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  • 1
    Monograph available for loan
    Monograph available for loan
    Santa Fe, NM : School for Advanced Research Press
    Call number: IASS 18.91705
    Type of Medium: Monograph available for loan
    Pages: XIII, 290 S., [8] Bl , Ill., graph. Darst., Kt , 26 cm
    Edition: 1. ed
    ISBN: 1930618875 (pa) , 9781930618879 (pa)
    Series Statement: A School Of Advanced Research Resident Scholar Book
    Language: English
    Branch Library: RIFS Library
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  • 2
    Call number: 9/M 07.0421(467)
    In: Geological Society Special Publication
    Description / Table of Contents: Gullies on Mars resemble terrestrial gullies involved in the transport of abundant material down steep slopes by liquid water. However, liquid water should not be stable at the Martian surface. The articles in this volume present the two main opposing theories for Martian gully formation: climate-driven melting of surficial water-ice deposits and seasonal dry-ice sublimation. The evidence presented ranges from remote-sensing observations, to experimental simulations, to comparison with Earth analogues. The opposing hypotheses imply either that Mars has been unusually wet in the last few million years or that it has remained a cold dry desert – both with profound implications for understanding the water budget of Mars and its habitability. The debate questions the limits of remote-sensing data and how we interpret active processes on extra-terrestrial planetary surfaces, even beyond those on Mars, as summarized by the review paper at the beginning of the book.
    Type of Medium: Monograph available for loan
    Pages: vi, 434 Seiten , Illustrationen
    ISBN: 978-1-78620-360-1
    Series Statement: Geological Society Special Publication 467
    Language: English
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  • 3
    Monograph available for loan
    Monograph available for loan
    Princeton [u.a.] : Princeton Univ. Press
    Call number: IASS 18.91773
    Type of Medium: Monograph available for loan
    Pages: XIV, 321 S. , Ill
    ISBN: 0691120641 (alk. paper) , 9780691120645 (alk. paper) , 069112065X (pbk.) , 9780691120652 (pbk.)
    Language: English
    Branch Library: RIFS Library
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  • 4
    Call number: AWI E1-89-0347
    Type of Medium: Monograph available for loan
    Pages: 50 Seiten , Illustrationen
    Language: English
    Note: Contents: Preface. - Part I German oceanographic institutions. - Part II German oceanographic expeditions. - Part III German oceanographers. - References.
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  • 5
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/4
    In: CRREL Report, 84-4
    Description / Table of Contents: Ice problems developed in the Sault Ste. Marie, Michigan, portion of the St. Marys River because of winter navigation. Passing ships and natural influences moved ice from Soo Harbor into Little Rapids Cut in sufficient quantities to jam, cause high water in the harbor, and prevent further ship passage. After physical model and engineering studies, two ice booms with a total span of 1375 ft (419 m) with a 250-ft (76-m) navigation opening between were installed at the head of Little Rapids Cut in 1975. A modest field study program on the booms was conducted for the ensuring four winters to determine ice and boom interaction and the effects of ship passages on the system. Forces on some anchors were recorded and supplemental data were taken by local personnel. Several reports have been written about the booms' early operations. This paper presents four-year summary of the main effects of the booms on ice and ship interaction and vice versa. Throughout the four winter seasons, the small quantities of ice lost over and between the booms were manageable. Ships usually passed through the boom without influencing the boom force levels, but at time they brought about large changes. One boom needed strengthening, and artificial islands were added for upstream ice stability. Coast Guard icebreakers were also a necessary part of winter navigation in this area.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 84-4
    Language: English
    Note: CONTENTS Abstract Preface Introduction St. Marys River Ice problems Remedial measures Field studies Highlights, trends, and major findings Modifications to boom Maximum forces Ship traffic Characteristics Effect of boom forces Effect on ice Conclusion Literature cited Appendix A: Ice boom forces
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  • 6
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/7
    In: CRREL Report, 84-7
    Description / Table of Contents: Experiments were conducted in CRREL's refrigerated flume facility to examine the two-dimensional force distribution of a floating, fragmented ice cover restrained by a boom in a simulated river channel. To determine the force distribution, a vertically walled channel, instrumented for measuring normal and tangential forces, and an instrumented restraining boom were installed in a 40.0- by 1.3-m flume. Two sizes of polyethylene blocks and two similar sizes of fresh-water ice blocks were tested using water velocities ranging from 10 to 30 cm/s. The forces measured at the instrumented boom leveled off with increasing cover length. The contribution of the increasing shear forces developed along theshorelines to this leveling off in the data was clearly evident. The shear coefficients of the polyethylene blocks averaged 0.43, and the freshwater ice averaged 0.044. The normal force measured along the instrumented shoreline could not be related simply by a K coefficient to the longitudinal force; another expression was required, with a term being a function of the cover thickness and independent of the undercover shear stress or cover length. By adding this term, good agreement was then found between the measured and predicted values of the boom forces and the shoreline normal and shear forces
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 84-7
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experiments Test flume facility Experimental apparatus Experimental procedure Results Plastic versus freshwater ice Shoreline forces Boom forces Average shear stress under ice cover Internal forces Discussion Data scatter Summary and conclusions Literature cited Appendix A: Experimental results
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  • 7
    Call number: PIK T 060-18-91853
    Type of Medium: Monograph available for loan
    Pages: XXIII, 287 Seiten , Illustrationen, Diagramme, Karten
    Edition: Reprinted
    ISBN: 0470843497 , 9780470843499
    Language: English
    Note: Contents: 1. Introduction to urban Geosimulation ; 2. Formalizing Geosimulation with Geographic Automata Systems (GAS) ; 3. System Theory, Geography, and Urban Modelling ; 4. Modelling urban land usage with cellular automata ; 5. Modelling Urban Dynamics with Multi-Agent Systems ; 6. Finale: Epistemology of Geosimulation
    Location: A 18 - must be ordered
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  • 8
    Call number: ZSP-201-86/13
    In: CRREL Report, 86-13
    Description / Table of Contents: Stress-deformation data for six granular soils ranging from sandy silt to dense-graded crushedstone were obtained from in-situ tests and laboratory tests. Surface deflections were measured in the in-situ tests, with repeated-load plate-bearing and falling-weight deflectometer equipment, when the six granular soils were frozen, thawed, and at various stages of recovery from thaw weakening. The measured deflections were used to judge the validity of procedures developed for laboratory triaxial tests to determine nonlinear resilient moduli of specimens in the frozen, thawed, and recovering states. The validity of the nonlinear resilient moduli, expressed as functions of externally applied stress and moisture tension, was confirmed by using the expressions tocalculate surface deflections that were found to compare well with deflections measured in the in-situ tests. The tests on specimens at various stages of recovery are especially significant because they show a strong dependence of the resilient modulus on moisture tension, leading to the conclusion that predictions or in-situ measurements of moisture tension can be used to evaluate expected seasonal variation in the resilient modulus of granular soils.
    Type of Medium: Series available for loan
    Pages: iv, 148 Seiten , Illustrationen
    Series Statement: CRREL Report 86-13
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test sections Installing instruments and sampling Laboratory tests Asphalt concrete Base, subbase and subgrade soils Data analysis for base, subbase and subgrade soils Field tests Analysis of plate loading tests Analytical approach Results Discussion Conclusions Literature cited Appendix A: Field data Appendix B: Ground temperatures, moisture tension, water table and freezing iso-therms prevailing during plate loading tests Appendix C: Measured surface deflections compared with deflections calculated by NELAPAV Appendix D: Resilient moduli and supporting data calculated by NELAPA V at radius 0.0, taxiways A and B.
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  • 9
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/33
    In: CRREL Report, 84-33
    Description / Table of Contents: A small-scale experimental study was conducted to characterize the magnitude and nature of ice forces during continuous crushing of ice against a rigid, vertical, cylindrical structure. The diameter of the structure was varied from 50 to 500 mm, the relative velocity from 10 to 210 mm/s, and the ice thickness from 50 to 80 mm. The ice tended to fail repetitively, with the frequency of failure termed the characteristic frequency. The characteristic frequency varied linearly with velocity and to a small extent with structure diameter. The size of the damage zone was 10 to 50% of the ice thickness, with an average value of 30%. The maximum and mean normalized ice forces were strongly dependent on the aspect ratio (structure diameter/ice thickness). The forces increased significantly with decreasing aspect ratio, but were constant for large aspect ratios. The maximum normalized forces appeared to be independent of strain rate. The effect of velocity on the normalized ice forces depended on structure diameter. The mean effective pressure or specific energy of ice crushing depended on both aspect ratio and ice-structure relative velocity. The energy required to crush the ice for the one failure cycle was obtained from the ice force records for each test, and was compared to the energy calculated from an idealized sawtooth shape for the force record, the maximum force, velocity and characteristic frequency data. Originator - supplied keywords included: Cold regions, Cold regions construction, Cylindrical test structures, Ice, Ice crushing, Ice forces, and Test facilities.
    Type of Medium: Series available for loan
    Pages: vi, 47 Seiten , Illustrationen
    Series Statement: CRREL Report 84-33
    Language: English
    Note: Contents Abstract Preface Nomenclature Introduction Test objectives Experimental setup and procedures Facilities Test fixture Data acquisiton system Ice sheets Measurement of ice properties Daily test summary Experimental results and discussion Observations Ice force records Frequency of ice force variations Discussion Maximum crushing forces Mean effective pressure or specific energy of ice in crushing Failure energy of ice Ratio of maximum force to mean force Summary and conclusions Literature cited Appendix A: Data for continuous crushing tests
    Location: AWI Archive
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  • 10
    Monograph available for loan
    Monograph available for loan
    Cambridge, Massachusetts : The MIT Press
    Call number: IASS 19.91995
    Description / Table of Contents: Winner of the 2006 Giovanni Sartori Book Award, given by the American Political Science Association's Qualitative Methods Section. The use of case studies to build and test theories in political science and the other social sciences has increased in recent years. Many scholars have argued that the social sciences rely too heavily on quantitative research and formal models and thus have attempted to develop and refine rigorous methods for using case studies. This text presents a comprehensive analysis of research methods using case studies and examines the place of case studies in social science methodology. It argues that case studies, statistical methods, and formal models are complementary rather than competitive. The book explains how to design case study research that will produce results useful to policymakers and it emphasizes the importance of developing policy-relevant theories. It offers three major contributions to case study methodology: an emphasis on the importance of within-case analysis, a detailed discussion of process tracing, and development of the concept of typological theories. Case Studies and Theory Development in the Social Sciences will be particularly useful to graduate students and scholars in social science methodology and the philosophy of science, as well as to those designing new research projects, and will contribute greatly to the broader debate about scientific methods.
    Type of Medium: Monograph available for loan
    Pages: xv, 331 Seiten , 24cm
    ISBN: 0262072572 , 9780262072571 , 0262572222 , 9780262572224
    Series Statement: BCSIA studies in international security
    Language: English
    Branch Library: RIFS Library
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  • 11
    Call number: ZSP-SCAR-570-10
    In: National Antarctic Research Report to SCAR, 10
    Type of Medium: Series available for loan
    Pages: 61 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 10
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Members of Permanent Working Groups and Groups of Specialists of SCAR. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 1987 - October 1988. - II. Planned Activities, October 1988 - October 1989. - References. - Addenda to Former Reports. - Index of Activities.
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  • 12
    Call number: ZSP-SCAR-570-9
    In: National Antarctic Research Report to SCAR, No. 9
    Type of Medium: Series available for loan
    Pages: 34 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 9
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Members of Permanent Working Groups and Groups of Specialists of SCAR. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 1986 - October 1987. - II. Planned Activities, October 1987 - October 1988. - References. - Addenda to Former Reports. - Index of Activities.
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  • 13
    Call number: ZSP-SCAR-570-6
    In: Antarctic Research Report to SCAR, No. 6
    Type of Medium: Series available for loan
    Pages: 38 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 6
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 83-October 84. - II. Planned Activities, October 84-October 85. - References.
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  • 14
    Call number: ZSP-SCAR-570-3
    In: National Antarctic Research Report to SCAR, No. 3
    Type of Medium: Series available for loan
    Pages: 16 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 3
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 80-October 81. - II. Planned Activities, October 81-October 82. - References.
