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  • English  (2,887)
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  • 1985-1989  (2,912)
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  • 1
    Series available for loan
    Series available for loan
    Bremen : Fachbereich Geowissenschaften, Universität Bremen
    Associated volumes
    Call number: ZSP-166(5)
    In: Berichte aus dem MARUM und dem Fachbereich Geowissenschaften der Universität Bremen, Nr. 5
    Type of Medium: Series available for loan
    Pages: 161 Seiten , Illustrationen, Karten, Diagrame , 29 cm
    ISSN: 0931-800
    Series Statement: Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen 5
    Language: German , English
    Note: Zugleich: Dissertation, Universität Bremen, 1989 , Zusammenfassung in englischer Sprache
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  • 2
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Springer
    Call number: M 93.0111 ; G 9023
    Type of Medium: Monograph available for loan
    Pages: VIII, 176 S.
    ISBN: 3540184856
    Language: English
    Location: Upper compact magazine
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  • 3
    Monograph available for loan
    Monograph available for loan
    Chelsea : Society of Economic Geologists
    Associated volumes
    Call number: M 93.0074/2
    In: Reviews in economic geology
    Type of Medium: Monograph available for loan
    Pages: XVIII, 298 S.
    ISBN: 0961307412
    Series Statement: Reviews in economic geology 2
    Language: English
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  • 4
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Springer
    Associated volumes
    Call number: 14135 ; M 93.0038/6
    In: Advances in physical geochemistry
    Type of Medium: Monograph available for loan
    Pages: X, 405 S. : graph. Darst.
    ISBN: 0387962875
    Series Statement: Advances in physical geochemistry 6
    Language: English
    Location: Upper compact magazine
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  • 5
    Call number: G 8933 ; M 93.0107 ; PIK N 456-94-0204
    Type of Medium: Monograph available for loan
    Pages: VI, 139 S. : graph. Darst.
    ISBN: 3540172351
    Uniform Title: Istoriya atmosferi
    Language: English
    Location: Upper compact magazine
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    Location: A 18 - must be ordered
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  • 6
    Call number: G 9026 ; 11/M 93.0027/25
    In: Monograph series on mineral deposits
    Type of Medium: Monograph available for loan
    Pages: VI, 212 S.
    ISBN: 3443120253
    Series Statement: Monograph series on mineral deposits 25
    Language: English
    Location: Upper compact magazine
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  • 7
    Monograph available for loan
    Monograph available for loan
    New York : Freeman
    Call number: 11/M 93.0146
    Type of Medium: Monograph available for loan
    Pages: XIV, 985 S.
    Language: English
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  • 8
    Call number: AWI P6-07-0049 ; AWI Atl-20-2041
    Type of Medium: Monograph available for loan
    Pages: 75, 6 Seiten
    Edition: 1. Ausgabe
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 10, Annex
    Language: German , English , French , Russian , Spanish
    Note: Teilweise in deutscher, englischer, französischer, russischer und spanischer Sprache
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  • 9
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Springer
    Call number: M 93.0115 ; 4/14609
    Type of Medium: Monograph available for loan
    Pages: XI, 558 S.
    ISBN: 3540164162
    Series Statement: Exploration of the deep continental crust
    Uniform Title: Kol'skaja sverchglubokaja
    Language: English
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  • 10
    Call number: 93.0022/17
    In: Reviews in mineralogy
    Description / Table of Contents: When Van't Hoff calculated the effect of solution composition on the gypsum-anhydrite transition a century ago, he solved a significant geochemical problem (Hardie, 1967). Other well known examples of the early use of chemical thermodynamics in geology are Bowen's calculations of the plagioclase melting loop and the diopside-anorthite eutectic (Bowen, 1913, 1928). Except for a few specialists, however, these techniques were largely ignored by earth scientists during the first half of the 20th century. The situation changed dramatically by the 1950's when more and better thermodynamic data on geologic materials became available, and when thermodynamic arguments of increasing sophistication began to permeate the petrologic and geochemical literature. This rejuvenation was spearheaded by D.S. Korzhinskii, H. Ramberg, J.B. Thompson, J. Verhoogen and others. Today a graduating petrologist or geochemist can be expected to have a thorough grounding in geological thermodynamics. Rapid intellectual growth in a field brings with it the difficulty of keeping abreast of parallel and diverging specialties. In order to alleviate this problem, we asked a group of active researchers to contribute up-to-date summaries relating to their specialties in the thermodynamic modeling of geological materials, in particular minerals, fluids and melts. Whereas each of these topics could fill a book, by covering the whole range we hope to emphasize similarities as much as differences in the treatment of various materials. For instance, there are useful parallels to be noted between Margules parameters and Pitzer coefficients. The emphasis here is on modeling, after the required data have been collected, and the approach ranges form theoretical to empirical. We deliberately imposed few restrictions on the authors. Some chose to interpret modeling in the rigorous thermodynamic sense, while others approached their topics from more general geochemical viewpoints. We hope that any lack of unity and balance is compensated for by a collection of lively and idiosyncratic essays in which students and professionals will find new ideas and helpful hints. If the selection appears tilted towards fluids, it is because other recent summaries have emphasized minerals and melts. The editors and authors of this volume presented a short course, entitled "Thermodynamic Modeling of Geological Materials: Minerals, Fluids amd Melts," October 22-25, 1987, at the Wickenburg Inn near Phoenix, Arizona.
    Type of Medium: Monograph available for loan
    Pages: XIII, 499 S.
    ISBN: 0-939950-21-9 , 978-0-939950-21-8
    ISSN: 1529-6466
    Series Statement: Reviews in mineralogy 17
    Language: English
    Note: Chapter 1. Thermodynamic Analysis of Phase Equilibria in Simple Mineral Systems by Robert C. Newton, p. 1 - 34 Chapter 2. Models of Crystalline solutions by Alexandra Navrotsky, p. 35 - 70 Chapter 3. Thermodynamics of Multicomponent Systems Containing Several Solid Solutions by Bernard J. Wood, p. 71 - 96 Chapter 4. Thermodynamic Model for Aqueous Solutions of Liquid-like Density by Kenneth S. Pitzer, p. 97 - 142 Chapter 5. Models of Mineral Solubility in Concentrated Brines with Application to Field Observations by John H. Weare, p. 143 - 176 Chapter 6. Calculation of the Thermodynamic Properties of Aqueous Species and the Solubilities of Minerals in Supercritical Electrolyte Solutions by Dimitri A. Sverjensky, p. 177 - 210 Chapter 7. Igneous Fluids by John R. Holloway, p. 211 - 234 Chapter 8. Ore Fluids: Magmatic to Supergene by George H. Brimhall and David A. Crerar, p. 235 - 322 Chapter 9. Thermodynamic Models of Molecular Fluids at the Elevated Pressures and Temperatures of Crustal Metamorphism by John M. Ferry and Lukas Baumgartner, p. 323 - 366 Chapter 10. Mineral Solubilities and Speciation in Supercritical Metamorphic Fluids by Hans P. Eugster and Lukas Baumgartner, p. 367 - 404 Chapter 11. Development of Models for Multicomponent Melts: Analysis of Synthetic Systems by Rober G. Berman and Thomas H. Brown, p. 405 - 442 Chapter 12. Modeling Magmatic Systems: Thermodynamic Relations by Mark S. Ghiorso, p. 443 - 466 Chapter 13. Modeling Magmatic Systems: Petrologic Applications by Mark S. Ghiorso and Ian S.E. Carmichael, p. 467 - 500
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  • 11
    Call number: ZSP-168-42
    In: Berichte zur Polarforschung
    Type of Medium: Series available for loan
    Pages: 57 S. : graph. Darst.
    ISSN: 0176-5027
    Series Statement: Berichte zur Polarforschung 42
    Language: English
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  • 12
    Series available for loan
    Series available for loan
    Geneva : WMO
    Associated volumes
    Call number: MOP Per 850(21) ; MOP B 18781
    In: Instruments and observing methods report
    In: WMO TD
    Type of Medium: Series available for loan
    Pages: 48 S. : Ill., graph. Darst.
    Series Statement: Instruments and observing methods report 21
    Language: English
    Location: MOP - must be ordered
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  • 13
    Call number: MOP Per 850(28) ; MOP B 18783
    In: Instruments and observing methods report
    In: WMO TD
    Type of Medium: Series available for loan
    Pages: 118 S.
    Series Statement: Instruments and observing methods report 28
    Language: English
    Location: MOP - must be ordered
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  • 14
    Call number: 11/G 9057
    In: Monograph series on mineral deposits
    Type of Medium: Monograph available for loan
    Pages: 300 S. : Ill., graph. Darst.
    ISBN: 3443120288
    Series Statement: Monograph series on mineral deposits 28
    Language: English
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  • 15
    Monograph available for loan
    Monograph available for loan
    Dordrecht : Kluwer [u.a.]
    Associated volumes
    Call number: MOP 47202/2 / Mitte ; MOP B 19747/2
    In: The impact of climatic variations on agriculture
    Type of Medium: Monograph available for loan
    Pages: 764 S.
    Classification:
    Meteorology and Climatology
    Language: English
    Location: MOP - must be ordered
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  • 16
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Springer
    Associated volumes
    Call number: 14029 ; M 93.0038/4
    In: Advances in physical geochemistry
    Type of Medium: Monograph available for loan
    Pages: XII, 291 S. : graph. Darst.
    ISBN: 0387960775
    Series Statement: Advances in physical geochemistry 4
    Language: English
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  • 17
    Monograph available for loan
    Monograph available for loan
    El Paso, Tex. : Society of Economic Geologists
    Associated volumes
    Call number: M 93.0074/4 (Verlust 100309) ; M 93.0074/4 (2.Ex.)
