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  • Wissenschaftspark Albert Einstein  (72)
  • Kammergericht  (2)
  • SB Königs Wusterhausen
  • Filmuniversität Babelsberg
  • SB Templin
  • SB Joachimsthal
  • Forschungsbericht  (74)
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  • 1
    Book
    Book
    Energiehaushalt und Zirkulation der Atmosphäre : Bericht über ein von 1970 bis 1977 gefördertes Schwerpunktprogramm (1978)
    Boppard : Boldt
    Details
    UID:
    b3kat_BV002250519
    Format: 93 S. , Ill., graph. Darst., Kt.
    ISBN: 3764617136
    Series Statement: DFG-Forschungsbericht
    Language: German
    Subjects: Physics , Geography
    RVK:
    RB 10435
    RVK:
    UT 5200
    Keywords: Allgemeine atmosphärische Zirkulation ; Energie ; Allgemeine atmosphärische Zirkulation ; Energiehaushalt ; Atmosphäre ; Energiehaushalt ; Allgemeine atmosphärische Zirkulation ; Modell ; Forschungsbericht ; Bericht
    URL: Inhaltsverzeichnis
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  • 2
    Online Resource
    Online Resource
    Handbuch Extremismusprävention : gesamtgesellschaftlich : phänomenübergreifend (2020)
    Wiesbaden : BKA, Bundeskriminalamt
    Details
    UID:
    gbv_1725400278
    Format: 1 Online-Ressource (755 Seiten) , Illustrationen, Diagramme
    Series Statement: Polizei + Forschung Band-Nummer 54
    Content: Das Handbuch Extremismusprävention versammelt Beiträge von Expertinnen und Experten aus Forschung und Praxis. In sieben auf einander aufbauenden Kapiteln wird das weite Feld der unterschiedlichen Arbeitsbereiche der Prävention auf der Grundlage des aktuellen Wissens- und Erfahrungsstandes für ein breites Publikum verständlich und nachvollziehbar ausgeleuchtet. Leserinnen und Leser, die in diesem Themenfeld Neuland betreten, werden so systematisch und umfänglich in das komplexe Arbeitsfeld eingeführt. Und der mit diesem Themenkomplex bereits vertrauten Leserschaft gelingt über ein umfängliches Schlagwortregister ein gezielter Quereinstieg, auch in Teilaspekte, denen in der einschlägigen Literatur sowie in den öffentlichen Diskussionen bisher weniger Aufmerksamkeit geschenkt wurde. Der Aufbau des Buches, die Zusammenstellung der Texte und die fokussierten Inhalte folgen einem Leitgedanken: Die Prävention von Extremismus sowie politisch und/oder religiös motivierter Gewalt ist als eine gesamtgesellschaftliche Aufgabe zu begreifen und unter Bündelung aller gesellschaftlichen – insbesondere auch der zivilgesellschaftlichen – Kräfte zu gestalten.
    Additional Edition: ISBN 9783981846959
    Additional Edition: Erscheint auch als Druck-Ausgabe Handbuch Extremismusprävention Wiesbaden : Bundeskriminalamt, 2020 ISBN 9783981846959
    Language: German
    Subjects: Political Science , Law
    RVK:
    MG 15096
    RVK:
    PH 8240
    Keywords: Radikalismus ; Prävention ; Forschungsbericht ; Aufsatzsammlung ; Forschungsbericht.
