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  • 1
    Call number: ZSP-SCAR-570-12
    In: National Antarctic Research Report to SCAR, No. 12
    Type of Medium: Series available for loan
    Pages: 83 Seiten , Illustrationen
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 12
    Language: English
    Note: Beilage unter dem Titel: SCAR : Wissenschaftliches Komitee für Antarktisforschung , Beilage unter dem Titel: Deutsche Mitglieder in SCAR-Gruppen = German members in SCAR Groups , Beilage unter dem Titel: Corrigendum / German Antarctic Research Report to SCAR, No. 12 - 1990 , Beilage unter dem Titel: SCAR Bulletin : No. 99, October 1990 ; Stations of SCAR nations operating in the Antarctic, winter 1990 , CONTENTS: I. National Committee for Antarctic Research, and National Operating Organization/Agency. - II. Map of Stations. - Ill. Permanent Observatories, Regular Observations and Long-term Monitoring. - IV. Report on Highlights of Science Activities from Previous Reporting Period (1 Oct. 89 - 31 March 90). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - V. List of Permits and Rationale for Entry into SPAs and SSSIs. - VI. Prospectus of Planned Activities for Coming Reporting Period (1 April 90 - 31 March 91). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - VII. Future Activities Planned & Funded (beyond 31 March 91). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - VIII. Bibliography. - IX. List of Principal Investigators and Responsible Authorities.
    Location: AWI Archive
    Branch Library: AWI Library
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  • 2
    Series available for loan
    Series available for loan
    Berlin : Nationalkomitee für Geodäsie und Geophysik bei der Akademie der Wissenschaften der DDR
    Associated volumes
    Call number: Q 2434(15) ; MOP Per 581(1/15) ; ZSP-319/A-15
    In: Geodätische und Geophysikalische Veröffentlichungen : Reihe 1, Heft 15
    In: Antarctic research / edited by H.-J. Paech, D. Fritzsche, Vol. 1
    Type of Medium: Series available for loan
    Pages: 280 Seiten , Illustrationen
    ISSN: 0533-7577
    Series Statement: Geodätische und Geophysikalische Veröffentlichungen : Reihe 1 15
    Language: English
    Note: Contents: Volume I Earth Sciences. - Geological research of the German Democratic Republic in Antarcitca - a review / J. Hofrnann ; H.-J. Paech ; D. Fritzsche. - Structural evolution of the Ross Sea depression and the adjacent Transantarctic Mountains (Abstract) / F. Tessensohn. - Evolutionary types of sedimentary basins of the continental margin, Antarctica (Abstract) / V. V. Traube. - Age determination on detrital zircons of West Antarctica - A contribution to the reconstruction of Gondwana / W. P. Loske ; H. Miller. - Geological relations between Queen Maud Land, East Antarctica and South India / W. Stackebrandt. - The Proterozoic evolution of New Schwabenland and its correlation with the southern part of Africa (Abstract) / K. Weber ; N. Arndt ; J. Jacobs ; M. Peters. - Stratigraphy, metamorphism and nappe-tectonics in the Shackleton Range (Antarctica) / W. Buggisch ; G. Kleinschmid t; H. Kreuzer ; S. Krumm. - Comments on 'Stratigraphy, metamorphics and nappetectonics in the Shackleton Range (Antarctica)' by Buggisch, W. et al. / H.-J. Paech. - The Lambert Rift development in East Antarctica - a review (Abstract) / J. Hofmann. - Sedimentological investigations in Permian deposits of the Beaver Lake area (Prince Charles Mts., East Antarctica) - First results / M. Mann. - Contributions to the geology of the south eastern Antarctic Peninsula (Abstract) / K.-P. Stanek ; W. Weber ; K. Rank ; K. Hahne. - Geological history of western Queen Maud Land / H.-J. Paech ; A. A. Laiba ; O. G. Shulyatin. - Late Proterozoic microbiota from the Turnpike Bluff Group, Shackleton Range (Abstract) / B. Weber. - Proterozoic fossil content in the Ahlmarmryggen Group, western Queen Maud Land: first preliminary results / B. Weber ; H.-J. Paech. - Geological evolution of the Schirmacher Oasis inclusively surrounding nunataks and the Central Wohlthat Massif (Abstract) / H. Kämpf et al. - Geological setting of the nunataks area south of the Schirmacher Oasis, Central Queen Maud Land / H.