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  • English  (1,338)
  • German  (623)
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  • 1940-1944  (16)
  • 1925-1929
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  • 1
    Call number: D 2044/4
    In: Forschungsaufgabe "Strukturentwicklung Mitteldeutsche Hauptabbrüche und Südrand NPS"
    Type of Medium: Monograph non-lending collection
    Pages: 19 Blätter , graphische Darstellungen
    Language: German
    Note: Inhaltsverzeichnis: 1. Grundlagen, einschl. Zielstellung. - 2. Geologisch-tektonischer Überblick. - 3. Ergebnisse. - 3.1 Harzaufrichtungszone. - 3.2 Huy. - 3.3 Hakel. - 3.4 Ascherslebener Sattel. - 3.5 Straßfurter Sattel. - 3.6 Weferlinger Triasplatte und Allertal-Störungszone. - 3.7 Östliches Subherzynes Becken. - 4. Vergleich der einzelnen Untersuchungsgebiete. - 5. Zusammenfassung und Schlußfolgerungen. - 6. Literatur. - Kurze Stellungnahme Bereichsleitung ZIPE III (Geologie).
    Location: 20
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  • 2
    Call number: D 2043/4
    In: Forschungsaufgabe "Strukturentwicklung Mitteldeutsche Hauptabbrüche und Südrand NPS"
    Type of Medium: Monograph non-lending collection
    Pages: 47 Blätter , graphische Darstellungen , 20 Kartenbeilagen
    Language: German
    Note: Inhaltsverzeichnis: 0. Aufgabenstellung. - 1. Untersuchungsmethodik. - 1.1. Mächtigkeitsanalyse. - 1.2. Faziesanalyse. - 1.3. Genauigkeitsbetrachtung. - 2. Ergebnisse: Paläotektonische Entwicklung in der Trias. - 2.1. Vorbemerkungen. - 2.2. Spezielle Ergebnisse. - 2.2.1. Unterer Buntsandstein. - 2.2.2. Mittlerer Buntsandstein. - 2.2.3. Oberer Buntsandstein. - 2.2.4. Muschelkalk. - 2.2.5. Unterer Keuper. - 2.2.6. Mittlerer Keuper. - 2.2.7. Oberer Keuper. - 2.3. Grundzüge der Deckgebirgsentwicklung während der Trias. - 3. Hinweise für Folgearbeiten. - 4. Zusammenfassung. - 5. Literaturverzeichnis. - 6. Abbildungs- und Anlagenverzeichnis. - 7. Stellungnahme der Bereichsleitung.
    Location: 20
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  • 3
    Call number: D 2045/4
    In: Forschungsaufgabe "Strukturentwicklung Mitteldeutsche Hauptabbrüche und Südrand NPS"
    Type of Medium: Monograph non-lending collection
    Pages: 26 Blätter , graphische Darstellungen , 1 Kartenbeilage
    Language: German
    Note: Inhaltsverzeichnis: 1. Das Illawerra-Reversal - aktueller Kenntnisstand. - 2. Ergebnisse aus der DDR bis 12/1980. - 2.1. ROTHER 1971 und 1974. - 2.2. Scholle von Calvörde. - 2.3. Thüringer Wald. - 2.4. Referenzprofil NPS. - 3. Untersuchungsergebnisse 1981 und 1982. - 3.1. Flechtinger Scholle. - 3.2. Thüringer Wald. - 3.3. Bohrung Mirow 1/1a/74. - 3.4. Bohrung Luckenwalde 1/80. - 3.5. Bohrung Parchim 1/68. - 3.6. Bohrung Rostock 1/68. - 3.7. Bohrung Richtenberg 2/64. - 4. Magnetostratigraphisches Korrelationsschema - stratigraphische Schlußfolgerungen. - 5. Paläogeographische und paläotektonische Schlußfolgerungen. - 5.1. Zum Vorkommen größerer Schichtlücken. - 5.2. Zu intraformationellen Schichtlücken. - 5.3. Zur Intensität der Absenkungsimpulse in der NPS. - 5.4. Zur Frage einer säkulären Paläoschwelle im NE der DDR. - 5.5. Die Saxonsedimentation im Thüringer Wald und in der NPS. - 6. Folgearbeiten. - 7. Stellungnahme der Bereichsleitung ZIPE III (Geologie).
    Location: 20
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  • 4
    Call number: ZSP-SCAR-570-3
    In: National Antarctic Research Report to SCAR, No. 3
    Type of Medium: Series available for loan
    Pages: 16 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 3
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 80-October 81. - II. Planned Activities, October 81-October 82. - References.
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  • 5
    Call number: ZSP-SCAR-570-4
    In: National Antarctic Research Report to SCAR, No. 4
    Type of Medium: Series available for loan
    Pages: 24 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 4
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 81-October 82. - II. Planned Activities, October 82-October 83. - References.
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  • 6
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/43
    In: CRREL Report, 82-43
    Description / Table of Contents: The radar signatures of ice wedges and wedge-like structures have been investigated for a variety of soil conditions. The radar used for this study emitted short sinusoidal pulses of about 10-ns duration with an approximate center frequency of 150 MHz. Most of the ice wedges existed at depths of about 1 m in a variety of silty and sandy soils with both frozen and thawed active layers. The position of the wedges was usually identified from corresponding surface features. An artificial ice wedge in coarse-grained alluvium was also profiled as well as wedge-like structures of fine silt in a coarse-grained glacial outwash. All wedges and wedge-like structures produced a hyperbolic reflection profile except when an active layer of thawed, saturated silt was present which eliminated returns from the wedges. The peaks of the hyper-bolas were sometimes masked by reflections from the permafrost table or other material interfaces, and multiple hyperbolas occurred at some sites. The dielectric constant of the host medium was often calculated from the linear portions of the hyperbolas and the results were verified by laboratory time domain reflectometry measurements per-formed on field samples. In some cases, hyperbolic profiles originated at several meters depth suggesting that deep ice wedges could be detected in areas of cold permafrost.
    Type of Medium: Series available for loan
    Pages: iv, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 82-43
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Objectives and procedures Equipment used Radar TDR Definitions Massive ice Results Artificial wedge: Norwich, Vermont Ice wedges in sand: Fish Creek, Alaska Ice wedges: Prudhoe Bay, Alaska Ice wedges under thawed fine-grained soils: North Slope, Alaska Wedge-like soil structures: Ft. Greely, Alaska TDR measurements Summary and concluding remarks Literature cited Appendix A: Brief discussion of dispersion
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  • 7
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/11
    In: CRREL Report, 83-11
    Description / Table of Contents: Investigations of ground radar performance over thawed and seasonally frozen silts, and sands and gravels containing artificial and natural reflectors were carried out in Alaska. The radar emitted 5-10 ns pulses, the center frequency of which was approximately 150 MHz. The artificial reflectors were metal sheets and discs and the natural reflectors were the groundwater table and interfaces between frozen and thawed material. The water table was profiled at three sites where the subsurface material was coarse-grained alluvium. Dielectric constants of 16 to 18 were measured for the thawed silts, 6 to 7 for the frozen silts and 3 to 9 for the sands and gravels. Signal penetration in the thawed high moisture content silts may be achieved only by use of a lower frequency radar, whereas in the sands and gravels greater depths may be detected with more sophisticated signal processing.
    Type of Medium: Series available for loan
    Pages: 16 Seiten , Illustrationen
    Series Statement: CRREL Report 83-11
    Language: English
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  • 8
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/17
    In: CRREL Report, 83-17
    Description / Table of Contents: A sea ice model was applied to the East Greenland Sea to examine a 60-day ice advance period beginning 1 October 1979. This investigation compares model results using driving geostrophic wind fields derived from three sources. Winds calculated from sea-level pressures obtained from the National Weather Service's operational analysis system resulted in strong velocities concentrated in a narrow band adjacent to the Greenland coast, with moderate velocities elsewhere. The model showed excessive ice transport and thickness build-ups in the coastal region. The extreme pressure gradient parallel to the coast resulted partially from a pressure reduction procedure that was applied to the terrain-following sigma coordinate system to obtain sea-level pressures. Additional sea-level pressure fields were obtained from an independent optimal interpolation analysis that merged FGGE buoys drifting in the Arctic basin with high latitude land stations and from manual digitization of the NWS hand-analyzed Northern Hemisphere Surface Charts. Modeling results using winds from both of these fields agreed favorably.
    Type of Medium: Series available for loan
    Pages: 19 Seiten , Illustrationen
    Series Statement: CRREL Report 83-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction Description of study Model results The problem Conclusions Literature cited
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  • 9
    Call number: ZSP-201-83/24
    In: CRREL Report, 83-24
    Description / Table of Contents: Secondary recovery of oil at Prudhoe Bay, Alaska, will involve transporting large quantities of seawater in elevated pipelines across tundra for injection into oil-bearing rock strata. The possibility of a pipeline rupture raises questions concerning the effects of seawater on tundra vegetation and soils. To evaluate the relative sensitivities of different plant communities to seawater, eight sites representing the range of vegetation types along the pipeline route were treated with single, saturating applications of seawater during the summer of 1980. Within a month of the treatment 30 of 37 taxa of shrubs and forbs in the experimental plots developed clear symptoms of stress, while none of the 14 graminoid taxa showed apparent adverse affects. Live vascular plant cover was thus reduced by 89 and 91% in the two dry sites and by 54, 74 and 83% in the three moist sites, respectively. Live(green) bryophyte cover was markedly reduced in the moist experimental sites in 1981. Bryophytes in all but one of the wet-site experimental plots were apparently unaffected by the seawater treatment. Two species of foliose lichens treated with seawater showed marked deterioration in 1981. All other lichen taxa were apparently unaffected by the seawater treatment. The absorption and retention of salts by the soil is inversely related to the soil moisture regime. In the wet sites, conductivities approached prespill levels within about 30 days. In such sites, spills at the experimental volumes are quickly diluted and the salts flushed from the soil. In the dry sites, on the other hand, salts are retained in the soil, apparently concentrating at or near the seasonal thaw line.
    Type of Medium: Series available for loan
    Pages: 43 Seiten , Illustrationen
    Series Statement: CRREL Report 83-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods Site selection and preparation Prespill assessment Seawater application Postspill assessment Enzyme assay and analysis of soil flora Results and discussion Soil-solution conductivities Vascular plant response Cryptogam response Site factors and plant response Soil flora and extracellular soil enzymes Limitations of this study Summary and conclusions Literature cited Appendix: Plant taxa included in this study
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  • 10
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/29
    In: CRREL Report, 83-29
    Description / Table of Contents: A literature review indicated that the effects or permafrost on streambank erodibility and stability are not yet understood because systematic and quantitative measurements are seriously lacking. Consequently, general controversy exists as to whether perennially frozen ground inhibits lateral erosion and bankline recession, or whether it increases bank recession rates. Perennially frozen streambanks erode because of modification of the bank's thermal regime by exposure to air and water, and because of various erosional processes. Factors that determine rates and locations of erosion include physical, thermal and structural properties of bank sediments, stream hydraulics and climate. Thermal and physical modification of streambanks may also induce accelerated erosion within permafrost terrain removed from the immediate river environment. Bankline or bluffline recession rates are highly variable, ranging from less than 1 m/year to over 30 m/year and, exceptionally, to over 60 m/year. Long-term observations of the physical and thermal erosion processes and systematic ground surveys and measurements of bankline-bluffline recession rates are needed.
    Type of Medium: Series available for loan
    Pages: iv, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 83-29
    Language: English
    Note: CONTENTS Abstract Preface Introduction Stream bank erosional processes Permafrost and related factors Permafrost and erosion General Erosional processes Bank zone processes Bluff zone processes Factors affecting perm afrost erodibility Exposure to currents and wind waves Texture and stratigraphy Ice content, distribution and type Slope aspect Coriolis force Timing and depth of thaw Water level and temperature Vegetation Ice and snow cover Groundwater Rates and timing of erosion and recession Overall effects of permafrost Recommendations for research Literature cited Appendix A : Processes of stream bank modifications
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  • 11
    Monograph available for loan
    Monograph available for loan
    München : Selbstverlag
    Call number: MOP 46297 / Mitte
    Description / Table of Contents: Die erste zusammenfassende Darstellung internationaler Forschungsergebnisse und Erfahrungen über alle Erscheinungsformen und Wirkungsarten des Blitzes, angefangen vom Altertum bis in die Gegenwart, ferner über den Blitzschutz und über Grundlagen für Versuche zur Gewinnung der Luftelektrizität und Blitzenergie.
