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  • 2005-2009  (12)
  • 2000-2004  (18)
  • 1980-1984  (207,244)
  • 1975-1979  (166,490)
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  • 1983  (207,233)
  • 1976  (166,476)
Collection
Years
Year
  • 1
    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
    Branch Library: GFZ Library
    Branch Library: GFZ Library
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  • 2
    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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  • 3
    Call number: MOP 44874 / Mitte
    In: GSF-Bericht
    Type of Medium: Monograph available for loan
    Pages: 27 S. : graph. Darst.
    Series Statement: GSF-Bericht S 413
    Location: MOP - must be ordered
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  • 4
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: MOP 44641
    Type of Medium: Monograph available for loan
    Pages: 356 S.
    Location: MOP - 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
    Branch Library: GFZ Library
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  • 6
    Call number: MOP Per 802(23)
    In: GARP special reports
    Type of Medium: Monograph available for loan
    Series Statement: GARP special reports 23
    Location: MOP - must be ordered
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  • 7
    Call number: MOP Per 434/A(29)
    In: Okeanologičeskie Issledovanija
    Type of Medium: Monograph available for loan
    Pages: 385 S. , graph. Darst
    Series Statement: Okeanologičeskie Issledovanija 29
    Location: MOP - must be ordered
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  • 8
    Call number: MOP 44148
    Type of Medium: Monograph available for loan
    Pages: 134 S.
    Location: MOP - must be ordered
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  • 9
    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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  • 10
    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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  • 11
    Call number: MOP 46131 / Mitte
    Type of Medium: Monograph available for loan
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 12
    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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  • 13
    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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  • 14
    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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  • 15
    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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  • 16
    Call number: MOP Per 747
    Type of Medium: Monograph available for loan
    Pages: 62 S.
    Series Statement: Arbeiten aus der Zentralanstalt für Meteorologie und Geodynamik 18
    Location: MOP - must be ordered
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  • 17
    Monograph available for loan
    Monograph available for loan
    Addis Ababa : Addis Ababa University
    Call number: M 15.89147
    Type of Medium: Monograph available for loan
    Pages: 46 S. , graph. Darst.
    Series Statement: Bulletin of the Geophysical Observatory ; no. 17
    Language: English
    Branch Library: GFZ Library
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  • 18
    Monograph available for loan
    Monograph available for loan
    Boulder, Colo. : National Geophysical and Solar-Terrestrial Data Center
    Call number: M 15.89151
    Type of Medium: Monograph available for loan
    Pages: IV, 42 S. , Ill.
    Series Statement: Key to geophysical records documentation 3
    Language: English
    Note: In Maschinenschr. vervielf.
    Location: Reading room
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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
    Moskva : Nauka
    Call number: AWI S4-17-91153
    Type of Medium: Monograph available for loan
    Pages: 191 S. , Tab.
    Series Statement: Bibliotečka programmista
    Language: Russian
    Note: In kyrill. Schr., russ.
    Location: AWI Reading room
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  • 22
    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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  • 23
    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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  • 24
    Series available for loan
    Series available for loan
    Stuttgart : Schweizerbart
    Associated volumes
    Call number: SR 90.0066(33)
    In: Geologisches Jahrbuch . Reihe A, Allgemeine und regionale Geologie Bundesrepublik Deutschland und Nachbargebiete, Tektonik, Stratigraphie, Paläontologie, 33
    Type of Medium: Series available for loan
    Pages: 159 S. , Ill., graph. Darst., Kt. , 2 Beil.