    In: Reviews in economic geology, Volume 4
    Type of Medium: Monograph available for loan
    Pages: VI, 250 Seiten , Illustrationen
    ISBN: 0-9613074-3-9 , 0961307439
    ISSN: 0741-0123
    Series Statement: Reviews in economic geology 4
    Language: English
    Note: Contents Part I: Mafic rocks Introduction: Magmatic deposits associated with mafic rocks / A. J. Naldrett Sulfide melts: crystallization temperatures, solubilities in silicate melts, and Fe, Ni, and Cu partitioning between basaltic magmas and olivine / A. J. Naldrett Vapor associated with mafic magma and controls on its composition / E. A. Mathez Geochemistry of platinum-group elements in mafic and ultramafic rocks / E. A. Mathez & C. L. Peach Komatite-associated nickel sulfide deposits / C.M. Lesher Ores associated with flood basalts / A. J. Naldrett Contamination and the origin of the sudbury structure and its ores / A. J. Naldrett Stratiform PGE deposits in layered intrusions / A. J. Naldrett Interactions involving fluids in the stillwater and bushveld complexes: observations from the rocks / E. A. Mathez Part II: Silicic rocks Introduction: Ore deposits associated with silicic rocks / J.A. Whitney Origin and evolution of silicic magmas / J.A. Whitney Magmatic ore-forming fluids: Thermodynamic and mass-transfer calculations of metal concentrations / P.A. Candela Felsic magmas, volatiles, and metallogenesis / P.A. Candela Granitoid textures, compositions, and volatile fugacities associated with the formation of Tungsten-dominated skarn deposits / J.D. Keith, W. van Middelaar, A. H. Clark, & C. J. Hodgson
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  • 18
    Monograph available for loan
    Monograph available for loan
    St. John's, Newfoundland : Geological Association of Canada
    Associated volumes
    Call number: M 93.0068/33
    In: Geological Association of Canada special paper
    Type of Medium: Monograph available for loan
    Pages: 259 S.
    Series Statement: Geological Association of Canada special paper 33
    Language: English
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  • 19
    Monograph available for loan
    Monograph available for loan
    Geneva : WMO
    Associated volumes
    Call number: MOP Per 850(36)
    In: Instruments and observing methods report
    In: WMO TD
    Type of Medium: Monograph available for loan
    Pages: 79 S. : graph. Darst.
    Series Statement: Instruments and observing methods report 36
    Language: English
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  • 20
    Monograph available for loan
    Monograph available for loan
    Chichester [u.a.] : Wiley
    Call number: M 93.0114
    Type of Medium: Monograph available for loan
    Pages: XX, 399 S.
    Edition: 2nd ed., repr. with corr.
    Language: English
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  • 21
    Monograph available for loan
    Monograph available for loan
    Oxford [u.a.] : Pergamon Press
    Call number: M 93.0047
    Type of Medium: Monograph available for loan
    Pages: 134 S. : Ill., graph. Darst.
    Language: English
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  • 22
    Call number: ILP/M 06.0288
    In: Publication of the International Lithosphere Programme
    Type of Medium: Monograph available for loan
    Pages: 199 S. : graph. Darst.
    Series Statement: Publication of the International Lithosphere Programme 120
    Language: English
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  • 23
    Call number: ILP/M 06.0327
    In: Publication of the International Lithosphere Programme
    In: Global geoscience transect
    Type of Medium: Monograph available for loan
    Pages: iii, 126 S. : graph. Darst.
    Series Statement: [Publication of the International Lithosphere Programme]
    Language: English
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  • 24
    Call number: ILP/M 06.0330
    In: Publication of the International Lithosphere Programme
    In: Special publication / Norges Geologiske Undersøkelse
    Type of Medium: Monograph available for loan
    Pages: 123 S. : graph. Darst. + 2 Kt.
    Series Statement: [Publication of the International Lithosphere Programme] 3
    Language: English
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  • 25
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Wiley
    Call number: M 96.0352
    Type of Medium: Monograph available for loan
    Pages: xix, 754 S.
    Edition: 2nd ed.
    ISBN: 0471815047
    Classification:
    C.3.3.
    Language: English
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  • 26
    Call number: ILP/M 06.0325
    In: Publication of the International Lithosphere Programme
    Type of Medium: Monograph available for loan
    Pages: 380 S. : zahlr. graph. Darst.
    Series Statement: [Publication of the International Lithosphere Programme]
    Language: English
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  • 27
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Springer
    Call number: M 15.89036
    Description / Table of Contents: The classical theories of Linear Elasticity and Newtonian Fluids, though trium phantly elegant as mathematical structures, do not adequately describe the defor mation and flow of most real materials. Attempts to characterize the behaviour of real materials under the action of external forces gave rise to the science of Rheology. Early rheological studies isolated the phenomena now labelled as viscoelastic. Weber (1835, 1841), researching the behaviour of silk threats under load, noted an instantaneous extension, followed by a further extension over a long period of time. On removal of the load, the original length was eventually recovered. He also deduced that the phenomena of stress relaxation and damping of vibrations should occur. Later investigators showed that similar effects may be observed in other materials. The German school referred to these as "Elastische Nachwirkung" or "the elastic aftereffect" while the British school, including Lord Kelvin, spoke ofthe "viscosityofsolids". The universal adoption of the term "Viscoelasticity", intended to convey behaviour combining proper ties both of a viscous liquid and an elastic solid, is of recent origin, not being used for example by Love (1934), though Alfrey (1948) uses it in the context of polymers. The earliest attempts at mathematically modelling viscoelastic behaviour were those of Maxwell (1867) (actually in the context of his work on gases; he used this model for calculating the viscosity of a gas) and Meyer (1874).
    Type of Medium: Monograph available for loan
    Pages: XIV, 266 S. , graph. Darst.
    Language: English
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  • 28
    Monograph available for loan
    Monograph available for loan
    New York (N.Y.) : Dover
    Call number: M 15.89042
    Type of Medium: Monograph available for loan
    Edition: Repr. [d. Ausg.], New York, American Elsevier Pub., 1972, with corrections
    ISBN: 978-0-486-65675-5 , 0-486-65675-6
    Series Statement: Dover books on physics and chemistry
    Classification:
    Hydrology
    Language: English
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  • 29
    Monograph available for loan
    Monograph available for loan
    New York : Dover
    Call number: M 15.89101
    Type of Medium: Monograph available for loan
    Pages: XVIII, 381 S
    Edition: Repr
    ISBN: 0486661326
    Language: English
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  • 30
    Monograph available for loan
    Monograph available for loan
    Garmisch-Partenkirchen : Institut für atmosphärische Umweltforschung der Fraunhofer- Gesellschaft
    Call number: MOP 44829 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 25 S. , graph. Darst.
    Language: English
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  • 31
  • 32
    Monograph available for loan
    Monograph available for loan
    [Edgecumbe, N.Z.] : A. Muller
    Call number: M 15.89146
    Description / Table of Contents: An account of the results of the 2 March 1987 earthquake in the eastern Bay of Plenty and the aftermath's effects on the people and places on the Rangitaiki Plains
    Type of Medium: Monograph available for loan
    Pages: 223 S., , Ill.
    Language: English
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  • 33
    Monograph available for loan
    Monograph available for loan
    Portland, Or. : Timber Press
    Call number: PIK N 630-15-89166
    Type of Medium: Monograph available for loan
    Pages: 140 S., 64 S. Tafeln , Ill. , 23 cm.
    Edition: 1995 repr.
    ISBN: 0881920789 (pbk.)
    Language: English
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  • 34
    Monograph available for loan
    Monograph available for loan
    New Delhi : Director General of Meteorology
    Call number: PIK N 454-17-90914
    Type of Medium: Monograph available for loan
    Pages: 130 S. , zahlr. graph. Darst. u. Kt.
    Language: English
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  • 35
    Series available for loan
    Series available for loan
    Leipzig : Acad. of Sciences of the GDR, Central Inst. for Isotope and Radiation Research
    Associated volumes
    Call number: ZSP-980-76
    In: ZfI-Mitteilungen, 76
    Type of Medium: Series available for loan
    Pages: 45 S. , graph. Darst.
    Edition: Preprint
    Series Statement: ZfI-Mitteilungen 76
    Language: English
    Note: Contents: Introduction. - Material and methods. - Characterization of subjects and environmental conditions. - Experimental procedure. - Evaluation of experiments. - Results. - Investigation of protein metabolism. - Investigation of energy metabolism. - Discussion. - Acknowledgements. - References.
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  • 36
    Call number: AWI G2-18-91716
    Type of Medium: Monograph available for loan
    Pages: 134 S , Ill., graph. darst , 24 cm
    Language: English
    Note: CONTENTS: 1. Introduction. - 1.1. Research at the NEA dumpsite: CRESP and the DORA project. - 1.2. Acknowledgments. - 1.3. Source term: the radionuclides of interest. - 2. Material and methods. - 2.1. Cruises to the dumpsite. - 2.2. Sampling scheme. - 3. Geochemistry. - 3.1. Introduction. - 3.2. Methods. - 3.3. Recent sedimentological history. - 3.4. Elemental and mineralogical composition of the sediment. - 3.4.1. Mineralogical composition. - 3.4.2. Major elements. - 3.4.3. Trace elements. - 3.5. Early diagenetic reactions in the sediment. - 3.5.1. Mineralization of organic matter. - 3.5.1.1. Sequence of electron acceptors and changes in redox conditions. - 3.5.1.2. Oxygen reduction. - 3.5.1.3. Nitrate, manganese and iron reduction. - 3.5.1.4. Sulfate reduction. - 3.5.2. Cation exchange. - 3.5.3. Dissolution of carbonates. - 3.6. Trace element diagenesis. - 3.6.1. Trace metals. - 3.6.2. Mn, Fe, Co. - 3.6.3. Cu, Ni, Cd, Zn. - 3.6.4. Rare earth elements. - 3.6.5. Trace element mobility; the concept of distribution coefficients. - 3.7. Diagenetic modeling. - 3.8. Measurements in the nepheloid layer. - 3.9. Conclusions on the behaviour of each of the radionuclides of major concern. - 4. Biology. - 4.1. Introduction. - 4.2. Methods. - 4.2.1. Meiofauna. - 4.2.2. Macrofauna and large meiofauna. - 4.2.3. Megafauna. - 4.2.4. Diversity of Nematoda. - 4.2.5. Trophic structure of Nematoda. - 4.3. Results and discussion. - 4.3.1. Meiofauna. - 4.3.1.1. Density. - 4.3.1.2. Biomass. - 4.3.1.3. Horizontal distribution. - 4.3.1.4. Vertical distribution. - 4.3.1.5. Composition and trophic structure of the Nematoda fauna. - 4.3.1.6. Diversity of Nematoda. - 4.3.2. Macrofauna. - 4.3.3. Large meiofauna. - 4.3.4. Comparison of meio- and macrofauna. - 4.3.5. Megafauna. - 4.3.6. Chemical analyses of bottom fishes. - 4.4. Foodweb. - 4.5. Primary production. - 4.6. Conclusions. - 5. Bioturbation. - 6. Summary and conclusions regarding the fate of radionuclides released at the seafloor. - 7. References.
