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  • Wissenschaftspark Albert Einstein  (64)
  • Bibliothek Lübbenau - Vetschau
  • Collegium Polonicum
  • SB Eisenhüttenstadt
  • Forschungsbericht  (64)
Type of Medium
Language
Region
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Subjects(RVK)
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  • 1
    Book
    Book
    The upper mesosphere and lower thermosphere : a review of experiment and theory (1995)
    Washington, DC : American Geophysical Union
    Details
    UID:
    gbv_272576743
    Format: XII, 356 S , Ill., graph. Darst
    ISBN: 0875900445
    Series Statement: Geophysical monograph series 87
    Note: Literaturangaben
    Language: English
    Subjects: Physics
    RVK:
    UT 5250
    Keywords: Forschungsbericht
    URL: Inhaltsverzeichnis
    URL: Inhaltsverzeichnis  (kostenfrei)
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  • 2
    Book
    Book
    Mineral vein dynamics modelling (FRACS); [...]: (FRACS II) (2016)
    Hamburg : DGMK, Deutsche Wissenschaftliche Gesellschaft für Erdöl, Erdgas und Kohle e.V.
    Details
    UID:
    kobvindex_GFZ873233514
    Format: 227 Seiten , Illustrationen, Diagramme
    Edition: Als Manuskript gedruckt
    ISBN: 9783941721708
    Series Statement: DGMK-research report 718-2
    Note: Text englisch mit englischer und deutscher Zusammenfassung
    Language: English
    Keywords: Forschungsbericht
    Author information: Virgo, Simon
    Author information: Urai, Janos
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  • 3
    Book
    Book
    Hydrologic reconnaissance of the Delta River and its drainage basin, Alaska (1971)
    Hanover, NH : Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ123550
    Format: v, 83 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 262
    Content: CONTENTS: Introduction. - Regional setting. - General description and topography. - Geology. - Soils. - Climate. - Precipitation. - Temperature. - Weather during period of study. - Vegetation. - Hydrology. - Water balance. - Introduction. - Yield. - Precipitation. - Loss of glacial storage. - Evapotranspiration. - Summary. - Flow variability. - Flow-duration curves. - Flood estimation. - Response to rain and meltwater. - Water quality. - Introduction. - Suspended sediment. - Bedload. - Dissolved sediment. - Water temperatures. - Channel shape and process. - General characteristics of braided channels. - Channel material. - Channel shape. - Channel changes. - Introduction. - Channel profiles. - Ground photography. -Vertical aerial photography. - Freeze-up and breakup. - Summary. - Literature cited. - Selected bibliography. - Appendix A: Measurement site locations and methods. - Appendix B: Installation of water-level recorder. - Appendix C: Delta river quicksilts - properties and mode of formation. - Appendix D: Channel shape data. - Abstract.
    Content: A one-year reconnaissance study was made of a large braided glacial river and its drainage basin (drainage area 1665 m^2; elevation range 1000 - 10,000 ft) for which a minimum of hydrometric and meteorologic data existed. The report includes estimates of the water balance, flow-duration curves, and sediment characteristics, and descriptions of stream response to glacial melt and rain, channel geometry and channel processes. Mean annual basin precipitation is estimated at 40.4 in. and mean annual loss of permanent glacial storage is about 1 in. About 30% of this leaves the basin as evapotranspiration, 50% as stream flow, and 20% as groundwater flow. Characteristics of response to glacial melt are outlined. Flow peaks near the mouth occur within 24 hours of rainfall Greater than 0.5 in./day at foothills meteorological stations; rains of less than that amount do not generally produce discernible stream response. Stream channel geometry is described in detail. Most channels on the lower floodplain are asymmetrical and are roughly triangular or parabolic, and have high width/depth ratios. At-a-station hydraulic geometry is described. Surveys and gr ound and aerial photography are used to describe channel changes.
    Note: MAB0014.001: ZSP-202-262 , Online frei verfügbar
    In: Research report
    Language: English
    Keywords: Forschungsbericht
    URL: http://www.worldcat.org/oclc/5861449
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  • 4
    Book
    Book
    Failure of an ice bridge (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ20190918154343
    Format: iv, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 76-29
    Content: 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.