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  • 15
    Series available for loan
    Series available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute of Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-91927-3
    In: Third Working Meeting Radioisotope Application and Radiation Processing in Industry, Vol. 3
    Type of Medium: Series available for loan
    Pages: XIX, Seite 749-1095 , Illustrationen
    Language: English
    Note: VOLUME III PART 2 : POSTER CONTRIBUTIONS (continued) M. Braune: SIMPLIFIED MATHEMATICAL MODELS FOR BACKSCATTERING OF X-RAYS H.-W. Thümmel, G. Korner, J.W. Leonhardt: STATE AND PERFORMANCE OF ON-STREAM ASH CONTENT DETERMINATION IN LIGNITE AND BLACK COAL USING THE 2-ENERGY TRANSMISSION TECHNIQUE H.-W. Thümmel, G. Korner, Oh. Beutel, W. Riedel, U. Gräfenhain, J.W. Leonhardt: KRAS-2 - A GAUGE FOR THE ON-STREAM DETERMINATION OF THE ASH CONTENT IN RAW LIGNITE AT POWER STATIONS D. Fritzsche, H.-W. Thümmel: A SCATTER MODEL FOR CAlCULATION OF GAMMA RAY INTENSITIES IN SCATTER-TRANSMISSION GEOMETRY L. Meray, E. Hazi: DECONTAMINATION TEST WITH ISOTOPE INDUCED X-RAY FLUORESCENCE METHOD H. Silveira da Silva: CALCULATION OF THE DOSIMETER RESPONSE AS A FUNCTION OF THE GAMMA RADIATION ENERGY L. Wawrzonek, J. Parus: OPTIMIZATION OF RADIOMETRIC METHOD OF ASH CONTENT DETERMINATION IN BROWN COAL SAMPLES G. Körner, G. Fischer, D. Fritzsche, J.W. Leonhardt, K. Rosenbaum, H.-W. Thümmel: EXPERIENCE IN RADIOMETRIC ON-LINE DETERMINATION R. Göldner, E. Maul, D. Wagner: FAST NEUTRON ACTIVATION ANALYSIS OF BROWN COAL SAMPLES FOR SILICON AND ASH B. Heinrich, K. Irmer, R. Pötschke: FAST ANALYSIS OF CARBON CONTENT BY INELASTIC SCATTERING OF NEUTRONS H.-W. Thümmel, M. Frenzel, D. Fritzsche, T. Cechak, J. Kluson: INFLUENCE OF SAMPLE INHOMOGENEITIES ON THE SIGNAL OF 60 keV SCATTER-TRANSMISSION ASH GAUGES W. Michel, U. Paul, D. Luther, H.-G. Könnecke, H.-C. Abendroth: STUDIES ON THE RESIDENCE TIME BEHAVIOUR OF TECHNICAL GRAIN SIZES IN FLUIDIZED BEDS Z. Kolar, J. Thýn, W. Martens, A. Korving: THE MEASUREMENT OF GAS RESIDENCE TIME DISTRIBUTION IN A PRESSURIZED FLUIDIZED-BED COMBUSTOR USING 41Ar AS RADIOTRACER E. Iller, B.J. Trznadel: OPERATION EFFICIENCY ASSESSMENT OF LOOP REACTOR FOR COAL LIQUEFACTION, ON THE GROUNDS OF RADIOTRACER INVESTIGATIONS K. Wagner, T. Grätsch, J. Schüttau: PROCESS ANALYSIS OF THE TECHNOLOGY FOR THE PRODUCTION OF GRAPHITE ELECTRODES BY THE AID OF RADIOISOTOPES G. Krüger, V. Kliem, M. Kreher, N. Boy: A COMPUTER-AIDED X-RAY FLUORESCENCE ANALYZER WITH RADIONUCLIDE EXCITATION H. Firganek, A. Żak, J. Siewierski, S. Zielienski: RADIOISOTOPE INVESTIGATIONS OF WATER LEACHING OF VANADIUM COMPOUNDS FROM POLYMETALLIC ORE D. Degering, S. Unterricker: DETERMINATION OF SMALL YTTRIUM CONCENTRATIONS IN GEOLOGICAL SAMPLES BY CHARGED PARTICLE ACTIVATION ANALYSIS J. Parus: DETERMINATION OF RARE EARTH ELEMENTS WITH RADIOISOTOPE EXCITED X-RAY FLUORESCENCE E. Kowalska, P. Urbański, D. Wagner, H. Bruchertseifer: DETERMINATION OF SILVER CONTENT IN SOME CARRIER MATERIALS BY X-RAY FLUORESCENCE TECHNIQUE L. Rowinska, L. Waliś, W. Dalecki, M. Kusowski: EFFICIENCY OF METAL PURIFICATION BY VACUUM DISTILLATION TECHNIQUE A. Salamon, Z. Demendy: AN EXPERIMENTAL AND THEORETICAL STUDY FOR THE MOTION AND TRAPPING OF INCLUSIONS DURING CONTINUOUS CASTING OF STEEL L. Petryka, Z. Stegowski, L. Furman: COMPLEX INVESTIGATIONS OF COPPER ORE DRESSING PROCESS L. Petryka, Z. Stegowski, L. Furman: MODELLING OF COPPER ORE CONCENTRATION PROCESS J. Palige: RADIOTRACER INVESTIGATION OF THE COPPER PRODUCTION FLASH PROCESS R. Rachlitz, J. Holzhey, W. Böhme, H. Bohmeier, H. Gärtner: SULPHUR DISTRIBUTION, PRINCIPLE OF SOLIDIFICATION AND THE MORPHOLOGY OF THE LIQUID-SOLID INTERFACE IN CONTINOUS COPPER CASTING H. Jaskolska., L. Waliś, C. Janusz: INVESTIGATIONS OF CALCIUM DISTRIBUTION IN GGG MONOCRYSTALS BY MEANS OF LABELLED ATOMS METHOD M. Harasimowicz, J. Palige: RADIOTRACER INVESTIGATIONS OF THE GLASS MELTING PROCESS IN TANK FURNACES G. Philipp, H. Hippius, K. Köpping, H. Ulrich: SUITABILITY OF DIFFERENT RADIOTRACERS FOR IDENTIFICATION OF HOMOGENIZING PROCESSES IN GLASS MELTING FURNACES H. Kupsch, W. Heller: AN ACCELERATOR PRODUCED SHORT-LIVED RADIONUCLIDE FOR THE TRACERTECHNIQUE OF GYPSUM IN A LARGE SCALE PRODUCTION PLANT OF GAS CONCRETE W. Stuchlik, A. Knobloch, B. Kupsch, H.-W. Thümmel, S. Volker: RADIOMETRIC RESIDUAL VOLUME MONITORING IN LARGE BINS USING A MICROCOMPUTER D. Eckstein, H.-G. Jäckel, H. Stechemesser, D. Espig: RADIAL DISTRIBUTION OF MATERIAL IN A BOND MILL DETERMINED BY RADIOTRACER TECHNIQUE A. Zeuner, K. Henning, M. Kiessling: INVESTIGATION OF THE MATERIAL TRANSPORT BEHAVIOUR OF TUBE- AND TROUGH- VIBRATION MILLS BY RADIOACTIVE INDICATORS H. Kupsch, W. Heller: A METHOD FOR THE DETERMINATION OF THE EFFICIENCY OF A WET MIXER K.-D. Weißenborn, H.-P. Chowanetz, H. Ulrich, K. Köpping: RADIOTRACER INVESTIGATIONS IN LARGE HOMOGENIZATION SILOS TO DETERMINE THE MOTION OF PARTICLES OF DIFFERENT SIZES G.-J. Beyer, M. Böttger, K. Eichhorn, H. Guratzsch, H. Kupsch, K. Regel, G. Winter: USING OF THE ROSSENDORF CYCLOTRON U-120 IN SCIENCE, MEDICINE AND TECHNOLOGY M. Waiblinger, T. Kuhrt, H. Bergmann, K. Hertwig, K. Köpping, H. Ulrich: RADIOTRACER INVESTIGATIONS IN ELECTROLYSE CELLS - SPECIAL PROBLEMS AND USE FOR PROCESS CONTROL K.-D. Rauchstein, H. Leder, W. Walter, K. Köpping, H. Ulrich: RADIOTRACER INVESTIGATIONS IN TECHNICAL MULTIPHASE SYSTEMS AND PRACTICAL USE FOR THE VALUATION OF HYDRODYNAMIC CONDITIONS IN CHEMICAL MULTISTAGE COLUMNES E. Iller, T. Klimkiewicz: OPERATION ANALYSIS OF DIGESTER IN THE CONTINUOUS COOKING PROCESS OF PINEWOOD CHIPS, ON THE GROUNDS OF RADIOTRACER INVESTIGATIONS H. Vocke: DETERMINATION OF RESIDENCE TIME DISPERSION OF POLYMER MELTS IN SPINNING MACHINES BY TRACER APPLICATION J. Flachowsky, H.-H. Deicke: A SIMPLE MONITORING TECHNIQUE TO MEASURE THE RADIOACTIVITY LEVEL OF MEMBRANE FILTERS J. Flachowsky: DETERMINATION OF THE KINETICS OF TRACE ELEMENT ADSORPTION ON SEMICONDUCTOR SURFACES USING RADIOANALYTICAL AND AUTORADIOGRAPHIC METHODS
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  • 16
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-87/15
    In: CRREL Report, 87-15
    Description / Table of Contents: Constant strain-rate tension tests were conducted on remolded saturated frozen Fairbanks silt at various temperatures, strain rates, and densities. It was found that the critical strain rate of the ductile-brittle transition is not temperature-dependent at temperatures down to -5°C, but varies with density. The peak tensile strength decreases considerable with decreasing strain rate for ductile failure, but it decreases slightly with increasing strain rate for brittle fracture. The failure strain remains almost constant at temperatures lower than about -2°C, but it varies with density and strain rate at -5°C. The initial tangent modulus is independent of strain rate and increases with decreasing temperature and density.
    Type of Medium: Series available for loan
    Pages: v, 29 Seiten , Illustrationen
    Series Statement: CRREL Report 87-15
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Testing Material Specimen preparation Testing procedure and apparatus Results Discussion Peak tensile strength, σm Failure tensile strain, ϵf Initial tangent modulus and 50% peak strength modulus Discussion of test techniques Conclusions Literature cited Appendix A: Physical properties of Fairbanks silt specimens Appendix B: Unfrozen water content data of Fairbanks silt with three typical water contents
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  • 17
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-87/21
    In: CRREL Report, 87-21
    Description / Table of Contents: The author measured time series of longitudinal (u) and vertical (w) velocity and temperature (t) and humidity (q) fluctuations with fast-responding sensors in the near-neutrally stable surface layer over a snow-covered field. These series yielded individual spectra and u-w, w-t, w-q and t-q cospectra, phase spectra and coherence spectra for nondimensional frequencies (fz/U) from roughly 0.001 to 10. With the exception of the u-w cospectra, all the spectra and cospectra displayed the expected dependence on frequency in an inertial or inertial-convective subrange. All, however, contained significantly more energy at low frequency than the Kansas neutral-stability spectra and cospectra. This excess low-frequency energy and the erratic behavior of the u-w cospectra imply that forested hills bordering the site on two sides were producing disturbances in the flow field at scales roughly equal to the height of the hills, 100 m. The phase and coherence spectra suggest that internal gravity waves were also frequently present, since the atmospheric boundary layer generally had slightly stable stratification. Consequently, at this complex site, turbulence alone determines the spectra and cospectra at high frequency; at low frequency the spectra and cospectra reflect a combination of topographically generated turbulence and internal waves. From the measured temperature and humidity spectra and the t-q cospectra, the author computed refractive index spectra for light of 0.55-micrometer and millimeter wavelengths. The refractive index spectra had shapes like the other scalar spectra: excess energy at low frequency and an inertial-convective subrange at high frequency.
    Type of Medium: Series available for loan
    Pages: v, 50 Seiten , Illustrationen
    Series Statement: CRREL Report 87-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Measurements Spectra u and w velocity spectra Temperature and humidity spectra Inertial-dissipation estimates Cospectra u-w cospectra w-t and w-q cospectra t-q cospectra Refractive index spectra Conclusions Literature cited
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  • 18
    Call number: ZSP-SCAR-570-7
    In: National Antarctic Research Report to SCAR, No. 7
    Type of Medium: Series available for loan
    Pages: 37 Seiten , 2 Beilagen
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 7
    Language: English
    Note: 1 Kartenbeilage unter dem Titel: Neuschwabenland (West) 〈1 : 2.000.000〉, Bildflugroutenübersicht Antarktis-Expediton 1983/84 = Aerial Survey Route Map. - 2. Ausgabe. - Frankfurt am Main : Institut für Angewandte Geodäsie (IfAG), 1985. , 1 Beilage unter dem Titel: Supplement to National Antarctic Research Report to SCAR, No. 7 (July 1985) , Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Members of Permanent Working Groups and Groups of Specialists of SCAR. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 84-October 85. - II. Planned Activities, October 1985 - October 1986. - References. - Addenda to Former Reports. - Index of Activities.
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  • 19
    Call number: ZSP-SCAR-570-4
    In: National Antarctic Research Report to SCAR, No. 4
    Type of Medium: Series available for loan
    Pages: 24 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 4
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 81-October 82. - II. Planned Activities, October 82-October 83. - References.