    Series Statement: Geologisches Jahrbuch / A Heft 33
    Language: German , English , French , Russian
    Note: Mit engl., franz. und russ. Zsfassungen
    Location: Lower compact magazine
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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
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: MOP 40818 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 286 Seiten
    Language: Russian
    Location: MOP - must be ordered
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  • 32
    Call number: ZSP-201-76/35
    In: CRREL Report, 76-35
    Description / Table of Contents: Crystalline textures and fabrics of ice cores from the 2164-m-thick ice sheet at Byrd Station, Antarctica, reveal the existence of an anisotropic ice sheet. A gradual but persistent increase in the c-axis preferred orientation of the ice crystals was observed between the surface and 1200m. This progressive growth of an oriented crystal fabric is accompanied by a 20-fold increase in crystal sized between 56 and 600m, followed by virtually no change in crystal size between 6000 and 1200m. A broad vertical clustering of c-axes develops by 1200m. Between 1200 and 1300 m the structure transforms into a fine-grained mosaic of crystals with their basal glide planes now oriented substantially within the horizontal. This highly oriented fine-grained structure, which persists to 1800m, is compatible only with a strong horizontal shear deformation in this part of the ice sheet. Rapid transformation from single- to multiple-maximum fabrics occurs below 1800m. This transformation, accompanied by the growth of very large crystals, is attributed to the overriding effect of relatively high temperatures in the bottom layers of old ice at Byrd Station rather than to a significant decrease in stress. The zone of single-maximum fabrics between 1200 and 1800 m also contains numerous layers of volcanic dust. Fabrics of the very fine-grained ice associated with these dust bands indicate the bands are actively associated with shearing in the ice sheet. Some slipping of ice along the bedrock seems likely at Byrd Station, since the basal ice is at the pressure melting point and liquid water is known to exist at the ice/rock interface.
    Type of Medium: Series available for loan
    Pages: v, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 76-35
    Language: English
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  • 33
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Springer
    Call number: PIK N 141-19-93082
    Type of Medium: Monograph available for loan
    Pages: XIV, 408 Seiten , Illustrationen, Diagramme
    ISBN: 3540078142 , 0387078142
    Series Statement: Die Physik des Naturwissenschaftlers
    Language: German
    Location: A 18 - must be ordered
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  • 34
    Call number: ZSP-201-76/24
    In: CRREL Report, 76-24
    Description / Table of Contents: Chemical analysis of surface snows and deeper ice core samples from Milcent, Greenland, indicates a marine origin for Na and Cl and a terrestrial origin for Al, Mn and V. Pre-1900 enrichment factors, based on average crustal composition, are high for Zn and Hg and appear to be related to their volatility. A comparison of pre-1900 and 1971-1973 concentrations of V and Hg shows no decided increase from industrial production; however, the abundance of Zn (relative to Al) increased three-fold during this time period. The chemical composition of ancient ice is extremely useful in interpreting modern aerosols.
    Type of Medium: Series available for loan
    Pages: ii, 6 Seiten , Illustrationen
    Series Statement: CRREL Report 76-24
    Language: English
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  • 35
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/26
    In: CRREL Report, 76-26
    Description / Table of Contents: Debris over a 44-mile stretch of the Chena River was studied. The study area extended from the first bridge on the Chena Hot Springs Road to the Chena River Flood Control damsite. The purpose of the study was to assess the potential danger to the Chena River Flood Control Dam outlet structure. Debris was catalogued, log jams were measured, and sources of debris were studied. The average size of logs was determined, as well as the number of logs present on the river. The authors concluded that a serious debris problem existed and would remain serious for the foreseeable future. Recommendations for debris handling were made.
    Type of Medium: Series available for loan
    Pages: iv, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 76-26
    Language: English
    Note: Contents Abstract Preface Summary Introduction Origin of debris Volume, magnitude Types of debris Hazards of the debris Recommended measures to counteract log jamming Conclusions and recommendations Future work Epilogue Selected bibliography Appendix: Additional photographs of Chena River debris
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  • 36
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/27
    In: CRREL Report, 76-27
    Description / Table of Contents: In Part I a physically based model was used to predict daily snowmelt on 2000 m sq plots in the Subarctic. The plots had a range of aspects and inclinations in boreal forest and on the tundra. The energy balance, computed for each of the plots, was compensated for differences in radiative and turbulent energy fluxes caused by varied slope geometry and vegetative cover. The turbulent energy fluxes were also corrected for the effects of the stable stratification of the air over the snow surface. The predictions of the model were compared with daily melts derived from runoff measured on the snowmelt plots. The results show that the method is a good predictor of daily amounts of snowmelt, although some uncertainties are introduced by changes in the snow surface during the melt period. In Part II, a physically based model of the movement of water through snowpacks was used to calculate hydrographs generated by diurnal waves of snowmelt on the tundra and in the boreal forest of subarctic Labrador. The model was tested against measured hydrographs from hillside plots that sampled a range of aspect, gradient, length, vegetative cover, and snow depth and density. The model yielded good results, particularly in the prediction of peak runoff rates, though there was a slight overestimate of the lag time. A comparison of predictions against field measurements indicated that, given the ranges over which each of the controls is likely to vary, the two most critical factors controlling the hydrograph are the snow depth and the melt rate, which must be predicted precisely for short intervals of time. Permeability of the snowpack is another important control, but it can be estimated closely from published values.