    URL: Volltext  (kostenfrei)
    URL: Volltext  (Kostenfrei)
    Author information: Ben Slama, Brahim
    Author information: Kemmesies, Uwe Ernst 1964-
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    Fulltext
    HPol Brandenburg
    Kammergericht
  • 3
    Book
    Book
    Evaluation of the magnetic induction conductivity method for detecting frazil ice deposits (1987)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ20190723112222
    Format: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 87-17
    Content: The ability to map frazil ice deposits and water channels beneath an ice-covered river in central Alaska using the magnetic induction conductivity (MI) technique has been assessed. The study was performed during the first week of March of 1986 on the Tanana River near Fairbanks and employed a commercially available instrument operating at a fixed frequency with a fixed antenna (coil) spacing and orientation. Comparisons of the MI data with theoretical models based upon physical data measured along three cross sections of the river demonstrate the sensitivity of the MI technique to frazil ice deposits. The conductivity generally derived for the frazil ice deposits encountered is very low (approx. .00063 s/m) when compared with the measured value for water (approx. 0.011 S/m), and is similar to the calculated values for gravel and sandy gravel bed sediments. In all three cross sections, maxima in the apparent conductivity profiles correlated with frazil ice deposits. Difficulties, possibly due to adverse effects of cold weather upon instrument calibration, affected the quantitative performance of the instrument on one cross section, although the interpretation of the data (locations of open channels vs frazil deposits) was qualitatively unaffected.
    Note: CONTENTS Abstract Preface Introduction Magnetic induction conductivity method Site description and survey methods Cross section field data and modeling results X6 X3A X4 Conclusions and recommendations Literature cited Appendix A: Discussion of errors Appendix B: Modeling data
    In: CRREL Report, 87-17
    Language: English
    Keywords: Forschungsbericht
    URL: https://apps.dtic.mil/dtic/tr/fulltext/u2/a186940.pdf
    URL: https://hdl.handle.net/11681/9023
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  • 4
    Book
    Book
    Prototype drill for core sampling fine-grained perennially frozen ground (1985)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ20190702110707
    Format: v, 34 Seiten , Illustrationen
    Series Statement: CRREL Report 85-1
    Content: An expensive drill has been modified to provide researchers with the ability to auger an open hole or to acquire continuous, undisturbed 76-mm-diam core samples of a variety of perennially frozen materials that are suitable for chemical and petrographic analysis. It was developed by field testing in support of research from 1980 to 1983. Operation of the drill is based mainly on using a minimum of power to cut through frozen ground with tungsten carbide cutters on a CRREL coring auger. The ice content, temperature and grain size of the frozen sediments are important variables determining the sampling depth. Perennially frozen sediments with temperatures in the range of -0.5 C to -8.5 C have been continuously cored with this drill. Drilling and sampling are most efficiently conducted when ambient air temperatures are below freezing and the active layer is frozen. The self-contained lightweight drill is readily transportable off-road by helicopter or tracked vehicle, or by towing over roads. It is locally self-mobile by use of a winch. Total cost of the drill and modifications is estimated at approximately $10,000.
    Note: CONTENTS Abstract Preface Introduction Background on development Drill development and configuration Equipment Modifications Operations Assembly and disassembly Field transport and movement Typical operating procedures Effect of material properties, weather and water Depth and hole completion time Summary Literature cited
    In: CRREL Report, 85-1
    Language: English
    Keywords: Forschungsbericht
    URL: https://apps.dtic.mil/docs/citations/ADA152388
    URL: https://hdl.handle.net/11681/9352
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  • 5
    Book
    Book
    Penetration tests in subsea permafrost, Prudhoe Bay, Alaska (1979)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ105553
    Format: iv, 49 Seiten , Illustrationen
    Series Statement: CRREL Report 79-7
    Content: Sediments beneath the Beaufort Sea near Prudhoe Bay, Alaska, were probed at 27 sites using a static cone penetrometer to determine engineering properties and distribution of material types, including ice-bonded sediments. The probe provided both point and casing resistance data and thermal profiles. At five sites these data were correlated with information from adjacent drilled and sampled holes. These control data and the quality of the probe information permitted profiles of sediment type and occurrence of ice-bonded material to be developed along three lines that included various geological features and depositional environments. Material properties were quite variable in the upper 14 m of sediments probed. In general, softer, finer-grained sediments occurred in the upper layers, while penetration refusal was met in stiff gravels to 10 to 12 m below the seabed. Seabed temperatures during the study were all below 0 C. However, because of uncertainties in freezing point values caused by brines, evaluation of the penetration resistance data was required to identify the occurrence of ice-bonded sediments. The coupling of thermal and penetration resistance data revealed that seasonally ice-bonded sediments occurred where the sea ice froze back to or near the seabed. Deeper, perennially frozen sediments also appeared to be present at several probe sites. The penetration data obtained can be used to aid in the design of shallow and deep foundations in both ice-bonded and unfrozen subsea sediments.