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  • 20
    Call number: AWI P2-90-0247
    Type of Medium: Monograph available for loan
    Pages: ca. 200 ungezählte Seiten , Illustrationen
    Language: English
    Note: TABLE OF CONTENTS. PART ONE: HISTORY AND DEVELOPMENTS OF ANTARCTIC COMMUNICATIONS. - CONSIDERATION OF TELECOMMUNICATIONS BY SCAR AND ANTARCTIC TREATY CONSULTATIVE PARTIES. - ANTARCTIC TREATY RESOLUTIONS ON ANTARCTIC COMMUNICATIONS. - WMO RESOLUTIONS AND PRINCIPLES ON ANTARCTIC COMMUNICATIONS. - 1. Introduction. - 2. Engineering principles of the GTS. - 3. Functions and responsibilities of Meteorological Telecommunications Centres. - 4. Characteristics of the networks of the GTS. - 5. Operational principles of the GTS. - 6. The transmission of meteorological data on the GTS. - 7. Collection and transmission of meteorological data. - 8. Data processing. - 9. Telecommunications system. - 10. Weather reporting by traverse parties. - 11. Automatic weather stations in the Antarctic. - 12. AIREP reports. - 13. Mobile ship stations. - OTHER RELEVANT RECOMMENDATIONS AND RESOLUTIONS. - APPENDICES. - APPENDIX I. - Manual on the Global Data Processing System. - Vol. II - regional aspects, the Antarctic. - Data-processing and meteorological service activities in the Antarctic. - APPENDIX II. - Stations and observational programs comprising the Basic Synoptic Network in the Antarctic. - APPENDIX III. - Network of CLIMA T and CLIMAT TEMP reporting stations in the Antarctic. - APPENDIX IV. - Summary information of the collection of meteorological observational data by individual centres. - APPENDIX V. - Manual on the Global Telecommunications System. - Vol. II - regional aspects, the Antarctic. - Antarctic data telecommunications arrangements. - , TABLE OF CONTENTS. PART TWO: INTRODUCTION TO PART TWO. - RADIO PROCEDURES IN ANTARCTICA. - Introduction. - Distress and emergency procedures. - Control of circuits. - Traffic procedures. - USES OF CODES AND ABBREVIATIONS. - General. - Radio telegraphy. - Radio telephony. - Signal reporting codes. - Unofficial codes. - RADIO TELEPHONE OPERATIONS. - RADIO TELEPRINTER (RTTY) PROCEDURE. - General. - Preparation of teleprinter tapes. - General message format. - METEOROLOGICAL MESSAGES. - Introduction. - Format of meteorological messages. - Addressed messages. - Additional procedures. - Types of meteorological data messages. - List of stations carrying out meteorological observations. - Radio facsimile broadcasts of meteorological analyses charts. - Radio Teletype broadcasts of coded meteorological data. - ANTARCTIC STATIONS FITTED WITH INMARSAT FACILITIES. - EXCHANGE INFORMATION ON ANTARCTIC TELECOMMUNICATIONS. - EQUIPMENT AND SCHEDULES.
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  • 21
    Call number: M 19.92455
    Type of Medium: Monograph available for loan
    Pages: 178 Seiten , Illustrationen
    ISBN: 9789090240619
    Language: English
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  • 22
    Monograph available for loan
    Monograph available for loan
    Zürich : World Glacier Monitoring Service
    Call number: AWI G7-19-92411
    Type of Medium: Monograph available for loan
    Pages: 88 Seiten , Illustrationen
    ISBN: 9789280728989
    Language: English
    Note: Contents Foreword by UNEP Foreword by WGMS Summary 1 Introduction 2 Glaciers and climate 3 Global distribution of glaciers and ice caps 4 Glacier fluctuation series 5 Global glacier changes 6 Regional glacier changes 6.1 New Guinea 6.2 Africa 6.3 New Zealand 6.4 Scandinavia 6.5 Central Europe 6.6 South America 6.7 Northern Asia 6.8 Antarctica 6.9 Central Asia 6.10 North America 6.11 Arctic Islands 7 Conclusions References Appendix 1 - National Correspondents of the WGMS Appendix 2 - Meta-data on available fluctuation data
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  • 23
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/43
    In: CRREL Report, 82-43
    Description / Table of Contents: The radar signatures of ice wedges and wedge-like structures have been investigated for a variety of soil conditions. The radar used for this study emitted short sinusoidal pulses of about 10-ns duration with an approximate center frequency of 150 MHz. Most of the ice wedges existed at depths of about 1 m in a variety of silty and sandy soils with both frozen and thawed active layers. The position of the wedges was usually identified from corresponding surface features. An artificial ice wedge in coarse-grained alluvium was also profiled as well as wedge-like structures of fine silt in a coarse-grained glacial outwash. All wedges and wedge-like structures produced a hyperbolic reflection profile except when an active layer of thawed, saturated silt was present which eliminated returns from the wedges. The peaks of the hyper-bolas were sometimes masked by reflections from the permafrost table or other material interfaces, and multiple hyperbolas occurred at some sites. The dielectric constant of the host medium was often calculated from the linear portions of the hyperbolas and the results were verified by laboratory time domain reflectometry measurements per-formed on field samples. In some cases, hyperbolic profiles originated at several meters depth suggesting that deep ice wedges could be detected in areas of cold permafrost.
    Type of Medium: Series available for loan
    Pages: iv, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 82-43
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Objectives and procedures Equipment used Radar TDR Definitions Massive ice Results Artificial wedge: Norwich, Vermont Ice wedges in sand: Fish Creek, Alaska Ice wedges: Prudhoe Bay, Alaska Ice wedges under thawed fine-grained soils: North Slope, Alaska Wedge-like soil structures: Ft. Greely, Alaska TDR measurements Summary and concluding remarks Literature cited Appendix A: Brief discussion of dispersion
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  • 24
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/11
    In: CRREL Report, 83-11
    Description / Table of Contents: Investigations of ground radar performance over thawed and seasonally frozen silts, and sands and gravels containing artificial and natural reflectors were carried out in Alaska. The radar emitted 5-10 ns pulses, the center frequency of which was approximately 150 MHz. The artificial reflectors were metal sheets and discs and the natural reflectors were the groundwater table and interfaces between frozen and thawed material. The water table was profiled at three sites where the subsurface material was coarse-grained alluvium. Dielectric constants of 16 to 18 were measured for the thawed silts, 6 to 7 for the frozen silts and 3 to 9 for the sands and gravels. Signal penetration in the thawed high moisture content silts may be achieved only by use of a lower frequency radar, whereas in the sands and gravels greater depths may be detected with more sophisticated signal processing.
    Type of Medium: Series available for loan
    Pages: 16 Seiten , Illustrationen
    Series Statement: CRREL Report 83-11
    Language: English
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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-201-83/17
    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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  • 26
    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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  • 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-201-83/29
    In: CRREL Report, 83-29
    Description / Table of Contents: A literature review indicated that the effects or permafrost on streambank erodibility and stability are not yet understood because systematic and quantitative measurements are seriously lacking. Consequently, general controversy exists as to whether perennially frozen ground inhibits lateral erosion and bankline recession, or whether it increases bank recession rates. Perennially frozen streambanks erode because of modification of the bank's thermal regime by exposure to air and water, and because of various erosional processes. Factors that determine rates and locations of erosion include physical, thermal and structural properties of bank sediments, stream hydraulics and climate. Thermal and physical modification of streambanks may also induce accelerated erosion within permafrost terrain removed from the immediate river environment. Bankline or bluffline recession rates are highly variable, ranging from less than 1 m/year to over 30 m/year and, exceptionally, to over 60 m/year. Long-term observations of the physical and thermal erosion processes and systematic ground surveys and measurements of bankline-bluffline recession rates are needed.
    Type of Medium: Series available for loan
    Pages: iv, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 83-29
    Language: English
    Note: CONTENTS Abstract Preface Introduction Stream bank erosional processes Permafrost and related factors Permafrost and erosion General Erosional processes Bank zone processes Bluff zone processes Factors affecting perm afrost erodibility Exposure to currents and wind waves Texture and stratigraphy Ice content, distribution and type Slope aspect Coriolis force Timing and depth of thaw Water level and temperature Vegetation Ice and snow cover Groundwater Rates and timing of erosion and recession Overall effects of permafrost Recommendations for research Literature cited Appendix A : Processes of stream bank modifications
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  • 28
    Call number: ZSP-201-86/3
    In: CRREL Report, 86-3
    Description / Table of Contents: Experiments to study the melting of a horizontal ice sheet with a flow of water above it were conducted in a 35 m long refrigerated flume with a cross section of 1.2x1.2 m. Water depth, temperature, and velocity were varied as well as the temperature and initial surface profile of the ice sheet. The heat transfer regimes were found to consist of forced turbulent flow at high Reynolds numbers with a transition to free convection heat transfer. There was no convincing evidence of a forced laminar regime. The data were correlated for each of the regimes, with the Reynolds number, Re, or the Grashof number combined with the Reynolds number as Gr/Re to the 2.5 power used to characterize the different kinds of heat transfer. For water flowing over a horizontal ice sheet, the melting heat flux, for low flow velocities, was not found to drop below the value for the free convection case-488.5 W/sq m-as long as the water temperature exceeds 3.4 C. This is significant since the free convection melt values far exceed those for laminar forced convection. At the low flow velocities, the melting flux was not dependent upon the fluid temperature until the water temperature dropped below 3.4 C, when q sub c = 135.7 (Delta T). In general, the heat transfer was found to significantly exceed that of non-melting systems for the same regimes. This was attributed to increased free stream turbulence, thermal instability due to the density maximum of water near 4 C, and the turbulent eddies associated with the generation of a wavy ice surface during the melting.
    Type of Medium: Series available for loan
    Pages: vii, 85 Seiten , Illustrationen
    Series Statement: CRREL Report 86-3
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Non-melting heat transfer relations for horizontal surfaces Heat transfer for melting horizontal ice sheets Instrument setup, data acquisition and test procedures General Instrumentation Data acquisition Computer software Test procedures Data output from computer Equations used for data analysis Control volume and melting surface Control of variables Error analysis Experimental results and discussion Wave formation Temperature and velocity profiles in open channel flow Correlation of data Summary Literature cited Appendix A: Conversion equations for data acquisition equipment Appendix B: Computer code for data acquisition and analysis Appendix C: Typical test output Appendix D: Thermal properties of water and ice Appendix E: Error analysis Appendix F: Summary of test conditions Appendix G: Experimental data and calculated quantities, with inlet length
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  • 29
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/9
    In: CRREL Report, 86-9
    Description / Table of Contents: The bulk aerodynamic transfer coefficients for sensible (C sub H) and latent (C sub E) heat over snow and sea ice surfaces are necessary for accurately modeling the surface energy budget but are very difficult to measure. This report therefore presents a theory that predicts C sub H and C sub E as functions of the wind speed and a surface roughness parameter. The crux of the model is establishing the interfacial sublayer profiles of the scalars, temperature and water vapor, over aerodynamically smooth and rough surfaces. These interfacial sublayer profiles are delivered from surface-renewal model in which turbulent eddies continually sweep down to the surface, transfer scalar contaminants across the interface by molecular diffusion, and then burst away. Matching the interfacial sublayer profiles with the usual semilogarithmic inertial sublayer profiles yields the roughness lengths for temperature and water vapor. With these and a model for the drag coefficient over snow and sea ice based on actual measurements, the transfer coefficients are predicted. C sub E is always a few percent larger than C and H. Both decrease monotonically with increasing wind speed for speeds above 1 m/s, both increase at all winds speeds as the surface gets rougher. Both, nevertheless, are almost between 0.0010 and 0.0015.