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  • 37
    Call number: AWI G2-18-91717
    Type of Medium: Monograph available for loan
    Pages: 60 Seiten , Illustrationen, graphische Darstellungen
    Language: German , English
    Note: POSTER: ODP Leg 122 - Palynostratigraphie und Korrelation von Site 759 und Site 760 / W. Brenner. - Stoffbestand, Genese und Entwicklung gabbroider Gesteine der ozeanischen Unterkruste / R. Emmermann & A. Hoffmann. - Massenspektrometrische Bor-Isotopenbestimmung in Ozeanbodenbasalten und -sedimenten / J. Erzinger & E. Zuleger. - Fazies und Paläozeanographie glazial/interglazialer Sedimente des Europäischen Nordmeers / R. Henrich. - Geochemische Untersuchungen an Aschenlagen der Südatlantik-Legs 113 und 114 / H.-W. Hubberten, W. Morche, F. Westall & D. K, Fütterer. - Heat flow and fluid flow in deep-sea sediments and ocean crust / J. Mienert & R. P. von Herzen. - ODP Leg 114: Bolboforma (Algae, Chrysophyta) im subantarktischen Paläogen / D. Spiegler. - Magnetostratigraphie tertiärer Sedimentfolgen vom Maud Rise, Weddell See - Ergebnisse von ODP Leg 113 / V. Spiess & N. Nowaczyk. - Sedimentologische Untersuchungen an quartären und tertiären Sedimenten von ODP Site 647, Labrador See / R. Stax & R. Stein. - Corg-Gehalt und Sedimentationsrate - ein 'Paleoenvironment-Indikator' in marinen Sedimenten / R. Stein. - Calcareous nannofossils from DSDP Hole 530A: their biostratigraphy and correlation with paleomagnetic reversals / J. C. Steinmetz & H. Stradner. - Eine Methode zur genetischen Unterscheidung der magnetischen Mineralfraktion in Tiefseesedimenten / T. von Dobeneck. - VORTRÄGE : Zur Stabilität der Magnetosomen: typische Magnetofossilien im limnischen und marinen Bereich / G. Amarantidis, H. Vali, G. Morteani, J. Müller, N. Petersen & L. Bachmann. - Austauschprozesse des organischen Materials zwischen Porenwasser und Sediment - Leg 112, Peru Margin / Arbeitsgruppe E. T. Degens. - Planung von Bohrungen in sediment-bedeckten Krustenakkretionszonen / H. Bäcker. - Chemische Stoffbilanzen zwischen Meerwasser, ozeanischer und ophiolithischer (Troodos) Kruste / U. Bednarz & H.-U. Schmincke. - Mikrogefüge, Deformationsmechanismen und Fluids im Barbados-Akkretionskeil / J. H. Behrmann & D. J. Prior. - Organische Geochemie der Sites 767 und 768, ODP Leg 124, Celebes und Sulu See / U. Berner. - Die sedimentären Abfolgen der Celebes und Sulu See (Leg 124) / Ch. Betzler & Leg 124 Shipboard Scientific Party. - Zusammensetzung und Herkunft von Aschenlagen und die Frage magmatischer Episodizität im Nordatlantik / P. R. Bitschene & H.-U. Schmincke. - Die vulkano-tektonische und magmatische Entwicklung des Kerguelen Plateaus (KP, südlicher Indischer Ozean) / P. R. Bitschene, K. Mehl, H.-U. Schmincke & Leg 120 Shipboard Party. - The Toba Ash, older tephra layers and basement rocks of the eastern Indian Ocean - ODP Leg 121 / J. Dehn, H.-U. Schmincke & Leg 121 Shipboard Party. - Schwellen-Becken-Sedimentation im Jura: Vergleich Alpen Atlantik / O. Ebli. - Glaziale Entwicklung der Prydz Bay, Ostantarktis (ODP Leg 119) / W. U. Ehrmann. - Palynologische Untersuchungen in miozänen Sedimenten des Nordatlantiks - erste Ergebnisse von Site 408/Leg 49; Site 554/ Leg 81 und Site 400/ Leg 48 / E. Engel & H. Zankl. - Känozoische Biochronologie und Paläozeanographie der Norwegischen See: Synthese ODP Leg 104 / R. Goll, S. Locker, O. Spiegler, U. Beil, R. Henrich & J. Thiede. - Magnetostratigraphie der Sedimente von Leg 120 / F. Heider, H. Inokuchi & ODP Leg 120 Shipboard Scientific Party. - Flüssigkeitseinschlüsse als Indikator für hochtemperierte Alteration im Sheeted Dike Komplex der ozeanischen Kruste (Bohrung 504B, Leg 111) / P. M. Herzig, D. Schöps & G. Friedrich. - Zum geologischen Aufbau des argentinischen Kontinentalrandes: Ergebnisse einer seismischen Übersichtsmessung der BGR / K. Hinz & H. Meyer. - Zur Ablagerungsgeschichte des Kerguelen Plateaus, südlicher Indischer Ozean (ODP Leg 120) / A. Mackensen & Leg 120 Scientific Party. - Entstehung des Kerguelen - Plateaus: erste Ergebnisse der Legs 119 und 120 / K. Mehl, P. R. Bitschene, H.-U. Schmincke & Leg 119 Shipboard Party. - Ein Modell für globale Plattenbewegungen im Mesozoikum und Känozoikum / R. D. Müller. - Biostratigraphisch-paläontologische Ergebnisse von ODP Leg 123 / J. Mutterlose. - Zyklische Sedimentation in der Mittelkreide von Umbrien / S. Noe. - Compositional variation and internal structure of igneous oceanic crust exposed in the Galapagos Microplate / T. H. Puchel & N. Blum. - Pauschale und molekulare organisch-geochemische Signale in den Sedimenten der Auftriebszone vor Peru (ODP Leg 112) / J. Rullkötter, H. L. Ten Haven, R. Stein, R. Littke & D. H. Welte. - Leg 123 - Multivariate Statistik zur Sedimentologie / M. Schott. - Wird es arktische Tiefseebohrungen geben? / J. Thiede. - Die Geburt des Indischen Ozeans (erste Ergebnisse von ODP-Leg 123/ Argo Abyssal Plain off NW Australia) / J. Thurow & Shipboard Scientific Party ODP-Leg 123. - Die Klimaentwicklung der Sahara und der Sahelzone während der letzten 8 Mill. Jahre (Ergebnisse von ODP-Sites 657-661) / R. Tiedemann, M. Sarnthein, B. Stabell & R. Stein. - HRTEM characterization of single-domain magnetic particles from a deepsea sediment / H. Vali, J. L. Kirschvink, G. Morteani, L. Bachmann & N. Petersen. - Paläoenvironment der Riftphase und des Rift-Drift-Übergang am Exmouth Plateau (NW Australien): Kurzbericht über ODP-Leg 122 und ein BGR-Forschungsprojekt / U. von Rad, W. Brenner & G. Wirsing. - Fluktuationen und Biostratigraphie benthischer Foraminiferen an Site 658 und 659, Leg 108 (Pleistozän, Pliozän) / P. Weinholz & G. F. Lutze.
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  • 38
    Call number: AWI G2-18-91721
    Type of Medium: Monograph available for loan
    Pages: 111 S. : , graph. Darst., Kt.
    Language: German , English
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  • 39
    Monograph available for loan
    Monograph available for loan
    München : Institut für Allgemeine und Angewandte Geologie, Ludwig-Maximilians-Universität
    Call number: AWI G6-18-91729
    Type of Medium: Monograph available for loan
    Pages: 45 Seiten , Illustrationen, Karten , 30 cm
    Language: English
    Note: Contents: Age and correlation of metamorphic basement in Edward VII Peninsula Marie Byrd Land and Southern New Zealand / C. J. Adams & S. D. Weaver. - Granite Harbour intrusives from North Victoria Land between David and Aviator Glaciers: new geochronological and isotope data / P. Armienti, C. Ghezzo, F. Innocenti, P. Manetti, S. Rocchi & S. Tonarini. - Granulites in the Kottas Mountains, Antarctica: geology, geochronology and geochemistry / N. T. Arndt, C. Chauvel, W. Todt, M. Tapfer & K. Weber. - Utility of 87Sr/86Sr ratios of biogenic carbonate to estimate ages of sedimentary and climatic events in Antarctica / E. Barrera & P. N. Webb. - Cooling patterns in Western Dronning Maud Land, Antarctica, and Southwestern Africa and their implications to Gondwana / J. M. Barton & A. B. Moyes. - U-Pb isotopic systematics of zircons from polymetamorphic rocks of Eastern Enderby Land / B. V. Belyatsky, L. K. Levsky & E. N. Kamenev. - Geochronology and climastratigraphy of tertiary glacial and interglacial successions on King George Island, South Shetland Islands / K. Birkenmajer. - Reliability of potassium-argon dating of cretaceous-tertiary island-arc volcanic suite of King George Island, South Shetland Islands / K. Birkenmajer, E. Soliani, Jr. & K. Kawashita. - Sequence stratigraphy for cenozoic glacial rocks of the Antarctic Continental margin - a lesson from Prydz Bay Drilling / A. K. Cooper. - Jurassic accretion of a high buoyancy guyot in Southern-most South America: the Diego Ramirez Islands / J. Davidson, E. Godoy, F. Herve, C. Mpodozis & N. Munoz. - Age and petrogenesis of the granitic basement rocks, Brown Hills, Transantarctic Mountains / R. P. Felder & G. Faure. - Age of the Chlamys-Bearing Conglomerate (paleogene) from King George Island in the light of micropaleontological data / A. Gazdzicki. - Tectonic implications of 40Ar/39Ar ages from the Elephant Island Group, Antarctica / A. M. Grunow, I. W. D. Dalziel, T. M. Harrison & M. T. Heizler. - New Rb-Sr age data on the Scotia metamorphic complex at Clarence Island / F. Herve, H. Miller, W. Loske, A. Milne & R. Pankhurst. - Sedimentary structures in rift basins on the conjugate margins of Antarctica/Ross Sea and Australia/Western Tasmania, South Tasman Rise / K. Hinz, M. Hemmerich, U. Salge & O. Eiken. - Was there a significant glacial episode on the Antarctic Peninsula during the middle Holocene? / Chr. Hjort & O. Ingolfsson. - Rb-Sr and K-Ar dating of granite harbour intrusives and rhyolites from North North Victoria Land, Antarctica / H. Kreuzer, C. Carl, A. Höhndorf, P. Müller, N. W. Roland & F. Tessensohn. - Radiometric dating of Jurassic supergroup Tholeiites: a review / P. R. Kyle. - Cretaceous-tertiary history of the Kergulen Plateau revealed from the Marion Dufrese Piston Core and dredging crusies / L. Leclaire, F. Fröhlich & Y. Bassias. - Geologic events of the last 100 million years revealed by K-Ar dating of volcanic rocks in Marie Byrd Land / W. E. LeMasurier & D. C. Rex. - Radiolarian biochronology from the subantarctic Atlantic Ocean / H. Y. Ling. - U-Pb Zircon ages of xenoliths at Cape Dubouzet, Northern Antarctic Peninsula / W. Loske, H. Miller, A. Milne & F. Herve. - Th-230 and Be-10 chronology of sediments from the Weddell Sea / A. Mangini, P. Walter & A. Eisenhuber. - Tephrostratigraphical investigations on marine and limnic ash-layers from Bransfield Strait Region, Antarctica / D. Matthies, R. Mäusbacher & D. Storzer. - Significance of detrital zircons from the Trinity Peninsula Group sediments for the reconstruction of Gondwana / H. Miller & W. Loske. - Geochronology of the basement to Graham Land, Antarctic Peninsula / A. J. Milne & I. L. Millar. - Implications of Sm-Nd garnet ages for the stratigraphy of Northern Graham Land, Antarctic Peninsula / A. J. Milne, I. L. Millar & A. G. Whitham. - A review of isotopic data from Western Dronning Maud Land, Antarctica / A. B. Moyes & J. M. Barton Jr. - Metamorphic rocks and charnokite in Gjelsvikfiella and Western Muhlig-Hofmannfjella, and their Rb/Sr ages / Y. Otha & B. Torudbakken. - The geochronology of the Jones Mountains and Thurston Island, Central West Antarctica / R. J. Pankhurst, I. L. Millar, A. M. Grunow & B. C. Storey. - Sr isotopes in volcanic rocks from Deception Island, and their genetic significance / C. A. Parica & H. A. Ostera. - Paleomagnetic stratigraphy of drill-cores from McMurdo Sound and Taylor Valley, Antarctica / H. J. Rieck. - Variability of scavenging in the Southern Ocean. Implications for stratigraphy based on radioisotope- and manganese accumulation / M. M. Rutgers van der Loeff & G. W. Berger. - Dating of the cenozoic magmatic province at the Ross Sea Coast of Northern Victorica Land, Antarctica / M. Schmidt-Thome, H. Kreuzer, H. Lenz, P. Müller, F. Tessensohn & U. Vetter. - Reconnaissance fission track dating within West Antarcticca / B. C. Storey, R. J. Pankhurst, I. B. Evans & A. Carter. - New radiometric age data from Elephant Island, South Shetland Islands / R. A. J. Trouw, R. J. Pankhurst & K. Kawashita. - Antarctic cenozoic geochronology / P. N. Webb. - Radiometric age determinations of late cenozoic alkalli McMurdo Volcanic Group Rocks. Discovery volcanic subprovince, Ross Sea, Antarctica / A. C Wright-Grassham, P. R. Kyle, K. Foland, F. Mcdowell & D. Lux.