    Type of Medium: Monograph available for loan
    Pages: mit 158 Abbildungen, 21 Tabellen, 5 Verzeichnissen und 454 Literaturstellen auf 228 Seiten
    Language: German
    Location: MOP - must be ordered
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  • 12
    Call number: MOP 46646 / Mitte
    Type of Medium: Monograph available for loan
    Pages: IX, 221 Seiten
    Language: English
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  • 13
    Call number: MOP 46647 / Mitte
    Type of Medium: Monograph available for loan
    Pages: VIII, 162 Seiten
    Language: English
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  • 14
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/24
    In: CRREL Report, 82-24
    Description / Table of Contents: Velocity data derived from petroleum industry seismic records from Harrison Bay show that high-velocity material ( or = 2 km/s) interpreted to be ice-bonded permafrost is common. In the eastern part of the bay, the depth to high velocity material increases and velocity decreases in an orderly manner with increasing distance from shore until the layer is no longer apparent. The western part of the bay is less orderly, possibly reflecting a different geological and thermal history. This western part may be an inundated section of the low coastal plain characterized by the region north of Teshekpuk Lake, and could have contained deep thaw lakes, creating low velocity zones. Along some seismic lines, the high-velocity material extends approximately 25 km offshore. Two anomalies have been found which could be associated with rapidly degrading permafrost. One is strong attenuation, which was interpreted as an indication of gas in the shallow deposits. The other is the presence of considerable seismic noise, including identifiable small seismic events. The origin of this noise has not been positively established, and it is proposed that it may indicate that some movement is occurring in the sediments due to thaw.
    Type of Medium: Series available for loan
    Pages: 65 Seiten , Illustrationen
    Series Statement: CRREL Report 82-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods Reading records Refractions Reflections Rayleigh waves Spatial resolution Anomalies Results and discussion Seismic velocity distribution Attenuation Low-level natural seismicity Summary Literature cited Appendix A: Error estimates Appendix B: Velocity profiles Appendix C: Seismic cross sections
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  • 15
    Call number: ZSP-201-82/26
    In: CRREL Report, 82-26
    Description / Table of Contents: The Caribou-Poker Creeks Research Watershed is a small (101.5-sq km) drainage basin located 48 km northwest of Fairbanks, Alaska. Elevations within the watershed range from 210 to 826 m, and approximately 28% of its area is underlain by permafrost. Climatic differences between the watershed and Fairbanks are primarily due to the higher elevation of the watershed. Generally the watershed climatic sites are warmer in winter and cooler in summer than Fairbanks. Within the watershed the greatest temperature contrasts exist in winter, when the valley-bottom sites are beneath the regional air temperature inversion, and the higher sites are above it. From May through September the total precipitation averages 270 mm, 1.47 times that received at Fairbanks. The annual precipitation is about 1.7 times that of Fairbanks. The historical precipitation record at Fairbanks indicates that summer precipitation was below the long-term normal in eight of the eleven years of watershed measurements (1969-1980); no climatic extremes occurred during this period. An analysis of annual streamflow data showed an inconsistency of baseflow recessions from year to year. The runoff-rainfall ratio for individual summer storms averaged 0.35 for Caribou Creek. Comparisons of spot discharge measurements of predominantly permafrost and non-permafrost subwatersheds showed that permafrost-dominated watersheds have a much flashier response to precipitation than non-permafrost watersheds. A comparison of the annual flow distribution of the watershed indicated that Caribou Creek has lower summer and higher winter discharges per unit area than the Chena or Salcha Rivers.
    Type of Medium: Series available for loan
    Pages: 42 Seiten , Illustrationen
    Series Statement: CRREL Report 82-26
    Language: English
    Note: CONTENTS Abstract Preface Introduction Setting Geology and soils Vegetation Climate Air temperature Precipitation Hydrology Annual and monthly runoff Individual storms Baseflow recessions Spatial flow variability Temporal flow variability Summary and conclusions Literature cited Appendix A: Station histories
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  • 16
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/4
    In: CRREL Report, 83-4
    Description / Table of Contents: Measurements and analysis of seasonal ice growth and decay on Post Pond, New Hampshire, for the period 1973-1982 are presented. Observations included ice thickness measurements, examination of the various ice types contributing to the ice cover, and measurements of meteorological parameters for correlation with and modeling of the ice growth process. The overall nature of ice growth and decay (ice loss) on the Post Pond has been ascertained, the seasonal variability in the timing of freeze-up and ice-out and the duration of the ice cover have been determined, and the relationship of ice growth to freezing-degree-day (deg C) records evaluated on the basis of a Stefan conduction equation modified to deal with ice sheets covered with or free of snow. Ice growth occurs predominantly by the direct freezing of lake water, but snow ice may compose as much as 50% of the ice cover in winters with higher than average snowfall. Freeze-up leading to the establishment of a stable ice cover occurs during the 4-week period from the end of November to the end of December. Maximum seasonal ice thicknesses were from 45 to 67 cm and are generally attained during the first two weeks of March; ice-out, marking the final disappearance of ice from Post Pond, usually occurs by the third week of April. The overall rate of the ice loss is three to four times that of ice growth, and is dominated initially by melting from the top. As much as 50% of the ice may be lost in this way before the onset of any bottom melting. Final dissipation of the ice cover is usually expedited by candling resulting from preferential melting and disintegration of the ice at crystal boundaries.
    Type of Medium: Series available for loan
    Pages: iv, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 83-4
    Language: English
    Note: CONTENTS Abstract Preface Introduction Location of study Study methods Ice thickness Ice-cover composition Surface air temperatures Freeze-up and ice-out characteristics Results and discussion Ice-growth record Freezing-degree-day records Ice-growth predictions Summary and conclusions Literature cited Appendix A: Ice-growth records Appendix B: Measured and computed ice-growth curves
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  • 17
    Monograph available for loan
    Monograph available for loan
    Washington, D.C. : Mineralogical Society of America
    Associated volumes
    Call number: 11/M 19.92803
    In: Reviews in mineralogy, 6
    Type of Medium: Monograph available for loan
    Pages: ix, 380 Seiten , Illustrationen, Diagramme
    Edition: second printing
    ISBN: 978-0-939950-06-5
    Series Statement: Reviews in mineralogy 6
    Language: English
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  • 18
    Monograph available for loan
    Monograph available for loan
    Washington, D.C. : Mineralogical Society of America
    Associated volumes
    Call number: 11/M 19.92819
    In: Reviews in mineralogy, 27
    Type of Medium: Monograph available for loan
    Pages: xv, 516 Seiten , Illustrationen, Diagramme
    Edition: second printing
    ISBN: 0-939950-32-4
    Series Statement: Reviews in mineralogy 27
    Language: English
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  • 19
    Monograph available for loan
    Monograph available for loan
    Dresden : Ingenieurschule für Geodäsie und Kartographie
    Associated volumes
    Call number: MOP 47522/2.1 / Mitte
    In: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Type of Medium: Monograph available for loan
    Pages: I, 24 Seiten , Graphische Darstellungen
    Edition: 1. Auflage
    Series Statement: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Language: German
    Location: MOP - must be ordered
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  • 20
    Monograph available for loan
    Monograph available for loan
    Dresden : Ingenieurschule für Geodäsie und Kartographie
    Associated volumes
    Call number: MOP 47522/4 / Mitte
    In: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Type of Medium: Monograph available for loan
    Pages: I, 26 Seiten , Graphische Darstellungen
    Edition: 1. Auflage
    Series Statement: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Language: German
    Location: MOP - must be ordered
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  • 21
    Monograph available for loan
    Monograph available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute for Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-93042-2
    In: Interregional Training Course on Radiochemistry, [Supplement]
    Type of Medium: Monograph available for loan
    Pages: 88 Seiten , Illustrationen
    Language: English
    Note: Contents Manual 2.2 The relative measurement of aktivity Lectures 1.3 Statistics / H. Baumbach 2.2 Sealed sources / K. Vormum 2.4 Energy dispersive x-ray fluorescence analysis / H.-K. Bothe 3.1 The use of carriers / H. Koch 4.3 Autoradiography / K. Freyer 6.1 Radiometric methods in environmental control / H.-J. Große
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  • 22
    Call number: MOP 45206 / Mitte
    In: Daily Global Analyses
    Type of Medium: Monograph available for loan
    Pages: 6, 381 Seiten , graphische Darstellungen
    Series Statement: Daily Global Analyses Part 2
    Language: English
    Location: MOP - must be ordered
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  • 23
    Call number: MOP 45206 / Mitte
    In: Daily Global Analyses
    Type of Medium: Monograph available for loan
    Pages: 6, 371 Seiten , graphische Darstellungen
    Series Statement: Daily Global Analyses Part 3
    Language: English
    Location: MOP - must be ordered
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  • 24
    Call number: AWI A3-20-93434
    In: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin, Band XXXII, Heft 1
    Type of Medium: Series available for loan
    Pages: 121 Seiten , Illustrationen
    Series Statement: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 32,1
    Language: German
    Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG
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  • 25
    Monograph available for loan
    Monograph available for loan
    Hamburg : Deutscher Wetterdienst
    Associated volumes
    Call number: MOP 47414(14) / Mitte ; MOP 47414(14) / Mitte
    In: Wetterkundliche Lehrmittel, 14
    Type of Medium: Monograph available for loan
    Pages: 20 Seiten , Illustrationen
    Series Statement: Wetterkundliche Lehrmittel Nr. 14
    Language: German
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  • 26
    Call number: MOP 47169 / Mitte
    Type of Medium: Monograph available for loan
    Pages: I, 209 Seiten , Illustrationen , 30 cm
    Language: English
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  • 27
    Journal available for loan
    Journal available for loan
    Washington, D.C. : National Aeronautics and Space Administration
    Call number: MOP 47316 / Mitte
    Type of Medium: Journal available for loan
    Pages: 83 Seiten
    Language: English
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  • 28
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/19
    In: CRREL Report, 81-19
    Description / Table of Contents: Field observations support the interpretation that differences in the strength of radar returns from the ice covers of lakes on the North Slope of Alaska can be used to determine where the lake is frozen completely to the bottom. An ice/frozen soil interface is indicated by a weak return and an ice/ water interface by a strong return. The immediate value of this result is that SLAR (side-looking airborne radar) imagery can now be used to prepare maps of large areas of the North Slope showing where the lakes are shallower or deeper than 1.7m (the approximate draft of the lake ice at the time of the SLAR flights). The bathymetry of these shallow lakes is largely unknown and is not obvious from their sizes or outlines. Such information could be very useful, for example in finding suitable year-round water supplies.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 81-19
    Language: English
    Note: CONTENTS Abstract Preface Introduction The experiment Results Maps of completely frozen North Slope lakes Literature cited
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  • 29
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/20
    In: CRREL Report, 81-20
    Description / Table of Contents: A historical review of research is presented to establish the state- of-the-art for analyzing the behavior of vehicles in shallow snow. From this review, the most comprehensive and promising model is put together to establish a first-cut performance prediction model for vehicles operating in shallow snow, slush, ice and thawing soils.
    Type of Medium: Series available for loan
    Pages: iv, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 81-20
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Historical review Model selection Traction Resistance Slush and thawing soils Ice, hard-packed snow, packed snow River and lake ice Model use Conclusions Literature cited
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  • 30
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/18
    In: CRREL Report, 81-18
    Description / Table of Contents: During the growing seasons of 1977, 1978, and 1979, revegetation techniques were studied on the Chena River Lakes Project, a flood control dam and levee near Fairbanks, Alaska, to find an optimal treatment for establishing permanent vegetation cover on the gravel structures. The treatments tested on plots at the dam andor levee involved three main variables 1 vegetation grass and clover seed andor willow cuttings, 2 mulch, mulch blanket, andor sludge, and 3 substrate gravel or fine-grained soil over the gravel base. The mulches were hay, wood-cellulose-fiber, peat moss, and Conwed Hydro Mulch 2000, which is a wood-cellulose-fiber mulch with a polysaccharide tackifier. A constant rate of fertilizer was applied to all plots except the control. A section of each plot was refertilized again in their third growing season to compare annual and biannual fertilization. The high fertilization rate produced above-average growth. Fescue, brome, and foxtail were the most productive species on the dam, while alsike cover was the most productive on the wetter levee site. When grass seed and willow cuttings were planted at the same time, willow survival and growth were reduced. Fertilization is required for at least two years to produce an acceptable permanent vegetation cover, although fine- grained soil or sludge reduces the amount of fertilizer needed in the second year. Third-year fertilization may not be necessary since the benefits of the second fertilization continue for at least two years. A sludge treatment refertilized during its second growing season produces the highest biomass recorded in this study.
