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  • 1
    Series available for loan
    Series available for loan
    Leipzig : Acad. of Sciences of the GDR, Central Inst. for Isotope and Radiation Research
    Associated volumes
    Call number: MOP 46290 / Mitte ; ZSP-980-51 ; ZSP-980-51(2. Ex.)
    In: ZfI-Mitteilungen ; 51, Nr. 51
    Type of Medium: Series available for loan
    Pages: 140 S. , Ill., graph. Darst., Kt.
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 51
    Note: Contents: Foreword. - Isotopes in Antarctic Research / K. Fröhlich, H. Schütze. - Deuterium variations in maritime atmospheric moisture / P. Kowski, G. Strauch, H. Schütze. - On the influence of degradation processes on the isotopic composition of Antarctic precipitations / R. Der. - Extractive method for obtaining gas inclusions from ice / G. Strauch, P. Kowski. - Global monitoring of atmospheric CO2: activities planned by the GDR in Antarctica / P. Harting, U. Wand. - Deuterium and 18O variations in lakes of the Schirmacher Oasis (East Antarctica) / W. Richter, G. Strauch. - Environmental studies in Antarctica on the basis of tritium and radiocarbon measurements / D. Herbert, K. Fröhlich. - Isotope variations of hydrogen, carbon and nitrogen in florae from the Schirmacher Oasis, East Antarctica / G. Strauch, D. Haendel, I. Maaß, K. Mühle, A. Runge. - The ecology and chemistry of some Antarctic lichens / W. Richter, S. Huneck. - Another seal find in the Schirmacher Oasis (Queen Maud Land, Antarctica) / A. Hiller, W. Richter, R. Trettin. - Survey on hitherto published numbers of ZfI-Mitteilungen.
    Location: MOP - must be ordered
    Location: AWI Archive
    Location: AWI Archive
    Branch Library: GFZ Library
    Branch Library: AWI Library
    Branch Library: AWI Library
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  • 2
    Call number: SR 99.0015(371) ; ZSP-292-371
    In: Freiberger Forschungshefte, 371
    Type of Medium: Series available for loan
    Pages: 117 Seiten , Illustrationen
    Edition: 1. Auflage
    ISSN: 0071-9404
    Series Statement: Freiberger Forschungshefte : C 371 : Geowissenschaften - Geologie
    Language: German
    Note: Enthält 3 Beiträge , Inhaltsverzeichnis: Annotation Tektonische Untersuchungen in den Herbert Mountains (Shackleton Range, Antarktika) / Joachim Hofmann Beitrag zur Geologie des Pensacola-Gebirges (Antarktika) / Wolfgang Weber Tektonische Untersuchungen in der Patuxent-Formation der Schmidt Hills (Pensacola Mts. (Antarktika)) / Joachim Hofmann und V. V. Samsonov
    Location: Lower compact magazine
    Location: AWI Archive
    Branch Library: GFZ Library
    Branch Library: AWI Library
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  • 3
    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: MOP Per 581 ; MOP Per 581(1/11) ; ZSP-319/A-11
    In: Geodätische und geophysikalische Veröffentlichungen : Reihe 1, Heft 11
    Type of Medium: Series available for loan
    Pages: 63 Seiten , Illustrationen
    ISSN: 0533-7577
    Series Statement: Geodätische und geophysikalische Veröffentlichungen : Reihe 1 11
    Language: German
    Note: Inhalt: I. Untersuchungen zur Avifauna von King George / R. Bannasch und U. Lundberg. - II. Robbenbeobachtungen im Gebiet von King George / R. Bannasch. - III. Beobachtungen der marinen Fauna im Litoral und Benthal von King George (Südshetlandinseln, Antarktis) / M. Rauschert. - IV. Untersuchungen zum Helminthenbefall und zur Nahrung verschiedener Tiergruppen / K. Feiler. - , Zusammenfassung in englischer, deutsche und russischer Sprache , Teilweise in kyrillischer Schrift
    Location: MOP - must be ordered
    Location: MOP - must be ordered
    Location: AWI Archive
    Branch Library: GFZ Library
    Branch Library: GFZ Library
    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-201-84/4
    In: CRREL Report, 84-4
    Description / Table of Contents: Ice problems developed in the Sault Ste. Marie, Michigan, portion of the St. Marys River because of winter navigation. Passing ships and natural influences moved ice from Soo Harbor into Little Rapids Cut in sufficient quantities to jam, cause high water in the harbor, and prevent further ship passage. After physical model and engineering studies, two ice booms with a total span of 1375 ft (419 m) with a 250-ft (76-m) navigation opening between were installed at the head of Little Rapids Cut in 1975. A modest field study program on the booms was conducted for the ensuring four winters to determine ice and boom interaction and the effects of ship passages on the system. Forces on some anchors were recorded and supplemental data were taken by local personnel. Several reports have been written about the booms' early operations. This paper presents four-year summary of the main effects of the booms on ice and ship interaction and vice versa. Throughout the four winter seasons, the small quantities of ice lost over and between the booms were manageable. Ships usually passed through the boom without influencing the boom force levels, but at time they brought about large changes. One boom needed strengthening, and artificial islands were added for upstream ice stability. Coast Guard icebreakers were also a necessary part of winter navigation in this area.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 84-4
    Language: English
    Note: CONTENTS Abstract Preface Introduction St. Marys River Ice problems Remedial measures Field studies Highlights, trends, and major findings Modifications to boom Maximum forces Ship traffic Characteristics Effect of boom forces Effect on ice Conclusion Literature cited Appendix A: Ice boom forces
    Location: AWI Archive
    Branch Library: AWI Library
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  • 5
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/7
    In: CRREL Report, 84-7