    Note: Contents Abstract Preface Summary Introduction Location Test procedure Loading Site preparation and bridge construction Deflection measurements Conclusions Literature cited Appendix, Test data
    In: CRREL Report, 76-29
    Language: English
    Keywords: Forschungsbericht
    URL: https://hdl.handle.net/11681/9523
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  • 5
    Book
    Book
    Remote sensing of land use and water quality relationships - Wisconsin Shore, Lake Michigan (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ20190918154949
    Format: vi, 53 Seiten , Illustrationen
    Series Statement: CRREL Report 76-30
    Content: The focus of this investigation was to assess the utility of remote sensing techniques in the study of land use-water quality relationships in an east central Wisconsin test area. The following types of aerial imagery were evaluated for this purpose: high altitude (60,000 ft) color, color infrared, multispectral black and white, and thermal; low altitude (less than 5000 ft) color infrared, multispectral black and white, thermal, and passive microwave. A non-imaging hand-held four-band radiometer was evaluated for utility in providing data on suspended sediment concentrations. Land use analysis includes the development of mapping and quantification methods to obtain baseline data for comparison to water quality variables. Suspended sediment loads in streams, determined from water samples, were related to land use of dfferences and soil types in three major watersheds. A multiple correlation coefficient R of 0.85 was obtained for the relationship between the 0.6-.7 incident and reflected radiation data from the hand-held radiometer and concurrent ground measurements of suspended solids in streams. Applications of the methods and baseline data developed in this investigation include: mapping and quantification of land use; input to watershed runoff models,estimation of effects of land use changes on stream sedimentation; and remote sensing of suspended sediment content of streams. High altitude color infrared imagery was found to be the most acceptable remote sensing technique forthe mapping and measurement of land use types.
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) units of measurement lntroduction Objectives Approach and project history Study area Physical setting Cultural setting Documented pollution sources in the study area Evaluation of imagery Photographic imagery Thermal imagery PMIS imagery Land use analysis Analysis of 1972 imagery Analysis of 1974 imagery Soils of Manitowoc, East Twin and Oconto River watersheds Manitowoc River watershed East Twin River watershed Oconto River watershed Water quality data Manitowoc River East Twin River Oconto River Land use/stream sedimentation relationships Results and conclusions Sensor evaluation Land use analysis Mapping approaches Land use/sedimentation relationships Cost effectiveness analysis Recommendations and applications Selected bibliography Appendix A. Precipitation and temperature data
    In: CRREL Report, 76-30
    Language: English
    Keywords: Forschungsbericht
    URL: https://hdl.handle.net/11681/9521
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  • 6
    Book
    Book
    Conventional urbanization and its effect on storm runoff (1976)
    Urbana : Illinois State Water Survey
    Details
    UID:
    kobvindex_GFZ20191106143838
    Format: 68 Seiten
    Note: Prepared for the Illinois Department of Transportation, Division of Water Resources, under contract number 47-26-84-390
    Language: English
    Keywords: Forschungsbericht
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  • 7
    Book
    Book
    Mathematical model to correlate frost heave of pavements with laboratory predictions (1980)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ20200731162728
    Format: v, 49 Seiten , Illustrationen
    Series Statement: CRREL Report 80-10
    Content: A mathematical model of coupled heat and moisture flow in soils has been developed. The model includes algorithms for phase change of soil moisture and frost heave and permits several types of boundary and initial conditions. The finite element method of weighted residual (Galerkin procedure) was chosen to simulate the spatial regime and the Crank-Nicholson method was used for the time domain portion of the model. To facilitate evaluation of the model, the heat and moisture fluxes were essentially decoupled; moisture flux was then simulated accurately, as were heat flux and frost heave in a laboratory test. Comparison of the simulated and experimental data illustrates the importance of unsaturated hydraulic conductivity. It is one parameter which is difficult to measure and for which only a few laboratory test results are available. Therefore, unsaturated hydraulic conductivities calculated in the computer model may be a significant source of error in calculations of frost heave. The algorithm incorporating effects of surcharge and overburden was inconclusively evaluated. Time-dependent frost penetration and frost heave in laboratory specimens were closely simulated with the model. After 10 days of simulation, the computed frost heave was about 2.3 cm vs 2.0 cm and 2.8 cm in two tests. Frost penetration was computed as 15 cm and was measured at 12.0 cm and 12.2 cm in the two laboratory samples after 10 days.