    Type of Medium: Series available for loan
    Pages: ix, 59 Seiten , Illustrationen
    Series Statement: CRREL Report 81-18
    Language: English
    Note: CONTENTS Abstract Preface Abbreviations Conversion factors Summary Introduction Background Site characterization Climate Purpose Materials and methods General Moose Creek Dam site Tanana Levee site Sampling and measurement Abiotic controls on vegetation Meteorological data Soil moisture as a limiting factor Soil chemical analysis Vegetation growth and survival Moose Creek Dam site Tanana Levee site Biomass by species Roof penetration Seedling density of invading woody species Weeds Supplemental observations Sediment loss Sludge and runoff-water composition Cost analysis Conclusions Literature cited Appendix A: 1977 grass growth on 1977 dam treatments Appendix B: 1978 grass growth on 1977 dam treatments Appendix C: 1979 grass growth on 1977 dam treatments Appendix D: Grass growth on 1978 dam treatments Appendix E: 1977, 1978, and 1979 survival of willow treatments Appendix F: Grass growth on Tanana levee treatments Appendix C: Chemical analysis of sludge and runoff water
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  • 31
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/21
    In: CRREL Report, 81-21
    Description / Table of Contents: The reflection of solar radiation by a snow cover in situ and the apparent influence of selected substrates were examined in wavelength bands centered at 0.81, 1.04, 1.10, 1.30, 1.50 and 1.80 micrometers. Substrates included winter wheat, timothy, corn, alfalfa, grass, concrete and subsurface layers of 'crusty' snow and ice. Reasonable qualitative agreement between measurements and theoretical predictions was demonstrated, with indications of quantitative agreement in the definition of a 'semi-infinite depth' of snow cover. It was concluded that ultimate quantitative agreement between theory and measurement will require that an 'optically effective grain size' be defined in terms of physically measuarable dimensions or meteorologically predictable characteristics of the ice crystals composing the snowpack.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 81-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experimental method Substrate preparation Experimental configuration Radiometric measurements Snow characterization Reflectance standards Data analysis Reflectance measurements Snow replica analysis Discussion of results Comparative reflectance of various substrates under snow Ablation of a snow cover Reflectance from a very light, fresh snow cover Measurements at angles other than vertical Reflectance from substrates Concluding observations Literature cited
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  • 32
    Call number: MOP 47314 / Mitte
    Type of Medium: Monograph available for loan
    Language: German
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  • 33
    Monograph available for loan
    Monograph available for loan
    Dresden : Ingenieurschule für Geodäsie und Kartographie
    Associated volumes
    Call number: MOP 47524 / Mitte
    In: Meteorologische Messtechnik
    Type of Medium: Monograph available for loan
    Pages: 50 Seiten
    Series Statement: Meteorologische Messtechnik
    Language: German
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  • 34
    Monograph available for loan
    Monograph available for loan
    Geneva : Secretariat of the World Meteorological Organization
    Call number: MOP 45477 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 2, II, 47, 4 Seiten , Illustrationen
    Series Statement: Report 4
    Language: English
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  • 35
    Call number: MOP 46293/B / Mitte
    In: United States Antarctic Research Report to SCAR, No. 24
    Type of Medium: Series available for loan
    Series Statement: United States Antarctic Research Report to SCAR 24
    Language: English
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  • 36
    Series available for loan
    Series available for loan
    Moscow : Academy of Sciences of the USSR, Soviet Committee on Antarctic Research
    Associated volumes
    Call number: MOP 46294/A / Mitte
    In: USSR national report to SCAR, No. 25
    Type of Medium: Series available for loan
    Series Statement: USSR national report to SCAR 25
    Language: English
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  • 37
    Call number: MOP 46270 / Mitte
    Type of Medium: Monograph available for loan
    Pages: viii, 545 Seiten , 28 cm
    Language: English
    Note: Prefatory material in French
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  • 38
    Call number: MOP 45763 / Mitte
    Type of Medium: Monograph available for loan
    Pages: IV, 180 Blätter , Illustrationen
    Language: German
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  • 39
    Call number: ZSP-201-81/15
    In: CRREL Report, 81-15
    Description / Table of Contents: This report analyzes the results of a field study previously reported by Scrivner et al. (1969) for the National Cooperative Highway Research Program. These authors studied the seasonal pavement deflection characteristics of 24 test sites on roads in service in regions with freezing indexes ranging from 100 F-days to 2100 F-days. They used the Dynaflect cyclic pavement loading device to determine the pavement system response. Of specific interest to my analysis was the increased pavement deflection after freezing and thawing and the time to recovery of normal deflection characteristics. These characteristics were related to soil and climatic factors using statistical techniques. The most significant observations of this statistical analysis are: (1) that the freezing index is not a significant parameter in determining the percent increase in pavement deflection during thawing, and (2) that the recovery time is inversely proportional to the depth of freezing. As was expected, the most significant variable affecting the increase in pavement deflection was the frost susceptibility classification. This observation reinforces the necessity for careful selection of soil materials used in pavement systems.
    Type of Medium: Series available for loan
    Pages: v, 10 Seiten , Ilustrationen
    Series Statement: CRREL Report 81-15
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Description of test site Test results Method of analysis Results of analysis Change in resilient deflection due to thawing, A Recovery time after onset of thawing, t20 Discussion of results Change in resilient deflection due to thawing, A. Recovery time after thawing, t20 Conclusions Literature cited ILLUSTRATIONS Figure Pavement deflection and frost penetration vs time Data points and regression line for A and t2 0 versus F Data points and regression line for A and t2 0 versus W Data points and regression line for A and t2 0 versus I Data points and regression line for A and t20 versus N Data points and regression line for A and t20 versus D Data points and regression line for t20 versus A Permeability vs void ratio for the Toledo Penn 7 material TABLES Properties of test sections Test results from Scrivner et al Results of regression analysis
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  • 40
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/16
    In: CRREL Report, 81-16
    Description / Table of Contents: An air-transportable shelter designed and built at CRREL for use in cold regions underwent testing in Hanover, New Hampshire, and Ft. Greely, Alaska. The shelter demonstrated some of its capabilities for mobility by being towed for more than 60 miles behind various vehicles and by being transported on a C-130 cargo airplane, a CH-47 helicopter, and a trailer truck. The shelter proved to be very easy for a crew of two to four to set up in all weather conditions including -40 F cold. However, the gasoline-powered generator, which was a source for space heat as well as electricity, functioned very poorly. Overall, the prototype successfully demonstrated qualities of self-reliance, ease of operation and thermal efficiency.
    Type of Medium: Series available for loan
    Pages: v, 20 Seiten , Illustrationen
    Series Statement: CRREL Report 81-16
    Language: English
    Note: CONTENTS Abstract Preface Metric conversion factors Summary Introduction Description of shelter Test procedures and results Mobility Ease of erecting and striking Therinal efficiency and performance Heat output Electrical system Habitation Safety features Water system Shelter reliability Structure Performance of other shelters Conclusions Future studies Literature cited
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  • 41
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/17
    In: CRREL Report, 81-17
    Description / Table of Contents: Environmental conditions are described for the continental shelf of the western Arctic, and for the shelf of Labrador and Newfoundland. Special emphasis is given to the gouging of bottom sediments by ice pressure ridges and icebergs, and an approach to systematic risk analysis is outlined. Protection os subsea pipelines and cables by trenching and direct embedment is discussed, touching on burial depth, degree of protection, and environmental impact. Conventional land techniques can be adapted for trenching across the beach and through the shallows, but in deeper water special equipment is required. The devices discussed include hydraulic dredges, submarine dredges, plows, rippers, water jets, disc saws and wheel ditchers, ladder trenchers and chain saws, routers and slot millers, ladder dredges, vibratory and percussive machines, and blasting systems. Consideration is given to the relative merits of working with seabed vehicles, or alternatively with direct surface support from vessels or from the sea ice
    Type of Medium: Series available for loan
    Pages: 38 Seiten , Illustrationen
    Series Statement: CRREL Report 81-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction The western Arctic of North America The continental shelf of Newfoundland and Labrador Burial depth for pipes and cables Degree of protection offered by burial Environmental impact Trenching the beach and the shallows in the western Arctic Trenching beyond the shallows Suction, or hydraulic, dredging Bottom-t raveling cutterhead dredges Plows Rippers Water jets Subsea disc saws and wheel ditchers Subsea ladder trenchers and chain saws Subsea routers and slot millers Bucket ladder trenchers Vibratory and percussive devices Hard rock excavation under water Control and monitoring of subsea machines Vessels and vehicles Trenching from the sea ice Costs of subsea trenching Reference Appendix: Description of waters off Alaska and Newfoundland
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  • 42
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/3
    In: CRREL Report, 81- 3
    Description / Table of Contents: Abstract: A 1:24 scale hydraulic model study of water intake under frazil ice conditions is presented. The intake, located 9 m below the surface of the St. Lawrence River in Massena, New York,has a through flow of 0.14 m^3/s. The model study, conducted in the refrigerated flume facility of the U.S. Army Cold Regions Research and Engineering Laboratory, investigated methods of minimizing the frazil ice blockage on the intake. Two protective structures were modeled and the relative benefits of each are presented. The additional cross-sectional area provided by the protective structures lowered the vertical velocity component of the intake water to 0.0027 m/s. At this velocity the buoyant force acting on the frazil ice particle is larger than the downward drag force, causing the particle to rise. The results demonstrate that under certain low flow conditions a protective structure can minimize frazil ice blockage problems.
    Type of Medium: Series available for loan
    Pages: 11 Seiten , Illustrationen
    Series Statement: CRREL Report 81-03
    Language: English
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  • 43
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/2
    In: CRREL Report, 81-2
    Description / Table of Contents: Abstract: Many hyperbolic reflections have been observed on marine seismic records obtained during oil exploration in the Beaufort Sea, and on USGS seismic sub-bottom profiles from the Prudhoe Bay vicinity. A hyperbolic projection system was designed to rapidly measure seismic velocities from the curves on the records. The velocities observed were approximately the velocity of sound in water. The hyperbolic signals also showed dispersion properties similar to acoustic normal modes in shallow water. These observations indicate that the signals responsible for the hyperbolic reflections propagate as normal modes within the water layer, with very limited penetration of the seabed. Determinations of the dominant frequency of these signals indicate that the penetration into the seabed has a characteristic attenuation depth (skin depth) of about 1.5 m for the sub-bottom profiles and 12 m for the marine records. It therefore appears that some hyperbolic reflections may be generated by variations in materials that occur near the seabed. There is some evidence of linearity of the anomalies, possibly related to sediment-filled or open ice gouges, or other changes in material properties at shallow depths.
    Type of Medium: Series available for loan
    Pages: iv, 16 Seiten , Illustrationen
    Series Statement: CRREL Report 81-2
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods of analysis Marine seismic records Seismic sub-bottom profiles Results and discussion Distribution of hyperbolic reflections Hyperbolas on oil exploration records Hyperbolas on sub-bottom profiles Conclusions Literature cited Appendix A: Hyperbola projector
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  • 44
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/12
    In: CRREL Report, 81-12
    Description / Table of Contents: Revegetation techniques along the trans-Alaska pipeline as employed by Alyeska Pipeline Service Company during the 1975-1978 summers were observed. Objectives included determining the success of treatments, identifying problem areas, and noticing long-term implications. Observations and photographs at 60 sites located along the trans-Alaska pipeline indicated frequent occurrence of successful revegetation as well as frequent problems, such as erosion, slope instability, poor scheduling of seed application, occurrence of weed species, failure to optimally reuse topsoil and fine-grained soil, and low rates of native species reinvation. Alyeska's visual impact engineering was observed to be very successful, as shown by high first-season survival. However, a related program for establishing willow cuttings was unsuccessful in 1977 but appeared very promising in 1978 largely due to improved management and more favorable growing conditions. Terrain disturbances due to the construction of the fuel gas line, snowpads, and oil spills were examined to identify and describe related environmental impacts on natural vegetation. Proper construction and use of snowpads minimized the extent and severity of disturbance. Crude oil spills, although damaging to vegetation did not cause total kill of vegetation, and certain types of spills may have only short-term effects. Results of restoration research by CRREL along the trans-Alaska pipeline are discussed.