    Note: MAB0014.001: ZSP-201-79/7 , CONTENTS Abstract Preface Introduction Equipment Data collection and reduction Data analysis and interpretation Point penetration resistance and material properties Lithologic and temperature profiles Casing penetration resistance Applications Shallow foundations Deep foundations Foundations in permafrost Correlations with laboratory tests Conclusions Selected bibliography Appendix A: Description of penetrometer and test procedures Appendix B: Point resistance and skin friction data
    In: CRREL Report, 79-7
    Language: English
    Keywords: Forschungsbericht
    URL: https://hdl.handle.net/11681/9014
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  • 6
    Book
    Book
    Ice forces on vertical piles (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ106414
    Format: iv, 9 Seiten , Illustrationen
    Series Statement: CRREL Report 77-10
    Content: Abstract: The amount of force that an ice sheet can apply to a vertical pile was tested by lowering a hydraulic ram device into a hole cut in an existing ice sheet. The device had a large base and shoved a relatively narrow vertical pile in a horizontal direction. Test variables were: pile widths - 1.5 in. to 36.7 in.; pile shapes - flat, round, 45 ° and 90° wedges; ice thickness - 2.6 in. to 8.8 in.; and ram speed - 0.07 in./sec to 18.75 in./sec; but not all shapes and sizes were tested at all speeds. Air temperature was 20 ° F (-6.7 ° C). Forces and displacements were measured electronically. The findings are presented as a table of test results and as bar graphs of the resultant ice pressures versus the pile width-to-ice-thickness ratio, pile width and shape combination and pile velocity. The types of failures in the ice sheet were classified as crushing, splitting, buckling, bending, and creeping. The ice sheet generally withstood a high initial load followed by several lower peak load levels. The maximum ice pressure measured was 610 psi for a 12.6-in.-diam round pile in 8.4-in.-thick ice.
    Note: MAB0014.001: ZSP-201-77/10
    In: CRREL Report, 77-10
    Language: English
    Keywords: Forschungsbericht
    URL: https://hdl.handle.net/11681/9505
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  • 7
    Book
    Book
    Morphology, hydraulics and sediment transport of an ice-covered river : field techniques and initial data (1986)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ20190626153636
    Format: v, 49 Seiten , Illustrationen
    Series Statement: CRREL Report 86-11
    Content: This initial study of the ice-covered Tanana River, near Fairbanks, Alaska, attempted to 1) establish field methods for systematic and repetitive quantitative analyses of an ice-covered river's regime, 2) evaluate the instruments and equipment for sampling, and 3) obtain the initial data of a long-term study of ice cover effects on the morphology, hydraulics and sediment transport of a braided river. A methodology was established, and detailed measurements and samplings, including profiling by geophysical techniques, were conducted along cross sections of the river. A small, portable rotary drill rig equipped with a 356-mm (14-in.) ice auger was used to cut large diameter holes in the ice cover for through-the-ice measurements. Portable heat sources and a heated shelter were required to continuously thaw and dry equipment for the repetitive measurements. Measurements included ice cover thickness, water level, water depth, temperature, flow velocity, suspended load and bed load, frazil ice distribution and bed material composition. Remotely gathered data included apparent resistivity and subsurface radar profiling. The various techniques, sampling gear and problems encountered during use in the subfreezing cold are described in detail in this report.
    Note: CONTENTS Abstract Preface Introduction Study objectives and field locale Study site Equipment Vehicles Drilling equipment Sampling equipment Geophysical equipment Shelter and icing control Surveying equipment Miscellaneous equipment Field techniques and methodology Logistics Drilling procedures Data collection Geophysical analyses Experiences summary Morphology, transport and hydraulic data Mid-winter physical characteristics Hydraulic characteristics Sediment transport Late winter physical characteristics Seasonal morphology Geophysical data interpretation Spatial morphology Frazil ice characteristics Discussion and conclusions Recommendations Equipment Research Literature cited
    In: CRREL Report, 86-11
    Language: English
    Keywords: Forschungsbericht
    URL: http://hdl.handle.net/11681/9318
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  • 8
    Book
    Book
    Coping with impacts of climate variability and climate change in water management : a scoping paper (2003)
    [Wageningen] : Dialogue on Water and Climate
    Details
    UID:
    kobvindex_GFZBV037264615
    Format: XIV, 99 Seiten , Illustrationen
    Edition: 1. publ.