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  • 40
    Call number: 4/O 8932
    In: Lecture Notes in Earth Sciences
    Description / Table of Contents: The particular behavior of trace metals in the environment is determined by their specific physico-chemical form rather than by their total concentration. The introduction of atomic absorption spectrometry has lead to a plethora of scientific papers and reports in which metal concentrations in the environment are only reported as total concentrations. Only recently has the need for improved knowledge on the various forms and bioavailability of metals been realised. Considerable research effort is now devoted to measuring the concentrations of trace metals in surface waters. Efforts are made to couple chemical analytical techniques to process-related biological problems. The proceedings of the workshop on The Speciation of Metals in Water, Sediment and Soil Systems held in Sunne, Sweden, comprise these efforts and show aspects for further cooperation between analytical chemists and biologists
    Type of Medium: Monograph available for loan
    Pages: V, 190 Seiten , Illustrationen
    Edition: Online edition Springer eBook Collection. Earth and Environmental Science
    ISBN: 9783540477334
    Series Statement: Lecture Notes in Earth Sciences 11
    URL: Volltext  (ZZ)
    Language: English
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  • 41
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-85/17
    In: CRREL Report, 85-17
    Description / Table of Contents: This report presents the results of tests of the ice friction coefficient carried out during the May 1984 expedition of the F.S. Polarstern off the coast of Labrador. The test surfaces were Inerta-160-coated steel plates and bare steel plates, hand roughened and sandblasted. The main findings of the studies were: 1) columnar and granularpea ice showed no significant differences in friction coefficient; 2) for columnar ice was independent of ice crystal orientation with respect to test surface; 3) was Independent of normal pressure applied on ice sample; 4) initially decreased with increasing relative velocity between the Ice sample and the test surface and reached a steady value at higher speeds; 5) Uk increased with increasing surface roughness; 6) a wetting surface exhibited a higher friction coefficient than a non-wetting surface of the same or even higher roughness average.
    Type of Medium: Series available for loan
    Pages: iv, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 85-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test procedure Test apparatus Test surfaces Ice samples Test program Results and discussion Effect of wear of ice sample Effect of normal pressure Effect of velocity, crystal orientation and surface conditions Results summary Comparison with laboratory study Recommendations on test apparatus Literature cited Appendix A : Test results
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  • 42
    Call number: AWI A1-19-93224
    Type of Medium: Monograph available for loan
    Pages: 38 Seiten , Illustrationen , 23 cm
    Language: English
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  • 43
    Call number: MOP 46288 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 1 Band , Illustrationen
    Language: English
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  • 44
    Monograph available for loan
    Monograph available for loan
    Berlin : VEB Verlag Technik
    Call number: MOP 47190 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 360 Seiten , 2 Tabellen
    Edition: 3., bearbeitete Auflage
    ISBN: 3-341-00538-2
    Series Statement: Technik-Wörterbuch
    Language: German , English
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  • 45
    Monograph available for loan
    Monograph available for loan
    Potsdam : Zentralinstitut für Physik der Erde
    Associated volumes
    Call number: MOP 46498 / Mitte
    In: Veröffentlichungen des Zentralinstituts für Physik der Erde, 102
    Type of Medium: Monograph available for loan
    Pages: 55 Seiten
    Series Statement: Veröffentlichungen des Zentralinstituts für Physik der Erde
    Language: English
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  • 46
    Call number: ZSP-201-85/16
    In: CRREL Report, 85-16
    Description / Table of Contents: This report presents the results of the second phase of a test program designed to obtain a comprehensive understanding of the mechanical properties of multi-year sea ice from the Alaskan Beaufort Sea. In Phase 2, 62 constant-strain-rate uniaxial compression tests were performed on horizontal and vertical ice samples from multi-year pressure ridges to examine the effect of sample orientation on ice strength. Also conducted were 36 constant-strain-rate tension tests, 55 conventional triaxial tests and 35 constant-load compression tests on multi-year pressure ridge samples to provide data for developing ice yield criteria and constitutive laws. Data are presented on the strength, failure strain and modulus of multi-year sea ice under different loading conditions. The effects of ice temperature, porosity, structure, strain rate, confining pressure and sample orientation on the mechanical properties of multi-year sea ice are examined.
    Type of Medium: Series available for loan
    Pages: vi, 89 Seiten , Illustrationen
    Series Statement: CRREL Report 85-16
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field sampling program Site selection and description Coring procedures Core logging procedures Shipping and storage of ice samples Ice description Salinity and density Structure Constant-strain-rate compression tests Test variables Uniaxial compressive strength Strength and structure Strength and porosity Residual compressive strength Failure strain Initial tangent modulus Constant-strain-rate uniaxial tension tests Test variables Uniaxial tensile strength Failure strains Initial tangent modulus Constant-strain-rate triaxial tests Equipment Test variables Synthane end caps Triaxial strength Failure strains Initial tangent modulus Effect of sinthane end caps on results Constant-load compression tests Test variables Test results Conclusions Literature cited Appendix A: Ice structure profile of ridge C core Appendix H: Test data Appendix C: Static determination of Young's modulus in sea ice
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  • 47
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-89/21
    In: CRREL Report, 89-21
    Description / Table of Contents: The physical characteristics of blue ice ablation areas in Antarctica are described and some representative ablation rates are given. The possibilities for using blue-ice areas as airfields are outlined and exploratory surveys are mentioned. Site details are given for icefields at Mount Howe, Mill Glacier, Patriot Hills, Rosser Ridge, Mount Lechner, S1 near Casey station, and on the Ross Ice Shelf near McMurdo station. The surface roughness of blue ice is discussed, microrelief surveys are presented for Mount Howe and Patriot Hills, and spectral analyses are used to develop relations between bump height and wavelength. U.S. military specifications for the roughness limits of various types of runways are summarized and graphical comparisons are made with the roughness analyses for Mount Howe and Patriot Hills. Special machines for smoothing ice runways are discussed and design specifications are developed. Some notes on ground facilities and ground transport are included. Appendices give discussions of weather patterns in the Transantarctic Mountains and methodology for making spectral analyses of surface roughness. It is concluded that glacier-ice airfields for conventional transport aircraft can be developed at low cost in Antarctica. Recommendations for further work are offered.
    Type of Medium: Series available for loan
    Pages: v, 105 Seiten , Illustrationen
    Series Statement: CRREL Report 89-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Blue-ice areas Blue-ice areas as airfield sites The formation of blue-ice areas Ablation rates at blue-ice areas Exploratory surveys at blue-ice areas Mount Howe Mill Glacier / Plunket Point Patriot Hills Rosser Ridge Mount Lechner The S-1 site near Casey station The McMurdo "Pegasus Site" Surface roughness of blue ice Analysis and characterization of surface roughness Surface preparation to reduce ice roughness Ground facilities Ground transport Conclusions and recommendations Literature cited and selected references Appendix A: Survey data for Patriot Hills, Mount Howe and Mill Glacier Appendix B: Analysis of surface roughness at blue-ice sites Appendix C: Meteorological conditions to be expected in summer in the Trans-antarctic Mountains
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  • 48
    Call number: ZSP-201-89/10
    In: CRREL Report, 89-10
    Description / Table of Contents: In early fall 1984, a questionnaire was sent to over 325 general aviation airports in cold regions. The results from over 200 responses were compiled and evaluated and over 20 airport managers were contacted for additional details. Site visits were made to 36 airports to obtain additional information. The most common pavement problems identified in the study were associated with non-traffic-related phenomena and include 1) pre-existing cracks reflecting through asphalt concrete overlays (in two years less), 2) thermal cracking, and 3) longitudinal cracking (at a construction joint). Most of the airports experienced 1) water pumping up through cracks and joints in the pavements during spring thaw, or 2) additional roughness due to differential frost heave in the winter, or both problems. Many airport managers reported that debris was generated at cracks during the winter and spring. Many pavement problems can be traced to the evolutionary history of general aviation airports and the lack of consideration for site drainage. Based on the recognition of these problems, several future research programs are identified.