    Type of Medium: Series available for loan
    Pages: ix, 40 Seiten , Illustrationen
    Series Statement: CRREL Report 76-27
    Language: English
    Note: Contents: Abstract Preface Summary Notation Scope of the study Part I. Energy balance computations Introduction The experimental sites Instrumentation Theoretical Radiation heat flow Hr Sensible heat flux Hc and latent heat flux He The application of the heat flow model Results and discussion Conclusions and recommendations Part II. Comparison of water runoff computations and measurements Introduction The runoff model The unsaturated zone The saturated layer The field study Instrumentation of the plots Descriptive hydrology Application of the runoff model The unsaturated zone The saturated zone Discussion and conclusions Comparison of predicted and observed hydrographs Factors affecting results Literature cited
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  • 37
    Call number: MOP 40348/2 / Mitte
    In: Spravočnik po klimatu SSSR, Tom 2
    Type of Medium: Monograph available for loan
    Series Statement: Spravočnik po klimatu SSSR : Ustojčivostʹ i točnostʹ klimatičeskich charakteristik / Pod. red. O. A. Drozdova i I. D. Kopaneva 2
    Language: Russian
    Note: In kyrillischer Schrift
    Location: MOP - must be ordered
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  • 38
    Monograph available for loan
    Monograph available for loan
    Zürich : Schweizerische Meteorologische Zentralanstalt
    Call number: MOP 40304 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 48 Seiten , Illustrationen
    Edition: aus dem Tagungsbericht "Grundlagen der Solartechnik 1" der Deutschen Gesellschaft für Sonnenenergie, 22. Oktober 1976, Stuttgart-Fellbach
    Language: German
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  • 39
    Monograph available for loan
    Monograph available for loan
    Moskva : Izdatel'stvo "Nauka"
    Call number: MOP 40046 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 113 Seiten , Illustrationen
    Language: Russian
    Note: In kyrillischer Schrift
    Location: MOP - must be ordered
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  • 40
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/32
    In: CRREL Report, 76-31
    Description / Table of Contents: Four large grounded multi-year shear ridge formations were found in the grounded ice subzone of the fast ice zone near the Harrison Bay/Prudhoe Bay area of Alaska. A 166-m-long cross section of one of these formations was obtained by leveling and sonar measurements. These measurements revealed that the maximum ridge height was 12.6 m and that the formation was grounded in 17-18 m of water. The salinity, temperature, brine volume and density of the ice were determined on samples obtained by coring. The physical characteristics of the formations as observed in satellite, SLAR and aerial imagery indicate that these formations have not moved between the time of their formation in the fall of 1974 and August of 1976. Evidence of significant aeolian debris discoloring the ice is discussed.
    Type of Medium: Series available for loan
    Pages: iv, 27 Seiten , Illustrationen
    Series Statement: CRREL Report 76-32
    Language: English
    Note: Contents Abstract Preface Introduction Background Fast ice study area Results and discussion Literature cited
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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-201-76/34
    In: CRREL Report, 76-34
    Description / Table of Contents: Some physical characteristics of two grounded floebergs (fragments of multi-year pressure ridges) near Prudhoe Bay, Alaska, are described. Cross-sectional profiles of the sails and keels of both floebergs were obtained. A sail to keel ratio of 1 to 3.38 obtained with one floeberg was found to be in good agreement with previous investigations. A survey of the sea floor for evidence of scoring induced during grounding yielded a maximum depth of gouging of 1.1m. Additional studies included investigations of the internal structure of the floebergs, and a brief examination of the organic and sedimentary debris found entrained within the floebergs. The grounding of ice on the continental shelves of the Arctic is of considerable interest to those concerned with the development and impact of development of these continental shelves. The field study reported here provides information useful in assessing the nature and characteristics of interactions between floebergs and the sea bed on which they are grounded.