    Type of Medium: Series available for loan
    Pages: 115 Seiten , Illustrationen
    Series Statement: CRREL Report 81-12
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Revegetation procedures 1975-1978 construction seasons Willow cutting program Visual impact engineering program Selected terrain disturbances Fuel gas line and snowpads Island Lake and oil line snowpads Oil spills and revegetation CRREL restoration sites Conclusions Recommendations Literature cited Appendix A: List of sites observed during 1975 Appendix B: Annotated photographs of permanent revegetation observation sites-1975-1978 Appendix C: Photographic record of fuel gas line observation sites
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  • 45
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/13
    In: CRREL Report, 81-13
    Description / Table of Contents: Electrical properties of frozen ground were measured using radio frequency interferometry (RFI) in the very high frequency (VHF) radiowave band. Ice-rich organic silts and sands and gravels of variable ice content were investigated during early April of both 1979 and 1980. Frequencies between 10 and 150 MHz were used with best results obtained between 40 and 100 MHz. Surface impedance and magnetic induction techniques were also used to obtain an independent measure of low frequency resistivity and to obtain a separate control on vertical inhomogeneity. Soil samples were tested for organic and water content. The dielectric constants determined for the ice-rich organic silts ranged from 4.0 to 5.5 while those for the sands and gravels were about 5.1. Dielectric loss was due to d.c. conduction and was very low for the silts but significant for the sands and gravels. The higher values for the sands and gravels were most likely due to the higher concentrations of salt that are reported to exist in the old beach ridges in this region. All the RFI measurements are believed to be indicative of only the first few meters of the ground although the radiowaves could penetrate to tens of meters.
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    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 81-13
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Objectives and procedures Theory and instrumentation Radio frequency interferometry Case 1: Homogeneous ground model Case 2: Two-layer ground model RFI instrumentation Low frequency methods Point Barrow sites Results and discussion Site 1: Tundra Site 2: Beach ridge Site 3: Marsh Conclusions Literature cited Appendix A: Discussion of low-frequency geophysical methods
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  • 46
    Call number: MOP 46292/A / Mitte
    In: United Kingdom Antarctic research report, 1983
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    Series Statement: United Kingdom Antarctic research report 1983
    Language: English
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  • 47
    Monograph available for loan
    Monograph available for loan
    Reading, Berkshire : European Centre for Medium Range Weather Forecasts
    Call number: MOP 45661 / Mitte
    Type of Medium: Monograph available for loan
    Language: English
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  • 48
    Monograph available for loan
    Monograph available for loan
    Berlin : Dt. Verl. der Wissenschaften
    Associated volumes
    Call number: 12345
    In: Hochschulbücher für Physik
    Type of Medium: Monograph available for loan
    Pages: 807 Seiten , Illustrationen
    Edition: 2., unveränd. Aufl.
    Series Statement: Hochschulbücher für Physik 42
    Language: German
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  • 49
    Call number: AWI Bio-21-94346
    In: Bibliotheca diatomologica, 3
    Type of Medium: Monograph available for loan
    Pages: 386 Seiten
    ISBN: 3768213757
    Series Statement: Bibliotheca diatomologica 3
    Language: English
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  • 50
    Monograph available for loan
    Monograph available for loan
    Palisades : Lamont-Doherty Geological Observatory, Columbia University
    Call number: AWI G2-19-92382
    Type of Medium: Monograph available for loan
    Pages: 690 Seiten , Illustrationen, Karten
    Language: English
    Note: Table of Contents CHAPTER 1 INTERNAL CYCLING AND THROUGHPUT : Pathways from River Mouth to Sea Floor Depth Profiles of Sea Salt Composition Constituent Classification The Chemical Composition of Marine Organic Matter Composition of Particulate Matter Caught in Sediment Traps A Simple Model for Biologically Utilized CDnstituents The Distributions of Biointermediate Constituents Estimation of Input Rates Horizontal Segregation of CDnstituents in the Deep Sea Summary CHAPTER 2 THE SEDIMENTARY SINK Factors Influencing the Distribution of Sedimentary Constituents Introduction Sediment Types Distribution of Opal Production Opal Solution on the Sea Floor Distribution of Calcite in Marine Sediments Degree of Calcite Saturation Variation in the Carbonate Ion Content of Sea Water Spacial Variations in the CaC0 3 Saturation of Sea Water Factors Controlling the Rate of Calcite Solution Thickness and Shape of the Sublysocline Transition Zone Variation of Sediment Type with Time Manganese Nodules Summary CHAPTER 3 THE ATMOSPHERIC IMPRINT : The Cycles of Gases within the Sea Introduction Solubilities of Gases in Sea Water The Rate of Gas Exchange Stagnant Film Thickness Derived from Natural Radiocarbon Stagnant Film Thicknesses Determined by the Radon Method Oxygen Concentrations in Surface Ocean Water Oxygen Deficiencies in the Deep Sea The Marine N2O Cycle Excess Helium The Carbon Dioxide Content of Surface Ocean Water Origin of the Equatorial Pacific CO2 Anomaly Summary CHAPTER 4 REACTIVE METALS AND THE GREAT PARTICULATE SWEEP : The Cycle of Metals in the Sea Introduction Products of Uranium and Thorium Decay Thorium Isotopes in the Sea Protactinium-231 to Thorium-230 Activity Ratios The Distribution of Lead-210 The Distribution of Polonium-210 The Distribution of Radium-226 Anthropogenic Plutonium in the Sea Toward a Model of Metal Transport Distributions of Stable Metals in the Sea Stable Isotope Ratios in Reactive Metals Transport of Iron and Manganese in the Sea Lessons from Controlled Ecosystem Studies Distribution Coefficients Summary CHAPTER 5 HOW FAST DOES THE MILL GRIND? : Rates of Vertical Mixing and Sediment Accumulation Introduction Rate of Vertical Mixing Implication to the Distribution of Radium-226 Distribution of Radiocarbon in the Ocean Rate of Continental Runoff Sediment Accumulation Rates Radiocarbon Dating Uranium Series Dating Beryllium Dating Potassium-Argon Dating Agreement Among Dating Methods Comparison of Model and Observed Rates of CaC0 3 Solution Summary CHAPTER 6 WHAT KEEPS THE SYSTEM IN WHACK? : Control Mechanisms Operating in the Sea Introduction Phosphate Controls Silicate Controls Carbon Controls Interactions between the Phosphate and Carbon Controls Nitrate Controls Dissolved Oxygen Controls Major Anion Controls Major Cation Controls Possible Causes for Perturbations Recorders of Paleoocean Chemistry The Marine Geochemistry of Carbon-13 The Uranium Content of Coral Factors Influencing Nutrient Gradients in the Deep Sea Summary CBAPTER 7 FREIGHT TRAINS AND FICKIAN CONFUSION : The Movement of Water Through the Deep Sea Introduction Types of Motion One Dimensional Advection - Diffusion Model Tracers for Diapycnal and Isopycnal Mixing Mixing Rates Based on Radon-222 and Radium-228 The Distribution of Helium-3 in the Deep Pacific Sources of Deep Water Northern Component Water Conservative Properties of NCW Initial Radiocarbon to Carbon Ratio in NCW Feed for NCW Production Southern Component Water Ventilation of the Deep Atlantic Ocean Ventilation of the Deep Pacific and Indian Oceans The Grand Cycle of Radiocarbon in the Deep Ocean Biological Short-Circuiting Temporal Variations in Radiocarbon Production Argon-39 Summary CHAPTER 8 THE ANTHROPOGENIC INVASION : The Movement of Water Through the Oceanic Thermocline Introduction Input Functions Hydrology of the Main Thermocline Tritium Distribution within the Thermocline Temporal Trends in Tritium Tritium as a Guide to Deep Water Formation Supplementary Information from Strontium-90 Bomb Carbon-14 Distribution within the Thermocline Explanations for Low Equatorial Bomb Carbon-14 Inventories Implications of Equatorial Upwelling to the Tritium Budget An Upwelling Rate Based on the Equatorial CO2 Anomaly Helium-3 Distribution in the Main Oceanic Thermocline Purposeful Tracers Summary CHAPTER 9 ICE SHEETS AND OCEAN PHOSPHATE : Glacial to Interglacial Changes in Ocean Chemistry Introduction Temperature and Salinity Changes Formation and Destruction of Organic Materials Changes in CaCO3 Storage Evidence for an Early Post-Glacial Lysocline Change Changes in Phosphate Concentration The Combined Evidence from Deep Sea Cores Cause of the Oceanic Phosphate Change An Alternate Scenario Wrap Up of the CO2 Record The Oxygen Record Glacial to Interglacial Changes in Ocean Mixing Rate Glacial to Interglacial Lysocline Changes Changes in the Distribution of Nutrients in the Deep Sea Summary CHAPTER 10 CAN MAN OVERRIDE THE CONTROLS? : The Buildup of Fossil Fuel CO2 in the Atmosphere and Oceans Introduction CO2 Production in the Past CO2 Production in the Future Capacity of the Sea for Fossil Fuel CO2 Uptake Utilizable Capacity - Simplified Calculation Utilizable Capacity - Rigorous Calculation Kinetics of Fossil Fuel CO2 Uptake by the Sea Numerical Model crosschecks on the Validity of the Numerical Model Prediction of Future CO2 Levels Solution of Sea Floor Calcite Summary REFERENCES, CONSTANTS, DEFINITIONS, ABBREVIATIONS AND INDEX Introduction to the References Subject Outline for the References Annotated Reference List Frequently Used Constants Definitions of Isotope Notations Abbreviations Index Foldout Caption
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  • 51
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    Call number: ZSP-201-83/18
    In: CRREL Report, 83-18
    Description / Table of Contents: An evaluation of an impulse radar system for detecting cavities under concrete pavement is discussed, and field results are presented. It was found that a dual antenna mode of surveying was ideal for void detection. In this mode one antenna operated in a transceive mode and a second, offset from the first, operated in a receive-only mode. This arrangement allowed a refraction-type profile survey to be performed, which enabled subpavement voids to be easily detected. Field trails were held at Plattsburgh Air Force Base, where 28 cavities were detected and mapped. Drilling of holes verified that a cavity existed and allowed cavity depth to be measured. The cavities varied from 1.5 in. to 23 in, depth and were up to 20 ft. long.
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    Pages: 49 Seiten , Illustrationen
    Series Statement: CRREL Report 83-18
    Language: English
    Note: CONTENTS Abstract Preface Introduction Plattsburgh Air Force Base Radar sounding system Survey procedure Cavity inspection Radar cavity detection test Radar profile results Falling-weight deflectometer tests Discussion and conclusions Literature cited
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  • 52
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    Call number: ZSP-201-83/13
    In: CRREL Report, 83-13
    Description / Table of Contents: A review on past experimental and theoretical work indicates a need for additional experimentation to characterize the response of snow to inelastic pressure waves. Pressure data from previously conducted explosion tests are analyzed to estimate the elastic limit of snow of 400 -kg/cu m density to be about 36 kPa. This pressure corresponds to a scaled distance of 1.6 m/cu.rt.kg for charges fired beneath the surface of the snow, and to a scaled distance of 1.2 m/cu.rt.kg for charges fired in the air. The effects of a snow cover on the method of clearing a minefield by using an explosive charge fired in the air above the snow surface are also discussed and recommendations are given for further work in this area. Explosive pressure data are used to estimate the maximum effective scaled radius for detonating buried mines at shallow depth to be 0.8 m/cu.rt.kg. Fuel-air explosive will increase this effective radius significantly because of the increase in the size of the source region.
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    Pages: 33 Seiten , Illustrationen
    Series Statement: CRREL Report 83-13
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Objectives Background Problems in describing the response of snow to an applied stress Methods of determining the dynamic behavior of materials Review of previous studies on snow Experimental measurements on snow Summary of snow experiments Theoretical studies Confirmation of the theory Discussion Applications Recommendations Summary Literature cited Appendix A. Selected data from Wisotski and Snyder (1966) Appendix B. Pressure data from Livingston (1964)
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  • 53
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    Call number: ZSP-201-82/23
    In: CRREL Report, 82-23
    Description / Table of Contents: A direct filtration, water treatment pilot plant was operated on the Kenai River at Soldotna, Alaska, during the summer of 1980. The purpose of the pilot plant operations was to determine the feasibility of the direct filtration process for removal of glacial silt. The major criterion used to determine feasibility was production of water containing less than 1.0 NTU of turbidity. For the range of raw water turbidities encountered (22-34 NTU), the pilot plant testing indicated that direct filtration was feasible and could be considered as an alternative to conventional waiter treatment plants containing sedimentation tanks.