    Type of Medium: Series available for loan
    Pages: v, 147 Seiten , Illustrationen
    Series Statement: CRREL Report 89-10
    Language: English
    Note: CONTENTS Abstract Preface Introduction Statement of the problem Purpose and scope Background - the physical environment and airport pavements Physical environment of study area Comparison of highway and general aviation airport pavements Types of pavements and surface treatments Pavement distress and condition rating Surveys of airport pavement distress Airport pavement performance problems in cold regions Cracking Distortion and pavement faulting Disintegration Inadequate skid resistance Improper maintenance Stripping Statement of research needs Basis for statement of research needs Performance of overlays Recycling/reconstructing airport pavements Drainage of airport pavement structures Eliminating/accommodating differential frost heave Evaluation of adequacy of design procedures Maintenance products and performance Control of transverse cracking Additives for asphalt concrete Performance documentation Wildlife conservation vs aircraft safety Literature cited Appendix A: Questionnaire and listing of airports contacted Appendix B: Summary listing of questionnaire responses Appendix C: Narrative summary of site visits
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  • 49
    Call number: MOP 47101 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 96 Seiten
    Edition: printed as manuscript
    Language: English
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  • 50
    Call number: MOP 45384/7 / Mitte
    In: WMO TD / World Meteorological Organization, No. 121
    Type of Medium: Series available for loan
    Pages: 55 Seiten , 30 cm
    Series Statement: WMO TD / World Meteorological Organization 121
    Language: English
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  • 51
    Call number: MOP 45384/6 / Mitte
    In: WMO TD / World Meteorological Organization, No. 54
    Type of Medium: Series available for loan
    Pages: [69] Seiten , 30 cm
    Series Statement: WMO TD / World Meteorological Organization 54
    Language: English
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  • 52
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/10
    In: CRREL Report, 86-10
    Description / Table of Contents: Icing of a four-bladed rotor was studied under natural conditions at the top of Mt. Washington, N.H. The rotor had two cylindrical blades and two airfoil blades. The results were compared with studies conducted in icing wind tunnels. Considerable differences in icing regimes were observed. For instance, with comparable liquid water content and wind speed the wet-to-dry growth regime transition temperature was up to 10 C higher under natural conditions than in the wind tunnel studies. Results of other studies made under natural conditions were close to those of the present study, indicating that wind tunnel conditions are significantly different from natural conditions. Close examination of the conditions indicated that supersaturation of water vapor existing in most of the wind tunnel studies is the most probable cause of the differences.
    Type of Medium: Series available for loan
    Pages: v, 68 Seiten , Illustrationen
    Series Statement: CRREL Report 86-10
    Language: English
    Note: CONTENTS Abstract Preface Introduction Site weather Site selection Equipment Rotor Data logger Rotoscope Laser profile camera Thin section preparation Run procedure Sample collection and shutdown Dry runs and static runs Results and discussion Wet-to-dry growth regime transition Stagnation line icing rate Icing rate on cylindrical and airfoil blades Liquid water content vs stagnation line icing rate Droplet capture efficiency index Temperature rise Morphological and crystallographic aspects Summary and conclusion Literature cited Appendix A: Chronology of events .. Appendix B: Narrative description of icing runs Appendix C: Weather summary sheets for test days Appendix D: Signal conditioner circuit diagram and sample printout
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  • 53
    Call number: ZSP-201-86/11
    In: CRREL Report, 86-11
    Description / Table of Contents: This initial study of the ice-covered Tanana River, near Fairbanks, Alaska, attempted to 1) establish field methods for systematic and repetitive quantitative analyses of an ice-covered river's regime, 2) evaluate the instruments and equipment for sampling, and 3) obtain the initial data of a long-term study of ice cover effects on the morphology, hydraulics and sediment transport of a braided river. A methodology was established, and detailed measurements and samplings, including profiling by geophysical techniques, were conducted along cross sections of the river. A small, portable rotary drill rig equipped with a 356-mm (14-in.) ice auger was used to cut large diameter holes in the ice cover for through-the-ice measurements. Portable heat sources and a heated shelter were required to continuously thaw and dry equipment for the repetitive measurements. Measurements included ice cover thickness, water level, water depth, temperature, flow velocity, suspended load and bed load, frazil ice distribution and bed material composition. Remotely gathered data included apparent resistivity and subsurface radar profiling. The various techniques, sampling gear and problems encountered during use in the subfreezing cold are described in detail in this report.
    Type of Medium: Series available for loan
    Pages: v, 49 Seiten , Illustrationen
    Series Statement: CRREL Report 86-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Study objectives and field locale Study site Equipment Vehicles Drilling equipment Sampling equipment Geophysical equipment Shelter and icing control Surveying equipment Miscellaneous equipment Field techniques and methodology Logistics Drilling procedures Data collection Geophysical analyses Experiences summary Morphology, transport and hydraulic data Mid-winter physical characteristics Hydraulic characteristics Sediment transport Late winter physical characteristics Seasonal morphology Geophysical data interpretation Spatial morphology Frazil ice characteristics Discussion and conclusions Recommendations Equipment Research Literature cited
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  • 54
    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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  • 55
    Call number: AWI P7-20-93383
    In: SPRI Review, 86
    Type of Medium: Series available for loan
    Pages: 26 Seiten , Illustrationen
    Series Statement: SPRI Review 86
    Language: English
    Note: Contents Report from the Director Research overviews Sea ice studies Glacier geophysics Remote sensing Northern and social affairs Library and information service Aquisitions Archives and museum Teaching, lectures and colloquia International activities Research and visiting scholars Friends of the Polar Institute Gino Watkins Memorial Fund Research Abstracts Sea ice Glacier geophysics Social sciences Institute staff Publications
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  • 56
    Call number: AWI P7-20-93387
    In: SPRI Review, 85
    Type of Medium: Series available for loan
    Pages: 31 Seiten , Illustrationen
    Series Statement: SPRI Review 85
    Language: English
    Note: Contents Report from the Director Research overviews Sea ice studies Glacier geophysics Remote sensing Library and information service Gifts Bowers appeal Teaching and lecturing International activities Research and visiting scholars Friends of the Polar Institute Gino Watkins Memorial Fund Research Abstracts Publications Staff Finance
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  • 57
    Call number: MOP 45321 / Mitte
    In: Antarctic research activities of the German Democratic Republic
    Type of Medium: Monograph available for loan
    Series Statement: Antarctic research activities of the German Democratic Republic : report to SCAR No 6
    Language: English
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  • 58
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-85/22
    In: CRREL Report, 85-22
    Description / Table of Contents: Tests in level ice on an idealized icebreaker bow in the shape of a simple wedge were conducted in the test basin. The horizontal and vertical forces on the wedge were measured, and floe size distribution in the wake of the wedge was observed. From the force measurements, the ice wedge/hull friction factor was calculated and found to be in general agreement with the friction factor measured in separate friction tests. The ice floe length and ice floe area measured in the current study were found to follow log-normal probability distributions defined by the length average L and area average A and corresponding standard deviations SL and SA. The results of these tests and other tests conducted at another facility showed that the ratios A/h2 and L/h (A =average floe area, L averagefloe length, h = ice thickness) were, for the same type of model ice, directly proportional to the parameter y/-yh. (a = ice bending strength, tj7= specific weight of water) and a/y, respectively, and independent of the velocity and ice strain modulus or ice characteristic* length. However, the coefficients of proportionality appear to depend upon the type of model ice used in the tests. The ratios Si/A were independent of o/yh but varied with the bow shape and the type of ice. The available field data are not sufficient for meaningful comparison with the laboratory results.
    Type of Medium: Series available for loan
    Pages: iv, 53 Seiten , Illustrationen
    Series Statement: CRREL Report 85-22
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experimental set-up and conditions Results of wedge resistance measurements Results of floe size measurements Statistical analysis of data Comparison between model and full-scale data Conclusions and recommendations Literature cited Appendix A: Wedge tests-floe size measurements Appendix B: Wedge tests-histograms of floe length and floe area Appendix C: Cumulative frequency distributions for floe length and floe area
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  • 59
    Call number: ZSP-201-87/3
    In: CRREL Report, 87-3
    Description / Table of Contents: This report describes the structural analysis of multi-year sea ice samples that were tested in the first phase of a program designed to obtain a comprehensive understanding of the mechanical properties of multi-year sea ice from the Alaskan Beaufort Sea. Each test specimen is classified into one of three major ice texture categories: granular, columnar, or a mixture of columnar and granular ice. The crystallographic orientation, percent columnar ice, and grain size are then evaluated for the granular and/or columnar ice in the sample. Test results are interpreted with respect to these parameters. The overall composition of multi-year ridges is also considered, based on the extensive field sampling that was done in the program
    Type of Medium: Series available for loan
    Pages: iii, 40 Seiten , Illustrationen
    Series Statement: CRREL Report 87-3
    Language: English
    Note: CONTENTS Abstract Preface Introduction Sample analysis Continuous multi-year ridge core Tested multi-year ridge ice samples Tested multi-year floe ice samples Ice description Uniaxial constant-strain-rate compression tests Uniaxial constant-load compression tests Uniaxial constant-strain-rate tension tests Triaxial constant-strain-rate compression test Conclusions Literature cited Appendix A: Multi-year ridge sample data Appendix B: Multi-year floe sample data
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  • 60
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-87/10
    In: CRREL Report, 87-10
    Description / Table of Contents: Uniaxial constant-stress and constant-strain-rate compression tests were conducted on more than 200 remolded, saturated, frozen specimens of Fairbanks silt under various conditions. A series of curves of stress vs strain rate for various temperatures of strain rates ranging from about 6x10-2 to 10-8s-1show a close strength correspondence between the constant-stress and-costant strain-rate tests. All of these "complete" stress vs strain rate curves could not be described by a single power law or exponential equation, indicating that different deformation mechanisms are dominant within different ranges of strainrate Two critical strain rates for distinguishing between the different deformation mechanisms were ob-served to be near 10- 3 and 10-6 s-1 for the medium-dense frozen Fairbanks silt. The former indicates the transition from ductile failure to moderate brittle fracture as strain rate increases, while the latter indicates the transition from dislocation creep to glide creep (by the authors' definition). Based on the change in flow law, two fundamental creeps were classified: short-term creep, which is governed by glide creep, and long-term creep, which is governed by dislocation creep. The failure criterion of frozen silt has a general form of em x tm = Ef, where m depends only on density, and tm is in minutes if m is not 1. The failure strain Ef was not sensitive to temperature and strain rate over a certain range of strain rates, but it was very sensitive to density. Assur's creep model (1980) for ice was used to fit the creep data in this study. It works well for short-term creep but does not fit as well for long-term creep. The rate process theory was applied to the creep data. A very high value of experimental activation energy was obtained for lower stresses, and a very high value of apparent activation energy was observed for higher temperatures. The peak compressive strength was very sensitive to temperature and strain rate but relatively insensitive to density. While the initial tangent modulus is not-sensitive to strain rate, it increases with decreasing temperature and density.