-U.Wetzel ; W. Stackebrandt ; K. Hahne. - Mineralizations in Central Queen Maud Land (Abstract) / H. Kämpf et al. - The petrographic characteristics of metamorphics in Queen Maud Land / G. Andrehs ; K. Adam. - Geochemical studies of tillites and boulders in Central Queen Maud Land (Abstract) / K. Hahne et al. - Oxygen isotope geochemistry of pegmatites from a high-grade metamorphic terrain (Schirmacher Oasis, East Antarctica): Preliminary results / Yu. A. Borshchevskiy et al. - Geodetical activities in the vicinity of the Georg Forster Station - Continuation of geodetic research tradition of the GDR in Antarctica / R. Dietrich ; R. Frey ; W. Korth. - Polar lights above the GDR Antarctic station "Georg Forster" (Abstract) / A. Grafe ; C. Kopsch. - Geomagnetical survey of the Schirmacher Oasis and its surroundings / St. Wagner ; C. Kopsch. - Effective offline-processing of complex geomagnetic and ionospheric data / St. Wagner ; V. Strecke. - A new measuring system for registration of geophysical signals on "Georg Forster" based on a 16-bit-multiprocessor structure (Abstract) / R.Rochlitzer Geomagnetic measuring techniques in Antarctica, both in field and stationary operation / C.Kopsch. - Atmospheric Sciences. - Antarctic research on the atmosphere and solar-terrestrial physics / M. J. Rycroft. - The polar ozone depletion in spring as a response to lower stratospheric changes in dynamics and chemistry / H. Gernandt ; P. Gloede. - Ground based aerosol optical thickness measurements in Antarctica from 1984/85 to 1988/89 / U. Leiterer ; A. Herber. - Some problems of the Atmospheric circulation over Antarctica / V. I. Zachariev. - Some results of middle atmosphere research Antarctica, Molodoshnaya station (Abstract) / I. N. Ivanova ; G. A. Kokin ; E. V. Lysenko et al.
    Location: MOP - must be ordered
    Location: AWI Archive
    Branch Library: GFZ Library
    Branch Library: GFZ Library
    Branch Library: AWI Library
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  • 3
    Call number: ZSP-SCAR-701
    Type of Medium: Series available for loan
    Language: English
    Location: AWI Archive
    Branch Library: AWI Library
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  • 4
    Call number: ZSP-201-90/9
    In: CRREL Report, 90-9
    Description / Table of Contents: In 1986, a mobility model was developed for predicting the traction and motion resistance of both wheeled and tracked vehicles on shallow snow, and a winter field season was dedicated to gathering mobility data for a diverse family of vehicles (including four on wheels and three tracked) to validate the model. The original version of the model, SSM 1.0, used the Mohr-Coulomb shear failure equation from soil mechanics to predict gross traction. This required input of the snow strength parameters c and ȹ. Motion resistance is predicted by calculating the amount of work done by the tire in compacting snow and only requires snow depth and density values as input snow properties. Some effort was expended in determining an easy and reliable method of obtaining snow strength established from past instrumented vehicle test results. Historically, shear annulus apparati have been used to obtain Mohr-Coulomb strength parameters. A comparison of snow strength obtained via these three methods (shear annulus, instrumented vehicle, calculated from initial density using the relationship in SSM 1.0) for individual snow covers showed no agreement. SSM 1.0 assumed that snow strength parameters for mobility prediction were a function of initial snow density; however, traction is developed in the compacted snow under the driving element, whose strength properties bore little relation to those of the initial snow. It appears that the shear strength of the compacted snow is essentially a constant for all of the vehicles and snow covers tested here. Based on this finding, a new traction algorithm was developed, resulting in the creation of a second generation model, SSM 2.0. This algorithm predicts gross traction, on the average for the vehicles tested, within 7% of the measured value. Motion resistance prediction remains unchanged in SSM 2.0. This quantity is still not predicted with a desirable level of accuracy.
    Type of Medium: Series available for loan
    Pages: v, 72 Seiten , Illustrationen
    Series Statement: CRREL Report 90-9
    Language: English
    Note: CONTENTS Preface Nomenclature Introduction Background Field experiments Test location and test sites Test vehicles Test procedures Results CIV traction and motion resistance Wheels/trackcs vehicles traction and motion resistance Shear annulus device Accuracy and limitations of data Snow conditons Analysis Determination of snow strength parameters Traction analysis Traction model predictions Resistance analysis Resistance model predictions Conclusions and recommendations Literature cited Appendix A: Shallow snow mobility model, version 1.0 Appendix B: Test vehicle data Appendix C : Selected test data Appendix D : Snow data Appendix E: Shallow snow mobility model code, version 2.0 Abstract
    Location: AWI Archive
    Branch Library: AWI Library
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