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  • Books  (2,813)
  • Printed Books(GFZ-OPAC)  (2,813)
  • 1980-1984  (2,813)
  • 1945-1949  (11)
  • 1935-1939  (3)
  • 1925-1929
  • 1983  (1,429)
  • 1980  (1,456)
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  • Books  (2,813)
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  • 1
    Monograph available for loan
    Monograph available for loan
    Obninsk : VNIIGMI-MCD
    Associated volumes
    Call number: MOP Per 822/B(1980,1)
    In: Gidrometeorologija
    Type of Medium: Monograph available for loan
    Pages: 35 S.
    Series Statement: Gidrometeorologija : Meteorologija 1980,1
    Location: MOP - must be ordered
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  • 2
    Monograph available for loan
    Monograph available for loan
    Obninsk : VNIIGMI-MCD
    Associated volumes
    Call number: MOP Per 822/B(1980,9)
    In: Gidrometeorologija
    Type of Medium: Monograph available for loan
    Pages: 40 S.
    Series Statement: Gidrometeorologija : Meteorologija 1980,9
    Location: MOP - must be ordered
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  • 3
    Monograph available for loan
    Monograph available for loan
    Obninsk : VNIIGMI-MCD
    Associated volumes
    Call number: MOP Per 822/B(1983,2) ; MOP 44854 / Mitte
    In: Gidrometeorologija
    Type of Medium: Monograph available for loan
    Pages: 50 S.
    Series Statement: Gidrometeorologija : Meteorologija 1983,2
    Location: MOP - must be ordered
    Location: MOP - must be ordered
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  • 4
    Call number: PIK M 370-00-0295
    In: Applied mathematical sciences
    Type of Medium: Monograph available for loan
    Pages: 459 p.
    ISBN: 3540908196 , 0-387-90819-6
    Series Statement: Applied mathematical sciences 42
    Location: A 18 - must be ordered
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  • 5
    Monograph available for loan
    Monograph available for loan
    Geneva : WMO
    Associated volumes
    Call number: MOP Per 844(44)
    In: World Climate Programme
    Type of Medium: Monograph available for loan
    Pages: XVIII, 149 S.
    Series Statement: World Climate Programme 44
    Location: MOP - must be ordered
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  • 6
    Call number: MOP 46439(1) / Mitte
    In: Die Geschichte des Meteorologischen Hauptobservatoriums Potsdam
    Type of Medium: Monograph available for loan
    Pages: 123 S.
    Series Statement: Die Geschichte des Meteorologischen Hauptobservatoriums Potsdam 1
    Location: MOP - must be ordered
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  • 7
    Call number: S 05.0339(71,1)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxii, 477 S. : zahlr. graph. Darst.
    Location: Reading room
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  • 8
    Call number: MOP 46131 / Mitte
    Type of Medium: Monograph available for loan
    Location: MOP - must be ordered
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  • 9
    Monograph available for loan
    Monograph available for loan
    Pretoria
    Associated volumes
    Call number: MOP 46131(2)
    In: The Heilbron crop mapping project
    Type of Medium: Monograph available for loan
    Pages: VI, 18 S.
    Series Statement: The Heilbron crop mapping project Part 2
    Location: MOP - must be ordered
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  • 10
    Monograph available for loan
    Monograph available for loan
    Pretoria
    Associated volumes
    Call number: MOP 46131(3)
    In: The Heilbron crop mapping project
    Type of Medium: Monograph available for loan
    Pages: V, 26 S. S.
    Series Statement: The Heilbron crop mapping project Part 3
    Location: MOP - must be ordered
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  • 11
    Call number: MOP Per 338(57)
    In: Report
    Type of Medium: Monograph available for loan
    Pages: 38 S.
    Series Statement: Report / Department of Meteorology, University of Uppsalatet, Uppsala 57
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 12
    Call number: MOP 45000
    Type of Medium: Monograph available for loan
    Pages: 16 S.
    Location: MOP - must be ordered
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  • 13
    Call number: MOP B 17135
    Type of Medium: Monograph available for loan
    Pages: 133 S. : graph. Darst.
    Location: MOP - must be ordered
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  • 14
    Monograph available for loan
    Monograph available for loan
    Asheville, NC
    Call number: MOP 45073 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 300 S.
    Location: MOP - must be ordered
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  • 15
    Monograph available for loan
    Monograph available for loan
    München : Zoologische Staatssammlung München
    Call number: PIK N 630-15-89552
    Type of Medium: Monograph available for loan
    Pages: 441 S , Ill., Kt.
    Series Statement: Spixiana 9
    Location: A 18 - must be ordered
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  • 16
    Monograph available for loan
    Monograph available for loan
    Berlin : Springer
    Associated volumes
    Call number: PIK N 612-93-0224
    In: Inorganic plant nutrition
    Type of Medium: Monograph available for loan
    ISBN: 354012103X , 0-387-12103-X
    Series Statement: Inorganic plant nutrition 15 B
    Location: A 18 - must be ordered
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  • 17
    Call number: MOP 45250 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 32 S.
    Location: MOP - must be ordered
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  • 18
    Call number: PIK N 503-16-89762
    Type of Medium: Monograph available for loan
    Pages: 652 S. , graph. Darst. , 25 cm
    Edition: 8., überarb. Aufl.
    Language: German
    Location: A 18 - must be ordered
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  • 19
    Monograph available for loan
    Monograph available for loan
    [Edgecumbe, N.Z.] : A. Muller
    Call number: M 15.89146
    Description / Table of Contents: An account of the results of the 2 March 1987 earthquake in the eastern Bay of Plenty and the aftermath's effects on the people and places on the Rangitaiki Plains
    Type of Medium: Monograph available for loan
    Pages: 223 S., , Ill.
    Language: English
    Branch Library: GFZ Library
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  • 20
    Call number: MOP 44305,1 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 84 S.
    Location: MOP - must be ordered
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  • 21
    Monograph available for loan
    Monograph available for loan
    Rockville, MD : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Data and Information Service,
    Call number: PIK N 454-17-90910
    Type of Medium: Monograph available for loan
    Pages: x, 290 Seiten , Diagramme, Karten , 28 cm
    Language: English
    Location: A 18 - must be ordered
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  • 22
    Monograph available for loan
    Monograph available for loan
    New York : Vintage Books
    Call number: IASS 16.90435
    Type of Medium: Monograph available for loan
    Pages: XII, 270 S.
    ISBN: 0394513576 , 039473954x (pbk.) , 9780394739540 (pbk.)
    Language: English
    Branch Library: RIFS Library
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  • 23
    Call number: ZSP-SCAR-570-5
    In: National Antarctic Research Report to SCAR, No. 5
    Type of Medium: Series available for loan
    Pages: 35 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 5
    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 82-October 83. - II. Planned Activities, October 83-October 84. - References.
    Location: AWI Archive
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  • 24
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: AWI A4-19-92407
    Type of Medium: Monograph available for loan
    Pages: 127 Seiten , Illustrationen
    Language: Russian
    Note: In kyrillischer Schrift
    Location: AWI Reading room
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  • 25
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/13
    In: CRREL Report, 83-13
    Description / Table of Contents: A review on past experimental and theoretical work indicates a need for additional experimentation to characterize the response of snow to inelastic pressure waves. Pressure data from previously conducted explosion tests are analyzed to estimate the elastic limit of snow of 400 -kg/cu m density to be about 36 kPa. This pressure corresponds to a scaled distance of 1.6 m/cu.rt.kg for charges fired beneath the surface of the snow, and to a scaled distance of 1.2 m/cu.rt.kg for charges fired in the air. The effects of a snow cover on the method of clearing a minefield by using an explosive charge fired in the air above the snow surface are also discussed and recommendations are given for further work in this area. Explosive pressure data are used to estimate the maximum effective scaled radius for detonating buried mines at shallow depth to be 0.8 m/cu.rt.kg. Fuel-air explosive will increase this effective radius significantly because of the increase in the size of the source region.
    Type of Medium: Series available for loan
    Pages: 33 Seiten , Illustrationen
    Series Statement: CRREL Report 83-13
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Objectives Background Problems in describing the response of snow to an applied stress Methods of determining the dynamic behavior of materials Review of previous studies on snow Experimental measurements on snow Summary of snow experiments Theoretical studies Confirmation of the theory Discussion Applications Recommendations Summary Literature cited Appendix A. Selected data from Wisotski and Snyder (1966) Appendix B. Pressure data from Livingston (1964)
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  • 26
    Call number: ZSP-201-83/14
    In: CRREL Report, 83-14
    Description / Table of Contents: An analysis of ice fracture that incorporates dislocation mechanics and linear elastic fracture mechanics is discussed. The derived relationships predict a brittle to ductile transition in polycrystalline ice under tension with a Hall-Petch type dependence of brittle fracture strength on grain size. A uniaxial tensile testing technique, including specimen preparation and loading system design was developed and employed to verify the model. The tensile strength of ice in purely brittle fracture was found to vary with the square root of the reciprocal of grain size, supporting the relationship that the theory suggests. The inherent strength of the ice lattice and the Hall-Petch slope are evaluated and findings discussed in relation to previous results. Monitoring of acoustic emissions was incorporated in the tests, providing insights into the process of microfracture during ice deformation.
    Type of Medium: Series available for loan
    Pages: 43 Seiten , Illustrationen
    Series Statement: CRREL Report 83-14
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Development of testing technique Test specimens Tensile testing Compression testing Experimental results Tensile tests Compression tests Discussion Conclusions Suggestions for further work Literature cited Appendix A: Additional information on seed grains Appendix B: Thin-sectioning procedure Appendix C: Displacement transducer calibration
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  • 27
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/16
    In: CRREL Report, 83-16
    Description / Table of Contents: The presence of snow on the ground can impose limitations on the mobility of wheeled and tracked vehicles. Snow depth and density are the two most easily measured snow properties that can be related to mobility over snow. Existing models of snowpack accumulation and ablation processes and models of internal snowpack structure were examined to determine if a model of the snowpack can be developed for use in predicting the snow parameters that affect mobility. Simple models, such as temperature index models, do not provide sufficient snowpack details, and the more detailed models require too many measured inputs. Components of the various models were selected from a basis of a snowpack model for predicting snow properties related to mobility over snow. Methods of obtaining the input data from some components are suggested, and areas where more development is needed are described.