    Type of Medium: Series available for loan
    Pages: vi, 75 Seiten , Illustrationen
    Series Statement: CRREL Report 87-10
    Language: English
    Note: CONTENTS Abstract Preface Introduction Review of previous work Specimen preparation Material Molding Testing procedure and apparatus Test results Definition of strain and stress Definition of creep failure Definition of failure in constant-strain-rate tests Definition of initial yield strength Determination of initial tangent modulus and 50% peak strength modulus Creep behavior General nature of the creep process and the failure mode Minimum creep rate Time to creep failure Relationship between t, and tm Creep failure strain and failure criterion Creep model and prediction of creep strain Strength behavior General stress-strain behavior and failure mode Peak compressive strength Initial yield strength Failure strain Initial yield strain Initial tangent modulus 50% peak strength modulus Correspondence between constant-stress tests and constant-strain-rate tests Conclusions Literature cited Appendix A: Unfrozen water content data Appendix B: Physical properties of samples tested
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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-201-86/14
    In: CRREL Report, 86-14
    Description / Table of Contents: Three methods for determining the frost susceptibility of soils are evaluated in this report. These methods are the U.S. Army Corps of Engineers frost design soil classification system, a moisture-tension/hydraulic-conductivity test, and a laboratory freeze-thaw test. The Corps method, which is based on particle size, soil classification, and a laboratory freezing test, was found to be useful for identifying frost-susceptibility. The moisture-hydraulic-conductivity test was found to be unacceptable because it required too much time and its results correlated poorly with field observations. The freeze-thaw test was determined to be the most accurate of the methods studied, including the freeze test that is a part of the Corps method. The freeze-thaw test is thoroughly described. It includes indexes of both frost-heave susceptibility (heave rate) and thaw-weakening susceptibility (CBR after thawing). It also accounts for the effects of freeze-thaw cycling and is completely automated to improve the repeatability of the test results. It is suggested that the freeze-thaw test considered as a replacement for the Corps freezing test.
    Type of Medium: Series available for loan
    Pages: v, 56 Seiten , Illustrationen
    Series Statement: CRREL Report 86-14
    Language: English
    Note: Contents Abstract Preface Introduction Description of the selected sites Corps of engineers frost design soil classification system Moisture-tension/hydraulic-conductivity tests Freezing test Validation Description of test sites and materials Sample preparation Results and analysis of laboratory tests Corps of engineers frost design soil classification system Moisture-tension/hydraulic-conductivity test Freezing test Discussion Conclusions Recommendations Literature cited Appendix A: Summary of frost-susceptibility tests on natural soil
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  • 62
    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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  • 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-201-87/13
    In: CRREL Report, 87-13
    Description / Table of Contents: Thermodynamic properties of electrolyte solutions change rapidly below 25C, but these properties are seldom measured over the low temperature range (below 0C), even though some salt solutions can remain unfrozen to -50C. The heat capacities of concentrated solutions (0.5-0.6 molal) of NaC-H2O were measured from 25C to -40C as part of a study to provide thermodynamic data of salt solutions for use in cold regions chemical and geophysical studies. A differential scanning calorimeter was used to measure specific heat capacity from cooling scans as a function of temperature and concentration. The heat capacity data were fit to the equations of Pitzer and coworkers to obtain activity and osmotic coefficients of NaC and H2O, respectively, below o C. Supercooling of the solutions was encouraged by using a fast scan rate (10d2/minute) so that specific heat could be measured to lower temperatures than would be possible if the solutions were allowed to equilibrate with the solid phases. The solubility of ice was calculated and compared to the experiment freezing point of NaC solutions.
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    Pages: ii, 16 Seiten , Illustrationen
    Series Statement: CRREL Report 87-13
    Language: English
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  • 64
    Series available for loan
    Series available for loan
    Bratislava : Hydrometeorological Service of Czechoslovakia
    Call number: MOP 47473 / Mitte
    Type of Medium: Series available for loan
    Language: English
    Location: MOP - must be ordered
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  • 65
    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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  • 66
    Dissertations
    Dissertations
    Wrocław [u.a.] : Zakład Narodowy Imienia Ossolińskich Wydawnictwo Polskiej Akademii Nauk
    Call number: MOP 47355 / Mitte
    Type of Medium: Dissertations
    Pages: 264 Seiten , Illustrationen
    ISBN: 8304030438
    Series Statement: Prace habilitacyjne / Instytut Geografii i Przestrzennego Zagowpodarowania
    Language: Polish
    Note: In polnischer Sprache
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  • 67
    Monograph available for loan
    Monograph available for loan
    Budapest : Vízügyi Dokumentációs Szolgáltató Leányvállalat
    Call number: MOP 46596 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 124 Seiten , Illustrationen
    ISBN: 9636023565
    Language: English
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  • 68
    Call number: AWI G2-19-93054
    Type of Medium: Monograph available for loan
    Pages: 57 Blätter , Illustrationen
    Language: English , German
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  • 69
    Monograph available for loan
    Monograph available for loan
    Warszawa : Polska Akademia Nauk
    Call number: MOP 47013 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 166 Seiten , graphische Darstellungen, Karten
    Language: Polish
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  • 70
    Monograph available for loan
    Monograph available for loan
    Dordrecht [u.a.] : Nijhoff
    Associated volumes
    Call number: M 96.0400
    In: Mechanics of elastic stability
    Type of Medium: Monograph available for loan
    Pages: x, 135 S.
    ISBN: 9024733197
    Series Statement: Mechanics of elastic stability 10
    Classification:
    Petrophysics
    Language: English
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  • 71
    Call number: ILP/M 06.0331
    In: Publication of the International Lithosphere Programme
    Type of Medium: Monograph available for loan
    Pages: 534 S. : graph. Darst. + 1 Kt.
    Series Statement: [Publication of the International Lithosphere Programme] 80
    Language: English
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  • 72
    Journal available for loan
    Journal available for loan
    Associated volumes
    In: Economic Geology
    Type of Medium: Journal available for loan
    Pages: S. 997-2345
    Language: English
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  • 73
    Call number: M 17.90889
    Type of Medium: Monograph available for loan
    Pages: VI, 180 S. , Ill., graph. Darst.
    ISBN: 9150605046
    Language: English
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  • 74
    Series available for loan
    Series available for loan
    Geneve : Secretariat of the WMO
    Call number: MOP Per 865(21)
    Type of Medium: Series available for loan
    Pages: 23 S. , graph. Darst.
    Series Statement: Technical reports to the Commission for Hydrology 21
    Language: English
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  • 75
    Call number: AWI P8-93-0045
    Type of Medium: Monograph available for loan
    Pages: 22 Seiten , graphische Darstellungen, Karten
    Language: English
    Note: Contents: Foreword. - Organisation of the expedition. - Project personnel. - Implementation of the expedition. - 1. Administrative prerequisites. - 2. Operational plans. - 2.1 Access to study area and routes. - 2.2 Logistics and equipment. - Purpose of the expedition. - Study area. - Short outline of the surveys. - 1. Recording of the abiotic conditions. - 2. The cartography of vegetation. - 3. The population surveys. - Preliminary results. - Short outline of the results of the lemming winter nest surveys. - Miscellanea. - Discussion. - Conclusion. - Acknowledgements.
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  • 76
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/17
    In: CRREL Report, 86-17
    Description / Table of Contents: Rime icing and freezing precipitation are of concern to the radio and television broadcasting industry. This report contains the results of a study seeking to document the severity and extent of transmitter tower icing and related problems in the northeastern United States. Information was obtained via mail questionnaire and telephone interviews with 85 station owners and engineers concerning 118 different stations. Results show that television and FM broadcasters are seriously impacted by tower icing; however, AM operators are usually not affected by expected New England icing levels. Combined annual costs for icing protection and icing-related repairs averaged $121, $402 and $3066 for AM, FM and TV stations respectively. None of the AM stations polled employ any icing protection in the three northern states averaged 80%, indicating a significant concern for icing in that region. In contrast, the percentage of FM stations with icing protection was 63.5% for the southern New England states. The usage of guyed versus non-guyed towers was a poor indicator of icing costs. However, the factors of increasing mast height and mast top elevation are significant to increasing costs.
    Type of Medium: Series available for loan
    Pages: iv, 52 Seiten , Illustrationen
    Series Statement: CRREL Report 86-17
    Language: English
    Note: Contents Abstract Preface Introduction Background Types of accretions Problems caused by icing Prevention and shedding methods Results The survey Data presentation Discussion Survey response distribution Effect of icing protection on parameter averages Effect of tower type on parameter averages Moderate and more severe icing locations Relationship of climate, geography and topography to icing severity Total annual costs Conclusions Literature cited Appendix A: Tower icing survey Appendix B: Station summaries
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  • 77
    Call number: ZSP-201-87/2
    In: CRREL Report, 87-2
    Description / Table of Contents: This is the third in a series of four reports on the laboratory and field testing of a number of road and airfield subgrades, covering the laboratory repeated-load triaxial testing of five soils in the frozen and thawed states and analysis of the resulting resilient modulus measurements. The laboratory testing procedures allow simulation of the gradual increase in stiffnessfound in frost-susceptible soils after thawing. The resilient modulus is expressed in a nonlinear model in terms of the applied stresses, the soil moisture tension level (for unfrozen soil), the unfrozen water content (for frozen soil) and the dry density. The resilient modulus is about 10 GPa for the frozen material at temperatures in the range of -5° to -8° C. The decrease in modulus with increasing temperature was well-modeled in terms of the unfrozen water content. Upon thaw, the modulus dropped to about 100 MPa and generally increased with increasing confining stress and decreased with increasing principal stress ratio. The modulus also increased with the soil moisture tension level. The resilient Poisson's ratio did not appear to be a systematic function of any of the test variables.