    Type of Medium: Series available for loan
    Pages: iii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 76-34
    Language: English
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  • 42
    Call number: ZSP-201-76/37
    In: CRREL Report, 76-37
    Description / Table of Contents: Geophysical studies were conducted during September and October of 1975 in northern Maine to locate rock types suitable for construction purposes for the proposed Dickey-Lincoln School Dam Project. Simultaneous airborne magnetometer and VLF electrical resistivity surveys were performed over an area of approximately 920 km2 surrounding the confluence of the St. John and Allagash rivers. The resulting data were used to construct contour maps of apparent resistivity and of total magnetic intensity above the earth's background magnetic field. During the same time period, ground and multi-elevation surveys were performed over a special test sector of known geology. The ground and airborne study in the test sector aided in interpretation of the data by revealing a strong correlation between igneous geology, resistivity, and magnetic intensity. Lack of a similar correlation between resistivity and magnetic data in the remainder of the survey area suggested an absence of additional areas of igneous rocks. The multi-elevation survey of the test area indicated that changes in flight altitude, necessitated by the topographic relief encountered, would not seriously affect the regional resistivity patterns. Although there was no strong evidence of igneous rocks outside the test sector, suitable rock types may exist within the Dss geologic unit (cyclically bedded gray slate and sandstone) in the central part of the main survey area, where most of the high resistivity contours occur.
    Type of Medium: Series available for loan
    Pages: v, 24 Seiten , Illustrationen
    Series Statement: CRREL Report 76-37
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Measurement techniques employed Ground Airborne Magnetometer survey Results Ground control study VLF survey Bedrock geology and resistivity Aeromagnetic survey results Conclusions Literature cited Appendix A. Theory of electromagnetic resistivity surveying Appendix B. Magnetic surveying
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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-201-76/38
    In: CRREL Report, 76-38
    Description / Table of Contents: Current methods for evaluation of the moisture absorption of plastic insulations (ASTM-C-272-53 and ASTM-C-355-64) due to vapor pressure gradients or immersion rely on short time periods to predict long term performance. This procedure may not provide accurate information on performance since in practice insulations may absorb more moisture than these tests indicate. A series of tests were conducted on extruded polystyrene roof insulation that had been in place, exposed to environmental moisture and pressure gradients, for a maximum of 36 months. Results indicate that moisture absorption of 1.5% by volume can be expected in the field.
    Type of Medium: Series available for loan
    Pages: iv, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 76-38
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) units of measurement Introduction Principal features of a protected membrane roof system Reported advantages of a protected membrane roof system Study sites Stevens Hall, University of Alaska, Fairbanks Building 41 5, University of Alaska, Fairbanks Building 1053, Ft. Wainwright, Alaska Gruening Building, University of Alaska, Fairbanks Consortium Library and K Building, University of Alaska, Anchorage CRREL Laboratory, Hanover, New Hampshire Resources Building, University of Alaska, Fairbanks Insulation properties Sampling Results Bulksamples Sliced samples Conclusions and recommendations Literature cited Appendix A. Moisture contents Appendix B. Photographs
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  • 44
    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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  • 45
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: MOP 45690 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 263 Seiten , Illustrationen
    Language: Russian
    Note: In kyrillischer Schrift
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  • 46
    Monograph available for loan
    Monograph available for loan
    Garmisch-Partenkirchen : Physikalisch-Bioklimatische Forschungsstelle der Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung
    Call number: MOP 40082 / Mitte
    Type of Medium: Monograph available for loan
    Pages: ca. 100 Seiten
    Series Statement: AEC Document Number NYO - 3425 - 12
    Language: English
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  • 47
    Call number: MOP 45823 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 431 Seiten , Illustrationen
    Edition: Izdanie vtoroe, pererabotannoe i dopolnennoe
    Language: Russian
    Note: In kyrillischer Schrift
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  • 48
    Call number: MOP 44287 / Mitte
    Type of Medium: Series available for loan
    Pages: 394 Seiten , Illustrationen
    Series Statement: Schriftenreihe der Sektion Architektur / Technische Universität Dresden Heft 7
    Language: German
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  • 49
    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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  • 50
    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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  • 51
    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
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  • 52
    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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  • 53
    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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  • 54
    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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  • 55
    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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  • 56
    Call number: MOP 40153 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 80 S.