    Type of Medium: Series available for loan
    Pages: 34 Seiten , Illustrationen
    Series Statement: CRREL Report 83-16
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Conversion of metric units Introduction Review of existing models Accumulation models Ablation models Using existing models for studying mobility Proposed snowpack model for mobility studies Model components Implementation of the model Developing input data Conclusions Literature cited
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  • 28
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/17
    In: CRREL Report, 83-17
    Description / Table of Contents: A sea ice model was applied to the East Greenland Sea to examine a 60-day ice advance period beginning 1 October 1979. This investigation compares model results using driving geostrophic wind fields derived from three sources. Winds calculated from sea-level pressures obtained from the National Weather Service's operational analysis system resulted in strong velocities concentrated in a narrow band adjacent to the Greenland coast, with moderate velocities elsewhere. The model showed excessive ice transport and thickness build-ups in the coastal region. The extreme pressure gradient parallel to the coast resulted partially from a pressure reduction procedure that was applied to the terrain-following sigma coordinate system to obtain sea-level pressures. Additional sea-level pressure fields were obtained from an independent optimal interpolation analysis that merged FGGE buoys drifting in the Arctic basin with high latitude land stations and from manual digitization of the NWS hand-analyzed Northern Hemisphere Surface Charts. Modeling results using winds from both of these fields agreed favorably.
    Type of Medium: Series available for loan
    Pages: 19 Seiten , Illustrationen
    Series Statement: CRREL Report 83-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction Description of study Model results The problem Conclusions Literature cited
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  • 29
    Call number: ZSP-201-83/32
    In: CRREL Report, 83-32
    Description / Table of Contents: Ice forces on a bridge pier in the Ottauquechee River, in Quechee, Vermont, were measured by installing fourpanels-each capable of measuring forces in the normal and tangential direction - on both sides of a vertical V-shaped pier nose. The measured forces are presented for a short period during an ice run. After the ice run, the thickness and sizes of the ice floes were measured and the compressive strength of the ice was determined in the laboratory from the ice samples collected along the river banks. The water level measurements made at several locations along theriver are also presented for the period of the ice run.
    Type of Medium: Series available for loan
    Pages: ii, 8 Seiten , Illustrationen
    Series Statement: CRREL Report 83-32
    Language: English
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  • 30
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/33
    In: CRREL Report, 83-33
    Description / Table of Contents: A thermodynamic model has been developed that for the first time describes the entire creep process, including primary, secondary, and tertiary creep, and failure for both constant stress (CSR) tests (σ= const.) and constant strain rate (CSR) tests (ϵ = const.), in the form of a unified constitutive equation and unified failure criteria. Deformation and failure areconsidered as a single thermoactivated process in which the dominant role belongs to the change of entropy. Failure occurs when the entropy change is zero. At that moment the strain rates in CS tests reach the minima and stress in CSR tests reaches the maximum (peak) values. Families of creep (ϵ vs τ) and stress-strain (σ vs ϵ) curves, obtained from uni-axial compression CS and CSR tests of frozen soil, respectively (both presented in dimensionless coordinates), are plotted as straight lines and are superposed, confirming the unity of the deformation and failure process and the validity of the model. A method is developed for determining the parameters of the model, so that creep deformation and the stress-strain relationship of ductile materials such as soils can be predicted based upon information obtained from either type of test.
    Type of Medium: Series available for loan
    Pages: v, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 83-33
    Language: English
    Note: CONTENTS Abstract Nomenclature Introduction Principal relationships Constitutive equation Failure criteria Secondary creep: Flow equations Creep at constant stress (σ = Const.) Creep model Creep strain (σ = Const.) Creep at constant strain rate (ϵ = Const.) Stress-strain relationship Stress/strain/strain rate at failure Test data Preliminary analysis Constant stress tests (σ = Const.) Constant strain rate tests (ϵ = Const.) The principle of superposition Thermodynamic equation of creep Conclusions Literature cited
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  • 31
    Call number: MOP 40104/5 / Mitte
    In: Lehrbuch der allgemeinen Geographie
    Type of Medium: Monograph available for loan
    Pages: XXIV, 766 Seiten, 54 Seiten, XLVIII , Ill. + 1 Beil. , 1
    ISBN: 3110021242
    Series Statement: Lehrbuch der Allgemeinen Geographie 5,1
    Location: MOP - must be ordered
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  • 32
    Monograph available for loan
    Monograph available for loan
    Alma-Ata : Izdatel'stvo "Nauka" Kazachskoj SSR
    Call number: MOP 45696 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 217 Seiten , Illustrationen
    Language: Russian
    Note: In kyrillischer Schrift
    Location: MOP - must be ordered
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  • 33
    Monograph available for loan
    Monograph available for loan
    Jena : VEB Gustav Fischer Verlag
    Call number: MOP 45081 / Mitte
    Type of Medium: Monograph available for loan
    Pages: IX, 196 Seiten , Illustrationen
    Edition: 3., überarbeitete und ergänzte Auflage
    Language: German
    Location: MOP - must be ordered
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  • 34
    Call number: MOP 46084 / Mitte
    Description / Table of Contents: This document is a report of research, design, environmental, coordination, and public involvement activities of the Water and Power Resources Service SCPP (Sierra Cooperative Pilot Project). The SCPP ia an investigation of the technical feasibility and social acceptability of winter cloud seeding in the Sierra Nevada to supplement the region's future water supply. This report explains the results of the 1979-80 winter field season and reviews research undertaken by the SCPP in previous seasons.
    Type of Medium: Monograph available for loan
    Pages: vi, 72 Seiten , Illustrationen, Karten
    Language: English
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  • 35
    Call number: AWI A3-20-93434
    In: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin, Band XXXII, Heft 1
    Type of Medium: Series available for loan
    Pages: 121 Seiten , Illustrationen
    Series Statement: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 32,1
    Language: German
    Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG
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  • 36
    Call number: AWI A3-20-93434-2
    In: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin, Band XXXII, Heft 2
    Type of Medium: Series available for loan
    Pages: 218 Seiten , Illustrationen
    Series Statement: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 32,2
    Language: German
    Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG
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  • 37
    Monograph available for loan
    Monograph available for loan
    Boston, Mass. : American Meteorological Society
    Call number: MOP 45485 / Mitte
    Type of Medium: Monograph available for loan
    Pages: iv, 322 Seiten , Illustrationen, Diagramme
    ISBN: 0933876513
    Language: English
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  • 38
    Call number: MOP 46292/A / Mitte
    In: United Kingdom Antarctic research report, 1983
    Type of Medium: Series available for loan
    Series Statement: United Kingdom Antarctic research report 1983
    Language: English
    Location: MOP - must be ordered
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  • 39
    Call number: ZSP-201-80/20
    In: CRREL Report, 80-20
    Description / Table of Contents: Results of impulse radar studies of sea ice give support to the concept of a sea ice model in which the ice bottom is composed of an array of lossy parallel plate waveguides. The fundametal relation between the average bulk brine volume of sea ice and its electrical and strength properties is discussed as is the remote detection of under-ice current alignment. It was found that 1) the average effective bulk dielectric constant is dependent upon the average bulk brine volume of the sea ice; 2) sea ice anisotropy, arising from a bottom structure of crystal platelets with a preferred c-axis horizontal alignment, can be detected by radio echo sounding measurements made not only on the ice surface but also from an airborne platform; 3) the effective coefficient of reflection from the seaiIce bottom decreases with increasing average effective bulk dielectric constant of the ice, decreases with increasing bulk brine volume, and is typically one to two orders of magnitude lower dhan the coefficient of reflection from the ice surface; and 4) the losses In sea ice increase with increasing average bulk brine volume.
    Type of Medium: Series available for loan
    Pages: v, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 80-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field program Results and discussion Conclusions Literature cited Appendix: Data analysis procedures
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  • 40
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/16
    In: CRREL Report, 80-16
    Description / Table of Contents: Eight species of loricate choanoflagellates (Acanthoccidae), Acanthoecopsis spiculifera, Bicosta spinifera, Bicosta antennigera, Callicantha simplex, Calliacantha multispina aff., Crinolina aperta, Diaphanoeca multionnulata, and Parvicorbicula socialis, were observed in samples obtained from the Weddell Sea during the austral summer, 1977. D. multiannulata was described for the first time from these samples; the other organisms have either been described previously or are being described at this time. The distribution of most species within the Weddell Sea was widespread. The distributional, environmental, and morphological range of A. spiculifera, B. spinifera, C. aperta, and P. socialis was expanded. Habitats in which choanoflagellates were found included the water column, the edges of ice floes, ponds on ice floes, and the interiors of ice floes. The presence of choanoflagellates within the ice indicates that there may be a closely coupled trophic relationship with the other two biological components of the ice community, the ice algae and the bacteria. The presence in the ice of seven species with both a caudal appendage and anterior projections suggests a positive relationship between this lorica configuration and the ice habitat. Mechanisms of variance of transverse costal diameters between genera may be useful to the taxonomy and phylogeny of this family.