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    Pages: 26 Seiten , Illustrationen
    Series Statement: CRREL Report 82-23
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric Introduction Glacial characteristics Water treatment Materials and methods Experimental design Pilot plant intake Hydrocyclone Chemical addition system Flocculation system Filtration system Pilot plant operations Coagulant chemical preparations Flow measurement Sampling Results and discussion Kenai River w ater quality Evaluation of pilot plant testing Performance of pilot plant elements Physical and chem ical variables Conclusions Recommendations Literature cited
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  • 54
    Call number: ZSP-980-70
    In: 2nd Working Meeting "Radioisotope Application and Radiation Processing in Industry", Part 2, 50 to 97
    In: ZfI-Mitteilungen, Nr. 70
    Type of Medium: Series available for loan
    Pages: 355 Seiten , Illustrationen
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 70
    Language: English
    Note: Contents of Part 2 Hecht, K. Gerber, R. Otto: Studies on the drying of paints by means of 14C-labelled compounds K. Wagner, F. Brutschin, I. Ritter, T. Gritsch, H. Zimmermann, H. Borchert: Investigations by the aid of radioisotope methods on the technology of the production of carbon and silicon carbide materials K. Gloe, P. Mühl: Determination of metal extraction process parameters using tracer technique W. Migdał, W. Łada, K. Malec-Czechowska: Studies on liquid-liquid extraction of noble metals using radiotracers L. Petryka, K. Przewłocki: Radiotracer investigations of benefication copper ore in the industrial flotation process Z. Bazaniak, J. Palige: Determination of Cu recovery degree from slags in shaft process by means of radiotracers R. Burek, J .K. Zurawicz: On the optimization of concentration measurements in heterogeneous materials based on β-backscatter measurements B. Heinrich: Analysis of carbon content in crude brown coal by inelastic scattering of neutrons and the method of time correlated associated particles P. Urbańaki, D. Wagner, M. Jankowska, E. Kowalska: Determination of calcium and iron and measurements of ash content in the brown coal H.-W. Thümmel: Some considerations relating to the prediction of the efficiency of radiometric methods for the continuous ash content determination of coal L. Wawrzonek: Monitor of ash content of coal with X-ray source I. Pavlicsek, V. Stenger, A. Veres: Apparatus for gamma activation analysis I. Végvári, I. Juhász: Determination of PbO content of lead-glass samples on the ground of gamma-absorption E. Schöntube, H.-J. Große: Aerosol ionization gas analysis as a monitoring for waste halothane in the atmosphere of operating theatre S. Mothes, P. Popp, G. Oppermann, W.-D. Herberg: Measurement of fluorocarbons with the ECD P. Popp, E. Schöntube, G. Oppermann: The usability of radiation ionization detectors for the determination of N2O concentrations in the air of operating theatres P. Popp, G. Arnold, G. Oppermann: A hydrocarbon-sensitized argon ionization detector for the detection of inorganic compounds R. Szepke, W. Lisieski, J. Harasimczuk: Automatic dust monitor AMIZ G. Vormum: Sealed sources - problems of design, measurement and quality control L. Gąsiorowski: New trends in developments of ratioisotope gauges in Poland G. Brunner: Direct chemical information from special radio tracers as well as from outer X-ray excitation J. Hirling: Experience and future trend in industrial application of nuclear methods in Hungary I. N. Ivanov, O. K. Nikolaenko, Yu. V. Phecktistov, V. L. Chulkin: Use of short-lived nuclides in activation analysis Kl.-P. Rudolph, J. Flachowsky, A. Lange: Trace element determination in semiconducter selenium by neutron activation analysis (NAA) W. Lisieski, J. Mirowicz: Some industrial applications of instruments with neutron sources R. Dybczyński, H. Maleszewaka, S. Sterliński, Z. Szopa, M. Wasek: Some problems in neutron activation determination of gold and silver in ores and concentrates of copper industry L. Jankowski: Cost-benefit aspects of radioisotope application in industry B. Manouchev, T. Boschkova, L. Tsankov, V. Gurev, I. Kojucharov, G. Grozev: On the possibilities of the direct gamma-spectremetry in natural waters P. Morgenstern, D. Müller, W. Riedel: A parallel grid proportional scintillation counter for the X-ray region from 3 to 20 keV with regard to high count rates N. A. Anders, V. S. Isaev, V. I. Filatov, B. E. Kolesnikov, D. Müller, P. Morgenstern, W. Riedel, V. P. Varvaritsa: X-ray fluroescence analyzer of light elements with proportional scintillation counter D. Müller, P. Morgenstern, W. Riedel, W. Warwariza, B. E. Kolesnikow, N. A. Anders, W. J. Filatov: General considerations concerning the use of the X-ray analyzer "RALE" in industry
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  • 55
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    Call number: ZSP-201-83/9
    In: CRREL Report, 83-9
    Description / Table of Contents: Recent observations of shore ice pile-up and ride-up along the coast of the Alaska Beaufort Sea are presented. Information is given to show that sea ice movement on shore has overridden steep coastal bluffs and has thrust inland over 150 m, gouging into and pushing up mounds of beach sand, gravel, boulders and peat and, inland, the tundra material. The resulting ice scar morphology was found to remain for tens of years. Onshore ice movements up to 20 m are relatively common, but those over 100 m are very infrequent. Spring is a dangerous time, when sea ice melts away from the shore, allowing ice to move freely. Under this condition, driving stresses of less than 100 kPa can push thick sea ice onto the land.
    Type of Medium: Series available for loan
    Pages: v, 59 Seiten , Illustrationen
    Series Statement: CRREL Report 83-9
    Language: English
    Note: Contents Abstract Preface Introduction Winter 1979-80 observations Winter 1980-81 and summer 1981 observations Winter 1981-82 and summer 1982 observations Old ice ride-up features Discussion Literature cited Appendix A. The boulder rampart and rock littered shore west of Konganevik Pt. Appendix B. Site location maps
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  • 56
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    Call number: ZSP-201-83/6
    In: CRREL Report, 83-6
    Description / Table of Contents: During the austral summers of 1976-77 and 1978-79, several ice cores were taken from the McMurdo Ice Shelf brine zone to investigate its thermal, physical and chemical properties. This brine zone consists of a series of super-imposed brine layers (waves) that originate at the seaward edge of the ice shelf and migrate at various rates, depending upon their age and position in the ice shelf. The brine in these layers becomes increasingly concentrated as the waves migrate inland through the permeable ice shelf firn. Chemical analyses of brine samples from the youngest (uppermost) brine wave show that it contains sea salts in normal seawater proportions. Further inland, deeper and older brine layers, though highly saline (S 〉 200 ‰), are severely depleted in SO2-4 with the SO2-4/Na+ ratio being an order of magnitude less than that of normal seawater. Analyses of Na+, K+, Ca2+, Mg2+, SO2-4 and CI-, together with solubility and temperature considerations, show that the sulfate depletion is due to selective precipitation of mirabilite, Na2SO4*10H2O. The location of the inland boundary of brine penetration is closely related to the depth at which the brine en-counters the firn/ice transition. However, a small but measurable migration of brine is still occurring in otherwise impermeable ice; this is attributed to eutectic dissolution of the ice by concentrated brine as it moves into deeper and warmer parts of the McMurdo Ice Shelf.
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    Pages: iii, 16 Seiten , Illustrationen
    Series Statement: CRREL Report 83-6
    Language: English
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  • 57
    Call number: ZSP-201-83/7
    In: CRREL Report, 83-7
    Description / Table of Contents: Peak power generation with hydropower creates tailwater flow conditions characterized by high and low flows with abrupt transitions between these states. Flows occurring in tailwaters typically form sharp-fronted, large-amplitude waves of relatively short period. An understanding of the mechanics of downstream propagation of these waves is important both for direct application in studies of the tailwater and because of the similarity of these waves to those following a dam break. An analysis of the dynamic equations of open channel flow is used to quantify the relative importance of flow wave convection, diffusion and dispersion in rivers. The relative importance of each process is re­lated to the relative magnitude of terms in the dynamic equations, providing a physical basis for model formulation. A one-dimensional diffusion wave flow routing model, modified for tailwaters, simulates the important physical pro­cesses affecting the flow and is straightforward to apply. The model is based upon a numerical solution of the kine­matic wave equation. The “modified equation,” Hirt, and von Neumann analyses are used to gain insight into the stability and dissipative and dispersive behavior of the numerical solution, and results of these analyses are compared. A set of linear routings is used to demonstrate the dissipative and dispersive behavior predicted by the analyses and to verify the accuracy of an expression that quantifies the numerical diffusion of the model. The analyses provide a basis for selection of numerical parameters for model applications. The capability and accuracy of the model are enhanced when physical wave diffusion is balanced by numerical diffusion in the model. Maintaining the diffusion balance re­quires that the time derivative weighting parameter 0 be variable and in some instances negative. Though some amount of phase error is introduced, negative 0 values have no adverse effect upon model stability. Field studies were con­ducted to demonstrate the benefits of careful model development and analysis, and to verify the diffusion wave model for rapidly varying tailwater flow. The bed slope and roughness characteristics of the field study reaches (below Apalachia and Norris Dams) differ greatly, spanning those of a large number of rivers of practical interest. The accurate simulation of flow in both of these tailwaters attests to the soundness of both the physical basis of the model and the numerical solution technique. The field studies confirm, for the extreme case of rapidly varying flow in a mildly sloped river, that inertia has a negligible effect upon unsteady flow waves at low Froude numbers. Additionally, these studies verify that diffusion of short-period waves in rivers is generally significant.
    Type of Medium: Series available for loan
    Pages: vi, 41 Seiten , Illustrationen
    Series Statement: CRREL Report 83-7
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Physical diffusion and dispersion in open channel flow Modeling approach Description of the diffusion wave flow routing model Analysis of the numerical model Modified equation and Hirt analyses of diffusion wave model von Neumann analysis of the diffusion wave model Linear case studies Accuracy considerations of the numerical solution Field studies Apalachia Dam tailwater Norris Dam tailwater Conclusions Literature cited
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  • 58
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    Call number: ZSP-201-83/5
    In: CRREL Report, 83-5
    Description / Table of Contents: This report presents the results of dynamic ice-structure interaction model tests conducted at the CRREL Ice Engineering Facility. A flexible, single-pile, bottom-founded offshore structure was simulated by a test pile with about a one-to-ten scale ratio. Urea (instead of sodium chloride) was used as dopant to scale down the ice properties, resulting in good model ice properties. Six ice fields were frozen and 18 tests carried out. In all cases distinctive dynamic ice structure interaction vibrations appeared, from which abundant data were collected. In tests with linear ice velocity sweep, sawtooth-shaped ice force fluctuations occurred first. With increasing velocity the natural modes of the test pile were excited, and shifts from one mode to another occurred. The maximum ice force values appeared mostly with low loading rates, but high forces appeared random'y at high ice velocities. As a general trend, ice force maximums, averages and standard deviations decreased with increasing ice velocities. The aspect ratio effect of the ice force in continuous crushing follows the same dependence as in static loadings. The frequency of observed ice forces is strongly dominated by the natural modes of the structure. Dynamically unstable natural modes tend to make the developing ice force frequencies the same as the natural frequencies. Otherwise the resulting frequency depends directly on structural stiffness and ice velocity and inversely on the ice force range. During vibrations the displacement rates of the structure overcome the velocity of ice, making low loading rates and hence high ice forces possible. During crushing, ice induces both positive and negative damping.
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    Pages: iv, 53 Seiten , Illustrationen
    Series Statement: CRREL Report 83-5
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test arrangements Ice properties Crushing patterns Maximum ice force vs velocity Dynamic aspect ratio effect and crushing strength Measured ice force frequencies Calculated ice force frequencies Accelerations, velocities and displacements Damping Ice-induced negative damping Limit cycles Buckling load Conclusions Literature cited
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  • 59
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    Call number: ZSP-201-82/13
    In: CRREL Report, 82-13
    Description / Table of Contents: Frost heave is analyzed for the common case in which some ice penetrates the soil. In this situation, heave is due to the accumulation of soil-free ice just within the frozen zone, behind a frozen fringe of finite thickness. Heat and mass transport within and across that fringe are crucial processes in the dynamics of heave. This analysis concentrates on activity within the fringe, also connecting that activity to heat and mass flows in the more frozen and unfrozen zones. Each component in a set of governing differential equations is developed from rational physics and thermodynamics, using previous experimental work. It is assumed that the soil ice grows through interconnected interstices; hence it constitutes and can move as a rigid body. When the assumption is translated into mathematical terms, it completes the governing equations. The model resulting from these considerations is a one-dimensional finite element computer program that solves the equations for arbitrary initial and boundary conditions. The model is used to simulate the heave history of a hypothetical soil column frozen unidirectionally and subjected to a surcharge. The results are gratifying in that they predict qualitatively the characteristics of numerous laboratory observations. Some questions about the completeness of the theory remain, and strict verification of the model awaits further experimentation and better parameter identification.