    Location: MOP - must be ordered
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  • 57
    Call number: MOP Per 802
    Type of Medium: Monograph available for loan
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  • 58
    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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  • 59
    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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  • 60
    Monograph available for loan
    Monograph available for loan
    Helsinki : Finnish Met. Inst.
    Associated volumes
    Call number: MOP Per 205/A(75)
    In: Suomen meteorologinen vuosikirja
    Type of Medium: Monograph available for loan
    Pages: 41 S.
    Edition: Suppl.
    Series Statement: Suomen meteorologinen vuosikirja : Osa 1. A, Ilmastohavainnot = Climatological data 75,1a
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  • 61
    Call number: MOP 45992
    Type of Medium: Monograph available for loan
    Pages: 15 S.
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  • 62
    Monograph available for loan
    Monograph available for loan
    München [u.a.] : Hanser
    Call number: MOP B 17003 ZWD-DV ; MOP B 16798 ZWD-PM
    Type of Medium: Monograph available for loan
    Pages: XVI, 1127 S. : mit 401 Abb., 64 Aufgabengruppen und 14 Anh. , Ill., graph. Darst.
    Edition: 6. Aufl., Neufassung des Werkes "Das Programmier-Handbuch der IBM/360" / vom Verf. bearb. und stark erw.
    Uniform Title: Programming the IBM 360
    Language: German
    Note: Aus dem Engl. übers.
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    Location: MOP - must be ordered
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  • 63
    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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  • 64
    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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  • 65
    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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  • 66
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Springer
    Associated volumes
    Call number: MOP 43379(49,5)
    In: Handbuch der Physik
    Type of Medium: Monograph available for loan
    Pages: vii, 407 S. : Ill., graph. Darst.
    ISBN: 3540075127
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  • 67
    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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  • 68
    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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  • 69
    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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  • 70
    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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  • 71
    Call number: MOP 44163
    In: GARP publications series
    Type of Medium: Monograph available for loan
    Series Statement: GARP publications series
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  • 72
    Monograph available for loan
    Monograph available for loan
    Berlin : Staatsverl. der Dt. Demokratischen Republik
    Call number: MOP 40083 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 335 S. , graph. Darst.
    Edition: 1. Aufl.
    Language: German
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  • 73
    Monograph available for loan
    Monograph available for loan
    Leipzig : Verl.Enzyklopädie
    Call number: MOP 43712
    Type of Medium: Monograph available for loan
    Pages: 194 S.
    Edition: 7.Aufl.
    Language: German
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  • 74
    Monograph available for loan
    Monograph available for loan
    Cambridge, Mass : MIT Press
    Call number: IASS 16.90011
    Type of Medium: Monograph available for loan
    Edition: Online-Ausg.
    ISBN: 0585374848 (electronic bk.) , 9780585374840 (electronic bk.) , 0262530457 (print)
    Parallel Title: Print version Macroeconomics after Keynes
    Language: English
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  • 75
    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
    Location: Lower compact magazine
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  • 76
    Call number: S 91.1183(77)
    In: Annalen
    Type of Medium: Series available for loan
    Pages: 123 S. , Ill., graph. Darst.
    Series Statement: Annalen / Koninklijk Museum voor Midden-Afrika : Reeks in 8°, Geologische wetenschappen 77
    Location: Lower compact magazine
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  • 77
    Call number: MOP 46089 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 43 S. : graph. Darst.
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  • 78
    Monograph available for loan
    Monograph available for loan
    Leipzig : Zentralantiquariat der Dt. Demokrat. Republik
    Call number: MOP 44537 / Mitte
    Type of Medium: Monograph available for loan
    Pages: VI, 216 S.