    Type of Medium: Series available for loan
    Pages: iii, 36 Seiten , Illustrationen
    Series Statement: CRREL Report 87-2
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test sections and materials Specimen preparation Test soils Asphalt concrete Laboratory testing Soil testing Waveforms of applied stress Asphalt concrete Data reduction and analysis Soil Asphalt concrete Results and discussion General Resilient modulus Summary Conclusions Literature cited Appendix A: Soil moisture tension versus water content for several test soils Appendix B: Tabulated results for all tests on frozen and thawed soils
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  • 78
    Monograph available for loan
    Monograph available for loan
    [Erscheinungsort nicht ermittelbar] : Department of Science and Technology, Antarctic Division Australia
    Associated volumes
    Call number: AWI P2-86-0258
    In: Antarctic Telecommunications Guidance Manual, Volume 2
    Type of Medium: Monograph available for loan
    Pages: Diverse Seitenangaben (ca. 150 Seiten)
    Language: English
    Note: TABLE OF CONTENTS: Distribution List. - Introduction to Volume Two. - RADIO PROCEDURES IN ANTARCTICA. - Introduction. - Distress and emergency procedures. - Control of circuits. - Traffic procedure. - Tests. - USES OF CODES IN ANTARCTIC COMMUNICATIONS. - General. - Radio telegraphy. - Radio telephony. - Radio teleprinter and mechanised operations. - Unofficial codes. - RADIO TELEPRINTER PROCEDURE (RTTY). - General. - Test message format. - METEOROLOGICAL MESSAGES. - Format of meteorological messages. - Addressed messages. - Additional procedures. - Types of meteorological data messages. - GENERAL MESSAGE FORMAT. - EXCHANGE OF INFORMATION ON ANTARCTIC TELECOMMUNICATIONS. - EQUIPMENT AND SCHEDULES.
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  • 79
    Call number: AWI P6-19-92192
    Type of Medium: Monograph available for loan
    Pages: 266 Seiten , Illustrationen
    Language: Bulgarian , English
    Note: CONTENTS: The Antarctic - Present and future / V. Zahariev. - The ice cover and the atmospheric CO2 / K. S. Losev. - 30 Years Research Activities of the German Democratic Republic in the Antarctic / D. Fritzsche. - The bulgarian antarctic society "Antarctica" - aims, activity and prospects in the future / S. Popov. - Features of the Antarctic climate / V. Zahariev, E. Koleva, R. Stoynova. - Features of the atmosphere circulation over the Antarctic continent / V. Zahariev, L. Kristev. - Ice covering of the Antarctuc continent / V. Zahariev, L. Kristev. - Temperature conditions in the Antarctic continent / V. Zahariev, L. Kristev . - Modeling the thermali convection of the Antarctic continent / S. Stoyanov, V. Zahariev. - Gamma locator for investigation of local sources of space photons with ultra high energies / I. Kirov, J. Stamenov, S. Ushev, V. Ianminchev. - Measurements of aerosols in the coastal sone of the Antarctic continent / N. Mihnevsky, K. Velchev. - Defining antropogenic in the show sample collected from the Antarctic continent / L. Adjarova, A. Antonov, N. Mihnevsky. - Ozone holes in the Antarctic / C. Gogosheva. - Measurements of the entire ozone content during the 17th Antarctic trip of the soviet research ship "Michail Somov" / N. Nihnevsky, P. Videnov. - Problems on the polar atmospere and magnetosphere / M. Gogoshev. - On some geomagnetic phenomena / P. Ivanova. - Spectroscopic measurements of small gas quantities in the atmosphere / S. Bogdanov, P. Videnov. - An investigation of electrical properties of the water-ice phase transition for purposes of remote sensing in Antarctic / St. Kolev. - Influence of the thermodinamic interaction in the atmosphere on the ice conditions of the world ocean surface / G. Korchev, A. Korcheva. - Participation of the Bulgarian group in the 33th soviet Antarctic expedition in season 1987/1988 / Z. Vergilov, S. Kaloyanov, N. Mihnevsky, A. Chakirov. - Reconnaissance investigation of the north part of Alexander I island / N. Mihnevsky, Z. Vergilov, S. Kaloyanov, A. Chakirov. - Finding a suitable place for the experimental buildings and mounting them on Livingston island / A. Chakirov, Z. Vergilov, S. Kaloyanov, N. Mihnevsky. - Energetic requirements, energy sources, water supply, transport machinery and building works for the Antarctic scientific stations / A. Chakirov. - Ice conditions and possibilities for navigation in the areas of the islands Alexander I and Livingston / S. Kaloyanov, Z. Vergilov, N. Mihnevsky, A. Chakirov. - Portable automatic meteorological station based on a aerological sonde / H. Brinsov. - Automatic data asquisition system with battery supply for operation in heavy weather conditions / S. Kaloyanov. - Automatic observations on the propagation of the short weves / S. Kaloyanov. - The possibility for utilizing of thermal pumps in polar conditions / S. Todorov, V. Stoyanov, G. Dineva, K. Grancharov. - Working fluids in the hidraulic systems operating in polar conditions / S. Todorov, K. Grancharov, G. Dineva. - Investigation of the operation processes of diesel engines operating electric generators in polar condition / V. H. Janakiev, I. E. Ivanov, E. A. Iliev. - Some problems of human adaptation to the cold in Subantarctic / A. Ketkin. - The first geological research activities of Bulgaria in Antarctic - some new data and preliminary conclusions Alexander Island, West Antarctica / B. Kamenov, B. H. Pimpirev. - A satellite ozonometric apparatus for atmospheric ozone monitoring above the Antarctic / J. St. Jekov, K. D. Valtchev, D. Chr. Ivanova. - Measuring the total ozone content above the Antarctic with the aid of artificial earth satellite / D. Hr. Ivanova, J. St. Jekov. , In kyrillischer Schrift , Beiträge teilweise in englischer, teilweise in bulgarischer Sprache , Mit englischem Inhaltsverzeichnis
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  • 80
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-87/22
    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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  • 81
    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.
    Type of Medium: Series available for loan
    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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  • 82
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-88/2
    In: CRREL Report, 88-2
    Description / Table of Contents: While many materials undergo phase change at a fixed temperature, soil systems exhibit a definite zone of phase change. The variation of unfrozen water with temperature causes a soil system to freeze of thaw over a finite temperature range. Exact and approximate solutions are given for conduction phase change of plane layers of soil with unfrozen water contents that vary linearly and quadratically with temperature. The temperature and phase change depths were found to vary significantly from those predicted for the constant-temperature or Neumann problem. The thermal conductivity and specific heat of the soil within the mushy zone varied as a function of unfrozen water content. It was found that the effect of specific heat is negligible, while the effect of variable thermal conductivity can be accounted for by a proper choice of thermal properties used in the constant-thermal-property solution.
    Type of Medium: Series available for loan
    Pages: v, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 88-2
    Language: English
    Note: CONTENTS Abstract Nomenclature Preface Introduction Basic equations Two-zone problems Linear unfrozen water function Quadratic unfrozen water function Three-zone problems Linear unfrozen water function Quadratic unfrozen water function Conclusions Literature cited Appendix A: Derivation of the mushy zone equation Appendix B: Solution of the two-zone problem with a linear t and variable thermal properties
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  • 83
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-88/11
    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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  • 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-201-88/5
    In: CRREL Report, 88-5
    Description / Table of Contents: This report describes the structural analysis of multi-year sea ice samples that were tested in the second phase of a program designed to obtain a comprehensive understanding of the mechanical properties of multi-year sea ice from the Alaskan Beaufort Sea. Each test specimen is classified into one of three major ice texture categories: granular, columnar, or a mixture of columnar and granular ice. The crystallographic orientation, percent columnar ice, and grain size are then evaluated for the granular and/or columnar ice in the sample. Test results are interpreted with respect to these parameters. The overall composition of multi-year ridges is considered, based on the extensive field sampling that was done in the program. The effect of sample orientation on the results is also discussed.
    Type of Medium: Series available for loan
    Pages: iii, 32 Seiten , Illustrationen
    Series Statement: CRREL Report 88-5
    Language: English
    Note: CONTENTS Abstract Preface Introduction Sample analysis Continuous multi-year ridge core Tested multi-year ridge ice samples Unconfined constant-strain-rate compression tests Confined constant-strain-rate compression tests Uniaxial constant-strain-rate tension tests Discussion Conclusion Literature cited Appendix A: Multi-year ridge sample data
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  • 85
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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.
    Type of Medium: Series available for loan
    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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  • 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-201-88/16
    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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  • 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-201-85/5
    In: CRREL Report, 85-5
    Description / Table of Contents: A dynamic-thermodynamic sea ice model is extended to include a full thermodynamic code and a complete multilevel ice thickness distribution. The variable thickness formulation includes a more realistic parameterization of ice ridging than used in previous models. Seasonal simulations have been performed using this model and the results have been analyzed with particular emphasis on examination of the ridge buildup results off the Canadian Archipelago and off the North Slope. This report presents a complete description of this model and discusses progress made on examining and testing the variable thickness extensions.
    Type of Medium: Series available for loan
    Pages: vi, 60 Seiten , Illustrationen
    Series Statement: CRREL Report 85-5
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Description of the model Ice thickness equations Heat budget and oceanic boundary layer Analytic examination of the ridge redistribution process Theoretical framework Some specific redistributors Comparison to ridge morphological data Ice strength for different redistributors Numerical simulation results Basin-wide ice thickness and velocity characteristics Ice edge evolution and sensitivity Ice thickness characteristics off the Canadian Archipelago Comparison of observed and simulated ice drift Mass balance characteristics Concluding remarks Literature cited Appendix A: Mechanical redistributor Appendix B: Heat budget code Appendix C: Thickness finite difference code
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  • 88
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-85/10
    In: CRREL Report, 85-10
    Description / Table of Contents: Various methods of generating synthetic seismograms are reviewed and examples of recent applicatiors of the methods are cited. Body waves, surface waves, and normal modes are considered. The analytical methods reviewed include geometric ray theory, generalized ray theory (Cagniard-de Hoop method), asymptotic ray theory, reflectivity method, fullwave theory, and hybrid methods combining ray theory and mode theory. Two numerical methods, those of finite differences and finite elements, and a hybrid method combining finite differences with asymptotic ray theory are described Limitations on the application or validity of the various methods are stated.