    Type of Medium: Series available for loan
    Pages: vi, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 80-16
    Language: English
    Note: CONTENTS Introduction Literature review Objectives Materials and methods Results Observations Distribution and environmental tolerances Discussion Morphology Distribution Habitat Summary Conclusions Recommendations for future work Literature cited Appendix A Type descriptions of Acanthoecidae collected from the Weddell Sea
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  • 41
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/17
    In: CRREL Report, 80-17
    Description / Table of Contents: Construction pads made of snow were used to build two sections of the Trans Alaska Pipeline and a small gas pipeline during the winter of 1975-76. Construction during the winter has become increasingly common in the Arctic. Surface travel and the use of heavy construction equipment on the unprotected tundra have been severely restricted, even during the winter, so the use of temporary winter roads and construction pads built of snow and ice has been advocated and is being adopted. The three snow construction pads mentioned above were the first snow roads and construction pads used on a large scale in Alaska. Snow roads and construction pads have two objectives: to protect the underlying vegetation and upper layers of the ground, and to provide a hard, smooth surface for travel and the operation of equipment. Several types have been built, and a brief discussion is given of their history and classification systems. The three snow construction pads used in construction of the Trans-Alaska Pipeline and the small gas pipeline in 1975-76 were visited and observed while in use. The Globe Creek snow pad, about 50 miles north of Fairbanks, was built primarily of manufactured snow hauled to the site and watered. With very high densities this pad withstood heavy traffic and use by heavy construction equipment except on one steep slope. There, the use of tracked vehicles and vehicles without front wheel drive disaggregated the snow on and near the surface so that vehicles without front wheel drive were unable to climb the hill. The Toolik snow pad, just north of the Brooks Range, was built of compacted snow and proved capable of supporting the heaviest traffic and construction equipment. The fuel gasline snow pad ran from the northern Brooks Range to the Arctic Coast and also proved capable of supporting the necessary traffic. Both the Toolik snow pad and the fuel gasline snow pad failed in very early May because of unseasonably warm and clear weather before the associated construction projects were completed. However, the three snow pads must be considered successful. Common problems were the lack of snow, slopes, unseasonably warm spring weather, and inexperience on the part of contractors and construction personnel.
    Type of Medium: Series available for loan
    Pages: v, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 80-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction History of snow and ice roads Classification of snow and ice roads Snow pads used by Alyeska during the winter of 1975-1976 The Globe Creek snow pad The Toolik snow pad The gasline snow pad Summary and conclusions Literature cited
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  • 42
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/13
    In: CRREL Report, 80-13
    Description / Table of Contents: Specimens prepared from various types of ice without introducing excessive defects were tested at temperatures ranging from -2° to -190°C. These tests indicated slightly higher Charpy values at lower temperatures and in more highly dispersed material concentrations. Three modes of fracture occurred during testing. Depending on the temperature and the material composition, either of the first two modes, normal fracture or multiple fracture, will appear and will show a normal frequency distribution of Charpy values in each type of ice. The third mode, fracture from both ends,which frequently occurred in the NH4F doped ice, gave Charpy values two to five times higher than the mean value for normal fracture. It can, therefore, be concluded that certain types of doping can alter the mode of fracture, through which drastic modifications of impact resistance my be possible.
    Type of Medium: Series available for loan
    Pages: iii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 80-13
    Language: English
    Note: Contents Abstract Preface lntroduction Experimental Sample preparation Testing procedure Results General features Commercial Ice Notched commercial ice Sanded commercial ice Pure ice Single crystal ice Snow-ice Colloidal alumina-dispersed ice Colloidal silica.dispersed ice NH4F doped ice HF doped ice Discussion Literature cited
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  • 43
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/31
    In: CRREL Report, 80-31
    Description / Table of Contents: Ice accretion on structures built on the earth’s surface is discussed. Sources of water are the atmosphere or water bodies near or surrounding the structure. Ice types include frost, rime, glaze, and spray; properties and conditions governing their formation are presented. Methods of estimating accretion rates and total accretion on structures are given, and extracts from U.S. and Canadian codes for ice and wind loads on structures are included. Techniques for preventing or removing ice accretion are presented.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 80-31
    Language: English
    Note: CONTENTS Abstract Preface 1. Types of ice accretion a. Frost b. Rime c. Glaze d. Spray ice 2. Conditions governing type of accreted ice a. Meteorological b. Structural 3. Accretion rates a. Fundamentals b. Effect of height c. Geographical distribution 4. Spray icing 5. Structural design factors a. Dead loads b. Wind field in the boundary layer c. Windloads 6. Techniques for minimizing structural icing 7. Data collection needs 8. Literature cited
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  • 44
    Series available for loan
    Series available for loan
    Moscow : Academy of Sciences of the USSR, Soviet Committee on Antarctic Research
    Associated volumes
    Call number: MOP 46294/A / Mitte
    In: USSR national report to SCAR, No. 25
    Type of Medium: Series available for loan
    Series Statement: USSR national report to SCAR 25
    Language: English
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  • 45
    Monograph available for loan
    Monograph available for loan
    Obninsk : VNIIGMI-MCD
    Associated volumes
    Call number: MOP Per 822/B(1983,4)
    In: Gidrometeorologija
    Type of Medium: Monograph available for loan
    Pages: 55 S.
    Series Statement: Gidrometeorologija : Meteorologija 1983,4
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  • 46
    Monograph available for loan
    Monograph available for loan
    Obninsk : VNIIGMI-MCD
    Associated volumes
    Call number: MOP Per 822/B(1983,8)
    In: Gidrometeorologija
    Type of Medium: Monograph available for loan
    Pages: 42 S.
    Series Statement: Gidrometeorologija : Meteorologija 1983,8
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  • 47
    Monograph available for loan
    Monograph available for loan
    Obninsk : VNIIGMI-MCD
    Associated volumes
    Call number: MOP Per 822/B(1983,10)
    In: Gidrometeorologija
    Type of Medium: Monograph available for loan
    Pages: 43 S.
    Series Statement: Gidrometeorologija : Meteorologija 1983,10
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  • 48
    Call number: MOP Per 802
    Type of Medium: Monograph available for loan
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  • 49
    Monograph available for loan
    Monograph available for loan
    Copenhagen : Danish Met. Inst.
    Call number: MOP Per 853
    Type of Medium: Monograph available for loan
    ISSN: 0109-3959
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  • 50
    facet.materialart.
    Unknown
    Bremerhaven : Inst. ; Nachgewiesen 2.1983 -
    Call number: ZSP-274
    Parallel Title: 1211522-8 8=1986 von ---〉oeWinter-Weddell-See-Projekt
    Parallel Title: 16=1989 von "Winter-Weddell-Gyre-Study"
    Note: Erscheinungsjahr in Vorlageform:1983- , Hauptsacht. teils dt., teils engl.
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  • 51
    Call number: MOP 45105
    Type of Medium: Monograph available for loan
    Pages: 33 S. + 2 Anl.
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  • 52
    Call number: MOP 45992
    Type of Medium: Monograph available for loan
    Pages: 15 S.
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  • 53
    Call number: S 05.0339(70)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxii, 481 S. : zahlr. graph. Darst. + 2 Kt.
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  • 54
    Call number: S 05.0339(71,2)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxii, S. 481-1187 : zahlr. graph. Darst.
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  • 55
    Call number: S 05.0339(72)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxiv, 1024 S. : zahlr. graph. Darst. + 2 Kt.
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  • 56
    Call number: S 05.0339(56,2)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: viii, S. 633-1417 : zahlr. graph. Darst.
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  • 57
    Call number: S 05.0339(76)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxvi, 947 S. : zahlr. graph. Darst. + 4 Kt.
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  • 58
    Call number: MOP 45666
    Description / Table of Contents: Mit einer IV. Etappe wurde eine mehrjährige Folge von SO2-Gemeinschaftsversuchen mit Sulfit-Mannit-Eichproben zur Beurteilung der Genauigkeit, Richtigkeit und damit Vergleichbarkeit von SO2-Immissionsmessungen auf der Basis der Pararosanilin-Methode vorläufig abgeschlossen. An dieser IV. Etappe nahmen 83 Laboratorien und Meßstellen aus der DDR, der CSSR, UdSSR, VRB und UVR teil. Nach Eliminierung der Ausreißer kann ein hohes Maß an Meßsicherheit und deren weitere Verbesserung für den analytischen Teil der Methode nachgewiesen werden. Die damit gegebene Kompatibilität bezieht sich auch auf Teilkollektive (verschiedene Einrichtungen) in der DDR. Die erreichten Parameter können auch im internationalen Vergleich (Ringversuch der EPA, USA) gut bestehen. Das Experiment gestattete methodische Fehler an einzelnen Meßstellen zu erkennen und zu beseitigen. Über diesen unmittelbaren Nutzen hinaus lieferte die Folge der Gemeinschaftsversuche reichhaltiges Datenmaterial zur Bewertung der Pararosanilinmethode (Vergleichs- und Wiederhol-Standardabweichung).
    Type of Medium: Monograph available for loan
    Pages: 61 S. : graph. Darst.
    Note: Inhalt: 1. Zielstellung. - 2. Herstellung der Standardproben, Gehaltsbestimmung und Kontrolle der Probenbeständigkeit. - 3. Probenversand, Versuchsumfang und Teilnehmer. - 4. Einzelmeßwerte und Ausreißerprüfung. - 5. Blindwerte und Nachweisgrenze. - 6. Genauigkeit und Richtigkeit. - 7. Häufigkeitsverteilungen. - 8. Vergleiche mit anderen Ringversuchen. - 9. Gesamtbeurteilung und Schlußfolgerungen. - 10. Literatur. - 11. Anhang. - Symbolverzeichnis zu den Tafeln und Bildern. - Verzeichnis der Tafeln. - Verzeichnis der Bilder. - Arbeitsanleitung für die DDR-Teilnehmer. - Arbeitsanleitung für Teilnehmer im Ausland. - Meßprotokoll-Formular. - Hinweise für Leitlaboratorien. - Tafel 1 bis 12. - Bild 1 bis 16.