    Note: CONTENTS Abstract Preface Introduction One-dimensional equations of simultaneous heat and moisture flux Moisture transport Heat transport Phase change Coupling effects Frost heave algorithm Development of computer model Finite difference vs finite element method Finite element formulation Time domain solution Evaluation of the mathematical model Heat flux Moisture flux Numerical dispersion Frost heave of homogeneous laboratory samples Conclusions Recommended studies to refine the model Literature cited Appendix A. Work plan, staffing and instrumentation requirements for correlating results oflaboratory frost susceptibility tests with field performance Appendix B. Proposed investigation of thaw weakening of subgrade soil and granular unboundbase course Appendix C. Derivation of finite element system matrices
    In: CRREL Report, 80-10
    Language: English
    Keywords: Forschungsbericht
    URL: https://apps.dtic.mil/docs/citations/ADA084737
    URL: https://hdl.handle.net/11681/9217
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  • 8
    Book
    Book
    Warnsignale aus den Polarregionen : Natur, Klimawandel, Ressourcen, Umweltschutz : zum internationalen Polarjahr 2007-2009 ; wissenschaftliche Auswertungen (2006)
    Hamburg : Büro "Wiss. Auswertungen"
    Details
    UID:
    kobvindex_GFZ641346107
    Format: 19 Seiten , zahlreiche Illustrationen
    Note: Inhalt: Vorwort. - Die Polarregionen. - Das Polareis. - Eischilde, Meereis, Fluss- und Seeeis, Permafrost. - Die globale Erwärmung. - Die polaren Regionen erwärmen sich schneller. - Die Polarregionen: Gebiete höchster Empfindlichkeit mit weltweiter Wirkung. - Die indigenen Völker im Norden, Vegetation, Fauna, das Meereis als Lebensraum, Verringerung des stratosphärischen Ozons: "Das Ozonloch". - Die Meeresströmungen und Bildung des Tiefenwassers. - Wirtschaftliche Nutzung und ihre Risiken. - Öl- und Gasförderung, Gashydrate, Tourismus, Fischerei, Taiga. - Andere Gefährdungen und Schutz der Polarregionen. - Schadstoffe, radioaktive Altlasten, Walfang, die Arktis: Region des Umweltschutzes. - Schlussbetrachtung.
    Language: Undetermined
    Keywords: Forschungsbericht
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  • 9
    Book
    Book
    Soil failure under inclined loads (1972)
    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ123022
    Format: vi, 93 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 303
    Content: CONTENTS: Preface. - Notation. - 1.Introduction. - 1.1Definition and scope of problem. - 1.2 Theoretical background. - 1.3 Previous work on the single plate-grouser problem. - 1.4 Background of the present investigation. - 2.Theory of two-dimensional soil failure by a plate-grouser. - 2.1 Basic criteria and assumptions. - 2.2 Rupture zones and boundaries. - 2.3 Forces in the spiral and Rankine zones. - 2.4 Solution to forces of the equilibrium wedge abc when [Theta]c 〉 [Theta] 〉 (- [Epsilon] [equal to or greater] -[Beta]). - 2.5 Solution to the forces H and V. - 3. Observation of soil rupture patterns. - 3.1 General. - 3.2 Test equipment and photographic technique. - 3.3 Photographing failure patterns. - 3.4 Observation of the equilibrium wedge when [Theta]c 〉 [Theta] 〉 - [Epsilon]. - 3.5 Rupture patterns at [Theta] = 90°. - 4. Force measurements. - 4.1Test program. - 4.2 The plate-grouser test apparatus. - 4.3 The measurement of soil strength. - 4.4 Results of controlled [Theta] tests. - 5. Conclusions. - Literature cited. - Appendix A: Details of mathematical methods. - Appendix B: Computer program. - Appendix C: Examples of application. - Appendix D: Photographs of failure patterns. - Abstract.
    Content: The most common example of the application of inclined loads to the soil is the plate-grouser. This consists of a strip footing with a vertical arm at one end. The most usual loading arrangement is one in which a fixed vertical load is applied and then the horizontal load is increased until failure occurs. A theory has been developed which will predict the maximum horizontal force, assuming that the soil is dense enough to be reasonably described by the Coulomb equation. The theory is based on slip line fields including wedges of soil that are not failing. These slip line fields vary systematically with the interface angle [Beta] and the angle of internal shearing resistance of the soil [Phi] and they are a function of the direction of motion of the interface [Theta]. A computer program is provided which will solve the problem directly if the direction of motion [Theta] is given. It will also solve the more practical situation described above by an iterative procedure. The postulated slip line fields have been shown to be correct by means of glass box photographs giving excellent agreement with the theory. The predictions of passive pressure have been verified by a series of force measurements on quite large grousers driven into saturated clay, dry sand and an intermediate loam.
    Note: MAB0014.001: ZSP-202-303 , Online frei verfügbar
    In: Research report
    Language: English
    Keywords: Forschungsbericht
    URL: http://www.worldcat.org/oclc/5963520
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  • 10
    Book
    Book
    Radiative forcing from the 1991 Mount Pinatubo volcanic eruption (1997)
    Hamburg : Max-Planck-Institut für Meteorologie
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    Details
    UID:
    kobvindex_GFZ49107
    Format: 40 Seiten , Illustrationen , 30 cm
    Series Statement: Report / Max-Planck-Institut für Meteorologie 231
    Note: MAB0014.001: SR 96.0498(231) , MAB0014.001: ZSP-686-231
    In: Report / Max-Planck-Institut für Meteorologie, 231
    Language: English
    Keywords: Forschungsbericht
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