    Type of Medium: Series available for loan
    Pages: v, 48 Seiten , Illustrationen
    Series Statement: CRREL Report 85-10
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Section 1. Introduction Section 2. Wave propagation in the earth Section 3. Body waves: ray theory and wave theory Geometric ray theory Wave theory Section 4. Surface waves Section 5. Normal modes Section 6. Finite-difference method Section 7. Finite-element method Section 8. Hybrid methods Section 9. Conclusion Literature cited
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  • 89
    Monograph available for loan
    Monograph available for loan
    Cambridge : World Data Center 'C' for Glaciology, Scott Polar Research Institute
    Call number: AWI G7-19-92220
    Type of Medium: Monograph available for loan
    Pages: VI, 37 Seiten , 30 cm
    Language: English
    Note: Contents: Preface. - Foreword. - Subject sections. - General articles. - Instruments and methods. - Theory of radio echo-sounding. - Applications to land ice. - Applications to floating ice. - Ancillary methods and observations. - Popular articles. - Theses and abstracts of theses.
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  • 90
    Call number: ZSP-201-86/18
    In: CRREL Report, 86-18
    Description / Table of Contents: Findings from a six-year yield and laboratory program of frost action research in four principal areas are summarized. Research on the first topic, frost susceptibility index tests, led to selection of the Corps of Engineers frost design soil classification system as a useful method at the simplest level of testing. At a much more complex level, a new freezing test combined with a CBR test after thawing is recommended as an index of susceptibility to both frost heave and thaw weakening. Under the second topic, a soil column and dual gamma system were developed and applied to obtain soil data used in improving and validating a mathematical model of frost heave, the objective of the third research topic. The model was effectively improved, a probabilistic component was added, and it was successfully tested against field and laboratory measurements of frost heave. A thaw consolidation algorithm was added, which was shown to be useful in predicting the seasonal variation in resilient modulus of granular soils, the objective of the fourth topic. A laboratory testing procedure was developed for assessing the resilient modulus of thawed soil at various stages of the recovery process, as a function of the applied stress and the soil moisture tension, which increases as the soil gradually desaturates during recovery. The procedure was validated by means of appropriate analyses of deflections measured on pavements by a falling-weight deflectometer. Frameworks for implementing findings from the principal research topics are outlined. Keywords: Airfields, Freezing thawing, Frost heave, Frozen soil, Resilient modulus, Roads.
    Type of Medium: Series available for loan
    Pages: v, 52 Seiten , Illustrationen
    Series Statement: CRREL Report 86-18
    Language: English
    Note: Contents Abstract Preface Introduction Field test sites Frost-susceptibility index testing Index tests selected Laboratory test results Conclusions Soil column and dual gamma system Design features Test results Mathematical model of frost heave and thaw settlement Model development Numerical approach Probabilistic concepts Model verification Discussion Seasonal variation in the resilient modulus of granular soils Characterization by laboratory testing Field verification Summary of predictive approach Simulating frost heave and pavement deflection Method of evaluation Results and discussion Summary of findings Frost-susceptibility index tests Soil column and dual gamma system Mathematical model of frost heave and thaw settlement Seasonal variation in resilient modulus of granular soils Implementation of research findings Corps of engineers frost design soil classification system New laboratory freeze-thaw test Frost-heave model Repeated-load triaxial test on frozen and thawed soil Evaluation of seasonal variation of resilient modulus Literature cited
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  • 91
    Call number: ZSP-201-87/6
    In: CRREL Report, 87-6
    Description / Table of Contents: Two-phase dielectric mixing model results are presented showing the electromagnetic properties of sea ice versus depth. The modeled data are compared with field measurements and show comparable results. It is also shown how the model data can be used in support of impulse radar and airborne electromagnetic(AEM) remote sensing of sea ice. Examples of the remote measurement of sea ice thickness using impulse radar operating in the 80- to 300-MHz frequency band and low-frequency (500 to 30,000 Hz) sounding techniques are presented and discussed. Keywords: Polar regions; Radar pulses.
    Type of Medium: Series available for loan
    Pages: vii, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 87-6
    Language: English
    Note: Contents Abstract Preface Nomenclature Introduction Sea ice growth and structure Model sea ice Brine salinity Seawater and model brine conductivity Complex dielectric constant of brine Electromagnetic properties of model sea ice at 100 MHz Electromagnetic properties of model sea ice at 100 and 500 MHz and 1 and 5 GHz Example of impulse radar sea ice profiling results Example of frequency-domain electromagnetic sea ice thickness sounding Concluding remarks Literature cited
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  • 92
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-87/20
    In: CRREL Report, 87-20
    Description / Table of Contents: The structure and salinity characteristics of saline ice slabs removed from ice sheets grown in an outdoor pool have been studied and related to the complex relative dielectric permittivity measured with free-space transmission techniques at 4.80 and 9.50 GHz. The saline ice closely simulated arctic sea ice in its structural and salinity characteristics, which were regularly monitored in a number of ice sheets grown during the winters of 1983-84 and 1984-85. In-situ transmission measurements at similar frequencies were also made on the ice sheets themselves using antennas located above and beneath the ice. The slab measurements were made during warming from -29° to -2°C on slabs grown during the winter of 1983-84 (4.75 GHz) and during a warming and cooling cycle over a slightly larger temperature range on slabs grown during the winter of 1984-85 (4.80 and 9.50 GHz).
    Type of Medium: Series available for loan
    Pages: v, 41 Seiten , Illustrationen
    Series Statement: CRREL Report 87-20
    Language: English
    Note: CONTENTS Abstract Preface Part I - Structural properties Introduction Experimental setup Analytical techniques Results and discussion 1983-84 experiments 1984-85 experiments Conclusions and recommendations Part Il - Microwave properties Introduction Measurement techniques Results 1983-84 experiments 1984-85 experiments 1984-85 in-situ experiments Discussion Comparison of data Analytical modeling Summary and conclusions Literature cited Appendix A: Dielectric mixing model of sea ice
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  • 93
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-89/19
    In: CRREL Report, 89-19
    Description / Table of Contents: Recent efforts to improve airborne electromagnetic induction- measurement technology and to downsize the related helicopter-towed antenna assembly from about 7.5 m long to about 3.5 m long for use in airborne measurement of sea ice thickness are discussed, as are the results from arctic field testing. Also outlined are the system noise and drift problems encountered during arctic field evaluation, problems that adversely affected the quality of the sounding data. The sea ice sounding results indicate that it should be possible to determine thickness to within 5% for ice floes with moderate relief but that, because of sounding footprint size and current model algorithm constraints, steepsided pressure ridge keels cannot be well defined. The findings also indicate that routine sea ice thickness profiling from an airborne platform is close at hand with further system improvement, as is the apparent capability to determine the conductivity of the sea ice, from which an assessment of sea ice strength can be made.
    Type of Medium: Series available for loan
    Pages: iii, 54 Seiten , Illustrationen
    Series Statement: CRREL Report 89-19
    Language: English
    Note: CONTENTS Abstract Preface Introduction Pre-field-deployment activities Software development System optimization Improvements of the calibration procedure Real-time processing Small bird design and implementation Other improvements Field activities Snow, ice and seawater data AEM surveys Calibration AEM data processing Post-survey results Processing problem Ground truth data Floe freeboard vs thickness analysis AEM sounding results Concluding remarks Literature cited Appendix A: Blowup of Figure 28
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  • 94
    Monograph available for loan
    Monograph available for loan
    Shinfield Park, Reading : European Centre for Medium-Range Weather Forecasts
    Call number: MOP 47081 / Mitte
    Type of Medium: Monograph available for loan
    Pages: iii, 393 Seiten , Illustrationen
    Language: English
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  • 95
    Call number: MOP 47556 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 32 Seiten
    Series Statement: VDI-Richtlinien 3786/5
    Language: German , English
    Location: MOP - must be ordered
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  • 96
    Call number: M 20.93851
    In: Dahlem workshop reports. Life sciences research report ; 14
    Type of Medium: Monograph available for loan
    Pages: xiii, 271 Seiten , Graphiken
    ISBN: 0-471-91817-2
    Series Statement: Dahlem workshop reports 41
    Language: English
    Note: The Dahlem Konferenzen Introduction Isolation of Humic Substances from Soils and Sediments A Critical Evaluation of the Use of Macroporous Resins for the Isolation of Aquatic Humic Substances Isolation of Soil and Aquatic Humic Substances Polymerization of Humic Stubstances in Natural Environments Selective Degradation of Plant Biomolecules Generation of Model Chemical Precursors Generation in Controlled Model Ecosystems Genesis Evolution of Structural Models from Consideration of Physical and Chemical Properties Critical Comparison of Structural Implications from Degradative and Nondegradative Approaches The Characterization and Validity of Structural Hypotheses; Binding and Transport Metals by Humic Materials Interaction of Humic Substances with Biota Environmental Photoprocesses Involving Natural Organic Matter Sedimentology of Organic Matter Environmental Reactions and Functions List of Participants with Fields of Research Subject Index Author Index
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  • 97
    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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  • 98
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/7
    In: CRREL Report, 86-7
    Description / Table of Contents: Nitrogen control in the form of ammonia removal or conversion is required, or will be required, for a significant number of military wastewater treatment systems. This reportpresents a summary of engineering criteria for those processes in most common use at military facilities in the cold regions. These processes include: trickling filters, treatmentponds, rotating biological contactors (RBC) and activated sludge. A design example is presented for each case. All four processes can achieve significant levels of ammonia removalor conversion. If ammonia discharge limits are 0.5 mg/L or less it may be necessary to use the activated sludge process. Trickling filters or RBC units are recommended for higher(〉 1 mgIL) discharge limits. Pond systems are suitable for seasonal ammonia removal incold climates.
    Type of Medium: Series available for loan
    Pages: iv, 29 Seiten , Illustrationen
    Series Statement: CRREL Report 86-7
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background and theory Trickling filters Introduction Design procedure Design example Winter operations Pond systems Introduction Design procedure Design example Winter operations Rotating biological contactors Introduction Design procedure Design example Winter operations Activated sludge systems Introduction Design procedure Design example Winter operations Comparison of alternatives Conclusions Literature cited
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  • 99
    Call number: MOP 47040 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 276 Seiten
    Language: Polish
    Location: MOP - must be ordered
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  • 100
    Call number: MOP 47040 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 276 Seiten
    Language: Polish
    Location: MOP - must be ordered
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