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  • 59
    Call number: MOP Per 338(60)
    In: Report
    Type of Medium: Monograph available for loan
    Pages: 32 S. : graph. Darst.
    Series Statement: Report / Department of Meteorology, University of Uppsalatet, Uppsala 60
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  • 60
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Associated volumes
    Call number: MOP Per 478(98/179)
    In: Trudy
    Type of Medium: Monograph available for loan
    Pages: 131 S.
    Series Statement: Trudy sredneaziatskogo regional'nogo naučno-issl. inst. im. V. A. Bugaeva 98 = 179
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  • 61
    Call number: MOP 19538/1d-6d
    Type of Medium: Monograph available for loan
    Pages: 111 S.
    ISSN: 0486-2287
    Language: Russian
    Note: In kyrill. Schr.
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  • 62
    Monograph available for loan
    Monograph available for loan
    Wellington : New Zealand Meteor. Service
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    Call number: MOP Per 284(90)
    In: Meteorological Office note
    Type of Medium: Monograph available for loan
    Pages: 9 S.
    Series Statement: Meteorological Office note 90
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  • 63
    Call number: S 91.1183(89)
    In: Annalen
    Type of Medium: Series available for loan
    Pages: XI,97 S.
    Series Statement: Annalen / Koninklijk Museum voor Midden-Afrika : Reeks in 8°, Geologische Wetenschappen 89
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  • 64
    Monograph available for loan
    Monograph available for loan
    Vilnius : Mokslas
    Call number: MOP 45230 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 151 S.
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  • 65
    Call number: MOP 46089 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 43 S. : graph. Darst.
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  • 66
    Monograph available for loan
    Monograph available for loan
    London [u.a.] : Butterworths
    Call number: MOP 45478 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 218 S. : Ill.
    Series Statement: Studies in Physical Geography
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  • 67
    Call number: AWI A12-17-90537
    Type of Medium: Monograph available for loan
    Pages: 267 S. , Ill., graph. Darst.
    Language: Russian
    Note: Contents: Preface. - I. INSTRUMENT AND TECHNIQUES OF MEASUREMENTS OF OZONE, SOLAR ULTRAVIOLET AND CONSTITUENTS OF THE ATMOSPHERE INFLUENCING THE OZONE. MEASUREMENT RESULTS. - The set of measurements for optical observations of ozone and other constituents of the atmosphere influcencing the ozone / G. I. Kuznetzov. - Investigation of time variations of ozone / G. I. Kuznetzov. - Analytical aspects of atmospheric ozone and oxidants studies / L. N. Tchernyh, V. A. Popov, E. V. Pechennikova. - Results of the airborne measurements of total ozone and nitrogen dioxide / A. Ya. Arabov, N. F. Elansky, Yu. L. Truttse. - Rocket head design of meteorological rockets MR-12 and M-100B for measuring of optical characteristics of the upper atmosphere / N. I. Brezgin, E. A. Krohina, S. G. Linnik, A. F. Chijov, O. V. Shtirkov. - Simultaneous measurements of the vertical ozone distribution by rocket and goundbased spectrometric methods / P. F. Boychenko, N. I. Brezgin, G. I. Kuznetzov, A. F. Chijov, O. V. Shtirkov. - The apparatus and method for investigation of ozone-sensitive chemiluminescent detectors at low pressures / S. P. Perov, V. I. Konkov, V. A. Kononkov, L. A. Udonova. - On the application of the chemiluminescent method of the investigation of atmospheric ozone with the help of meteorological rocket M100-B / V. I. Konkov, S. P. Perov. - Water vapour distribution in the ozonosphere / A. V. Fedinsky, V. A. Yuskov. - Sounding rocket measurements of aerosol concentration in the atmosphere up to 90 km / T. I. Orishich. - Basic problems of automation of total ozone measurements and the results of development of automatic ozonometer / V. A. Bajenov, T. D. Jukovskaya, A. N. Otto. - Automatic calculation of the common maintance of atmospheric ozone by filter ozonometers by means of methods of analogue transformation of functions / V. A. Bajenov. - II. OZONOSPHERE CHEMISTRY. - Systems modelling of stratospheric ozone transport and photochemistry / I. L. Karol. - Numerical methods of global transport of freons in the atmosphere and assessment of their effect on ozone / I. L. Karol, V. V. Babanova, A. A. Kiselev, L. A. Romanovskaya. - The stratosphere photo-chemical model / I. G. Dyominov. - The impact of galactic cosmic rays and solar proton events upon the ozone layer / I. G. Dyominov. - Mechanism of cosmic rays effect on earth ozonosphere / P. S. Vinogradov, I. K. Larin, A. I. Poroykova, V. L. Talrose. - Qualitative estimation of some stratospheric reactions rates based on orbital symmetry conservation rules / P. S. Vinogradov, I. K. Larin, V. L. Talrose, O. A. Travina. - On starting prerequisites of mesospheric ozone photochemical theory / G. M. Martynkevich. - Studies of ozone in urban atmosphere as an indicator of photochemical processes / V. A. Popov, L. N. Tchernyh, E. V. Pechennikova. - On the use of silver thin films for measuring of atomic oxygen concentration in the upper atmosphere / S. J. Toktomishev. - On the photochemistry of ozone in the laser sounding of the stratosphere / A. P. Sukhorukov, I. M. Sizova. - Aerosols and ozone in the lower stratosphere / A. P. Bobrovsky, V. N. Ivanov, L. S. Ivlev, V. G. Sirota. - III. THE INTERELAXION OF PROCESSES IN OZONOSPHERE WITH HYDROMETEOROLOGICAL PHENOMENA. - Spatial distribution of atmospheric ozone concentration over the USSR in the upper troposphere and lower stratosphere as derived from aircraft measurements / S. V. Solonin, V. V. Osetchkin. - Variations of the total ozone content of ozone depending on the type of jet streams and their comlexes / V. G. Bakhtiyarov, L. I. Bordovskaya, B. D. Belan. - The stratospheric circulation change in spring and preceeding to it the change of total ozone field in autumn / L. A. Uranova. - Some results of the investigation of ozone vertical distribution in the atmosphere in connection with meteorological phenomena / D. V. Harchilava. - Ozone vertical profiles and the solar activity / P. F. Bojchenko, Yu. N. Rybin. - The effect of solar activity on the general circulation and thermal regime of the atmosphere / L. R. Rakipova. - Seasonal variations of total ozone in the stratospheric circumpolar vortex / V. J. Bekoryukov. - On the relation of the total amount of atmospheric ozone and the near-ground concentrations of radioactive isotopes / V. J. Lujanas, V. K. Jocius, P. K. Zinkevichus. - A certain low-governed nature of ozone, radioactive and nonradioactive aerosols and electric field intensity distribution in the lower troposphere / A. G. Amiranashvily, A. A. Aphaidze, A. Sh. Balavadze, A. G. Nodia, D. V. Harchilava. - On a certain relation between ozone content in the atmosphere and thunderstorm hail phenomena under the conditions of East Georgia / D. V. Harchilava, A. I. Kartsivadze, T. G. Gzirishvily. - On the changeobility of ozone content during the thunderstorm situation / A. I. Kartsivadze, D. V. Harchilava. - Variation of atmospheric ozone and some parameters of jet streams / N. N. Vinogradova. , In kyrill. Schr. , Zsfassungen in engl. Sprache
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  • 68
    Call number: MOP 47690 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 261 S. , Ill., graph. Darst., Kt.