    Description / Table of Contents: Experiments were conducted in CRREL's refrigerated flume facility to examine the two-dimensional force distribution of a floating, fragmented ice cover restrained by a boom in a simulated river channel. To determine the force distribution, a vertically walled channel, instrumented for measuring normal and tangential forces, and an instrumented restraining boom were installed in a 40.0- by 1.3-m flume. Two sizes of polyethylene blocks and two similar sizes of fresh-water ice blocks were tested using water velocities ranging from 10 to 30 cm/s. The forces measured at the instrumented boom leveled off with increasing cover length. The contribution of the increasing shear forces developed along theshorelines to this leveling off in the data was clearly evident. The shear coefficients of the polyethylene blocks averaged 0.43, and the freshwater ice averaged 0.044. The normal force measured along the instrumented shoreline could not be related simply by a K coefficient to the longitudinal force; another expression was required, with a term being a function of the cover thickness and independent of the undercover shear stress or cover length. By adding this term, good agreement was then found between the measured and predicted values of the boom forces and the shoreline normal and shear forces
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 84-7
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experiments Test flume facility Experimental apparatus Experimental procedure Results Plastic versus freshwater ice Shoreline forces Boom forces Average shear stress under ice cover Internal forces Discussion Data scatter Summary and conclusions Literature cited Appendix A: Experimental results
    Location: AWI Archive
    Branch Library: AWI Library
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  • 6
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/33
    In: CRREL Report, 84-33
    Description / Table of Contents: A small-scale experimental study was conducted to characterize the magnitude and nature of ice forces during continuous crushing of ice against a rigid, vertical, cylindrical structure. The diameter of the structure was varied from 50 to 500 mm, the relative velocity from 10 to 210 mm/s, and the ice thickness from 50 to 80 mm. The ice tended to fail repetitively, with the frequency of failure termed the characteristic frequency. The characteristic frequency varied linearly with velocity and to a small extent with structure diameter. The size of the damage zone was 10 to 50% of the ice thickness, with an average value of 30%. The maximum and mean normalized ice forces were strongly dependent on the aspect ratio (structure diameter/ice thickness). The forces increased significantly with decreasing aspect ratio, but were constant for large aspect ratios. The maximum normalized forces appeared to be independent of strain rate. The effect of velocity on the normalized ice forces depended on structure diameter. The mean effective pressure or specific energy of ice crushing depended on both aspect ratio and ice-structure relative velocity. The energy required to crush the ice for the one failure cycle was obtained from the ice force records for each test, and was compared to the energy calculated from an idealized sawtooth shape for the force record, the maximum force, velocity and characteristic frequency data. Originator - supplied keywords included: Cold regions, Cold regions construction, Cylindrical test structures, Ice, Ice crushing, Ice forces, and Test facilities.
    Type of Medium: Series available for loan
    Pages: vi, 47 Seiten , Illustrationen
    Series Statement: CRREL Report 84-33
    Language: English
    Note: Contents Abstract Preface Nomenclature Introduction Test objectives Experimental setup and procedures Facilities Test fixture Data acquisiton system Ice sheets Measurement of ice properties Daily test summary Experimental results and discussion Observations Ice force records Frequency of ice force variations Discussion Maximum crushing forces Mean effective pressure or specific energy of ice in crushing Failure energy of ice Ratio of maximum force to mean force Summary and conclusions Literature cited Appendix A: Data for continuous crushing tests
    Location: AWI Archive
    Branch Library: AWI Library
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  • 7
    Call number: ZSP-SCAR-570-6
    In: Antarctic Research Report to SCAR, No. 6
    Type of Medium: Series available for loan
    Pages: 38 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 6
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 83-October 84. - II. Planned Activities, October 84-October 85. - References.
    Location: AWI Archive
    Branch Library: AWI Library
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  • 8
    Call number: ZSP-SCAR-570-3
    In: National Antarctic Research Report to SCAR, No. 3
    Type of Medium: Series available for loan
    Pages: 16 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 3
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 80-October 81. - II. Planned Activities, October 81-October 82. - References.
    Location: AWI Archive
    Branch Library: AWI Library
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  • 9
    Call number: ZSP-SCAR-570-4
    In: National Antarctic Research Report to SCAR, No. 4
    Type of Medium: Series available for loan
    Pages: 24 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 4
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 81-October 82. - II. Planned Activities, October 82-October 83. - References.
    Location: AWI Archive
    Branch Library: AWI Library
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  • 10
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-95/14
    In: CRREL Report, 95-14
    Description / Table of Contents: Current protocols for decontaminating devices used to sample groundwater for organic contaminants are re­viewed. Most of the methods given by regulatory agencies provide little scientific evidence that justify the recommended protocols. In addition, only a few studies that actually compared various decontamination proto­cols could be found in the open literature, and those studies were limited in their scope. Various approaches for decontamination and criteria that are important in determining how effectively a surface could be decontami­nated are discussed.
    Type of Medium: Series available for loan
    Pages: iii, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 95-14
    Language: English
    Note: CONTENTS Preface Introduction Sorption and desorption of organic contaminants Decontamination methods Aqueous cleaning methods Cleaning or rinsing with organic solvents Chemical neutralization methods Current protocols to decontaminate groundwater sampling devices Variations in methodology Special instructions for cleaning pumps Effectiveness of various decontamination methods Low-temperature considerations Conclusions Literature cited
    Location: AWI Archive
    Branch Library: AWI Library
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