    Type of Medium: Series available for loan
    Pages: vi, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 86-9
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Aerodynamically rough surface Aerodynamically smooth surface Scalar transfer coefficients Conclusions Literature cited
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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-201-86/8
    In: CRREL Report, 86-8
    Description / Table of Contents: In this work, numerical computations of heat transfer for freezing a shaft wall have been conducted. Both fixed mesh and deforming mesh finite-element methods are used. In the fixed mesh method, latent heat effects are accounted for through a δ function in the apparent heat capacity. In the deforming mesh method, an automatic mesh-generation technique with transfinite mappings is used, and in this method two different approaches are taken to evaluate the movement of the interface. The freeze-pipes are considered as point sources with irregular distribution. The advancement of the inner and outer boundaries of the frozen wall is found to be in agreement with the previously computed results
    Type of Medium: Series available for loan
    Pages: iii, 31 Seiten , Illustrationen
    Series Statement: CRREL Report 86-8
    Language: English
    Note: CONTENTS Abstract Preface Introduction Basic finite-element formulas Description of problem Finite-element equation-fixed mesh Finite-element equation-deforming mesh Transfinite mapping technique Computations and conclusions Literature cited Appendix A : Point heat sources Appendix B: Evaluation of the integral including latent heat (fixed mesh) Appendix C: Specification of [K] -deforming mesh Appendix D: Specifying δΤ/δn and the direction of mj for method I Appendix E: Procedures of method 2 Appendix F: Explanation of programs
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  • 31
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/32
    In: CRREL Report, 84-32
    Description / Table of Contents: Orwell Lake, in west-central Minnesota, is a flood-control, water-management reservoir first impounded in 1953. Subsequent erosion of the shoreline and a lack of knowledge of slope erosion processes in this region prompted this study to identify and quantify the processes there. The processes were measured at selected sites between June 1980 and June 1983. Erosion of the banks is primarily caused by three processes: rain, frost thaw, and waves. The first two processes tend to move sediment to the base of the steep slopes, forming 4 relatively gentle surface of accumulation. Wave action then tends to move this sediment into the lake. Analysis of the data collected over three years has confirmed that wave action is the dominant erosion process, providing almost 77% of the erosion during the 1981-82 study year. During the 1981 high pool level, 2,089 Mg of sediment, mostly colluvium, was removed from the lower slopes by wave action striking the 1.62 km of eroding shoreline. More than 4,300 Mg was eroded by waves accompanying the higher pool levels of 1982., During years in which the pool level does not exceed 325.5 m in elevation, the colluvium slope builds up at the expense of the steeper slope. But during successive years with higher pool levels, the resulting thin colluvium is quickly eroded. Erosion of the primary sediment, a compact till, then occurs, forming the S typical nearly vertical banks. In winter the upland surface adjacent to the lake freezes to a depth of between 1 and 2 m, depending on the surface temperature, the mow cover, and the distance from exposed banks. In late winter soil aggregates, released by the sublimation of interstitial ice within the banks, begin to accumulate at the base of the slopes, often veneering snowbanks there. Once thaw begins, slab failure of bank sediment is followed by mudflows and earthflows. Thaw failure at Orwell Lake in the winter of 1981-82 accounted for over 20% of the erosion; in the spring of 1982, 824 Mg was eroded by this process and 746 Mg the following spring. Such slope failure is most intense along north-facing banks and considerably less intense on south-facing banks, where more effective desiccation and sublimation reduce the soil moisture content. Summer rainfall is responsible for the remaining 3% of the total erosion, amounting to 102 Mg in 1981 and 208 Mg in 1982. Because the banks are steep and relatively short, rainwash is infrequent; rainsplash is the most consistent process during the summer, but the infrequent storms during which rainwash occurscause greater total erosion. Erosion by rain has increased in each of the past three summers, largely because of increased precipitation. Infrequent massive slope failures (slumps) have occurred at the east end of the lake where a buried clay rich unit is stratigraphically and topographically positioned to favor such failures. Drought years followed by heavy spring rains probably will result in additional slope failures of this type at the east end. Unless changes are made, the banks at Orwell Lake will continue to recede. Restriction of the pool level to less than 325.5-m elevation is the least expensive solution to the problem.
    Type of Medium: Series available for loan
    Pages: ix, 110 Seiten , Illustrationen
    Series Statement: CRREL Report 84-32
    Language: English
    Note: CONTENTS Abstract Preface Summary Chapter 1. Introduction Location Purpose of study Previous work Chapter 2. Methodology Geology Overland erosion Wave erosion Frost penetration and heave Thaw failure Bank recession Ground water Soil moisture Chapter 3. Results Geology Geotechnical properties Overland erosion Wave erosion Freeze-thaw phenomena Ground water fluctuations Other slope failures Chapter 4. Discussion Overland erosion Wave erosion Thaw failure Universal soil loss equation Chapter 5. Summary and conclusions Techniques Erosion processes at Orwell lake Bank recession Literature cited Appendix A1: Average cumulative change of surface at erosion stations #2-12, 1980-81 Appendix A2: Cumulative net changes at overland erosion stations #1-12, 1980-81 Appendix A3: Cumulative net changes at overland erosion stations #1 -12, 198 1-82 Appendix A4: Cumulative average erosion at overland erosion stations #1-12, 1980-81 Appendix AS: Cumulative average erosion at overland erosion stations #1-12, 1981-82 Appendix A6: Cumulative average erosion at overland erosion stations #1 -1 2A, 1982 Appendix B: Dimensions of erosion sections, Orwell Lake, Minnesota Appendix C: Piezometer installation data, Orwell Lake, Minneso
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  • 32
    Call number: MOP 46646 / Mitte
    Type of Medium: Monograph available for loan
    Pages: IX, 221 Seiten
    Language: English
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  • 33
    Call number: MOP 46647 / Mitte
    Type of Medium: Monograph available for loan
    Pages: VIII, 162 Seiten
    Language: English
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  • 34
    Call number: MOP 46624 / Mitte
    In: Effects of changes in stratospheric ozone and global climate
    Type of Medium: Monograph available for loan
    Pages: 4 Bände
    Series Statement: Effects of changes in stratospheric ozone and global climate
    Language: English
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  • 35
    Call number: MOP 46624/1 / Mitte
    In: Effects of changes in stratospheric ozone and global climate
    Type of Medium: Monograph available for loan
    Pages: VII, 379 Seiten
    Series Statement: Effects of changes in stratospheric ozone and global climate 1
    Language: English
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  • 36
    Call number: MOP 46624/2 / Mitte
    In: Effects of changes in stratospheric ozone and global climate
    Type of Medium: Monograph available for loan
    Pages: VII, 319 Seiten
    Series Statement: Effects of changes in stratospheric ozone and global climate 2
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  • 37
    Call number: MOP 46624/3 / Mitte
    In: Effects of changes in stratospheric ozone and global climate
    Type of Medium: Monograph available for loan
    Pages: VI, 293 Seiten
    Series Statement: Effects of changes in stratospheric ozone and global climate 3
    Language: English
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  • 38
    Call number: MOP 46624/4 / Mitte
    In: Effects of changes in stratospheric ozone and global climate
    Type of Medium: Monograph available for loan
    Pages: VI, 193 Seiten
    Series Statement: Effects of changes in stratospheric ozone and global climate 4
    Language: English
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  • 39
    Monograph available for loan
    Monograph available for loan
    Boston, Massachusetts : American Meteorological Society
    Call number: MOP 46673 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XIV, 276 Seiten
    Language: English
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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-201-82/24
    In: CRREL Report, 82-24
    Description / Table of Contents: Velocity data derived from petroleum industry seismic records from Harrison Bay show that high-velocity material ( or = 2 km/s) interpreted to be ice-bonded permafrost is common. In the eastern part of the bay, the depth to high velocity material increases and velocity decreases in an orderly manner with increasing distance from shore until the layer is no longer apparent. The western part of the bay is less orderly, possibly reflecting a different geological and thermal history. This western part may be an inundated section of the low coastal plain characterized by the region north of Teshekpuk Lake, and could have contained deep thaw lakes, creating low velocity zones. Along some seismic lines, the high-velocity material extends approximately 25 km offshore. Two anomalies have been found which could be associated with rapidly degrading permafrost. One is strong attenuation, which was interpreted as an indication of gas in the shallow deposits. The other is the presence of considerable seismic noise, including identifiable small seismic events. The origin of this noise has not been positively established, and it is proposed that it may indicate that some movement is occurring in the sediments due to thaw.
    Type of Medium: Series available for loan
    Pages: 65 Seiten , Illustrationen
    Series Statement: CRREL Report 82-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods Reading records Refractions Reflections Rayleigh waves Spatial resolution Anomalies Results and discussion Seismic velocity distribution Attenuation Low-level natural seismicity Summary Literature cited Appendix A: Error estimates Appendix B: Velocity profiles Appendix C: Seismic cross sections
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  • 41
    Call number: ZSP-201-82/26
    In: CRREL Report, 82-26
    Description / Table of Contents: The Caribou-Poker Creeks Research Watershed is a small (101.5-sq km) drainage basin located 48 km northwest of Fairbanks, Alaska. Elevations within the watershed range from 210 to 826 m, and approximately 28% of its area is underlain by permafrost. Climatic differences between the watershed and Fairbanks are primarily due to the higher elevation of the watershed. Generally the watershed climatic sites are warmer in winter and cooler in summer than Fairbanks. Within the watershed the greatest temperature contrasts exist in winter, when the valley-bottom sites are beneath the regional air temperature inversion, and the higher sites are above it. From May through September the total precipitation averages 270 mm, 1.47 times that received at Fairbanks. The annual precipitation is about 1.7 times that of Fairbanks. The historical precipitation record at Fairbanks indicates that summer precipitation was below the long-term normal in eight of the eleven years of watershed measurements (1969-1980); no climatic extremes occurred during this period. An analysis of annual streamflow data showed an inconsistency of baseflow recessions from year to year. The runoff-rainfall ratio for individual summer storms averaged 0.35 for Caribou Creek. Comparisons of spot discharge measurements of predominantly permafrost and non-permafrost subwatersheds showed that permafrost-dominated watersheds have a much flashier response to precipitation than non-permafrost watersheds. A comparison of the annual flow distribution of the watershed indicated that Caribou Creek has lower summer and higher winter discharges per unit area than the Chena or Salcha Rivers.
    Type of Medium: Series available for loan
    Pages: 42 Seiten , Illustrationen
    Series Statement: CRREL Report 82-26
    Language: English
    Note: CONTENTS Abstract Preface Introduction Setting Geology and soils Vegetation Climate Air temperature Precipitation Hydrology Annual and monthly runoff Individual storms Baseflow recessions Spatial flow variability Temporal flow variability Summary and conclusions Literature cited Appendix A: Station histories
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  • 42
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    Series available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute of Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-91927-1
    In: Third Working Meeting Radioisotope Application and Radiation Processing in Industry, Vol. 1
    Type of Medium: Series available for loan
    Pages: 375 Seiten , Illustrationen
    ISSN: 0323-8776
    Language: English
    Note: CONTENTS VOLUME I PART 1: PLENARY AND DISCUSSION LECTURES R.J.B. Hadden: RADIONUCLIDES FOR PROCESS CONTROL AND INSPECTION J. Guizerix: TRENDS AND OPEN QUESTIONS IN INDUSTRIAL TRACER APPLICATIONS A. S. Shtan, V. A. Mashinin Zh.I. Matalygina: NEUTRON ACTIVATION ANALYSIS OF GEOLOGICAL SAMPLES WITH THE APPLICATION OF RADIONUCLIDE NEUTRON SOURCES W. Michaelis: RADIONUCLIDES IN ENVIRONMENTAL RESEARCH AND PROTECTION J.K. Miettinen: RADIONUCLIDES IN ENVIRONMENT J. W. Leonhardt: RADIOISOTOPES IN ENERGETICS K. Przewlocki: APPLICATION OF NUCLEAR TECHNIQUES IN MINING INDUSTRY K. Wetzel: TRACERS IN GEOCHEMICAL AND ENVIRONMENTAL RESEARCH A. K. Pikaev: ENVIRONMENTAL APPLICATION OF RADIATION PROCESSING R. Otto: LABELLED COMPOUNDS FOR TRACER INVESTIGATIONS IN INDUSTRY R. Otto, H.-G. Könnecke, D. Luther, P. Hecht: RADIONUCLIDES FOR PROCESS ANALYSIS - PROBLEMS AND EXAMPLES Z. Málek: PRESENT STAGE OF CO-OPERATION OF THE CMEA MEMBER COUNTRIES IN THE FIELD OF ISOTOPE AND RADIATION TECHNOLOGY E.A. Abramyan: HIGH POWER ELECTRON ACCELERATORS IN RADIATION PROCESSING J. Sivinski: CURRENT AND FUTURE INITIATIVES OF THE U.S. DEPARTMENT OF ENERGY IRRADIATION PROGRAM ACTIVITIES J. Bös, J. Schmidt, U. Decker, H. Mai, L. Richter: ON THE APPLICATION OF SOME METHODS FOR THE INVESTIGATION OF RADIATION-INDUCED PROCESSES IN POLYETHYLENE H.-J. Heinrich, K. Posselt, W. Hädrich, L. Röhr, D. Flügge: ASPECTS OF IRRADIATION TECHNOLOGY CONCERNING THE CROSSLINKING OF CABLE AND WIRE INSULATIONS AND OF TUBES BY HIGH ENERGY ELECTRONS P. Popp, J.W. Leonhardt, G. Oppermann, H. Merten: THE HELIUM-DETECTOR: THEORY AND PRACTICE H.-H. Deicke: ASPECTS OF RADIATION PROTECTION IN THE APPLICATION OF RADIOTRACERS FOR RESEARCH IN INDUSTRIAL PLANTS
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  • 43
    Call number: ZSP-201-87/17
    In: CRREL Report, 87-17
    Description / Table of Contents: 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.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 87-17
    Language: English
    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
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  • 44
    Call number: ZSP-201-88/1
    In: CRREL Report, 88-1
    Description / Table of Contents: The Cornish-Windsor bridge is the longest covered bridge in the United States and has significant historical value. At a large peak flow, dynamic ice breakup of the Connecticut River can threaten the bridge and cause flood damage in the town of Windsor, Vermont. Throughout the 1985-86 winter we regularly monitored ice conditions, including a midwinter dynamic ice breakup on 27 January. We conducted controlled release tests over the operating range of the turbines at Wilder Dam upstream during both open water and ice cover conditions. These data and observations were analyzed in light of more than 60 years of temperature and discharge records. Our analysis indicates that river regulation presents alternatives for ice management that would minimize the probability of bridge damage and flooding during breakup. The flow can be regulated early in the winter to promote the growth of a stable ice cover, minimizing the total ice production in the reach. In the weeks prior to breakup, sustained releases and above-freezing air temperatures cause melting, weakening and gradual breakup of the ice, greatly reducing the flooding potential. Also, it is possible to produce a controlled ice breakup prior to an imminent natural event at lower stage and discharge. All of these ice control alternatives have associated power production costs.