    ISBN: 9032703196
    Series Statement: DWC-Report DWCSSO-01
    Note: TABLE OF CONTENTS: Preface. - A summary of key issues addressed in this document. - 1: Brief Overview of the Science on Water and Climate. - 1.1 Introduction. - 1.2 Climatic Information. - 1.2.1 Current expectations of future climate in light of uncertainties. - 1.2.2 Anticipated global climate change and water resources. - 1.2.3 Regional climate change. - 1.3 Water Resources. - 1.3.1 Why do water resources matter?. - 1.3.2 What do we know from past experiences of climate variability and change?. - 1.3.3 What do we expect for the future?. - 1.3.4 How reliable is our information?. - 1.3.5 How do we prepare for the future?. - 1.4 Impacts of Climate Change on Water-Related Extremes: Background. - 1.5 Floods. - 1.5.1 Why do floods matter?. - 1.5.2 What do we know from the past about floods?. - 1.5.3 What do we expect for the future?. - 1.5.4 What are our information needs on flow data?. - 1.5.5 How do we prepare for the future?. - 1.6 Droughts. - 1.6.1 Why do droughts matter?. - 1.6.2 What do we know from the past about droughts?. - 1.6.3 What do we expect for the future?. - 1.6.4 What are our information needs?. - 1.6.5 How do we prepare for the future?. - 1.7 Concluding Thoughts. - 2: Coping with Climate Variability and Climate Change in Water Resources. - 2.1 Introduction. - 2.2 Who are Water Managers and What do They Manage?. - 2.3 Integrated Water Resources Management as Prerequisite for Coping and Adaptation. - 2.3.1 What is IWRM?. - 2.3.2 Spatial and temporal scale issues in IWRM. - 2.3.3 IWRM in developing countries. - 2.4 Coping Strategies for Dealing with Uncertainties Associated with Climate Variability and Change. - 2.4.1 Water resources engineering. - 2.4.2 Agriculture. - 2.4.3 Climate forecasting. - 2.4.4 Indigenous coping strategies. - 2.4.5 Approaches to adapting to and coping with climate variability and change. - 2.5 Concluding Thoughts. - 3: A Conceptual Framework for Identifying ‘Hot Spots’ of Vulnerability to Climate Variability and Climate Change. - 3.1 ‘Hot Spots’: Regions of High Vulnerability. - 3.2 Identifying and Assessing Hot Spots of Water Resources Vulnerability with Respect to Climate Change. - 3.3 Related Research That Can Contribute to Hot Spot Assessment. - 3.4 Development Needed for Improved Vulnerability Assessment. - 3.5 First Steps Towards a New Framework for Vulnerability Assessment of Water Resources. - 3.5.1 The suggested framework. - 3.5.2 Hot spots at different spatial and temporal scales. - 3.6 Examples of Applying the Framework. - 3.6.1 The Ganges-Brahmaputra-Meghna Basin. - 3.6.2 Over-abstracted aquifers in the Mediterranean. - 3.7 Concluding Thoughts. - 4: Policy Analysis and Institutional Frameworks in Climate and Water. - 4.1 Introduction. - 4.2 Evolution of a Political Framework for Water Resource Management. - 4.3 Critical Review of Present Approaches and Policy Responses with Regard to IWRM. - 4.4 Institutional Decision-Making on Water and Climate in the North and South. - 4.4.1 Data and decisions. - 4.4.2 North-South collaboration and dialogue. - 4.4.3 National and regional power structures. - 4.5 Barriers to Success in Current Practices in Water Resources Management. - 4.6 Identification of Solutions. - 4.6.1 The need for new paradigms. - 4.6.2 Economic stability and access to markets. - 4.6.3 Institutional capacity for water management. - 4.6.4 Participation in water management. - 4.6.5 Information sharing and awareness. - 4.6.6 The facilitating role of government. - 4.6.7 Co-operative agreements. - 4.7 Challenges and Recommendations. - 4.7.1 The political debate on ‘the poor’. - 4.7.2 The political debate on climate change. - 4.7.3 Institutional capacity building. - 4.8 Concluding Thoughts. - Appendix A: Summary of Findings from IPCC (2001) Reports on the Theme