    Series Statement: Reinhaltung der Luft 7
    Language: Undetermined
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  • 69
    Call number: PIK N 453-26-90149
    Description / Table of Contents: Ohne Kurzreferat
    Type of Medium: Monograph available for loan
    Pages: XVIII, 253 Seiten , graph. Darst., Kt , 1 eingeheftete Beil., 19 Tafeln im Schuber
    Edition: 1st ed
    ISBN: 0080209254 (hbk) , 008020919X (pbk)
    Series Statement: Pergamon marine series 3
    Language: English
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  • 70
    Call number: ZSP-980-80
    In: ZfI-Mitteilungen, Nr. 80
    Type of Medium: Series available for loan
    Pages: 158 Seiten , Illustrationen
    Edition: als Manuskript gedruckt
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 80
    Language: German , Russian , English
    Note: Inhaltsverzeichnis: ZUSAMMENFASSUNGEN DER VORTRÄGE. - Beiträge der Isotopengeologie zur Aufklärung des kontinentalen Wachstums / K. Wetzel. - Ein quantitatives Modell des Schwefelkreislaufes mit Berücksichtigung der Isotopenverhältnisse / G. Weise, K. Wetzel. - Die Prozesse der Stoffumwandlungen in den Anfangsstadien der Erbildung und die Isotopenzusammensetzung des endogenen Stickstoffs / W. F. Wolynez. - Problema juvenil'nosti v izotopnoj geologii / Ju. A. Borščevskij. - Zur Theorie von Isotopenaustauschgleichgewichten in komplizierten natürlichen Systemen / R. Haberlandt, G. Christoph. - Zur Berechnung und Interpretation natürlicher Isotopenvariationen in Alumosilikaten / G. Christoph. - The use of statistical mechanical perturbation theory for the calculation and interpretation of isotopic fractionation factors / M. Wolfsberg. - Relationship between anomalies in the relative abundance of 18O, 17O, 16O and anomalies in the temperature dependence of isotopic fractionation factors / M. Wolfsberg. - Metod rasčeta izotopnych effektov v prirodnych mineralach po približennoj modeli "Razdel'nych Kolebanin" / S. I. Gol'šev, N. L. Padalko. - Intramolekulare Sauerstoffisotopengeothermometrie an Hydrosilicaten / H. Schütze. - Der 18O-Index. Ein isotopengeochemisches Konzept / H. Schütze. - Matematičeskii analiz frakcionirovanija izotopov ugleroda v živoi kletke / A. A. Ivlev. - Anwendung der modifizierten Zelltheorie zur Berechnung von Zustandseigenschaften dichter isotopensubstituierter Fluide / H.-L. Vörtler, J. Heybey. - Statistisch-mechanische Behandlung der Unterschiede im Adsorptionsverhalten isotopischer Spezies / H. Heybey, H.-L. Vörtler. - Theoretische Untersuchungen zu Adsorptionsisotopieeffekten von Erdgaskomponenten unter erhöhten Drücken / J. Heybey, P. Harting. - Experimentelle Untersuchungen zu speziellen Adsorptionsisotopieeffekten unter geologischen Bedingungen / P. Harting, K. Weingart, H. Heybey. - Die Isotopenzusammensetzung (O, H, C, S, N) des Erdmantels / H. Hoefs. - Neodym- und Strontiumisotope und ihre Anwendung auf TR-Mineralisation / S. B. Brandt, W. S. Lepin, W. N. Solodjankina, T. I. Kolosnizyna. - Zur Veränderung der isotopischen Zusammensetzung des Sauerstoffs von Cherts und Carbonaten im Prozess der Diagenese/Metamorphose / O. Gebhardt, H. Schütze. - The isotopic study of Boron in the process of formation of ore deposits / V. I. Ustinov, V. A. Grinenko, S. M. Aleksandrov, T. R. Ivanova. - Temperaturnyj profil' redkometal'nogo mestoroždenija po izotopno-kislorodnym dannym / Ju. A. Borščevskij, S. N. Gavrikova, N. I. Medvedovskaja, V. Ja. Fedčuk. - Biogennye faktory forminrovanija izotopnogo sostava ugleroda organičeskogo veščestva porod facial'no-genetičeskogo tipa / A. A. Ivlev, R. G. Pankina, M. V. Dachnova. - Izotopnyj sostav ugleroda frakcij nefti i organičeskogo veščestva porod / M. G. Frik, Ė. M. Galimov. - Stable isotope ratios in natural gas components separated by gas chromatography / G. Hut. - C-Isotopenuntersuchungen zur Entwicklung des Altpaläozoikums im Thüringischen Schiefergebirge / K. Hahne, I. Maaß, H. Lützner, J. Ellenberg, F. Falk, E. Grumbt. - Isotopengeochemische, thermobarogeochemische und elementgeochemische Untersuchungen an einer hydrothermalen Fluorit-Mineralisaton aus dem Südteil der DDR / G. Strauch, H. Kämpf, R. Thomas, M. Geisler, G. Haase, G. Stiehl. - Untersuchungen zur Isotopenfraktionierung des Stickstoffs in den Systemen NH4+/NH3 und N3- /N2 / H.-M. Nitzsche, G. Stiehl. - δ15N-Profile in der Bodenzone und ihre zeitlichen Veränderungen / H. Hübner. - Izotopnyj sostav ugleroda karbonatov v mestoroždenijach samorodnoj sery / V. I. Kityk, B. I. Srebrodol'skij. - Untersuchungen zur Fraktionierung der Schwefelisotope bei der chemischen und biochemischen Oxydation von Sulfid zu Sulfat / I. Maaß, J. Heyer, K. Wetzel, G. Weise. - Selective determination of quantitative and isotopic composition of sulphur-minerals associations / V. I. Ustinov, V. A. Grinenko. - Untersuchungen zur CO2-Resorption aus thermoindifferenten Kohledioxidmineralwasserbädern durch die Haut des Menschen / G. Hübner, I. Maaß, C. Epperlein, G. Plötner, H. Jordan. - Frakcionirovanie izotopov ugleroda metanobrazujušimi bakterijami pri ich roste na različnych substratach / M. V. Ivanov, S. S. Beljaev, A. M. Ėjakun, V. A. Boidar', K. S. Laurinavičus, O. V. Šipin. - Izotopnyj sostav ugleroda metana, obrazuemogo mikroorganizmami v prirode / M. V. Ivanov, K. S. Laurinavičus, V. A. Bondar', S. S. Beljaev. - Isotopenhydrologische Untersuchungen - Arbeiten aus dem GSF-Institut für Radiohydrometrie / H. Moser. - Tritium im Niederschlag Antarktikas - Aussagen zur globalen Verteilung / D. Herbert. - Untersuchung der Beziehung der Deuteriumkonzentration zwischen atmosphärischem Wasserdampf und Niederschlägen im Gebiet der Schirmacheroase / Ostantarktis / P. Kowski. - Isotopenhydrologische und hydeochemische Charakterisierung von Seen im Gebiet der Schirmacher-Oase, Ostantarktika / W. Richter, U. Wand, G. Strauch, P. Kowski, W. Kurze. - Isotopenglaziologische Untersuchungen zur Klärung der Herkunft des Inlandeiskörpers südlich der Schirmacheroase / Ostantarktis / W.-D. Hermichen, P. Kowski. - Carbon-13 in atmospheric CO2: 1977-1981 / W. G. Mook, C. D. Keeling. - Anwendung von H2 18O auf ökologische und pflanzenphysiologische Fragestellungen / H. Förstel. - Komplexe Isotopenuntersuchungen an armenischen Mineralwässern / R. Trettin, A. Hiller, E. S. Chalatjan. - Die isotope Zusammensetzung des Kristallwassers von Carnalliten und ihrer Ausgangslösungen / H.-D. Schmiedl, K. Koch, T. Böttger, G. Stiehl, J. Pilot. - Zur hydrologischen Interpretation von Isotopendaten im Zusammenhang mit Stofftransportvorgängen / H. Jordan, D. Hebert, K. Fröhlich, R. Gellermann, R.-P. Schols. - Zwei neue Standards zur massenspektrometrischen Isotopenhäufigkeitsbestimmung von Wasserstoff, Kohlenstoff und Sauerstoff im Bereich natürlicher Häufigkeiten / M. Herrmann, H. Gerstenberger. - Methoden der chemischen Konzentrierung und Identifizierung bei der Suche nach seltenen Radionukliden in der Natur / H. Bruchertseifer. - Die Anwendung der ultraempfindlichen Massenspektrometrie zur Isotopenanalytik / H.-J. Dietze, S. Becker. - Möglichkeiten des Nachweises superschwerer Elemente mit massenspektrometrischen Methoden / S. Becker, H.-J. Dietze. - Isotope analysis on nano-mole gas samples / S. Hałas. - Neue Möglichkeiten zur Freisetzung von Messgasen für die massenspektrometrische Isotopenanalysis aus Feststoffen / G. Müller, D. Hessel, H. Zahn, K. Mühle. - Die Kontrolle der Standardmeßbedingungen bei C-14-Datierungen / J. Görsdorf. - Raspredelenie izotopa 14C v različnych uglerodsoderžaščich materialach i frakcijach paleopočv v svjazi s geologičeskimi uslovijami zachoronečnija / L. A. Orlova, V. A. Panyčev, I. V. Nikolaeva. - Some variations in the isotopic composition of uranogenic and thorogenic lead and their significance for investigations of geochronology and genesis of ore and rocks / B. G. Amov. - Neue Daten für die Beiisotopenverhältnisse in Feldspäten aus dem Kristallinkomplex, den Graniten und Erzen Südbulgariens / B. Amow, V. Arnaudow, Z. Baldjiewa, M. Pawlowa. - 40Ar/39Ar-Altersspektren eines Biotits / G. Kaiser, J. Pilot. - Kalium-Calcium-Isochronen für Sylvinite des sibirischen Tafellandes / W. S. Lepin, T. W. Jegorowa, S. B. Brandt. - Beitrag zur Klärung der Genese west- und mittelerzgebirigischer Granite anhand von SR-87/SR-86-Verhältnissen / H. Gerstenberger, G. Haase. - Zur geochronologisch-genetischen Modellierung von Granitoiden im Westerzgebirge und Vogtland / Th. Kaemmel. - Zur Abschätzung von Altersunterschieden innerhalb des Erzgebirgsplutons auf grund von Isotopenaltern / Th. Kaemmel. - Theoretische Aspekte zur radiogeochronologischen Datierung von Gesteinen und Mineralen / G. Christoph. - Die Verteilung der Strontium-90 und Cäsium-137 im Wasserkörper der Ostsee 1975-1982 / D. Weiß, E. Ettenhub
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  • 71
    Monograph available for loan
    Monograph available for loan
    Berlin : Zentralinstitut für Physik der Erde
    Call number: AWI G2-19-92036
    Type of Medium: Monograph available for loan
    Pages: 78 Seiten , Illustrationen
    Language: German
    Note: Inhaltsverzeichnis: 1. Vorwort. - 2. Struktur und Entwicklung der Antarktischen Platte. - 2.1. Generelle Kennzeichnung der Antarktischen Platte. - 2.2. Tripelpunkte. - 2.2.1. Bouvet-Tripelpunkt. - 2.2.2. Indik-Tripelpunkt. - 2.2.3. Macquarie-Tripelpunkt. - 2.2.4. Osterinsel-Tripelpunkt. - 2.3. Plattengrenzen und Plattenfelder. - 2.3.1. Bouvet-Indik-Feld. - 2.3.1.1. Ausbildung der Plattengrenze. - 2.3.1.2. Anomale Entwicklung südlich der Agulhas-Bruchzone. - 2.3.1.3. Inseln und submarine Plateaus im südlichen Indik. - 2.3.2. Indik-Macquarie-Feld. - 2.3.3. Macquarie-Osterinsel-Feld. - 2.3.3.1. Ausbildung der Plattengrenze. - 2.3.3.2. Sandwich- und Scotia-Platte. - 2.3.4.3. Beziehungen zwischen Südamerika und Antarktika und das Problem der Antarktischen Halbinsel. - 2.3.4.4. Weddellbecken. - 2.3.4.5. "Drake-Platte". - 2.3.4.6. Plattentektonische Entwicklung des Südostpazifiks. - 2.4. Überblick über den Werdegang der südhemisphärischen Ozeangebiete und den Ablauf des Gondwanazerfalls. - 3. Zur Bedeutung der Krustenentwicklung für Paläoozeanlogie und Paläoklimatologie. - 3.1. Einige Kennzeichen der ozeanologischen Situation in den antarktischen Meeresgebieten. - 3.2. Kriterien für Veränderungen der paläoozeanologischen und paläoklimatologischen Verhältnisse im Hinblick auf die paläotektonische Interpretation. - 3.3. Abriß der paläoozeanologisch-paläoklimatologischen Entwicklung im Känozoikum und mögliche Zusammenhänge mit dem tektonischen Geschehen. - 4. Zusammenfassung. - 5. Literaturverzeichnis. - 6. Abbildungsverzeichnis. -
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  • 72
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/9
    In: CRREL Report, 83-9
    Description / Table of Contents: Recent observations of shore ice pile-up and ride-up along the coast of the Alaska Beaufort Sea are presented. Information is given to show that sea ice movement on shore has overridden steep coastal bluffs and has thrust inland over 150 m, gouging into and pushing up mounds of beach sand, gravel, boulders and peat and, inland, the tundra material. The resulting ice scar morphology was found to remain for tens of years. Onshore ice movements up to 20 m are relatively common, but those over 100 m are very infrequent. Spring is a dangerous time, when sea ice melts away from the shore, allowing ice to move freely. Under this condition, driving stresses of less than 100 kPa can push thick sea ice onto the land.