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    Pages: iii, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 88-1
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Analysis of historical data Field observations Controlled release tests January 1986 ice breakup Connecticut River ice control Minimizing ice production Hydrothermal melting Controlled ice breakup Conclusions Literature cited Appendix A: Detailed ice breakup chronology
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  • 45
    Series available for loan
    Series available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute of Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-91927-4
    In: Third Working Meeting Radioisotope Application and Radiation Processing in Industry, Vol. 4
    Type of Medium: Series available for loan
    Pages: XIX, Seite1097-1458 , Illustrationen
    Language: English
    Note: VOLUME IV PART 2: POSTER CONTRIBUTIONS (continued) P. Rudolph, A. Lange, J. Flachowsky: THE DETERMINATION OF GOLD DEPTH DISTRIBUTION IN SEMICONDUCTOR SILICON - POTENTIAL INTERFERENCES INHERENT IN NAA BY RADIATION DAMAGES E. Hoentsch, J. Flachowsk: INVESTIGATION OF NICKEL-PLATING ON SEMICONDUCTOR SILICON WAFERS K. Mauersberger, J. Flachowsky: POSSIBLE LOSSES OF TRACE AND ULTRATRACE ELEMENTS DURING PRECONCENTRATION OF SEMICONDUCTOR-GRADE REAGENTS H. Wagler, J. Flachowsky: A SIMPLE CHEMICAL METHOD FOR THE SEPARATION OF PHOSPHORUS INTERFERING THE TRACE ELEMENT DETERMINATIONS BY NEUTRON ACTIVATION ANALYSIS IN HIGH DOPED SILICON WAFERS H.-J. Große, J . Adler, H.-R. Döring, H. Nietzschmann: APPLICATION OF THE AEROSOLIONIZATION GAS ANALYZER AIG IN MICROELECTRONICS M. Kosinova, P. Tendera: WEAR INVESTIGATION OF MACHINE PARTS BY CHARGED PARTICLES SURFACE ACTIVATION J. Kras: DETERMINATION OF SLIDE BEARINGS WEAR IN DIESEL ENGINES K. Eichhorn, P. Hammer, S. Turuc, Ch. Eifrig: PRECISE ACTIVATION FOR WEAR STUDIES AT THE ROSSENDORF TANDEM ACCELERATOR P. Hammer, K. Eichhorn, Ch. Eifrig: A STUDY OF WEAR IN REFRIGERATING MACHINES USING THIN LAYER ACTIVATION A. Kalicki., L. Waliś: THE PRINCIPLE OF THE β-X INTERNAL EXCITATION APPLICATION FOR DETERMINATION OF ELEMENTS IN THIN METALLIC FILMS E. Kowalska, P. Urbański: DETERMINATION OF TIN AND LEAD IN GALVANIC BATH AND LEAD IN Sn-Pb PLATINGS WITH SIMULTANEOUS COATING THICKNESS MEASUREMENT K. Mauersberger, B. Bayerl: DETERMINATION OF Tc-99 BY FLAME AAS B. Machaj, F. Zrudelny, A. Sikora, J. Jaszczuk: MICROPROCESSOR ISOTOPE GAUGES FOR MEASUREMENT OF COATING THICKNESS AND OF AIR DUST POLLUTION Z. Joks, M. Krejci: APPLICATION OF RADIOISOTOPES FOR CORROSION TESTS OF INDUSTRIAL PLASTICS G. Hartmann, P. Kulicke, C. Jonas, A. Walter: INVESTIGATION ON CHLORIDE-INITIATED STRESS CORROSION OF STAINLESS STEEL BY USE OF CHLORINE-36 AND AUTORADIOGRAPHY J. Flachowsky, P. Kulicke, G. Hartmann, N. Schütze: LOCALIZATION OF THE ORIGIN OF DEFECTS IN HIGH-CLASS CASTINGS BY RADIOTRACER TECHNIQUES AND AUTORADIOGRAPHY H. Kupsch, H. Bruchertseifer, W. Heller: METHOD FOR THE RAPID DETECTION OF LEAKAGES IN OIL PIPES A.G. Chmielewski: RADIOTRACERS IN SOME INDUSTRIAL AND ENVIRONMENTAL PROBLEMS S. Szpilowski, A. Owczarczyk: INVESTIGATION OF TRANSPORT OF EFFLUENT IN NATURAL STREAMS USING RADIOISOTOPE AND DYE TRACERS A. Owczarczyk, s. Szpilowski: APPLICATION OF RADIOISOTOPE TRACERS FOR BEDLOAD SEDIMENT TRANSPORT STUDY IN RIVERS AND MARINE BREAKER ZONE I. Röske, H.-C. Abendroth, D. Luther, H.-G. Könnecke: TRACER STUDIES ON THE REMOVAL OF WATER ENDANGERING SUBSTANOES FROM MUNICIPAL WASTE WATERS A. Zeuner, F. Hartmann: RESIDENCE TIME INVESTIGATION AND MATERIAL BALANCE FOR FRESH AND WASTE WATER IN A RAYON BY RADIOISOTOPE APPLICATION A.G. Chmielewski, A. Dobrowolski: THE FALL OF EQUALIZATION MYTH-RADIOTRACER INVESTIGATIONS OF THE CASE J. Halova, J. Schön, J. Thýn: THE ANALYSIS OF DATA FROM TRACER EXPERIMENTS WITH THE FLOW APPARATUSES FOR RADWASTE MANAGEMENT S. Mothes, P. Popp, G. Oppermann, J. Baumbach: AIR POLLUTION MEASUREMENTS WITH ELECTRON CAPTURE DETECTORS (ECD) C. Ghounchev: ACTIVATION ANALYSIS OF HEAVY METALS IN SOIL AND PLANTS IN SOME INDUSTRIAL REGIONS OF THE COUNTRY M. Borkowski, W. Smulek: RADIONUOLIDES IN STUDYING THE SORPTION OF METALS BY CHITIN AND CHITOSAN R. Bäuerlein: EVALUATION OF THE DEGREE OF CROSSLINKING OF HEAT SHRINKABLE PRODUCTS K. Posselt, W. Hädrich: CHARACTERIZATION OF THE DEGREE OF CROSS-LINKING IN RADIATION CROSS-LINKED LOW AND HIGH DENSITY POLYETHYLENES E. Takács: RADIATION CROSS-LINKING OF PLASTICIZED PVC WITH POLYFUNCTIONAL MONOMERS W. Hädrich, K. Posselt, C. Lippmann, H. Wagner, H.-J. Heinrich: DEPTH DOSE IN ELECTRON IRRADIATED POLYETHYLENE LAYERS IN DEPENDENCE ON THE ANGLE OF INCIDENCE U. Decker, J. Bös, L. Richter, M. Remer: CHARGE ACCUMULATION AND STORAGE IN POLYETHYLENE IRRADIATED WITH PULSES OF FAST ELECTRONS E. Jaworska: THE INFLUENCE OF IRRADIATION TEMPERATURE ON STRESSES IN DEFORMED POLYETHYLENE W. Hädrich, T. Nestler, K. Posselt: THERMAL STRESS IN THE POLYETHYLENE INSULATION OFCABLES DURING IRRADIATION WITH HIGH ENERGY ELECTRONS W. Pekala, T. Achmatowicz: POST-RADIATION GRAFTING OF METHACRYLIC ACID ONTO POLYETHYLENE FILM J. Schmidt, H. Mai: ELECTRON BEAM CURING OF COATINGS E. Jaworska, S. Wawrzak, I. Kaluska: HEAT SHRINKABLE TAPES IN POLAND A. Robalewski et al.: POLISH HEAT SHRINKABLE TUBING TECHNOLOGY S. Galant, W. Pekala, J. Rosiak: USING OF THE RADIATION TECHNOLOGY TO THE PREPARATION OF POLYMERIC MATRIX CAPABLE TO THE CONTROLLED RELEASE OF DRUG TO EYE R. Krejzler et al.: NEW ROUTINE POLYETHYLENE DOSIMETER: DOSE RANGE 40-400 kGy Z. Zimek: THE USE OF ELECTRICAL SENSORS OF RADIATION FOR DIGITAL CONTROL IN RADIATION PROCESSING Z. Bulhak et al.: RADIATION STERILIZATION WITH THE ELECTRON LINEAR ACCLERATOR LAE 13/9 M. Remer, W. Bogus, W. Pekala: FIRST EVALUATION OF THE GAMMA IRRADIATION CHAMBER OF THE TU ŁODZ BY MEANS OF THE CODES DOSKMF2 AND ISORADL O. Brede, R. Hermann, R. Mehnert: ORGANIC COOLANTS FOR NUCLEAR REACTORS W. Wroński, J. Wisłowski: THE LABORATORY TESTING SYSTEM FOR RADIATION RESISTANCE INVESTIGATIONS OF INTEGRATED CIRCUITS AUTHOR INDEX
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  • 46
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-87/19
    In: CRREL Report, 87-19
    Description / Table of Contents: The approximate heat balance integral method (HBIM) is extended to the case of a medium with variable properties such as snow. The case of linear variation of thermal conductivity was investigated. An alternative heat balance integral method (AHBIM) was developed. Both constant surface temperature and surface heat flux were considered. A comparison was made of the temperature distribution from the HBIM, AHBIM and an analytical method for the case of constant surface temperature. In general, results agree quite well with the analytical method for small values of dimensionless time τ, but the difference becomes more pronounced as τ increases. It was found that the AHBIM with a quadratic temperature profile gave a somewhat better result, especially when the value of the dimensionless distance η is small. For a specific property function of E(η) = eη, closed form solutions were obtained. The results, when compared with those from HBIM, AHBIM and the analytical method were found to agree exceptionally well with the analytical method, especially for large values of τ.
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    Pages: iv, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 87-19
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Mathematical analysis Constant surface temperature Constant surface heat flux Comparison with exact solution Alternative method Conclusions and comments Literature cited Appendix A: Derivation of equation 25 Appendix B: Derivations of equations 37 and 40 Appendix C: Derivation of equations 37a and 40
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  • 47
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-87/22
    In: CRREL Report, 87-22
    Description / Table of Contents: This review discusses problems associated with the anomalous temperature-density relations of water. It covers a) onset of convection, b) temperature structure and natural convective heat transfer, and c) laminar forced convective heat transfer in the water/ice system. The onset of convection in a water/ice system was found to dependent on thermal boundary conditions, not a constant value as in the classical fluids that have a monotonic temperature-density relationship. The water/ice system also exhibits a unique temperature distribution in the melt layer immediately after the critical Rayleigh number is exceeded and soon after it establishes a more or less constant temperature region progressively deepening as the melt layer grows. The constant temperature is approximately 3.2°C for water layers formed from above but varies for melt layers from below. The heat flux across the water/ice interface was found to be a weak power function and to increase linearly with temperature for melted layers from above and below, respectively.
    Type of Medium: Series available for loan
    Pages: vi, 43 Seiten , Illustrationen
    Series Statement: CRREL Report 87-22
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Analytical studies on the onset of convection in a horizontal water layer Experimental studies on the onset of convection in a circular horizontal melt layer Temperature structure and heat transfer In a horizontal layer In a circular horizontal melt layer pHeat transfer studies in nonplanar geometries Forced convective heat transfer over a melting surface Discussion and conclusions Onset of convection Temperature structure and natural convective heat transfer Laminar forced convective heat transfer Literature cited
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  • 48
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-88/14
    In: CRREL Report, 88-14
    Description / Table of Contents: An experimental study covering a mass flow rate ranging from 1.62 to 67.45 g/cm2-s and snow density varying from 0.377 to 0.472 g/cm3 has been conducted. Pressure drops ranging from 0.012 to 2.868 gf/cm2 were recorded. A plot of the friction factor fp vs Rep (defined as the classical Reynolds number Re for fluid flow through conduits) showed a good representation of all the experimental data. The least-squares analysis resulted in an expression of f sub p = 118/Rep to the 1.095 power for snow, in comparison with the expression f sub p = 64/Rep developed for fluid flow through porous media of randomly packed metallic and nonmetallic materials of spherical and nonspherical shapes.
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    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 88-14
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Experimental setup and procedure Experimental results Discussion and conclusions Literature cited
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  • 49
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-88/18
    In: CRREL Report, 88-18
    Description / Table of Contents: The results of a laboratory testing program, carried out to compare two independent methods for determining the unfrozen water content of soils, are described. With the time domain reflectometry method, the unfrozen water content is inferred from a calibration curve of apparent dielectric constant vs volumetric water content, determined by experiment. Previously, precise calibration of the TDR technique was hindered by the lack of a reference comparison method, which nuclear magnetic resonance now offers. This has provided a much greater scope for calibration, including a wide range of soil types and temperature (unfrozen water content). The results of the testing program yielded a relationship between dielectric constant and volumetric unfrozen water content that is largely unaffected by soil type, although a subtle but apparent dependency on the texture of the soil was noted. It is suggested that this effect originates from the lower valued dielectric constant for absorbed soil water. In spite of this, the general equation presented may be considered adequate for most practical purposes. The standard error of estimate is 0.015 cc/cc, although this may be reduced by calibrating for individual soils. Brief guidelines on system and probe design are offered to help ensure that use of the TDR method will give results consistent with the relationship presented.