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    Pages: iii, 11 Seiten , Illustrationen
    Series Statement: CRREL Report 82-13
    Language: English
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  • 60
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    Call number: ZSP-201-82/11
    In: CRREL Report, 82-11
    Description / Table of Contents: The purpose of this investigation was to provide data to be used in evaluating the effects of winter navigation on pro­cesses that cause bank erosion. The specific objectives were to document bank conditions and erosion sites along the rivers, to monitor and compare the amounts of winter and summer bank recession and change, and to estimate the amount of recession that occurred prior to winter navigation. Shoreline conditions and bank recession were documented during field surveys each spring and fall. Bank changes were evaluated by comparison to observations from a previous survey. Aerial photointerpretation was done to estimate the amount of bank recession that occurred prior to winter navigation. Three hundred forty-five miles of river shoreline were surveyed. Banks were eroding along 21.5 miles (6.2%). The common types of bank failures were soil falls (sloughing) and block sliding and slumping. The erosion along approxi­mately 15 miles (70%) of the 21.5 miles was occurring along reaches not bordering winter navigation channels.
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    Pages: v, 75 Seiten , Illustrationen
    Series Statement: CRREL Report 82-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Previous investigations Approach Shoreline conditions Bank changes Bank recession before winter navigation St. Marys River Bank changes Bank recession before winter navigation St. Clair River Bank changes Bank recession before winter navigation Detroit River Bank changes Bank recession before winter navigation St. Lawrence River Bank changes Historical bank recession Summary and conclusions Literature cited Appendix A: St. Marys River Appendix B: St. Clair River Appendix C: Detroit River Appendix D: St. Lawrence River
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  • 61
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    Call number: ZSP-201-82/40
    In: CRREL Report, 82-40
    Description / Table of Contents: The use of explosives to break floating ice sheets is described, and test data are used to develop design curves that predict explosives effects as ice thickness, charge size, and charge depth vary. Application of the curves to practical problems is illustrated by numerical examples. The general features of underwater explosions are reviewed and related to ice blasting. Quasi-static plate theory is considered, and is judged to be inapplicable to explosive cratering of ice plates. The specific energy for optimized ice blasting is found to compare quite favorably with the specific energy of icebreaking ships. All available field data for ice blasting are tabulated in appendices, together with details of the re­gression analyses from which the design curves are generated.
    Type of Medium: Series available for loan
    Pages: iv, 68 Seiten , Illustrationen
    Series Statement: CRREL Report 82-40
    Language: English
    Note: CONTENTS Abstract Preface Introduction General behavior of underwater explosions Regression analysis for ice-blasting data General features of the regression curves Use of the regression curves as design curves for ice blasting Row charges and pattern charges Response of floating ice sheets to underwater explosions Specific energy and “powder factor” Summary and conclusions Literature cited Appendix A: Basic data on ice blasting Appendix B: Scaled input data Appendix C: Initial regression analysis using complete polynomial Appendix D: Regression analysis with two coefficients of the original poly­nomial deleted
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  • 62
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    Call number: ZSP-201-83/16
    In: CRREL Report, 83-16
    Description / Table of Contents: The presence of snow on the ground can impose limitations on the mobility of wheeled and tracked vehicles. Snow depth and density are the two most easily measured snow properties that can be related to mobility over snow. Existing models of snowpack accumulation and ablation processes and models of internal snowpack structure were examined to determine if a model of the snowpack can be developed for use in predicting the snow parameters that affect mobility. Simple models, such as temperature index models, do not provide sufficient snowpack details, and the more detailed models require too many measured inputs. Components of the various models were selected from a basis of a snowpack model for predicting snow properties related to mobility over snow. Methods of obtaining the input data from some components are suggested, and areas where more development is needed are described.
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    Pages: 34 Seiten , Illustrationen
    Series Statement: CRREL Report 83-16
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Conversion of metric units Introduction Review of existing models Accumulation models Ablation models Using existing models for studying mobility Proposed snowpack model for mobility studies Model components Implementation of the model Developing input data Conclusions Literature cited
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  • 63
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    Call number: ZSP-201-83/23
    In: CRREL Report, 83-23
    Description / Table of Contents: The problems associated with measuring stresses in ice are reviewed. Theory and laboratory test results are then presented for a stiff cylindrical sensor made of steel that is designed to measure ice stresses in a biaxial stress field. Loading tests on freshwater and saline ice blocks containing the biaxial ice stress sensor indicate that the sensor has a resolution of 20 kPa and an accuracy of better than 15% under a variety of uniaxial and biaxial loading conditions. Principal stress directions can also be determined within 5 degrees. The biaxial ice stress sensor is not significantly affected by variations in the ice elastic modulus, ice creep or differential thermal expansion between the ice and gauge. The sensor also has a low temperature sensitivity (5 kPa/deg C).
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    Pages: 38 Seiten , Illustrationen
    Series Statement: CRREL Report 83-23
    Language: English
    Note: CONTENTS Abstract Preface Introduction Previous work Stress measurements Design considerations Stress sensors Biaxial ice stress sensor Biaxial stress sensor theory Gauge deformation Stresses associated with cylindrical sensors Determination of ice stresses Gauge calibration Evaluation of the biaxial ice stress sensor Temperature sensitivity Biaxial loading test equipment Biaxial loading test results Differential thermal expansion Long-term drift Discussion of test results Conclusions Literature cited
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  • 64
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    Call number: ZSP-201-83/26
    In: CRREL Report, 83-26
    Description / Table of Contents: Ice accreted on high-speed rotors operating in supercooled fog can be thrown off by centrifugal force, creating severe unbalance and dangerous projectiles. A simple force balance analysis indicates that the strength of accreted ice and its adhesive strength can be obtained by measuring the thickness of the accretion, the location of the separation, the rotor speed, and the density. Such an analysis was applied to field and laboratory observations of self-shedding events. The results agree reasonably well with other observations.
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    Pages: 13 Seiten , Illustrationen
    Series Statement: CRREL Report 83-26
    Language: English
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  • 65
    Call number: AWI A3-20-93434-2
    In: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin, Band XXXII, Heft 2
    Type of Medium: Series available for loan
    Pages: 218 Seiten , Illustrationen
    Series Statement: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 32,2
    Language: German
    Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG
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  • 66
    Call number: MOP 45384/4 / Mitte
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  • 67
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    Dresden : Ingenieurschule für Geodäsie und Kartographie
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    Call number: MOP 47522/2.2 / Mitte
    In: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Type of Medium: Monograph available for loan
    Pages: I, Seiten 25 - 79 , Graphische Darstellungen
    Edition: 1. Auflage
    Series Statement: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
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  • 68
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    Dresden : Ingenieurschule für Geodäsie und Kartographie
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    Call number: MOP 47523/1 / Mitte
    In: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Type of Medium: Monograph available for loan
    Pages: 44 Seiten , Graphische Darstellungen
    Edition: 1. Auflage
    Series Statement: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
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  • 70
    Call number: MOP 46593 / Mitte
    Type of Medium: Monograph available for loan
    Pages: iii, 372 Seiten , Illustrationen
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  • 71
    Call number: MOP 45384/2 / Mitte
    Type of Medium: Monograph available for loan
    Pages: Getrennte Zählung , Illustrationen
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  • 72
    Monograph available for loan
    Monograph available for loan
    Dresden : Ingenieurschule für Geodäsie und Kartographie
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    Call number: MOP 47522/1.2 / Mitte
    In: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Type of Medium: Monograph available for loan
    Pages: I, Seiten 39 - 76 , Graphische Darstellungen
    Edition: 1. Auflage
    Series Statement: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Language: German
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  • 73
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    Call number: MOP 47522/3 / Mitte
    In: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
    Type of Medium: Monograph available for loan
    Pages: I, 33 Seiten , Graphische Darstellungen
    Edition: 1. Auflage
    Series Statement: Spezielles Lehrmaterial für die Aus- und Weiterbildung von Ingenieuren der Fachrichtung Meteorologie
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  • 74
    Call number: 14591
    In: Modern crystallography / Boris K. Vainshtein (ed.-in-chief) ; Vol. 1
    In: Springer series in solid-state sciences ; 15
    Type of Medium: Monograph available for loan
    Pages: XVII, 399 S. , Ill., graph. Darst.
    ISBN: 3540100520 , 0387100520
    Series Statement: Modern crystallography / Boris K. Vainshtein (ed.-in-chief) ; Vol. 1
    Language: English
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  • 75
    Call number: MOP 47617 / Mitte
    In: Environmental pollution monitoring and research programme, 3
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    Pages: 9, 34 gezählte Seiten, 2 Seiten
    Series Statement: Environmental pollution monitoring and research programme 3
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  • 76
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-81/10
    In: CRREL Report, 81-10
    Description / Table of Contents: Abstract: This treatise thoroughly reviews the subjects of density, thermal expansion and compressibility of ice; snow density change attributed to destructive, constructive and melt metamorphism; and the physics of regelation and the effects on penetration rate of both the thermal properties of the wire and stress level. Heat capacity, latent heat of fusion and thermal conductivity of ice and snow over a wide range of temperatures were analyzed with regression techniques. In the case of snow, the effect of density was also evaluated. The contribution of vapor diffusion to heat transfer through snow under both natural and forced convective conditions was assessed. Expressions representing specific and latent heat of sea ice in terms of sea ice salinity and temperature were given. Theoretical models were given that can predict the thermal conductivities of fresh bubbly ice and sea ice in terms of salinity, temperature and fractional air content.
