History
    Associated volumes
    Call number: M 98.0029
    In: The geology and paleontology of marine pliocene of San Diego, California
    Type of Medium: Monograph available for loan
    Classification:
    Historical Geology
    Language: English
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 8
    Monograph available for loan
    Monograph available for loan
    Gotha : VEB Hermann Haack
    Call number: MOP 42610 / Mitte ; AWI G4-18-14336
    Type of Medium: Monograph available for loan
    Pages: 224 Seiten , Illustrationen
    Edition: 2. Auflage
    Language: German
    Note: Inhaltsverzeichnis: Vorwort. - 1. Wasserkreislauf, Wassermengen und Eigenschaften des Wassers. - 1.1. Herkunft des Wassers auf dem Festlande. - 1.2. Wassermengen auf der Erde. - 1.3. Wichtige Eigenschaften des Wassers. - 2. Flüsse. - 2.1. Fluß und Flußsystem. - 2.1.1. Bildung von Flüssen. - 2.1.2. Wichtige Begriffe aus der Flußkunde. - 2.1.3. Wichtige flußmorphametrische Begriffe. - 2.2. Gewässersystemarten. - 2.2.1. Normaltyp. - 2.2.2. Jungmoränentyp. - 2.2.3. Fossiler Inlandeisrandtyp im nördlichen Mitteleuropa. - 2.2.4. Trockengebietstyp. - 2.2.5. Karsttyp. - 2.3. Fluß und Relief. - 2.3.1. Fluß- und Talanlage. - 2.3.2. Durchbruchstäler. - 2.3.2.1. Epigenetische Durchbruchstalstrecken. - 2.3.2.2. Antezedente Durchbruchstalstrecken. - 2.3.3. Flußanzapfungen und Überschüttung von Wasserscheiden. - 2.3.4. Gewässer und Relief im Jungmoränenland. - 2.3.4.1. Phasen der Flußentwicklung im Jungmoränengebiet. - 2.3.4.2. Phasen der Seenentwicklung im Jungmoränengebiet. - 2.3.4.3. Ineinandergreifen beider Entwicklungsreihen. - 2.4. Abfluß und Schwankungen des Abflusses. - 2.4.1. Erfassung des Wasserstandes und Abflusses. - 2.4.1.1. Wasserstandsmessung. - 2.4.1.2. Abflußmessung. - 2.4.1.3. Abflußkurve und Abflußtafel. - 2.4.1.4. Hydrologisches Jahr und hydrologische Hauptzahlen. - 2.4.2. Abfluß und Abflußschwankungen. - 2.4.2.1. Hochwasser. - 2.4.2.2. Niedrigwasser. - 2.4.3. Eisbildung in Flüssen. - 2.4.4. Materialtransport. - 2.5. Riesenströme und Abfluß von den Kontinenten. - 2.5.1. Ordnung der Stromriesen nach der Lauflänge. - 2.5.2. Rangordnung der Riesenströme nach ihrer Einzugsgebiets- bzw. ihrer Niederschlagsgebietsgröße. - 2.5.3. Mittlerer jährlicher Abfluß der größten Ströme. - 2.5.4. Abflußmäßig größte Flüsse Europas. - 2.5.5. Mittlerer jährlicher Abfluß (MQ) und weitere Abflußdaten (MHQ, MNQ, HHQ und NNQ) von Flüssen der DDR. - 2.5.6. Abfluß von den Kontinenten. - 2.6. Abflußregime. - 2.6.1. Abflußregime und Regimefaktoren. - 2.6.2. Abflußregime nach M. Parde. - 2.6.2.1. Grundlagen der Klassifizierung nach M. Parde. - 2.6.2.2. Übersicht über die Klassifikation der Abflußregime nach M. Parde. - 2.6.2.3. Einige Bemerkungen zur Klassifikation von M. Parde und weiterführende Versuche. - 3. Seen. - 3.1. Seenverbreitung. - 3.1.1. Seen in ehemaligen und heutigen Inlandeis und Gletschergebieten. - 3.1.2. Seen in Trockengebieten. - 3.1.3. Seen in Vulkangebieten und Bereichen junger Erdkrustenbewegungen. - 3.1.4. Seen in Karst- und Auslaugungsgebieten. - 3.1.5. Seen in breiten Flußebenen. - 3.1.6. Seen an Ausgleichsküsten. - 3.2. Seebeckenentstehung. - 3.2.1. Glazialbecken. - 3.2.1.1. Seebecken im Bereich heutiger Gebirgsvergletscherung oder Inlandeisbedeckung. - 3.2.1.2. Seebecken im Abtragungsbereich letzteiszeitlicher Vergletscherung und Inlandeisbedeckung. - 3.2.1.3. Seebecken im Aufschüttungsbereich letzteiszeitlicher Inlandeisbedeckung und Vergletscherung. - 3.2.2. Bergsturz- und Erdrutschbecken. - 3.2.3. Tektonisch und vulkanisch angelegte Becken. - 3.2.4. Windwirkungsbecken. - 3.2.5. Lösungs- und Auslaugungsbecken, Abdämmung durch Sinterbildung. - 3.2.6. Becken fluvialen Ursprungs. - 3.2.7. Becken an Küsten. - 3.2.8. Becken pflanzlichen und tierischen Ursprungs. - 3.2.9. Anthropogen (durch die menschliche Gesellschaft) geschaffene