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    Pages: ii, 16 Seiten , Illustrationen
    Series Statement: CRREL Report 88-18
    Language: English
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  • 50
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/4
    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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  • 51
    Monograph available for loan
    Monograph available for loan
    Washington, D.C. : Mineralogical Society of America
    Associated volumes
    Call number: 11/M 19.92803
    In: Reviews in mineralogy, 6
    Type of Medium: Monograph available for loan
    Pages: ix, 380 Seiten , Illustrationen, Diagramme
    Edition: second printing
    ISBN: 978-0-939950-06-5
    Series Statement: Reviews in mineralogy 6
    Language: English
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  • 52
    Monograph available for loan
    Monograph available for loan
    Washington, D.C. : Mineralogical Society of America
    Associated volumes
    Call number: 11/M 19.92819
    In: Reviews in mineralogy, 27
    Type of Medium: Monograph available for loan
    Pages: xv, 516 Seiten , Illustrationen, Diagramme
    Edition: second printing
    ISBN: 0-939950-32-4
    Series Statement: Reviews in mineralogy 27
    Language: English
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  • 53
    Call number: MOP 46275 / Mitte ; MOP 46375 / Mitte
    Type of Medium: Monograph available for loan
    Pages: VIII, 268 Seiten , Illustrationen
    ISBN: 0-948090-00-6
    Language: English
    Location: MOP - must be ordered
    Location: MOP - must be ordered
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  • 54
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/17
    In: CRREL Report, 84-17
    Description / Table of Contents: VHF-band radiowave short pulses were transmitted within the permafrost tunnel at Fox, Alaska, over distances between 2.2 and 10.5 m. The propagation medium was a frozen silt containing both disseminated and massive ice with temperatures varying from -7°C near the transmitter to probably -2 C near the center of the tunnel overburden. The short pulses underwent practically no dispersion in the coldest zones but did disperse and refract through the warmer overburden, as suggested by calculations of the effective dielectric constant. Most significantly the measured frequency content decreased as the effective dielectric constant increased. The results indicate that deep, cross-borehole pulse transmissions over distances greater than 10 m might be possible, especially when the ground is no warmer than -4°C. The information thus pined could be used for identifying major subsurface variations, including ground ice features.
    Type of Medium: Series available for loan
    Pages: ii, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 84-17
    Language: English
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  • 55
    Call number: ZSP-201-84/16
    In: CRREL Report, 84-16
    Description / Table of Contents: Phase composition curves are presented for a typical saline silt from Lanzhou, P.R.C., and compared to some silts from Alaska. The unfrozen water content of the Chinese silt is much higher than that of the Alaskan silts due to the large amount of soluble salts present in the silts from China, which are not present in silt from interior Alaska. When the salt is removed, the unfrozen water content is then similar for both the Chinese and Alaskan silt. Here we introduce a technique for correcting the unfrozen water content of partially frozen soils due to high salt concentrations. We calculate the equivalent molality of the salts in the unfrozen water at various temperatures from a measurement of the electrical conductivity of the extract from saturated paste.
    Type of Medium: Series available for loan
    Pages: iii, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 84-16
    Language: English
    Note: Contents Abstract Preface Introduction Background Materials Sample preparation Nuclear magnetic resonance Specific surface area Electrical conductivity Results and discussion Summary Literature cited Appendix A: Unfrozen water content vs temperature data for Lanzhou silt
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  • 56
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/11
    In: CRREL Report, 84-11
    Description / Table of Contents: Data obtained from two sets of data buoys either air-dropped or deployed by ship onto the Weddell Sea pack ice during the period from Dec 1978 to Nov 1980 are presented. The buoy data include position, pressure and temperature information and to date represent the most complete combined weather and pack ice drift records for the ice-covered Southern Ocean regions. The buoys tended to drift north initially and then to turn east generally between latitudes 62°S and 64°S. Buoy 1433 turned east farther south at approximately 67°S but at about the same time as buoy 0527, implying that the westerly wind belt was farther south than usual in 1979. The range of air pressures-from about 950 mb to about 1020 mb is typical of the circumpolar low pressure trough in the Southern Hemisphere. All buoys were equipped with an internal or compartment temperature sensor. The 1980 buoys also contained an external air temperature sensor in a ventilated, shielded can at 1-m height. Although differences of 10°C or more between recorded air and compartment temperatures are common, the correlation between the two measured temperatures is generally very good. The compartment temperatures are higher probably because the buoy is radiationally heated. We found that subtracting 3°C from the average daily compartment temperature yielded a good estimate of the average air temperature for any given day. This technique can be used to construct average daily air temperature records for the 1979 buoys which only contained the internal or compartment temperature sensor.
    Type of Medium: Series available for loan
    Pages: v, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 84-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods and instrumentation Results Drift tracks Pressure data Temperature data Discussion Conclusions Literature cited
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  • 57
    Monograph available for loan
    Monograph available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute for Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-93042-2
    In: Interregional Training Course on Radiochemistry, [Supplement]
    Type of Medium: Monograph available for loan
    Pages: 88 Seiten , Illustrationen
    Language: English
    Note: Contents Manual 2.2 The relative measurement of aktivity Lectures 1.3 Statistics / H. Baumbach 2.2 Sealed sources / K. Vormum 2.4 Energy dispersive x-ray fluorescence analysis / H.-K. Bothe 3.1 The use of carriers / H. Koch 4.3 Autoradiography / K. Freyer 6.1 Radiometric methods in environmental control / H.-J. Große
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  • 58
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Wiley [u.a.]
    Call number: PIK M 490-19-93049
    Type of Medium: Monograph available for loan
    Pages: XV, 329 Seiten , Illustrationen, Diagramme , 25 cm
    ISBN: 0471849677 , 2705659803
    Uniform Title: L'ordre dans le chaos 〈engl.〉
    Language: English
    Location: A 18 - must be ordered
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  • 59
    Monograph available for loan
    Monograph available for loan
    Hong Kong : Royal Observatory
    Call number: MOP 47270(1987) / Mitte
    Type of Medium: Monograph available for loan
    Language: English
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  • 60
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-88/11
    In: CRREL Report, 88-11
    Description / Table of Contents: This study assesses the effects of atmospheric icing on broadcast transmission reflections on two mountains- Mount Mansfield in northern Vermont and Mount Washington in New Hampshire. Experience and theory suggest that antenna ice accretions produce large signal reflections. Correlations between reflection coefficients and ice accretions on Rosemount ice detectors adjacent to antennas were low and occasionally negative. The unexpected correlations may be due to factors not measured, such as antenna tuning, ice type and ice location on the antenna system. Other confounding factors may include ice detector performance and methods used to compute antenna ice accretions from the ice detectors.
    Type of Medium: Series available for loan
    Pages: iii, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 88-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Data sources Study location and icing conditions Icing data Antenna reflection data Data preparation Analyses Conclusions Literature cited
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  • 61
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-88/13
    In: CRREL Report, 88-13
    Description / Table of Contents: In many sea ice engineering problems the ice sheet has been assumed to be a homogeneous plate whose mechanical properties are estimated from the bulk salinity and average temperature of the ice sheet. Typically no regard has been given to the vertical variation of ice properties in the ice sheet or to the time of ice formation. This paper first reviews some of the mechanical properties of sea ice, including the ice tensile, flexural and shear strengths, as well as the ice modulus. Equations for these properties are given as functions of the ice brine volume, which can be determined from the ice salinity and temperature. Next a numerical, finite difference model is developed to predict the salinity and temperature profiles of a growing ice sheet. In this model ice temperatures are calculated by performing an energy balance of the heat fluxes at the ice surface. The conductive heat flux is used to calculate the rate of ice growth and ice thickness by applying the Stefan ice growth equation. Ice salinities are determined by considering the amount of initial salt entrapment at the ice/water interface and the subsequent brine drainage due to brine expulsion and gravity drainage. Ice salinity and temperature profiles are generated using climatological data for the Central Arctic basin. The predicted salinity and temperature profiles are combined with the mechanical property data to provide mechanical property profiles for first-year sea ice of different thicknesses, grown at different times of the winter. The predicted profiles give composite plate properties that are significantly different from bulk properties obtained by assuming homogeneous plates. In addition the failure strength profiles give maximum strength in the interior of the sheet as contrasted with the usual assumption of maximum strength at the cold, upper ice surface. Surprisingly the mechanical property profiles are only a function of the ice thickness, independent of the time of ice formation.
    Type of Medium: Series available for loan
    Pages: v, 63 Seiten , Illustrationen
    Series Statement: CRREL Report 88-13
    Language: English
    Note: CONTENTS Abstract Preface Introduction Structure Composition Mechanical properties Strength Elastic constants The temperature-salinity model Temperature profiles Salinity profiles Composite plate properties Results Conclusions Literature cited Appendix A: Details of the equations for ice surface temperature and conductive heat flux Appendix B: Calculated profile and bulk properties of an ice sheet of varying thickness Appendix C: Calculated profile and bulk properties of 30- and 91-cm-thick ice sheets
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  • 62
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-88/16
    In: CRREL Report, 88-16
    Description / Table of Contents: Unfrozen water content as a function of temperature was measured in the laboratory using nuclear magnetic resonance (NMR) for a Windsor sandy loam soil. The data were related to previously measured soil moisture retention data through the modified Clapeyron equation with suitable adjustment for surface tension. The results show the usefulness of extending the soil freezing curve to temperatures only slightly below freezing and the soil water curve to very great suction.
    Type of Medium: Series available for loan
    Pages: iii, 42 Seiten , Illustrationen
    Series Statement: CRREL Report 88-16
    Language: English
    Note: CONTENTS Abstract Preface Introduction Soil variable ø SWC and SFC similarity Mathematical representation of SWC and SFC data NMR measurement of unfrozen water content Characterization of SWC Discussion Conclusions Literature cited Appendix A: Soil freezing curve data Appendix B: Error analysis Appendix C: Soil water curve data
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  • 63
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-89/2
    In: CRREL Report, 89-2
    Description / Table of Contents: A brash ice jam in the South Channel of the St. Clair River was profiled in February 1987 using a helicopter-borne short-pulse radar operating in the UHF band near 500 MHz. During the same time, measurements of the brash ice depth and water temperature were made from a Coast Guard icebreaker. The returned radar pulses consisted of a strong coherent reflection from the water surface, preceded (and followed) by incoherent returns from the brash ice. The measured waveform time delays were then converted to mean freeboard height of the brash ice pieces above the water surface. Given the mean freeboard height, an estimate of the total brash ice thickness was made. This estimate was greater than the range of the direct shipboard measurements. The difference is believed due to differences between ice porosity above and below the water line, to melting within the ice and to partial submergence of some of the surface pieces. It is concluded that this technique could be used for mapping relative brash ice depth if the complexities of automating waveform analysis could be overcome.
    Type of Medium: Series available for loan
    Pages: iv, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 89-2
    Language: English
    Note: CONTENTS Abstract Preface Introduction Objectives and procedures Equipment Radar Brash ice probe Temperature measurements St. Clair River ice conditions Results and discussion Thickness and temperature Size distribution Radar survey Discussion of errors Porosity Phase state of the ice Partial submergence of individual pieces Spectra of reflected energy Conclusions and recommendations Literature cited Appendix A: Laboratory verification of surface scattering from a simulated ice jam Appendix B: Display of digitized and processed data
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  • 64
    Monograph available for loan
    Monograph available for loan
    Heidelberg : Physica-Verlag
    Call number: IASS 20.93369
    Type of Medium: Monograph available for loan
    Pages: XVI, 243 Seiten , graphische Darstellungen , 235 mm x 155 mm
    ISBN: 9783790823356 , 9783790823363 (electronic; eISBN)
    Language: German , English
    Note: Beitr. teilw. dt., teilw. engl.
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  • 65
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/18
    In: CRREL Report, 80-18
    Description / Table of Contents: The use of ice as a structural material is common practice for certain applications in cold regions. Techniques such as surface flooding or water spraying are used to accelerate ice growth rates, thereby lengthening the winter construction season. This report examines the heat and mass transfer rates from freely falling water drops in cold air. Design equations which predict the amount of supercooling of the drops as a function of outdoor ambient temperature, drop size and distance of fall are given
    Type of Medium: Series available for loan
    Pages: v, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 80-18
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Velocity problem Heat and mass transfer problem - A single drop Heat and mass transfer - A system of drops Literature cited Appendix A: FORTRAN IV program to calculate final drop temperature, air temperatureand humidity
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  • 66
    Call number: ZSP-201-80/19
    In: CRREL Report, 80-19
    Description / Table of Contents: During the period 1975-1978 the Federal Highway Administration sponsored a series of environmental engineering in­vestigations along the Yukon River to Prudhoe Bay Haul Road. In 1976 the Department of Energy joined these in­vestigations with a series of ecological projects which continue to the present. Both agencies research efforts were con­ducted on a cooperative basis with CRREL’s in-house research program. The objectives of the research focused on 1) an evaluation of the performance of the road, 2) an assessment of changes in the environment associated with the road, 3) documentation of flora and vegetation along the 577-km-long transect, 4) methodologies for revegetation and restoration, and 5) an assessment of biological parameters as indicators of environmental integrity. In support of these objectives, specific studies were undertaken that investigated the climate along the road, thaw and subsidence beneath and adjacent to the road, drainage and side slope performance, distribution and properties of road dust, vegetation distribution, vegetation disturbance and recovery, occurrence of weeds and weedy species, erosion and its control, revegetation and restoration, and construction of the fuel gas line. This report presents background, information on the region, detailed results of the road thaw subsidence and dust investigations, and summaries of revegetation, fuel gas line, vegetation distribution, soil, and weed studies.