    Type of Medium: Series available for loan
    Pages: v, 59 Seiten , Illustrationen
    Series Statement: CRREL Report 83-9
    Language: English
    Note: Contents Abstract Preface Introduction Winter 1979-80 observations Winter 1980-81 and summer 1981 observations Winter 1981-82 and summer 1982 observations Old ice ride-up features Discussion Literature cited Appendix A. The boulder rampart and rock littered shore west of Konganevik Pt. Appendix B. Site location maps
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  • 73
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/8
    In: CRREL Report, 83-8
    Description / Table of Contents: In the course of model tests with urea-doped ice in the CRREL Ice Engineering Facility test basin, the growth process and the physical and mechanical properties of the model ice were investigated. The parameters which were varied were: urea concentration in the tank water, air temperature during growth, growth duration, and tempering time. Uniformity of ice thickness and ice mechanical properties over the whole tank area were found to be satisfactory. The structure of the urea-doped ice was found to be similar to that of the ice except for a relatively thick incubation layer over a dendritic bottom layer. Empirical relationships were established between: ice thickness and negative degree-hours; mechanical properties and growth temperature, urea concentration, and ice thickness; and reduction in mechanical properties and tempting time. The results of the study are presented in charts which permit reliable scheduling of model tests with required ice thickness and ice flexural strength.
    Type of Medium: Series available for loan
    Pages: vii, 53 Seiten , Illustrationen
    Series Statement: CRREL Report 83-8
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Experimental facility and procedures Ice test basin Ice growth procedure Measurements Ice growth and structure Ice thickness distribution Ice growth during freeze-up Ice growth during warm-up Structure of urea-doped ice Mechanical properties of urea-doped ice Introductory remarks Model of a two-layer elastic material Properties of urea-doped ice during freeze-up Properties of urea-doped ice during warm-up Applications to test program scheduling Summary and conclusions Literature cited Appendix A: Results of ice thickness measurements for various growth conditions Appendix B: Properties of untempered ice Appendix C: Properties of tempered ice
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  • 74
    Call number: ZSP-201-83/7
    In: CRREL Report, 83-7
    Description / Table of Contents: Peak power generation with hydropower creates tailwater flow conditions characterized by high and low flows with abrupt transitions between these states. Flows occurring in tailwaters typically form sharp-fronted, large-amplitude waves of relatively short period. An understanding of the mechanics of downstream propagation of these waves is important both for direct application in studies of the tailwater and because of the similarity of these waves to those following a dam break. An analysis of the dynamic equations of open channel flow is used to quantify the relative importance of flow wave convection, diffusion and dispersion in rivers. The relative importance of each process is re­lated to the relative magnitude of terms in the dynamic equations, providing a physical basis for model formulation. A one-dimensional diffusion wave flow routing model, modified for tailwaters, simulates the important physical pro­cesses affecting the flow and is straightforward to apply. The model is based upon a numerical solution of the kine­matic wave equation. The “modified equation,” Hirt, and von Neumann analyses are used to gain insight into the stability and dissipative and dispersive behavior of the numerical solution, and results of these analyses are compared. A set of linear routings is used to demonstrate the dissipative and dispersive behavior predicted by the analyses and to verify the accuracy of an expression that quantifies the numerical diffusion of the model. The analyses provide a basis for selection of numerical parameters for model applications. The capability and accuracy of the model are enhanced when physical wave diffusion is balanced by numerical diffusion in the model. Maintaining the diffusion balance re­quires that the time derivative weighting parameter 0 be variable and in some instances negative. Though some amount of phase error is introduced, negative 0 values have no adverse effect upon model stability. Field studies were con­ducted to demonstrate the benefits of careful model development and analysis, and to verify the diffusion wave model for rapidly varying tailwater flow. The bed slope and roughness characteristics of the field study reaches (below Apalachia and Norris Dams) differ greatly, spanning those of a large number of rivers of practical interest. The accurate simulation of flow in both of these tailwaters attests to the soundness of both the physical basis of the model and the numerical solution technique. The field studies confirm, for the extreme case of rapidly varying flow in a mildly sloped river, that inertia has a negligible effect upon unsteady flow waves at low Froude numbers. Additionally, these studies verify that diffusion of short-period waves in rivers is generally significant.
    Type of Medium: Series available for loan
    Pages: vi, 41 Seiten , Illustrationen
    Series Statement: CRREL Report 83-7
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Physical diffusion and dispersion in open channel flow Modeling approach Description of the diffusion wave flow routing model Analysis of the numerical model Modified equation and Hirt analyses of diffusion wave model von Neumann analysis of the diffusion wave model Linear case studies Accuracy considerations of the numerical solution Field studies Apalachia Dam tailwater Norris Dam tailwater Conclusions Literature cited
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  • 75
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/6
    In: CRREL Report, 83-6
    Description / Table of Contents: During the austral summers of 1976-77 and 1978-79, several ice cores were taken from the McMurdo Ice Shelf brine zone to investigate its thermal, physical and chemical properties. This brine zone consists of a series of super-imposed brine layers (waves) that originate at the seaward edge of the ice shelf and migrate at various rates, depending upon their age and position in the ice shelf. The brine in these layers becomes increasingly concentrated as the waves migrate inland through the permeable ice shelf firn. Chemical analyses of brine samples from the youngest (uppermost) brine wave show that it contains sea salts in normal seawater proportions. Further inland, deeper and older brine layers, though highly saline (S 〉 200 ‰), are severely depleted in SO2-4 with the SO2-4/Na+ ratio being an order of magnitude less than that of normal seawater. Analyses of Na+, K+, Ca2+, Mg2+, SO2-4 and CI-, together with solubility and temperature considerations, show that the sulfate depletion is due to selective precipitation of mirabilite, Na2SO4*10H2O. The location of the inland boundary of brine penetration is closely related to the depth at which the brine en-counters the firn/ice transition. However, a small but measurable migration of brine is still occurring in otherwise impermeable ice; this is attributed to eutectic dissolution of the ice by concentrated brine as it moves into deeper and warmer parts of the McMurdo Ice Shelf.
    Type of Medium: Series available for loan
    Pages: iii, 16 Seiten , Illustrationen
    Series Statement: CRREL Report 83-6
    Language: English
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  • 76
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/5
    In: CRREL Report, 83-5
    Description / Table of Contents: This report presents the results of dynamic ice-structure interaction model tests conducted at the CRREL Ice Engineering Facility. A flexible, single-pile, bottom-founded offshore structure was simulated by a test pile with about a one-to-ten scale ratio. Urea (instead of sodium chloride) was used as dopant to scale down the ice properties, resulting in good model ice properties. Six ice fields were frozen and 18 tests carried out. In all cases distinctive dynamic ice structure interaction vibrations appeared, from which abundant data were collected. In tests with linear ice velocity sweep, sawtooth-shaped ice force fluctuations occurred first. With increasing velocity the natural modes of the test pile were excited, and shifts from one mode to another occurred. The maximum ice force values appeared mostly with low loading rates, but high forces appeared random'y at high ice velocities. As a general trend, ice force maximums, averages and standard deviations decreased with increasing ice velocities. The aspect ratio effect of the ice force in continuous crushing follows the same dependence as in static loadings. The frequency of observed ice forces is strongly dominated by the natural modes of the structure. Dynamically unstable natural modes tend to make the developing ice force frequencies the same as the natural frequencies. Otherwise the resulting frequency depends directly on structural stiffness and ice velocity and inversely on the ice force range. During vibrations the displacement rates of the structure overcome the velocity of ice, making low loading rates and hence high ice forces possible. During crushing, ice induces both positive and negative damping.