of Water and Climate. - A.1 Preamble. - A.2 Introduction. - A.3. Current State of Climate Change and Water Research Since the IPCC’s Second Assessment Report of 1995. - A.4 Climate Scenarios. - A.5 Climate Modelling. - A.6 Effects on the Hydrological Cycle. - A.6.1 Precipitation. - A.6.2 Evapotranspiration. - A.6.3 Soil moisture. - A.6.4 Groundwater recharge. - A.6.5 River flows. - A.6.6 Other Hydrological Responses. - A.7 Effects of Climate Change on Water Withdrawals. - A.8 Impacts of Climate Change on Water Resources. - A.9 Adaptation Options and Management Implications. - Appendix B: Abbreviations and Acronyms. - Appendix C: Glossary of Terms. - Appendix D: List of Authors and their Affiliations. - References.
    Language: English
    Keywords: Forschungsbericht
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  • 9
    Book
    Book
    Creep of single crystals of ice (1954)
    Wilmette, Ill. : Snow, Ice and Permafrost Research Establishment
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    Details
    UID:
    kobvindex_GFZ107348
    Format: 24 Seiten , Illustrationen
    Series Statement: SIPRE report 11
    Content: A commercial deep-freeze unit was modified to serve as a laboratory for growing single crystals, cutting specimens of a given orientation, testing these specimens in compressive creep, and studying thin-sections of the results on a universal stage. A method of growing single crystals of adequate size was developed by adapting the Bridgman method. Fortyone creep tests were made at temperatures ranging from -1° to -18°C. These gave an unexpected form of creep-curve in which the rate of strain continuously increases with time. The mechanism of deformation is dominantly basal translation—consistent with earlier work. The dependence on temperature and stress is expressed empirically.
    Note: MAB0014.001: ZSP-201-11 , Contents Introduction Use of the deep-freeze as a cold laboratory Growing single crystals Creep tests Conclusions References cited
    In: SIPRE report, 11
    Language: English
    Keywords: Forschungsbericht
    URL: https://hdl.handle.net/11681/6031
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  • 10
    Book
    Book
    Laboratory studies of cold fog dispersal by compressed air (1974)
    Hanover, NH : Army Cold Regions Research and Engineering Laboratory
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    Details
    UID:
    kobvindex_GFZ122979
    Format: iii, 11 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 327
    Content: CONTENTS: Preface. - Introduction. - Theory of formation, growth and precipitation of ice crystals. - Fog characteristics. - Liquid water content. - Size distribution of liquid water droplets. - Results and discussion. - Sudden expansion system. - Continuous flow. - Conclusions and recommendations. - Conclusions. - Recommendations. - Literature cited. - Abstract.
    Content: Two compressed air systems for glaciating supercooled clouds were studied in the laboratory. The first system used the sudden expansion of compressed air and was found to be most efficient at 27 psig producing an average of 5.2 x 10^8 ice crystals per cm^3 of air. The second system used a continuous flow of air through nozzles of various designs, of which the supersonic nozzle was found to be the most efficient, producing a maximum of 2.5 x 10^8 crystals per cm^3 of air at 27 psig. The above data were obtained at an ambient temperature of -4°C, but data for other temperatures and pressures were obtained and are presented in the text.
    Note: MAB0014.001: ZSP-202-327 , Online frei verfügbar
    In: Research report / Cold Regions Research and Engineering Laboratory
    Language: English
    Keywords: Forschungsbericht
    URL: http://www.worldcat.org/oclc/632641232
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