    Type of Medium: Series available for loan
    Pages: xv, 187 Seiten , Illustrationen
    Series Statement: CRREL Report 80-19
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Chapter 1. The road and its environment Introduction General physiography Regional climate Surficial and bedrock geology Permafrost and ground ice General biota Vegetation Floristic survey Vegetation mapping Soils and mapping Chapter 2. Roadbed performance and associated investigations Roadbed investigations Roadbed performance Performance of drainage features Performance of sideslopes Conclusions from road, drainage and sideslope performance studies Fuel gas line construction Chapter 3. Distribution and properties of road dust along the northern portion of the Haul Road Introduction Methods Results of wind direction and velocity measurements Dust load and distribution Particle size analyses of dust Chemical composition properties of dust and related samples Soil cation composition Dust impacts on vegetation Discussion and conclusions Chapter 4. Revegetation and restoration investigations Introduction Revegetation approaches Alyeska erosion control and revegetation program Weeds and weedy plants Performance of revegetation Alyeska willow cutting program CRREL restoration experiments Conclusions Revegetation recommendations General report recommendations Literature cited Appendix A: General environmental guidelines applicable to subarctic and arctic road construction Appendix B: University-based studies along the Yukon River-Prudhoe Bay Haul Road Appendix C: CRREL maps of Haul Road showing locations of all study Sites Appendix D: Additional Haul Road cross-sectional profiles Appendix E: Clay mineralogy of road-related materials Appendix F: List of reports in the Joint State/Federal Fish and Wildlife Ad­visory Team series
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  • 67
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/17
    In: CRREL Report, 80-17
    Description / Table of Contents: Construction pads made of snow were used to build two sections of the Trans Alaska Pipeline and a small gas pipeline during the winter of 1975-76. Construction during the winter has become increasingly common in the Arctic. Surface travel and the use of heavy construction equipment on the unprotected tundra have been severely restricted, even during the winter, so the use of temporary winter roads and construction pads built of snow and ice has been advocated and is being adopted. The three snow construction pads mentioned above were the first snow roads and construction pads used on a large scale in Alaska. Snow roads and construction pads have two objectives: to protect the underlying vegetation and upper layers of the ground, and to provide a hard, smooth surface for travel and the operation of equipment. Several types have been built, and a brief discussion is given of their history and classification systems. The three snow construction pads used in construction of the Trans-Alaska Pipeline and the small gas pipeline in 1975-76 were visited and observed while in use. The Globe Creek snow pad, about 50 miles north of Fairbanks, was built primarily of manufactured snow hauled to the site and watered. With very high densities this pad withstood heavy traffic and use by heavy construction equipment except on one steep slope. There, the use of tracked vehicles and vehicles without front wheel drive disaggregated the snow on and near the surface so that vehicles without front wheel drive were unable to climb the hill. The Toolik snow pad, just north of the Brooks Range, was built of compacted snow and proved capable of supporting the heaviest traffic and construction equipment. The fuel gasline snow pad ran from the northern Brooks Range to the Arctic Coast and also proved capable of supporting the necessary traffic. Both the Toolik snow pad and the fuel gasline snow pad failed in very early May because of unseasonably warm and clear weather before the associated construction projects were completed. However, the three snow pads must be considered successful. Common problems were the lack of snow, slopes, unseasonably warm spring weather, and inexperience on the part of contractors and construction personnel.
    Type of Medium: Series available for loan
    Pages: v, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 80-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction History of snow and ice roads Classification of snow and ice roads Snow pads used by Alyeska during the winter of 1975-1976 The Globe Creek snow pad The Toolik snow pad The gasline snow pad Summary and conclusions Literature cited
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  • 68
    Call number: MOP 45206 / Mitte
    In: Daily Global Analyses
    Type of Medium: Monograph available for loan
    Pages: 6, 381 Seiten , graphische Darstellungen
    Series Statement: Daily Global Analyses Part 2
    Language: English
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  • 69
    Call number: MOP 45206 / Mitte
    In: Daily Global Analyses
    Type of Medium: Monograph available for loan
    Pages: 6, 371 Seiten , graphische Darstellungen
    Series Statement: Daily Global Analyses Part 3
    Language: English
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  • 70
    Monograph available for loan
    Monograph available for loan
    [Reading, Berkshire] : [European Centre for Medium Range Weather Forecasts]
    Call number: MOP 44987 / Mitte
    Type of Medium: Monograph available for loan
    Pages: i, 97 Seiten , Illustrationen , 30 cm
    Language: English
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  • 71
    Monograph available for loan
    Monograph available for loan
    Warschau
    Call number: MOP 47772 / Mitte
    Type of Medium: Monograph available for loan
    Pages: Mappe mit 13 Dokumenten in russischer und englischer Sprache
    Language: Russian , English
    Note: 1. Osnovnye naučnye dostiženija v oblasti issledovanija kosmosa za poslednie gody i perspektiva do 2000 goda / V. M. Balebanov 2. Kosmičeskoe Materialovedenie / Ju. A. Osip'jan, Č. Barta, R. Galonzka, R. Kul', L. Fal'kon 3. 20 let issledovanija v oblasti geliofiziki i astrofiziki v programme interkosmos / B. Val'niček 4. Daetsja kratkija obzor suščectvujuščich orbital'nych stancija rassmatrivajutsja tendencii razvitija / Ju. P. Semenov, L. A. Gorškov 5. Meždunarodnye pilotiruemye polety po programme "Interkosmos" / P. I. Klimuk, Ju. A. Gagarina 6. Summary of the twenty-year cooperation and the prospects of studies on space physics within the framework of the Intercosmos Program 7. Issledovanija na biosputnikach / S. Baran'ski, K. Gecht, E. A. Il'in, L. Macho 8. Meteorology : Intercosmos 1967-1987 9. Utilizing data obtained by remote sensing of the earth / N. A. Armand, G. Ganzorig, J. Kolarzh, K. Marek, B. Nej, L. Ortega, To Kuang Tkhing 10. Indian Space Programme and the cooperation with Intercosmos / u. R. Rao, Y. S. Rajan 11. Short summary of the most important scientific-methodological and research activities in the field of remote sensing of the Earth , within the framework of the Intercosmos Program in the years 1975-1987 12. Razvitie eksperimental'noi techniki distancionnogo zondi-rovanija zemli / R. Joachim, E. Bach, A. Gšvindt, D. Mišev, Ja. L. Ziman 13. Ispol'zovanie sputnikovoj informacii v prognoze pogody / A. Burcev, G. Major, V. Šarov
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  • 72
    Call number: MOP 47509 / Mitte
    Type of Medium: Monograph available for loan
    Pages: X, 171 Seiten , Illustrationen
    Language: English
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  • 73
    Call number: MOP 47453/1 / Mitte
    In: Veröffentlichungen des Zentralinstituts für Physik der Erde, 102
    Type of Medium: Monograph available for loan
    Pages: III, 396 Seiten , Illustrationen
    Series Statement: Veröffentlichungen des Zentralinstituts für Physik der Erde Nr. 102
    Language: English
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  • 74
    Call number: MOP 47453/2 / Mitte
    In: Veröffentlichungen des Zentralinstituts für Physik der Erde, 102
    Type of Medium: Monograph available for loan
    Pages: 325 Seiten , Illustrationen
    Series Statement: Veröffentlichungen des Zentralinstituts für Physik der Erde Nr. 102
    Language: English
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  • 75
    Call number: MOP 47453/3 / Mitte
    In: Veröffentlichungen des Zentralinstituts für Physik der Erde, 102
    Type of Medium: Monograph available for loan
    Pages: III, 333 Seiten , Illustrationen
    Series Statement: Veröffentlichungen des Zentralinstituts für Physik der Erde Nr. 102
    Language: English
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  • 76
    Call number: MOP 46028/1984 / Mitte
    In: World weather watch : Consolidated report on the voluntary co-operation programme including projects approved for circulation, 1984
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    Language: English
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  • 77
    Call number: AWI G2-19-93054
    Type of Medium: Monograph available for loan
    Pages: 57 Blätter , Illustrationen
    Language: English , German
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  • 78
    Call number: AWI G6-19-93060
    Type of Medium: Monograph available for loan
    Pages: 6 Seiten, 29 Blätter, 7 Seiten
    Language: German , French , English
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  • 79
    Monograph available for loan
    Monograph available for loan
    New York : Springer
    Call number: MOP 47507 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XVIII, 501 Seiten , Illustrationen
    Edition: Second edition
    ISBN: 3540966854 , 0387966854
    Series Statement: Universitext
    Language: English
    Note: CONTENTS Preface Preface to the Second Edition Introduction 1 Onset of Turbulence Part One - Classical Concepts in Turbulence Modeling Chapter I. Turbulent Flow 1. Equations of Fluid Dynamics and Their Consequences 1.1 Reynolds' Averaging Technique 1.2 Equations of Fluid Dynamics 1.3 Equation of Kinetic Energy 1.4 Equation of Heat Conduction 2. Reynolds' Stresses 2.1 Physical and Geometrical Interpretation of Reynolds' Stresses 2.2 Eddies and Eddy Viscosity 2.3 Poiseuille and Couette Flow 3. Length Theory 3.1 Prandtl's Mixing Length Theory 3.2 Mixing Length in Taylor's Sense 3.3 Betz's Interpretation of von Karman's Similarity Hypothesis 4. Universal Velocity Distribution Law 4.1 Prandtl's Approach 4.2 von Karman's Approach 4.3 Turbulent Pipe Flow with Porous Wall 5. The Turbulent Boundary Layer 5.1 Turbulent Flow Over a Solid Surface 5.2 Law of the Wall in Turbulent Channel Flow 5.3 Velocity Distribution in Transient Region of a Moving Viscous Turbulent Flow 5.4 A New Approach to the Turbulent Boundary Layer Theory Using Lumley's Extremum Principle Part Two - Statistical Theories in Turbulence Chapter II. Fundamental Concepts 6. Stochastic Processes 6.1 General Remarks 6.2 Fundamental Concepts in Probability 6.3 Random Variables and Stochastic Processes 6.4 Weakly Stationary Processes 6.5 A Simple Formulation of the Covariance and Variance for Incompressible Flow 6.6 The Correlation and Spectral Tensors in Turbulence 6.7 Theory of Invariants 6.8 The Correlation of Derivatives of the Velocity Components 7. Propagation of Correlations in Isotropic Incompressible Turbulent Flow 7.1 Equations of Motion 7.2 Vorticity Correlation and Vorticity Spectrum 7.3 Energy Spectrum Function 7.4 Three-Dimensional Spectrum Function Chapter III. Basic Theories 8. Kolmogoroff's Theories of Locally Isotropic Turbulence 8.1 Local Homogeneity and Local Isotropy 8.2 The First and the Second Moments of Quantities w-j(x-j) 8.3 Hypotheses of Similarity 8.4 Propagation of Correlations in Locally Isotropic Flow 8.5 Remarks Concerning Kolmogoroff1s Theory 9. Heisenberg's Theory of Turbulence 9.1 The Dynamical Equation for the Energy Spectrum 9.2 Heisenberg's Mechanism of Energy Transfer 9.3 von Weiszacker's Form of the Spectrum 9.4 Objections to Heisenberg's Theory 10. Kraichnan's Theory of Turbulence 10.1 Burgers' Equation in Frequency Space 10.2 The Impulse Response Function 10.3 The Direct Interaction Approximation 10.4 Third Order Moments 10.5 Determination of Green's Function 10.6 Summary of Results of Burgers' Equation in Kraichnan's Sense 11. Application of Kraichnan's Method to Turbulent Flow 11.1 Derivation of Navier-Stokes Equation in Fourier Space 11.2 Impulse Response, Function for Full Turbulent Representation 11.3 Formal Statement by Direct-Interaction Procedure 11.4 Application of the Direct-Interaction Approximation 11.5 Averaged Green's Function for the Navier-Stokes Equations 12. Hopf's Theory of Turbulence 12.1 Formulation of the Problem in Phase Space and the Characteristic Functional 12.2 The Functional Differential Equation for Phase Motion 12.3 Derivation of the ϕ-Equation 12.4 Elimination of Pressure Functional π from the ϕ-Equation 12.5 Forms of the Correlation for n=l and n=2 Chapter IV. Magnetohydrodynamic Turbulence 13. Magnetohydrodynamic Turbulence by Means of a Characteristic Functional 13.1 Formulation of the Problem in Phase Space 13.2 ϕ-Equations in Magnetohydrodynamic Turbulence 13.3 Correlation Equations 14. Wave-Number Space 14.1 Transformation to Wave-Number Space 14.2 The Spectrum Equations and Additional Conservation Laws 14.3 Special Case of Isotropic Magnetohydrodynamic Turbulence 15. Stationary Solution for ϕ-Equations 15.1 Stationary Solution for the Case λ=ν=0 15.2 Solution to the ϕ-Equations for Final Stages of Decay 16. Energy Spectrin 16.1 Energy Spectrum in the Equilibrium Range 16.2 Extension of Heisenberg's Theory in Magnetohydrodynamic Turbulence 17. Temperature Dispersion in Magnetohydrodynamic Turbulence 17.1 Turbulent Dispersion 17.2 Formulation of the Problem 17.3 Universal Equilibrium 18. Temperature Spectrum for Small and Large Joule Heat Eddies 18.1 Small Joule Heat Eddies 18.2 Large Joule Heat Eddies 19. The Temperature Spectrum for the Joule Heat Eddies of Various Sizes 19.1 The Viscous Dissipation Process 19.2 The Joule Heat Model 19.3 The Calculation of the Temperature Spectrum 19.4 Effect of Viscous Dissipation on the Temperature Distribution 20. Thomas' Numerical Experiments 20.1 Turbulent Dynamo Competing Processes 20.2 Nondissipative Model System λ=ν=0 20.3 Numerical Experiments 21. Some Further Improvements of Dispersion Theory in Magnetohydrodynamic Turbulence 21.1 Remarks on the Turbulent Dispersion of Temperature for Rm〉〉R〉〉l 21.2 Heat Equation for Conductive Cut-Off Wave Number for H(k) 21.3 Solution of the Heat Equation 22. A Solution for the Joule-Heat Source Term 22.1 Physical Introduciton 22.2 Form of the Source Function and Particular Solution 22.3 The Joule Heating Spectrum 22.4 The Range of Values α1, α2, α3, σ and Asymptotic Solution of τ-integral 22.5 Evolution of τ-Integral Eq. (22.29) 23. Results for the θ2 Spectrum with Joule Heating 23.1 The Asymptotic Behavior of the Solutions 23.2 The Most Probable Form of the θ2-Spectrum Chapter V. Contemporary Turbulence 24. Recent Developments in Turbulence Through Use of Experimental Mathematics - Attractor Theory 24.1 Things That Change Suddenly 24.2 Order in the Chaos 24.3 Attractor Theory in Turbulent Channel Flows 25. Recent Developments in Experimental Turbulence 25.1 Coherent Structure of Turbulent Shear Flows Appendices Appendix A -- Derivation of Correlation Equations (13.51-13.62) Appendix B -- Derivation of Spectrum Equations (14.45-14.46) Appendix C -- Fourier Transforms (18.10) Appendix D -- The Time Variation of Eq. (18.3) Appendix E -- The Time Variation of Eq. (18.19) Bibliography Author Index Subject Index