    Type of Medium: Series available for loan
    Pages: iv, 53 Seiten , Illustrationen
    Series Statement: CRREL Report 83-5
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test arrangements Ice properties Crushing patterns Maximum ice force vs velocity Dynamic aspect ratio effect and crushing strength Measured ice force frequencies Calculated ice force frequencies Accelerations, velocities and displacements Damping Ice-induced negative damping Limit cycles Buckling load Conclusions Literature cited
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  • 77
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/4
    In: CRREL Report, 83-4
    Description / Table of Contents: Measurements and analysis of seasonal ice growth and decay on Post Pond, New Hampshire, for the period 1973-1982 are presented. Observations included ice thickness measurements, examination of the various ice types contributing to the ice cover, and measurements of meteorological parameters for correlation with and modeling of the ice growth process. The overall nature of ice growth and decay (ice loss) on the Post Pond has been ascertained, the seasonal variability in the timing of freeze-up and ice-out and the duration of the ice cover have been determined, and the relationship of ice growth to freezing-degree-day (deg C) records evaluated on the basis of a Stefan conduction equation modified to deal with ice sheets covered with or free of snow. Ice growth occurs predominantly by the direct freezing of lake water, but snow ice may compose as much as 50% of the ice cover in winters with higher than average snowfall. Freeze-up leading to the establishment of a stable ice cover occurs during the 4-week period from the end of November to the end of December. Maximum seasonal ice thicknesses were from 45 to 67 cm and are generally attained during the first two weeks of March; ice-out, marking the final disappearance of ice from Post Pond, usually occurs by the third week of April. The overall rate of the ice loss is three to four times that of ice growth, and is dominated initially by melting from the top. As much as 50% of the ice may be lost in this way before the onset of any bottom melting. Final dissipation of the ice cover is usually expedited by candling resulting from preferential melting and disintegration of the ice at crystal boundaries.
    Type of Medium: Series available for loan
    Pages: iv, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 83-4
    Language: English
    Note: CONTENTS Abstract Preface Introduction Location of study Study methods Ice thickness Ice-cover composition Surface air temperatures Freeze-up and ice-out characteristics Results and discussion Ice-growth record Freezing-degree-day records Ice-growth predictions Summary and conclusions Literature cited Appendix A: Ice-growth records Appendix B: Measured and computed ice-growth curves
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  • 78
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/2
    In: CRREL Report, 83-2
    Description / Table of Contents: A numerical model of rime ice accretion on an arbitrary two-dimensional airfoil is presented. The physics of the model are described and results are presented that demonstrate, by comparison with other theoretical data and experimental data, that the model predictions are believable. Results are also presented that illustrate the capability of the model to handle time-dependent rime ice accretion, taking into account the feedback between the ice accretion and the airflow and droplet trajectory fields.
    Type of Medium: Series available for loan
    Pages: vi, 81 Seiten , Illustrationen
    Series Statement: CRREL Report 83-2
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Methodology Potential flow around an arbitrary airfoil Incompressible velocity field Droplet trajectory equation Computational procedure for trajectories Determining the point of impact Calculation of collision efficiencies Accreting an ice layer Determining the accuracy of the flow field Determining the accuracy of the trajectories Results and discussion Comparing results with and without the history term Collision efficiency of NACA 0015 airfoil at 8° attack angle Time-dependent accretion on NACA 0015 airfoil at 8° attack angle Time-dependent accretion on NACA 0015 airfoil at 0° attack angle Conclusions and recommendations Literature cited Appendix A : Sample input Appendix B: Sample output Appendix C : Program listing
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  • 79
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/1
    In: CRREL Report, 83-1
    Description / Table of Contents: Roof snow load case studies gathered throughout the United States over a three-year period are analyzed. The objective of the analysis is to determine a relationship between the snow load on the ground and the corresponding uniform snow load on flat and sloped roofs. The main parameters considered are the thermal characteristics of the roof, the roof slope and the exposure of the structure. Exposure has the strongest effect on the ratio of ground to roof snow loads. Comparisons are made with existing and proposed building codes and standards.
    Type of Medium: Series available for loan
    Pages: iv, 47 Seiten , Illustrationen
    Series Statement: CRREL Report 83-1
    Language: English
    Note: CONTENTS Abstract Preface Metric conversion table Introduction Data base Conversion factor Ground load effects Exposure effects Thermal effects Slope effects Expected value relationship Comparison with existing codes and standards Comparison with relationships proposed in new ANSI standard Summary and conclusions Literature cited Appendix A. Roof snow load case history reports Appendix B. Roofs in the snow load case study data base Appendix C. Ground and roof snow load data Appendix D. Conversion factors from the 1982 ANSI standard
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  • 80
    Call number: ZSP-201-83/24
    In: CRREL Report, 83-24
    Description / Table of Contents: Secondary recovery of oil at Prudhoe Bay, Alaska, will involve transporting large quantities of seawater in elevated pipelines across tundra for injection into oil-bearing rock strata. The possibility of a pipeline rupture raises questions concerning the effects of seawater on tundra vegetation and soils. To evaluate the relative sensitivities of different plant communities to seawater, eight sites representing the range of vegetation types along the pipeline route were treated with single, saturating applications of seawater during the summer of 1980. Within a month of the treatment 30 of 37 taxa of shrubs and forbs in the experimental plots developed clear symptoms of stress, while none of the 14 graminoid taxa showed apparent adverse affects. Live vascular plant cover was thus reduced by 89 and 91% in the two dry sites and by 54, 74 and 83% in the three moist sites, respectively. Live(green) bryophyte cover was markedly reduced in the moist experimental sites in 1981. Bryophytes in all but one of the wet-site experimental plots were apparently unaffected by the seawater treatment. Two species of foliose lichens treated with seawater showed marked deterioration in 1981. All other lichen taxa were apparently unaffected by the seawater treatment. The absorption and retention of salts by the soil is inversely related to the soil moisture regime. In the wet sites, conductivities approached prespill levels within about 30 days. In such sites, spills at the experimental volumes are quickly diluted and the salts flushed from the soil. In the dry sites, on the other hand, salts are retained in the soil, apparently concentrating at or near the seasonal thaw line.
    Type of Medium: Series available for loan
    Pages: 43 Seiten , Illustrationen
    Series Statement: CRREL Report 83-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods Site selection and preparation Prespill assessment Seawater application Postspill assessment Enzyme assay and analysis of soil flora Results and discussion Soil-solution conductivities Vascular plant response Cryptogam response Site factors and plant response Soil flora and extracellular soil enzymes Limitations of this study Summary and conclusions Literature cited Appendix: Plant taxa included in this study
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  • 81
    Call number: MOP 45042 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 296 Seiten , Illustrationen
    Series Statement: Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik / Tagungsbericht Nr. 180
    Language: German
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  • 82
    Monograph available for loan
    Monograph available for loan
    Asheville, NC
    Call number: MOP 45073 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 300 S.
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  • 83
    Call number: MOP 45034 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XII, 371 Seiten
    Language: Russian
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  • 84
    Call number: MOP 45321 / Mitte
    In: Antarctic research activities of the German Democratic Republic
    Type of Medium: Monograph available for loan
    Series Statement: Antarctic research activities of the German Democratic Republic : report to SCAR No 4
    Language: English
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  • 85
    Call number: MOP 45162 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 32 Seiten , Illustrationen, Karten
    Series Statement: Abteilung für theoretische Meteorologie der Universität Wien 25
    Language: German
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  • 86
    Call number: MOP 45865 / Mitte
    Type of Medium: Monograph available for loan
    Language: Russian
    Note: In kyrillischer Schrift
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  • 87
    Monograph available for loan
    Monograph available for loan
    Dresden : Ingenieurschule für Geodäsie und Kartographie
    Associated volumes
    Call number: MOP 47524 / Mitte
    In: Meteorologische Messtechnik
    Type of Medium: Monograph available for loan
    Pages: 50 Seiten
    Series Statement: Meteorologische Messtechnik
    Language: German
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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-201-80/25
    In: CRREL Report, 80-25
    Description / Table of Contents: Two new types of load cells for attachment to bridge piers and direct measurement of ice forces were developed and tested with one type being installed on a pier of the Yukon River Bridge northwest of Fairbanks, Alaska. Both types of load cells used beams supported by base plates and carried nose plates that were loaded by the ice. The loads were imposed at the beams at locations differing from the support reactions so that the loads developed moments in the beams. By instrumenting them with strain gauges, the loads could be measured. Details of the design of the load cells, the means of calculating the loads and experience obtained with load cells are discussed.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 80-25
    Language: English
    Note: CONTENTS Preface Conversion factors Introduction Estimates and field measurements of ice forces on structures General Indirect estimates Direct measurements Small-scale and laboratory studies Instrumentation plan for measuring ice loads on the Yukon River Bridge Load cell development The single reaction beam system Performance of a single reaction beam load cell The double reation beam load cell Reaction beam design Stress in the beam Deflection Axial tensile stress in the reaction beam Measurement techniques Conclusions Literature cited Appendix A. Finding load magnitude and location with a single reaction beam device Appendix B. Finding load magnitude and location on a double reaction beam device
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  • 89
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/24
    In: CRREL Report, 80-24
    Description / Table of Contents: The fluid shear stress applied to the underside of a simulated floating ice cover was measured in a laboratory flume. The measured values were compared with values of the shear stress computed from the von Karman-Prandtl velocity distribution fitted to the velocity profiles measured beneath the cover. For the lower velocity runs (approx 0.079 m/s) the measured and computed values of the shear stress were in close agreement. At the high velocity flows (approx 0.137 m/s) the measured values were roughly one-half those calculated from the velocity distribution. As the underside of the cover became increasingly rougher, the position of maximum velocity moved closer to the bottom of the channel. It was shown that the Darcy friction coefficient is exponentially related to a normalized ice cover thickness, which suggests that it is measure of the roughness of a fragmented ice cover.