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    Pages: 27 Seiten , Illustrationen
    Series Statement: CRREL Report 81-10
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Density, thermal expansion and compressibility of ice Density Thermal expansion Compressibility Density changes in snow Compaction Destructive metamorphism Constructive metamorphism Melt metamorphism Regelation Thermal properties of snow and fresh-water ice Heat capacity of snow and ice Latent heat Thermal conductivity of ice Thermal conductivity of snow Effective thermal diffusivity Heat transfer by water vapor diffusion in snow Heat and vapor transfer with forced convection Thermal properties of sea ice Specific heat of sea ice Heat of fusion of sea ice when 0° 〉 θ 〉 -8.2°C Density and thermal conductivity of sea ice Composition and air bubble content of sea ice above -8.2°C Thermal conductivity model for sea ice Thermal diffusivity of sea ice Method of determining thermal diffusivity Summary Literature cited
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  • 77
    Call number: MOP 46293 / Mitte
    In: United States Antarctic Research Report to SCAR, No. 25
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    Series Statement: United States Antarctic Research Report to SCAR 25
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  • 78
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    Moscow : Academy of Sciences of the USSR, Soviet Committee on Antarctic Research
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    Call number: MOP 46294 / Mitte
    In: USSR national report to SCAR, No. 24
    Type of Medium: Series available for loan
    Series Statement: USSR national report to SCAR 24
    Language: English
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  • 79
    Call number: MOP 46292 / Mitte
    In: United Kingdom Antarctic research report, 1982
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    Series Statement: United Kingdom Antarctic research report 1982
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  • 80
    Call number: MOP 46357 / Mitte
    In: Studies in geophysics
    Type of Medium: Monograph available for loan
    Pages: XIV, 106 Seiten , Illustrationen
    ISBN: 0309032849
    Series Statement: Studies in geophysics
    Language: English
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  • 81
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    Geneva : WMO
    Call number: MOP 45420 / Mitte
    Type of Medium: Series available for loan
    Pages: Getrennte Zählung , Illustrationen , 28 cm
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  • 82
    Call number: 13259/II, 1 ; 13259/II, 2
    Type of Medium: Monograph available for loan
    Pages: XVIII, 357 Seiten , Illustrationen
    ISBN: 0125251025
    Language: English
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  • 83
    facet.materialart.12
    Oxford : Blackwell Scientific Publications
    Associated volumes
    Call number: 10.1144/GSL.SP.1981.009.01.01
    In: Special publications / the Geological Society, London, Volume 9
    Type of Medium: 12
    Pages: 1 Online-Ressource (VI, 539 Seiten) , Illustrationen
    ISBN: 0632006145
    Series Statement: Special publications / the Geological Society, London 9
    Language: English
    Note: Table of Contents Introduction N. J. Price and K. R. McClay https://doi.org/10.1144/GSL.SP.1981.009.01.01 What is a Thrust? What is a Nappe? J. G. Dennis, R. A. Price, J. K. Sales, R. Hatcher, A. W. Bally, W. J. Perry, H. P. Laubscher, R. E. Williams, D. Elliott, D. K. Norris, D. W. Hutton, T. Emmett, and K. R. McClay https://doi.org/10.1144/GSL.SP.1981.009.01.02 I. Mechanics of Thrusts and Nappes Thoughts on the tectonics of folded belts A. W. Bally https://doi.org/10.1144/GSL.SP.1981.009.01.03 Pore pressure, discontinuities, isostasy and overthrusts P. E. Gretener https://doi.org/10.1144/GSL.SP.1981.009.01.04 Gravitational gliding in deltas G. Mandl and W. Crans https://doi.org/10.1144/GSL.SP.1981.009.01.05 Thrust sheet deformation at a ramp: summary and extensions of an earlier model D. V. Wiltschko https://doi.org/10.1144/GSL.SP.1981.009.01.06 Deformation and secondary faulting near the leading edge of a thrust fault D. A. Rodgers and W. D. Rizer https://doi.org/10.1144/GSL.SP.1981.009.01.07 Mechanical model of thrust sheet gliding and imbrication G. Mandl and G. K. Shippam https://doi.org/10.1144/GSL.SP.1981.009.01.08 The rock mechanics of thrust and nappe formation S. A. F. Murrell https://doi.org/10.1144/GSL.SP.1981.009.01.09 Subduction and coeval thrust belts, with particular reference to North America A. G. Smith https://doi.org/10.1144/GSL.SP.1981.009.01.10 The role of gravity in orogenic belts H. Ramberg https://doi.org/10.1144/GSL.SP.1981.009.01.11 II. Rock Products of Thrusting Dynamic analysis of a small imbricate thrust and related structures, Front Ranges, Southern Canadian Rocky Mountains J. H. Spang and S. P. Brown https://doi.org/10.1144/GSL.SP.1981.009.01.12 The microfabric of calcite tectonites from the Helvetic Nappes (Swiss Alps) S. M. Schmid, M. Casey, and J. Starkey https://doi.org/10.1144/GSL.SP.1981.009.01.13 Very low grade metamorphism with a reverse gradient induced by an overthrust in Haute-Savoie (France) J. Aprahamian and J.-L. Pairis https://doi.org/10.1144/GSL.SP.1981.009.01.14 Saline horizons acting as thrust planes along the southern margin of the Damara Orogen (Namibia/SW-Africa) H. J. Behr, H. Ahrendt, A. Schmidt, and K. Weber https://doi.org/10.1144/GSL.SP.1981.009.01.15 Sliding and other deformation mechanisms in a glacier of salt, S Iran C. J. Talbot https://doi.org/10.1144/GSL.SP.1981.009.01.16 The Caledonides of northern Norway: relation between preferred orientation of quartz lattice, strain and translation of the nappes A.-M. Boullier and J.-M. Quenardel https://doi.org/10.1144/GSL.SP.1981.009.01.17 Structure and distribution of fault rocks in the Alpine Fault Zone, New Zealand R. H. Sibson, S. H. White, and B. K. Atkinson https://doi.org/10.1144/GSL.SP.1981.009.01.18 Uplift rates and thermal structure in the Alpine Fault Zone and Alpine Schists, Southern Alps, New Zealand C. J. Adams https://doi.org/10.1144/GSL.SP.1981.009.01.19 III. Thrust and Nappe Regimes. A. ‘The Old World’ Caledonides The internal geometry of nappes: criteria for models of emplacement M. A. Cooper https://doi.org/10.1144/GSL.SP.1981.009.01.20 The strain profile above a major thrust fault, Finnmark, N Norway N. J. Milton and G. D. Williams https://doi.org/10.1144/GSL.SP.1981.009.01.21 The Moine Thrust Zone: an overview K. R. McClay and M. P. Coward https://doi.org/10.1144/GSL.SP.1981.009.01.22 Tectonic slides in the Caledonides D. H. W. Hutton https://doi.org/10.1144/GSL.SP.1981.009.01.23 Estimation of the rate and amount of absolute lateral shortening in an orogen using diachronism and strike slipped segments W. E. A. Phillips https://doi.org/10.1144/GSL.SP.1981.009.01.24 Strain within thrust sheets M. P. Coward and J. H. Kim https://doi.org/10.1144/GSL.SP.1981.009.01.25 III. Thrust and Nappe Regimes. A. ‘The Old World’ Alpine Tectonics of the Helvetic Nappes J. G. Ramsay https://doi.org/10.1144/GSL.SP.1981.009.01.26 The 3D propagation of décollement in the Jura H. P. Laubscher https://doi.org/10.1144/GSL.SP.1981.009.01.27 Fold-and-thrust tectonics in the Helvetic Nappes (E Switzerland) O. A. Pfiffner https://doi.org/10.1144/GSL.SP.1981.009.01.28 Some observations on the development of thrust faults in the Ultradauphinois Zone, French Alps A. Beach https://doi.org/10.1144/GSL.SP.1981.009.01.29 Gravity sliding in the Maritime Alps R. H. Graham https://doi.org/10.1144/GSL.SP.1981.009.01.30 III. Thrust and Nappe Regimes. A. ‘The Old World’ Eurasia Sutures, thrusts and nappes in the Variscan Arc of western Europe: plate tectonic implications Ph. Matte and J. P. Burg https://doi.org/10.1144/GSL.SP.1981.009.01.31 Wrench related thrusting along a Mesozoic-Cenozoic continental margin: Antalya Complex, SW Turkey N. H. Woodcock and A. H. F. Robertson https://doi.org/10.1144/GSL.SP.1981.009.01.32 Thrust and strike slip fault interaction along the Chaman transform zone, Pakistan R. D. Lawrence and R. S. Yeats S. H. Khan, A. Farah, and K. A. DeJong https://doi.org/10.1144/GSL.SP.1981.009.01.33 Active thrusting and the evolution of the Zagros fold belt J. A. Jackson and T. J. Fitch D. P. McKenzie https://doi.org/10.1144/GSL.SP.1981.009.01.34 An overview of thrusts and nappes of western Himalaya V. C. Thakur https://doi.org/10.1144/GSL.SP.1981.009.01.35 Ambiguity in interpretation of seismic data from modern convergent margins: an example from the IPOD Japan Trench transect R. von Huene, M. Arthur, and B. Carson https://doi.org/10.1144/GSL.SP.1981.009.01.36 Geometrical problems and implications of large scale over-thrusting in the Banda Arc -Australian margin collision zone M. G. Audley-Charles https://doi.org/10.1144/GSL.SP.1981.009.01.37 Neogene thrust emplacement from a frontal arc in New Guinea J. Milsom https://doi.org/10.1144/GSL.SP.1981.009.01.38 IV. Thrust and Nappe Regimes. B. ‘The New World’ The Americas The Cordilleran foreland thrust and fold belt in the southern Canadian Rocky Mountains R. A. Price https://doi.org/10.1144/GSL.SP.1981.009.01.39 The nature and significance of large ‘blind’ thrusts within the northern Rocky Mountains of Canada R. I. Thompson https://doi.org/10.1144/GSL.SP.1981.009.01.40 Metamorphic complex of SE Canadian Cordillera and relationship to foreland thrusting R. L. Brown https://doi.org/10.1144/GSL.SP.1981.009.01.41 Thrust nappes in the Rocky Mountain Foothills near Mountain Park, Alberta H. A. K. Charlesworth and W. E. Kilby https://doi.org/10.1144/GSL.SP.1981.009.01.42 Deformational styles in two Mesozoic fault zones, western Washington, USA D. S. Cowan and R. B. Miller https://doi.org/10.1144/GSL.SP.1981.009.01.43 Thrusts and nappes in the North American Appalachian Orogen R. D. Hatcher, Jr. https://doi.org/10.1144/GSL.SP.1981.009.01.44 COCORP seismic reflection profiling across thrust faults J. A. Brewer, F. A. Cook, L. D. Brown, J. E. Oliver, S. Kaufman, and D. S. Albaugh https://doi.org/10.1144/GSL.SP.1981.009.01.45 Mechanisms for basement shortening in the Andean foreland fold belt of southern South America Margaret A. Winslow https://doi.org/10.1144/GSL.SP.1981.009.01.46
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  • 84
    facet.materialart.12
    Oxford : Blackwell Scientific Publications
    Associated volumes
    Call number: 10.1144/GSL.SP.1983.011.01.01
    In: Special publications / the Geological Society, London, Volume 11
    Description / Table of Contents: This volume contains papers presented at the Geological Society on March 25th and 26th 1981, plus three additional contributions by researchers who were unable to be present at the meeting. The meeting brought together earth scientists with interests in geomorphology, geochemistry, pedology, sedimentology and applied geology. The multidisciplinary approach to the study of residual deposits is reflected in the 25 chapters of this book, which are arranged in four main groups: Weathering processes (chapters 1-3); Kaolinites, laterites and bauxites (chapters 4-11); Red beds (chapters 12-14); Duricrusts: calcretes, silcretes and gypcretes (chapters 15-25). The last two chapters of the book deal with karst related fluorite-baryte deposits, and Cenozoic pedogenesis and landform develop- ment in south-east England. Richard Crockett, Andrew Goudie and Don Highley provided invaluable suggestions during the planning of the meeting that led to this book. R. C. L. WILSON,Department of Earth Sciences, The Open University, Walton Hall, Milton Keynes MK7 6AA.
    Type of Medium: 12
    Pages: 1 Online-Ressource (258 Seiten)
    ISBN: 063201072X
    Series Statement: Special publications / the Geological Society, London 11
    Language: English
    Note: Weathering Processes Lichen weathering of minerals: implications for pedogenesis M. J. Wilson D. Jones https://doi.org/10.1144/GSL.SP.1983.011.01.01 Porewater reactions in the unsaturated zone with special reference to groundwater quality in England D. A. Spears https://doi.org/10.1144/GSL.SP.1983.011.01.02 A review of experimental weathering of basic igneous rocks David C. Cawsey and Paul Mellon https://doi.org/10.1144/GSL.SP.1983.011.01.03 Kaolinites, Laterites and Bauxites Kaolinisation and the formation of silicified wood on late Jurassic Gondwana surfaces H. Wopfner https://doi.org/10.1144/GSL.SP.1983.011.01.04 Kaolinitic weathering profiles in Brittany: genesis and economic importance J. Esteoule-Choux https://doi.org/10.1144/GSL.SP.1983.011.01.05 The origin and occurrence of Devon Ball Clays A. Vincent https://doi.org/10.1144/GSL.SP.1983.011.01.06 The Ayrshire Bauxitic Clay: an allochthonous deposit? S. K. Monro F. C. Loughnan and M. C. Walker https://doi.org/10.1144/GSL.SP.1983.011.01.07 Base metal concentrations in kaolinised and silicified lavas of the Central Burma volcanics T. R. Marshall B. J. Amos D. Stephenson https://doi.org/10.1144/GSL.SP.1983.011.01.08 A low level laterite profile from Uganda and its relevance to the question of parent material influence on the chemical composition of laterites M. J. McFarlane https://doi.org/10.1144/GSL.SP.1983.011.01.09 Palaeoenvironment of lateritic bauxites with vertical and lateral differentiation Ida Valeton https://doi.org/10.1144/GSL.SP.1983.011.01.10 Geochemistry of a nickeliferous laterite profile, Liberdade, Brazil J. Esson https://doi.org/10.1144/GSL.SP.1983.011.01.11 Red Beds Reddening of tropical coastal dune sands R. Gardner https://doi.org/10.1144/GSL.SP.1983.011.01.12 Post-depositional reddening of late Quaternary coastal dune sands, north-eastern Australia K. Pye https://doi.org/10.1144/GSL.SP.1983.011.01.13 Origin of red beds in a moist tropical climate (Etruria Formation, Upper Carboniferous, UK) B. M. Besly P. Turner https://doi.org/10.1144/GSL.SP.1983.011.01.14 Duricrusts: Calcretes, Silcretes and Gypcretes Environment of silcrete formation: a comparison of examples from Australia and the Cologne Embayment, West Germany H. Wopfner https://doi.org/10.1144/GSL.SP.1983.011.01.15 Silcrete in Western Australia: geomorphological settings, textures, structures, and their genetic implications W. J. E. van de Graaff https://doi.org/10.1144/GSL.SP.1983.011.01.16 Geochemistry of weathering profile silcretes, southern Cape Province, South Africa M. A. Summerfield https://doi.org/10.1144/GSL.SP.1983.011.01.17 Pliocene channel calcrete and suspenparallel drainage in West Texas and New Mexico C. C. Reeves, Jr https://doi.org/10.1144/GSL.SP.1983.011.01.18 Concentration of uranium and vanadium in calcretes and gypcretes Donald Carlisle https://doi.org/10.1144/GSL.SP.1983.011.01.19 Ancient duricrusts and related rocks in perspective: a contribution from the Old Red Sandstone John Parnell https://doi.org/10.1144/GSL.SP.1983.011.01.20 A process-response model for the formation of pedogenic calcretes Colin F. Klappa https://doi.org/10.1144/GSL.SP.1983.011.01.21 Stable isotope abundances in calcretes A. S. Talma F. Netterberg https://doi.org/10.1144/GSL.SP.1983.011.01.22 A Geotechnical classification of calcretes and other pedocretes F. Netterberg J. H. Caiger https://doi.org/10.1144/GSL.SP.1983.011.01.23 Karstic residual fluorite-baryte deposits at two localities in Derbyshire R. P. Shaw https://doi.org/10.1144/GSL.SP.1983.011.01.24 Cenozoic pedogenesis and landform development in south-east England John A. Catt https://doi.org/10.1144/GSL.SP.1983.011.01.25
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  • 85
    Call number: 10.1144/GSL.SP.1982.010.01.01
    In: Special publications / the Geological Society, London, Volume 10
    Description / Table of Contents: This book is a collection of papers on an aspect of plate tectonics of which our understanding is at present limited. In the mid-1970s, prior to the recent phase of IPOD active margin drill- ing, few geologists would have anticipated that at the start of the 1980s so many new questions concerning the nature of tectonic and sedimentary processes in forearc regions would have come to light.