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  • 80
    Call number: AWI P6-20-93428
    Type of Medium: Monograph available for loan
    Pages: VII, 40 Seiten , Illustrationen
    Language: English
    Note: Contents 1 Executive summary 2 Introduction 3 The broad scientific problems 4 Specific scientific problems: a topical view 5 The resources issue 6 A strategy for planning and conducting research Transect Zone Number 1 (Weddell Transect Zone) Transect Zone Number 2 (Ross Transect Zone) Transect Zone Number 3 (Amery Transect Zone) Circum-Antarctic Studies 7 Broad scientific priorities 8 A methodology and chronology for proposed work 9 Special concerns References
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  • 81
    Call number: MOP 47169 / Mitte
    Type of Medium: Monograph available for loan
    Pages: I, 209 Seiten , Illustrationen , 30 cm
    Language: English
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  • 82
    Journal available for loan
    Journal available for loan
    Washington, D.C. : National Aeronautics and Space Administration
    Call number: MOP 47316 / Mitte
    Type of Medium: Journal available for loan
    Pages: 83 Seiten
    Language: English
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  • 83
    Series available for loan
    Series available for loan
    Bratislava : Hydrometeorological Service of Czechoslovakia
    Call number: MOP 46808 / Mitte
    Type of Medium: Series available for loan
    Language: English
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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-201-81/19
    In: CRREL Report, 81-19
    Description / Table of Contents: Field observations support the interpretation that differences in the strength of radar returns from the ice covers of lakes on the North Slope of Alaska can be used to determine where the lake is frozen completely to the bottom. An ice/frozen soil interface is indicated by a weak return and an ice/ water interface by a strong return. The immediate value of this result is that SLAR (side-looking airborne radar) imagery can now be used to prepare maps of large areas of the North Slope showing where the lakes are shallower or deeper than 1.7m (the approximate draft of the lake ice at the time of the SLAR flights). The bathymetry of these shallow lakes is largely unknown and is not obvious from their sizes or outlines. Such information could be very useful, for example in finding suitable year-round water supplies.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 81-19
    Language: English
    Note: CONTENTS Abstract Preface Introduction The experiment Results Maps of completely frozen North Slope lakes Literature cited
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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-201-81/20
    In: CRREL Report, 81-20
    Description / Table of Contents: A historical review of research is presented to establish the state- of-the-art for analyzing the behavior of vehicles in shallow snow. From this review, the most comprehensive and promising model is put together to establish a first-cut performance prediction model for vehicles operating in shallow snow, slush, ice and thawing soils.
    Type of Medium: Series available for loan
    Pages: iv, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 81-20
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Historical review Model selection Traction Resistance Slush and thawing soils Ice, hard-packed snow, packed snow River and lake ice Model use Conclusions Literature cited
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  • 86
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/18
    In: CRREL Report, 81-18
    Description / Table of Contents: During the growing seasons of 1977, 1978, and 1979, revegetation techniques were studied on the Chena River Lakes Project, a flood control dam and levee near Fairbanks, Alaska, to find an optimal treatment for establishing permanent vegetation cover on the gravel structures. The treatments tested on plots at the dam andor levee involved three main variables 1 vegetation grass and clover seed andor willow cuttings, 2 mulch, mulch blanket, andor sludge, and 3 substrate gravel or fine-grained soil over the gravel base. The mulches were hay, wood-cellulose-fiber, peat moss, and Conwed Hydro Mulch 2000, which is a wood-cellulose-fiber mulch with a polysaccharide tackifier. A constant rate of fertilizer was applied to all plots except the control. A section of each plot was refertilized again in their third growing season to compare annual and biannual fertilization. The high fertilization rate produced above-average growth. Fescue, brome, and foxtail were the most productive species on the dam, while alsike cover was the most productive on the wetter levee site. When grass seed and willow cuttings were planted at the same time, willow survival and growth were reduced. Fertilization is required for at least two years to produce an acceptable permanent vegetation cover, although fine- grained soil or sludge reduces the amount of fertilizer needed in the second year. Third-year fertilization may not be necessary since the benefits of the second fertilization continue for at least two years. A sludge treatment refertilized during its second growing season produces the highest biomass recorded in this study.
    Type of Medium: Series available for loan
    Pages: ix, 59 Seiten , Illustrationen
    Series Statement: CRREL Report 81-18
    Language: English
    Note: CONTENTS Abstract Preface Abbreviations Conversion factors Summary Introduction Background Site characterization Climate Purpose Materials and methods General Moose Creek Dam site Tanana Levee site Sampling and measurement Abiotic controls on vegetation Meteorological data Soil moisture as a limiting factor Soil chemical analysis Vegetation growth and survival Moose Creek Dam site Tanana Levee site Biomass by species Roof penetration Seedling density of invading woody species Weeds Supplemental observations Sediment loss Sludge and runoff-water composition Cost analysis Conclusions Literature cited Appendix A: 1977 grass growth on 1977 dam treatments Appendix B: 1978 grass growth on 1977 dam treatments Appendix C: 1979 grass growth on 1977 dam treatments Appendix D: Grass growth on 1978 dam treatments Appendix E: 1977, 1978, and 1979 survival of willow treatments Appendix F: Grass growth on Tanana levee treatments Appendix C: Chemical analysis of sludge and runoff water
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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-201-81/21
    In: CRREL Report, 81-21
    Description / Table of Contents: The reflection of solar radiation by a snow cover in situ and the apparent influence of selected substrates were examined in wavelength bands centered at 0.81, 1.04, 1.10, 1.30, 1.50 and 1.80 micrometers. Substrates included winter wheat, timothy, corn, alfalfa, grass, concrete and subsurface layers of 'crusty' snow and ice. Reasonable qualitative agreement between measurements and theoretical predictions was demonstrated, with indications of quantitative agreement in the definition of a 'semi-infinite depth' of snow cover. It was concluded that ultimate quantitative agreement between theory and measurement will require that an 'optically effective grain size' be defined in terms of physically measuarable dimensions or meteorologically predictable characteristics of the ice crystals composing the snowpack.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 81-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experimental method Substrate preparation Experimental configuration Radiometric measurements Snow characterization Reflectance standards Data analysis Reflectance measurements Snow replica analysis Discussion of results Comparative reflectance of various substrates under snow Ablation of a snow cover Reflectance from a very light, fresh snow cover Measurements at angles other than vertical Reflectance from substrates Concluding observations Literature cited
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  • 88
    Call number: MOP 47171 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 293 Seiten , Illustrationen
    Language: English
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 89
    Call number: MOP 46028/1983 / Mitte
    In: World weather watch : Consolidated report on the voluntary co-operation programme including projects approved for circulation, 1983
    Type of Medium: Series available for loan
    Language: English
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 90
    Monograph available for loan
    Monograph available for loan
    Helsinki : Valtion Painatuskeskus
    Call number: MOP 47551/2 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 520 Seiten
    Series Statement: Suomen Akatemian Julkaisuja / The Publications of the Academy of Finland 9/89
    Language: English
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 91
    Monograph available for loan
    Monograph available for loan
    Cambridge, Massachusetts : MIT Press
    Call number: PIK B 719-20-93057
    Type of Medium: Monograph available for loan
    Pages: VIII, 205 Seiten
    ISBN: 0262071118 , 0262570734 , 9780262570732
    Series Statement: MIT Press Classic
    Language: English
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 92
    Monograph available for loan
    Monograph available for loan
    Boston, Mass. : American Meteorological Society
    Call number: MOP 45485 / Mitte
    Type of Medium: Monograph available for loan
    Pages: iv, 322 Seiten , Illustrationen, Diagramme
    ISBN: 0933876513
    Language: English
    Location: MOP - must be ordered
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  • 93
    Monograph available for loan
    Monograph available for loan
    Geneva : Secretariat of the World Meteorological Organization
    Call number: MOP 45477 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 2, II, 47, 4 Seiten , Illustrationen
    Series Statement: Report 4
    Language: English
    Location: MOP - must be ordered
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  • 94
    Monograph available for loan
    Monograph available for loan
    Durham : Duke University Press
    Call number: IASS 20.95309
    Type of Medium: Monograph available for loan
    Pages: 620 Seiten , 25 cm
    ISBN: 0822335182 , 9780822335184 , 0822335069 , 9780822335061
    Series Statement: Politics, history, and culture
    Language: English
    Branch Library: RIFS Library
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  • 95
    Call number: MOP 46293/B / Mitte
    In: United States Antarctic Research Report to SCAR, No. 24
    Type of Medium: Series available for loan
    Series Statement: United States Antarctic Research Report to SCAR 24
    Language: English
    Location: MOP - must be ordered
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  • 96
    Call number: MOP 46293/A / Mitte
    In: United States Antarctic Research Report to SCAR, No. 26
    Type of Medium: Series available for loan
    Series Statement: United States Antarctic Research Report to SCAR 26
    Language: English
    Location: MOP - must be ordered
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  • 97
    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
    Location: MOP - must be ordered
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  • 98
    Monograph available for loan
    Monograph available for loan
    New York : Oxford Univ. Press
    Call number: IASS 20.94162
    Type of Medium: Monograph available for loan
    Pages: XII, 278 S , Ill , 24 cm
    ISBN: 9780195187434 , 0195187431 , 019518744X , 9780195187441
    Series Statement: Studies in feminist philosophy
    Language: English
    Branch Library: RIFS Library
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  • 99
    Series available for loan
    Series available for loan
    Pasay City, Philippines : Typhoon Committee Secretariat
    Associated volumes
    Call number: MOP 46950(1987) / Mitte
    In: ESCAP/WMO Typhoon Committee annual review, 1987
    Type of Medium: Series available for loan
    Series Statement: ESCAP/WMO Typhoon Committee annual review 1987
    Language: English
    Location: MOP - must be ordered
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  • 100
    Call number: MOP 46270 / Mitte
    Type of Medium: Monograph available for loan
    Pages: viii, 545 Seiten , 28 cm
    Language: English
    Note: Prefatory material in French
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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