    Edition: Fotomechan. Neudr. der Orig.-Ausg. 1864
    Language: German
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  • 79
    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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  • 80
    Monograph available for loan
    Monograph available for loan
    Budapestini : Inst. geologicum Hungaricum
    Call number: M 17.90443
    Type of Medium: Monograph available for loan
    Pages: 228 S. , Ill.
    Series Statement: Geologica Hungarica 16
    Language: Undetermined
    Location: Upper compact magazine
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  • 81
    Monograph available for loan
    Monograph available for loan
    Wien : Springer-Verlag
    Call number: AWI A5-18-91452 ; MOP 44221 / Mitte
    Description / Table of Contents: Neben der vorwiegend empirisch orientierten synoptischen Wettervorhersage hat in den letzten Jahren die numerisch-mathematische Methode der Vorausberechnung von Feldverteilungen meteorologischer Elemente in zunehmenden Maße an Bedeutung gewonnen. Auch bei der Analyse der Wetterkarte dominieren heute die objektiven rechnerischen Methoden, können jedoch derzeit die Arbeit des Meteorologen noch nicht ganz ersetzen. Wesentlich neue Erkenntnisse brachte auch die Satellitenmeteorologie. Um diesen Tatsachen gerecht zu werden, werden in dem Buch die empirisch-synoptischen wie auch die theoretischen Arbeitsweisen möglichst gleichmäßig berücksichtigt. Es werden die heute noch verwendbaren synoptischen Regeln und Analysenmethoden ebenso erläutert wie die rein mathematischen Methoden der numerischen Integration von Modellgleichungen. Das Buch soll sowohl einen Einblick in die moderne Problematik der Wetterprognose vermitteln als auch dem Studierenden einen Weg zum Verständnis der Spezialliteratur eröffnen. Es ist auch als Text für Vorlesungen über theoretische Synoptik und Einführung in die numerische Wettervorhersage geeignet.
    Type of Medium: Monograph available for loan
    Pages: XIII, 208 Seiten , mit 59 Abbildungen im Text und auf zwei Ausschlagtafeln
    ISBN: 978-3-7091-7079-3
    Language: German
    Note: Inhaltsverzeichnis: Verzeichnis der Symbole. - A. Der synoptische Wetterzustand und seine Analyse. - 1. Die Wetterkarte. - 2. Analyse des Druck- und Stromfeldes. - 3. Analyse des Druckänderungsfeldes. - 4. Analyse des Temperatur- und Feuchtefeldes. - 5. Luftmassen- und Frontenanalyse. - 6. Analyse abgeleiteter Feldgrößen (Divergenz und Vorticity) und der Vertikalbewegung. - 7. Bestimmung des zonalen Index und Konstruktion zonaler Windprofile. - 8. Satellitenmeteorologie als Hilfsmittel für die Analyse. - 9. Objektive mathematisch-numerische Analyse von Feldverteilungen. - B. Synoptische Methoden der Vorhersage. - 1. Einleitung. - 2. Kinematische Extrapolationen. - 3. Dynamische Methoden zur Vorhersage des Höhendruckfeldes. - 4. Kopplung des Boden- und Höhendruckfeldes (Steuerung der Bodendruckwellen durch die Höhenströmung). - 5. Entstehung und Entwicklung von Tiefdruckgebieten. - 6. Einfluß des Höhendruckfeldes auf die Entwicklung von Depressionen. - 7. Statische und quasistatische Prognosen. - 8. Voraussage von Bewölkung und Niederschlag. - C. Theorie der mathematischen Wettervorhersage. - 1. Problemstellung. - 2. Grundgleichungen der atmosphärischen Dynamik. - 3. Allgemeine Sätze der Wirbeldynamik. - 4. Wahl spezieller Koordinatensysteme. - 5. Berücksichtigung der Kartenprojektion. - 6. Numerische Integration der Prognosengleichungen und das Problem der Filterung. - 7. Das adiabatische Modell einer reibungsfreien trockenen Atmosphäre. - 8. Das barotrope Modell. - 9. Einfache barokline Modelle. - 10. Die Zyklogenese. - 11. Beispiel einer numerischen Vorausberechnung der Isohypsen der 500mb-Topographie mit barotropen und baroklinen Modellen. - 12. Die Ausbreitung von Luftverunreinigungen in der Atmosphäre. - Anhang. - I. Erläuterungen des Wetterschlüssels und des Eintragungsschemas. - Il. Das Stüve-Diagramm. - III. Helmholtz: Satz von der Wirbelerhaltung in einer idealen Flüssigkeit. - IV. Ertels Wirbelsatz einer reibungsfreien kompressiblen Flüssigkeit auf der rotierenden Erde. - Wichtige Konstanten und Umrechnungsfaktoren. - Literatur. - Sachverzeichnis.