    Type of Medium: Series available for loan
    Pages: iv, 11 Seiten , Illustrationen
    Series Statement: CRREL Report 80-24
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Experimental apparatus Experimental procedures Analysis of forces Experimental results Analysis of data Conclusions Literature cited
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  • 90
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/23
    In: CRREL Report, 80-23
    Description / Table of Contents: The contribution of brine layers to observed reflective anisotropy of sea ice at 100 MHz is quantitatively assessed. The sea ice is considered to be a stratified, inhomogeneous, anisotropic dielectric consisting of pure ice containing ordered arrays of conducting inclusions (brine layers). Below the transition zone, the ice is assumed to have constant azimuthal c-axis orientation within the horizontal plane, so that the orientation of brine layers is uniform. The brine layers are also assumed to become increasingly well-defined with depth, since adjacent brine inclusions tend to fuse together with increasing temperature. A theoretical explanation for observed reflective anisotropy is proposed in terms of an isotropic electric flux penetration into the brine layers. Penetration anisotropy and brine layer geometry are linked to anisotropy in the complex dielectric constant of sea ice. In order to illustrate the above effects we present a numerical method of approximating the reflected power of a plane wave pulse incident on a slab of sea ice. Mixture dielectric constants are calculated for two polarizations of the incident wave: 1) the electric field parallel to the c-axis direction, and 2) the electric field perpendicular to the c-axis direction. These dielectric constants are then used to calculate power reflection coefficients for the two polarizations. Significant bottom reflection (R ~ 0.08) occurs when the polariza-tion is parallel to the c-axis. However, when the polarization is perpendicular to the c-axis, the return may be almost completely extinguished (R 〈 0.001). This extinction is due primarily to absorptive loss associated with the conduct-ing inclusions and secondarily to an impedance match at the ice/water interface that results in transmission of the wave to the water without reflection.
    Type of Medium: Series available for loan
    Pages: vi, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 80-23
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Anisotropy and sea ice macrostructure Anisotropy and sea ice microstructure A theory of anisotropic radar return from sea ice Anisotropic electric flux penetration into brine layers Implications of normal exclusion, tangential penetration, and brine layer geometry for dielectric behavior of sea ice Modeling of electromagnetic reflection from a stratified, anisotropic, inhomogeneous lossy medium Calculation of mixture complex dielectric constants Calculation of interfacial power reflection coefficients Calculation of bulk power reflection coefficients Calculation of attenuated power reflection coefficients Beam spread Results Anisotropic bottom reflections Anisotropic complex dielectric constants Sensitivity of parameters Internal reflection: the bumps Discussion Conclusions Literature cited
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  • 91
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/18
    In: CRREL Report, 80-18
    Description / Table of Contents: The use of ice as a structural material is common practice for certain applications in cold regions. Techniques such as surface flooding or water spraying are used to accelerate ice growth rates, thereby lengthening the winter construction season. This report examines the heat and mass transfer rates from freely falling water drops in cold air. Design equations which predict the amount of supercooling of the drops as a function of outdoor ambient temperature, drop size and distance of fall are given
    Type of Medium: Series available for loan
    Pages: v, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 80-18
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Velocity problem Heat and mass transfer problem - A single drop Heat and mass transfer - A system of drops Literature cited Appendix A: FORTRAN IV program to calculate final drop temperature, air temperatureand humidity
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  • 92
    Call number: ZSP-201-80/19
    In: CRREL Report, 80-19
    Description / Table of Contents: During the period 1975-1978 the Federal Highway Administration sponsored a series of environmental engineering in­vestigations along the Yukon River to Prudhoe Bay Haul Road. In 1976 the Department of Energy joined these in­vestigations with a series of ecological projects which continue to the present. Both agencies research efforts were con­ducted on a cooperative basis with CRREL’s in-house research program. The objectives of the research focused on 1) an evaluation of the performance of the road, 2) an assessment of changes in the environment associated with the road, 3) documentation of flora and vegetation along the 577-km-long transect, 4) methodologies for revegetation and restoration, and 5) an assessment of biological parameters as indicators of environmental integrity. In support of these objectives, specific studies were undertaken that investigated the climate along the road, thaw and subsidence beneath and adjacent to the road, drainage and side slope performance, distribution and properties of road dust, vegetation distribution, vegetation disturbance and recovery, occurrence of weeds and weedy species, erosion and its control, revegetation and restoration, and construction of the fuel gas line. This report presents background, information on the region, detailed results of the road thaw subsidence and dust investigations, and summaries of revegetation, fuel gas line, vegetation distribution, soil, and weed studies.
    Type of Medium: Series available for loan
    Pages: xv, 187 Seiten , Illustrationen
    Series Statement: CRREL Report 80-19
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Chapter 1. The road and its environment Introduction General physiography Regional climate Surficial and bedrock geology Permafrost and ground ice General biota Vegetation Floristic survey Vegetation mapping Soils and mapping Chapter 2. Roadbed performance and associated investigations Roadbed investigations Roadbed performance Performance of drainage features Performance of sideslopes Conclusions from road, drainage and sideslope performance studies Fuel gas line construction Chapter 3. Distribution and properties of road dust along the northern portion of the Haul Road Introduction Methods Results of wind direction and velocity measurements Dust load and distribution Particle size analyses of dust Chemical composition properties of dust and related samples Soil cation composition Dust impacts on vegetation Discussion and conclusions Chapter 4. Revegetation and restoration investigations Introduction Revegetation approaches Alyeska erosion control and revegetation program Weeds and weedy plants Performance of revegetation Alyeska willow cutting program CRREL restoration experiments Conclusions Revegetation recommendations General report recommendations Literature cited Appendix A: General environmental guidelines applicable to subarctic and arctic road construction Appendix B: University-based studies along the Yukon River-Prudhoe Bay Haul Road Appendix C: CRREL maps of Haul Road showing locations of all study Sites Appendix D: Additional Haul Road cross-sectional profiles Appendix E: Clay mineralogy of road-related materials Appendix F: List of reports in the Joint State/Federal Fish and Wildlife Ad­visory Team series
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  • 93
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/15
    In: CRREL Report, 80-15
    Description / Table of Contents: This report discusses the time constraints on measuring the thermal resistance (R-value) of building components. Temperature changes on either side of a building component perturb measurement accuracy. Long measurement times and measurement times corresponding to a consistent diurnal cycle can be satisfactory; however, individual temperature changes cause significant error for shorter measurement periods. This report shows how to scale the thermal properties of individual constituent materials in a building element to determine its characteristic thermal time constant. The report then demonstrates the size of measurement error resulting from a variety of changes in temperature with representative walls of different time constants.
    Type of Medium: Series available for loan
    Pages: iii, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 80-15
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction Field measurement and analysis of transient heat flow A closer look at handling the constraints Random change Step change Ramp change Application of theory Literature cited Appendix A. Percentage error from a step input Appendix B. Time constraints of sample walls Appendix C. Percentage error from a ramp input Appendix D. Percentage error from a sinusoidal input Appendix E. Percentage error programs for a Hewlett-Packard HP-25 calculator Appendix F. Experimental determination of time constants Appendix G. Derivation of time constant formula for multiple layers
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  • 94
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/11
    In: CRREL Report, 80-11
    Description / Table of Contents: Four types of roof leaks occurred at a new school building in Chevak, Alaska: 1) blowing snow entered the roof through eave vents and then melted, 2) slush and ice in roof valleys caused meltwater to overflow the valley flash­ing and run into the building, 3) water entered at a roof/wall intersection and 4) in many areas water entered through gaps in the sloping plywood deck. Sealing the eave vents made it impossible for blowing snow to enter the roof at the eaves. Electric heat tapes eliminated the valley icing problem. Missing flashing was responsible for the roof/wall intersection leaks. The absence of a vapor barrier in the roof was the cause of many leaks. We recom­mended that the roof be repaired from the exterior by removing component elements down to the plywood deck,installing an adhered continuous vapor barrier and reassembling the roof. An alternative roof cladding of compos­ition shingles was discussed as was conversion to a “cold roof.” The roof was repaired and modified following our recommendations, and problems appear to have been solved.
    Type of Medium: Series available for loan
    Pages: iv, 12 Seiten , Illustrationen
    Series Statement: CRREL Report 80-11
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction Description of school Roof problems Snow infiltration leaks Valley leaks Intersection leaks Condensation leaks Tests to verify the cause of condensation leaks Eliminating the condensation leaks Recommendations for eliminating condensation leaks Repairing existing roof An alternative roof cladding The "cold roof" alternative Repairs and modifications Summary and conclusions
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  • 95
    Journal available for loan
    Journal available for loan
    Washington, D.C. : National Aeronautics and Space Administration
    Call number: MOP 47316 / Mitte
    Type of Medium: Journal available for loan
    Pages: 83 Seiten
    Language: English
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  • 96
    Call number: MOP 45384/4 / Mitte
    Type of Medium: Monograph available for loan
    Language: English
    Location: MOP - must be ordered
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  • 97
    Call number: MOP 46292 / Mitte
    In: United Kingdom Antarctic research report, 1982
    Type of Medium: Series available for loan
    Series Statement: United Kingdom Antarctic research report 1982
    Language: English
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  • 98
    Monograph available for loan
    Monograph available for loan
    Obninsk : VNIIGMI-MCD
    Associated volumes
    Call number: MOP Per 822/B(1980,4)
    In: Gidrometeorologija
    Type of Medium: Monograph available for loan
    Pages: 52 S.
    Series Statement: Gidrometeorologija : Meteorologija 1980,4
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  • 99
    Monograph available for loan
    Monograph available for loan
    Obninsk : VNIIGMI-MCD
    Associated volumes
    Call number: MOP Per 822/B(1983,1)
    In: Gidrometeorologija
    Type of Medium: Monograph available for loan
    Pages: 24 S.
    Series Statement: Gidrometeorologija : Meteorologija 1983,1
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  • 100
    Call number: MOP 40104/5 / Mitte
    In: Lehrbuch der allgemeinen Geographie
    Type of Medium: Monograph available for loan
    Pages: XXVI S., S. 767 - 1310, S. 55 - 93, S. XXVII - L , Ill. + 1 Beil. , 1
    ISBN: 3110079119
    Series Statement: Lehrbuch der Allgemeinen Geographie 5,2
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