Becken. - 3.2.10. Meteoritenfallbecken. - 3.3. Gestaltung, Verlandung und Form der Seebecken. - 3.4. Wasserhaushalt von Seen. - 3.5. Dichtemaximum und temperaturabhängige Schichtung des Wassers. - 3.6. Zirkulation und Stagnation. - 3.7. Thermische Seetypen. - 3.8. Biologische Seetypen. - 4. Unterirdisches Wasser (von Josef Saratka). - 4.1. Arten des unterirdischen Wassers. - 4.2. Hydrogeologische Eigenschaften der Gesteine. - 4.3. Bildung des unterirdischen Wassers. - 4.4. Zehrung des unterirdischen Wassers. - 4.5. Einige wichtige geohydrologische Begriffe. - 4.6. Grundwasserbewegung. - 4.7. Grundwasserstandsschwankungen. - 4.8. Unterirdisches Wasser in Klüften und Spalten, auf Schichtflächen und in Karsthohlräumen. - 4.9. Quellen und Grundwasserblänken. - 4.10. Mineralwässer- Säuerlinge - Thermalwässer. - 5. Gletscher. - 5.1. Inlandeis- und Gletscherverbreitung sowie Mächtigkeiten. - 5.2. Gletscherbildung. - 5.2.1. Schneegrenzen und Firnlinie. - 5.2.2. Metamorphose (Umwandlung) des Schnees in Gletschereis. - 5.3. Gletschertypen. - 5.3.1. Geomorphologische Einteilung der Gletscher. - 5.3.2. Gletschertypen - im Sinne einer einheitlichen Terminologie (nach H.-J. Schneider). - 5.3.3. Geophysikalische Einteilung der Gletscher (nach H. W. Ahlmann und M. Lagally). - 5.3.4. Einteilung der Gletscher nach dem dynamischen Zustand (nach H. W. Ahlmann). - 5.4. Gletscherbewegung und -gefüge. - 5.4.1. Gletscherbewegung. - 5.4.2. Gletschergefüge. - 5.5. Gletscherhaushalt und Gletscherschwankungen. - 5.5.1. Gletscherhaushalt. - 5.5.2. Gletscherschwankungen. - 6. Wasserkreislauf und Wasserhaushaltsbilanz. - 6.1. Erforschung von Wasserkreislauf und Wasserhaushaltsbilanz. - 6.2. Wichtige Begriffe. - 6.3. Wasserhaushaltsgleichung für die Erde. - 6.4. Erfassung der Wasserhaushaltselemente. - 6.4.1. Niederschlag auf die Landflächen der Erde (N L). - 6.4.2. Abfluß von den Landflächen der Erde (AL). - 6.4.3. Verdunstung von den Landflächen (VL). - 6.4.4. Verdunstung von den Meeresflächen (VM). - 6.4.5. Niederschlag auf die Meeresflächen (NM). - 6.5. Wasserkreislauf und Wasserhaushaltsbilanz der Erde. - 6.5.1. Wasserhaushaltsbilanzen für die Erde. - 6.5.2. Wasserkreislauf und Wasserhaushaltsbilanz der Erde. - Literaturauswahl.
    Location: MOP - must be ordered
    Location: AWI Reading room
    Branch Library: GFZ Library
    Branch Library: AWI Library
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  • 9
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-78/3
    In: CRREL Report, 78-3
    Description / Table of Contents: The mathematical theory for the bearing capacity of river ice for vehicles is presented. The floating ice sheet is assumed to have simple supports at the shore line. Solutions are presented for loads uniformly distributed over circular and rectangular areas. Numerical evaluations are made for a number of vehicles and the results presented in graphical form
    Type of Medium: Series available for loan
    Pages: iii, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 78-3
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) units of measurement Introduction Theory Solution by superposition Solution by Fourier integral Solution by Fourier series Application and results Literature cited Appendix A: Bearing capacity of river ice for military vehicles Appendix B: Vehicle specifications Appendix C: Fortran II computer program
    Location: AWI Archive
    Branch Library: AWI Library
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  • 10
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    Berlin [West] ; Köln : Beuth ; Wiesbaden [u.a.] : Bauverl.
    Associated volumes
    Call number: O 2589 (111)
    In: DIN-Taschenbuch
    Pages: 148 S.
    Series Statement: DIN-Taschenbuch 111
    Language: German
    Branch Library: GFZ Library
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