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  • 82
    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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  • 83
    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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  • 84
    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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  • 85
    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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  • 86
    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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  • 87
    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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  • 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-201-83/5
    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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  • 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-201-83/4
    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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  • 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-201-83/2
    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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  • 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-201-83/1
    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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  • 92
    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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  • 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-201-76/25
    In: CRREL Report, 76-25
    Description / Table of Contents: The primary objective of this investigation was to compile baseline information pertaining to the ocean circulation, especially the extent and patterns of tidal currents and tidal flushing, in Cook Inlet, Alaska, utilizing aircraft and satellite imagery with corroborative ground truth data. LANDSAT-1 and NOAA-2 and -3 imagery provided repetitive, synoptic views of surface currents, water mass migration and sediment distribution during different seasons and tides. Color, color infrared and thermal infrared imagery acquired on 22 July 1972 with the NASA NP-3A aircraft were used to analyze currents, mixing patterns and sediment dispersion in selected areas. Temperature(C), salinity (0/00) and suspended sediment concentration (mg/l) data and hand-held photography were utilized as ground truth information in the interpretation of the aircraft and satellite imagery. Coriolis effect, semidiurnal tides and the Alaska current govern the estuary circulation. Clear, oceanic water enters the inlet on the southeast during flood tide, progresses northward along the east shore with minor lateral mixing, and remains a distinct water mass to the latitude of Kasilof-Ninilchik. South of the forelands, mixing with turbid inlet water becomes extensive. Turbid water moves south primarily along the north shore during ebb tide and a shear zone between the two water masses forms in mid-inlet south of Kalgin Island. Currents adjacent to and north of the forelands are complicated by tidal action, coastal configuration and bottom effects. Turbulence is greatest throughout the water column along the south shore and stratification is more pronounced in Kamishak and Kachemak Bays, especially when fresh water runoff is high.
    Type of Medium: Series available for loan
    Pages: ix, 92 Seiten , Illustrationen
    Series Statement: CRREL Report 76-25
    Language: English
    Note: CONTENTS Abstract Preface Summary Conversion factors: U.S. customary to metric (SI) units of measurement. Introduction Background Objectives Project history Approach Aircraft imagery LANDSAT-1 imagery NOAA-2 and -3 satellite imagery Ground truth data Imagery and ground truth data analysis Physical and cultural setting Geography Geology Climate Hydrology Local industry and population density Sources of estuarine pollution Results and discussion Coastal configuration Bathymetry Tides Asymmetry of tidal flow/duration across inlet Suspended sediment distribution and circulation Sea ice Tidal flushing characteristics Summary and conclusions Applications Recommendations Literature cited Appendix A. RS-14 infrared scanner imagery
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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-201-76/29
    In: CRREL Report, 76-29
    Description / Table of Contents: In order to verify current theoretical equations on ice bearing capacity, a heavily loaded truck was used to make successive passes over two ice bridges. Equipment, weather and the normal problems associated with field work resulted in only one complete breakthrough test. Breakthrough occurred on one bridge with a vehicle weight of 53,630 lb (24,327 kg) and an ice thickness of 17.5 in. (44.5 cm). Since only one test was completed, the conclusions drawn cannot be unequivocal. However, the results do indicate that Nevel's equation for ultimate failure of a floating ice sheet is a good working tool.
    Type of Medium: Series available for loan
    Pages: iv, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 76-29
    Language: English
    Note: Contents Abstract Preface Summary Introduction Location Test procedure Loading Site preparation and bridge construction Deflection measurements Conclusions Literature cited Appendix, Test data
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  • 95
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: MOP 40419 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 302 Seiten , Illustrationen
    Language: Russian
    Note: Zsfassung in englischer Sprache , In kyrillischer Schrift
    Location: MOP - must be ordered
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  • 96
    Call number: ZSP-201-76/31
    In: CRREL Report, 76-31
    Description / Table of Contents: Sections in the Connecticut River where ice jam potential is high were identified through the use of low-altitude black and white photographs taken during low-flow, ice-free conditions. The hydraulics and mechanics of ice jam initiation were investigated in the river reach where these sections were identified. Certain areas were found in the river that had a high susceptibility to ice clogging, but this high potential decreased with increasing discharge because of the improved surface conveyance of the ice through the reach. The stability of ice floes was established along the channel, but the floes generally became unstable as the flow increased. This was calculated by using a Froude number criterion. Grounding locations for ice became evident when the critical Froude number was zero for a given thickness and water depth. No single factor was determined to be responsible for initiating the ice jams in the Connecticut River at Windsor. Apparently there existed a multitude of interacting conditions: surface constrictions, possible high backwater conditions from the Brattleboro Dam, a solid ice cover in the backwater of the Brattleboro Dam that prevented ice transport from the Windsor area, deep pools followed by shallow depth sections upstream of bridge piers, a greater ice thickness accumulation of fragmented floes than would result if a uniform cover could be established in the same reach, and the diurnal fluctuation of river stage casued by the release of water at Wilder Dam.
    Type of Medium: Series available for loan
    Pages: vi, 39 Seiten , Illustrationen
    Series Statement: CRREL Report 76-31
    Language: English
    Note: CONTENTS Abstract Preface Summary Conversion factors: U.S. customary to metric units of measurement Introduction Testsite Aerial photography Channel morphology — Interpretation of aerial photographs Ground surveys Hydraulic analysis Analysis of ice jam locations Winter field observations Conclusions Literature cited Appendix: Locations and plots of cross sections from Sumner Falls to Chase Island, Connecticut River
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  • 97
    Call number: ZSP-201-76/33
    In: CRREL Report, 76-33
    In: Detecting structural heat losses with mobile infrared thermography / R.H. Munis, S.J. Marshall and M.A. Bush, Part IV
    Description / Table of Contents: During the winter of 1973-74 a mobile infrared thermography system was used to survey campus buildings at Dartmouth College, Hanover, New Hampshire. Both qualitative and quantitative data are presented regarding heat flow through a small area of a wall of one brick dormitory building before and after installation of aluminum reflectors between radiators and the wall. These data were used to estimate annual cost savings for 22 buildings of similar construction having aluminum reflectors installed behind 1100 radiators. The data were then compared with the actual savings which were calculated from condensate meter data. The discrepancy between estimated and actual annual cost savings is explained in detail along with all assumptions required for these calculations.
    Type of Medium: Series available for loan
    Pages: iii, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 76-33
    Language: English
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  • 98
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: MOP 44642 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 311 Seiten , Illustrationen , 22 cm
    Language: Russian
    Note: In kyrillischer Schrift
    Location: MOP - must be ordered
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  • 99
    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
    Location: MOP - must be ordered
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  • 100
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/44
    In: CRREL Report, 76-44
    Description / Table of Contents: The deformation of wet snow is explained in terms of the thermodynamics of the three phases of water. When deformation by particle rearrangement is fully developed, deformation can occur most rapidly by melting at the particle contacts. The rate of deformation is highly sensitive to the liquid water content, ionic impurity content, particle contact area, and stress level. A model of the hydrostatic deformation of wet snow is constructed, and examples of the deformation of wet snow are given for a variety of conditions. These results are in agreement with existing experimental evidence. The model accurately simulates the transient nature of the deformation and the effect of water content on the quasi-stable density of wet snow subjected to a constant stress.
    Type of Medium: Series available for loan
    Pages: iv, 9 Seiten , Illustrationen
    Series Statement: CRREL Report 76-44
    Language: English
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