    Type of Medium: 12
    Pages: 1 Online-Ressource (VII, 576 Seiten)
    ISBN: 0632007087
    Series Statement: Special publications / the Geological Society, London 10
    Language: English
    Note: Table of Contents Japan The Shimanto Belt of Japan: Cretaceous-lower Miocene active-margin sedimentation A. Taira, H. Okada,J. H. Whitaker, and A. J. Smith https://doi.org/10.1144/GSL.SP.1982.010.01.01 Sedimentation across the Japan Trench off northern Honshu Island Roland von Huene and Michael A. Arthur https://doi.org/10.1144/GSL.SP.1982.010.01.02 Tectonics of some forearc fold belts in and around the arc-arc crossing area in central Japan Yujiro Ogawa https://doi.org/10.1144/GSL.SP.1982.010.01.03 Forearc geological structure of the Japanese Islands Tsunemasa Shiki and Yoshibumi Misawa https://doi.org/10.1144/GSL.SP.1982.010.01.04 Central America Facies belts of the Middle America Trench and forearc region, southern Mexico: results from Leg 66 DSDP J. Casey Moore, Joel S. Watkins, Kenneth J. McMillen, Stephen B. Bachman, Jeremy K. Leggett, Neil Lundberg, Thomas H. Shipley, Jean-Francois Stephan, Floyd W. Beghtel, Arif Butt, Borys M. Didyk, Nobuaki Niitsuma, Les E. Shephard, and Herbert Stradner https://doi.org/10.1144/GSL.SP.1982.010.01.05 Tectonic processes along the Middle America Trench inner slope Thomas H. Shipley, John W. Ladd, Richard T. Buffler, and Joel S. Watkins https://doi.org/10.1144/GSL.SP.1982.010.01.06 Sedimentation in different tectonic environments of the Middle America Trench, southern Mexico and Guatemala Kenneth J. McMillen, Robert H. Enkeboll, J. Casey Moore, Thomas H. Shipley, and John W. Ladd https://doi.org/10.1144/GSL.SP.1982.010.01.07 A summary of Deep Sea Drilling Project Leg 67 shipboard results from the Mid-America Trench transect off Guatemala Roland von Huene, Jean Aubouin, Jacques Azema, Grant Blackinton, Jerry A. Carter, William T. Coulbourn, Darrel S. Cowan, Joseph A. Curiale, Carlos A. Dengo, Richard W. Faas, William Harrison, Reinhard Hesse, Donald M. Hussong, John W. Ladd, … View all authors https://doi.org/10.1144/GSL.SP.1982.010.01.08 Evolution of the slope landward of the Middle America Trench, Nicoya Peninsula, Costa Rica Neil Lundberg https://doi.org/10.1144/GSL.SP.1982.010.01.9 South America Cenozoic structure, stratigraphy and tectonics of the central Peru forearc L. D. Kulm, T. M. Thornburg, and H.-J. Schrader J. M. Resig https://doi.org/10.1144/GSL.SP.1982.010.01.10 Forearc and other basins, continental margin of northern and southern Peru and adjacent Ecuador and Chile R. Moberly, G. L. Shepherd, and W. T. Coulbourn https://doi.org/10.1144/GSL.SP.1982.010.01.11 The geology of the western part of the Borbón Basin, North-west Ecuador C. D. R. Evans and J. E. Whittaker https://doi.org/10.1144/GSL.SP.1982.010.01.12 Aleutians Ancient plate boundaries in the Bering Sea region M. S. Marlow, A. K. Cooper, D. W. Scholl, and H. McLean https://doi.org/10.1144/GSL.SP.1982.010.01.13 The Chugach Terrane, a Cretaceous trench-fill deposit, southern Alaska Tor H. Nilsen and Gian G. Zuffa https://doi.org/10.1144/GSL.SP.1982.010.01.14 Structural evolution of coherent terranes in the Ghost Rocks Formation, Kodiak Island, Alaska Tim Byrne https://doi.org/10.1144/GSL.SP.1982.010.01.15 Asia and Australasia Sedimentation in the Sunda Trench and forearc region Gregory F. Moore, Joseph R. Curray, and Frans J. Emmel https://doi.org/10.1144/GSL.SP.1982.010.01.16 Development of the North Island Subduction System, New Zealand Gerrit J. van der Lingen https://doi.org/10.1144/GSL.SP.1982.010.01.17 Atlantic The Barbados Ridge Complex: tectonics of a mature forearc system G. K. Westbrook https://doi.org/10.1144/GSL.SP.1982.010.01.18 Sedimentology and structure of the Scotland Group, Barbados C. J. Pudsey and H. G. Reading https://doi.org/10.1144/GSL.SP.1982.010.01.19 Subduction and tectonics on the continental margin off northern Spain: observations with the submersible Cyana Jacques-André Malod, Gilbert Boillot, Claude Lepvier, Georges Mascle, and Josette Taugourdeau-Lantz Raymond Capdevila, Pierre-Alain Dupeuble, and Carla Müller https://doi.org/10.1144/GSL.SP.1982.010.01.20 Mediterranean Subduction in the Hellenic Trench: probable role of a thick evaporitic layer based on Seabeam and submersible studies X. Le Pichon, P. Huchon, J. Angelier, N. Lybéris, J. Boulin, and D. Bureau J.P. Cadet, J. Dercourt, G. Glaçon, H. Got, D. Karig, J. Mascle, L.E. Ricou, and F. Thiebault https://doi.org/10.1144/GSL.SP.1982.010.01.21 Detailed tectonic trends on the central part of the Hellenic Outer Ridge and in the Hellenic Trench System N. H. Kenyon, R. H. Belderson, and A. H. Stride https://doi.org/10.1144/GSL.SP.1982.010.01.22 The structure of the Calabro-Sicilian Arc: result of a post-orogenic intra-plate deformation Forese Carlo Wezel https://doi.org/10.1144/GSL.SP.1982.010.01.23 Makran of Iran and Pakistan Deformation of the Makran accretionary sediment prism in the Gulf of Oman (north-west Indian Ocean) Robert S. White https://doi.org/10.1144/GSL.SP.1982.010.01.24 The Late Cretaceous-Cenozoic history of western Baluchistan Pakistan—the northern margin of the Makran subduction complex Russell S. Arthurton, Abul Farah, and Wahiduddin Ahmed https://doi.org/10.1144/GSL.SP.1982.010.01.25 The Makran, Southeastern Iran: the anatomy of a convergent plate margin active from Cretaceous to Present G. J. H. McCall and R. G. W. Kidd https://doi.org/10.1144/GSL.SP.1982.010.01.26 California The Coastal Belt of the Franciscan: youngest phase of northern California subduction Steven B. Bachman https://doi.org/10.1144/GSL.SP.1982.010.01.27 The Franciscan Complex of northernmost California: sedimentation and tectonics K. R. Aalto https://doi.org/10.1144/GSL.SP.1982.010.01.28 Sedimentation, metamorphism and tectonic accretion of the Franciscan assemblage of northern California M. C. Blake, Jr, A. S. Jayko, and D. G. Howell https://doi.org/10.1144/GSL.SP.1982.010.01.29 Deformation of partly dewatered and consolidated Franciscan sediments near Piedras Blancas Point, California Darrel S. Cowan https://doi.org/10.1144/GSL.SP.1982.010.01.30 Initiation and evolution of the Great Valley forearc basin of northern and central California, U.S.A. Raymond V. Ingersoll https://doi.org/10.1144/GSL.SP.1982.010.01.31 Forearc Terranes in Orogenic Belts Cretaceous-Palaeogene Flysch Zone of the East Alps and Carpathians: identification and plate-tectonic significance of ‘dormant’ and ‘active’ deep-sea trenches in the Alpine-Carpathian Arc Reinhard Hesse https://doi.org/10.1144/GSL.SP.1982.010.01.32 The anatomy of a Lower Palaeozoic accretionary forearc: the Southern Uplands of Scotland J. K. Leggett W. S. McKerrow and D. M. Casey https://doi.org/10.1144/GSL.SP.1982.010.01.33 Sedimentology, volcanism, structure and metamorphism of the northern margin of a Lower Palaeozoic accretionary complex; Bail Hill-Abington area of the Southern Uplands of Scotland Barry C. Hepworth, Grahame J. H. Oliver, and Michael J. McMurtry https://doi.org/10.1144/GSL.SP.1982.010.01.34 Facies, Petrology and Models Sedimentary facies associations within subduction complexes Michael B. Underwood and Steven B. Bachman https://doi.org/10.1144/GSL.SP.1982.010.01.35 Composition of modern deep-sea sands from arc-related basins J. Barry Maynard, Renzo Valloni, and Ho-Shing Yu https://doi.org/10.1144/GSL.SP.1982.010.01.36 Initiation of subduction zones: implications for arc evolution and ophiolite development D. E. Karig https://doi.org/10.1144/GSL.SP.1982.010.01.37
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  • 86
    Call number: AWI Bio-23-95083
    Type of Medium: Monograph available for loan
    Pages: 606 Seiten , Illustrationen , 19 cm
    Edition: 87., völlig überarbeitete und erweiterte Auflage von Werner Rauh und Karlheinz Senghas
    ISBN: 3-494-00327-0
    Language: German
    Note: Inhaltsverzeichnis Einleitung: Erklärung der botanischen Fachausdrücke Einige Bemerkungen zur Gliederung des Pflanzenreiches und zur Nomenklatur der Pflanzen Bemerkungen zur Umgrenzung des von der „Flora" erfaßten Gebietes Angaben zur Häufigkeit der Pflanzen Zur Verbreitung der Pflanzen Kurze Bemerkungen zur Geschichte der mitteleuropäischen Flora Naturschutz Hinweise zum Sammeln und Bestimmen von Pflanzen Alphabetisches Verzeichnis häufiger botanischer Fachausdrücke Anleitung zum Gebrauch der Bestimmungstabellen Erklärung der im Text verwendeten Abkürzungen Abkürzungen für Verbreitungsangaben im Gebiet Erläuterung der verschiedenen Druckarten in den Tabellen Das der „Flora" zugrundeliegende System der Pflanzen Tabelle zum Bestimmen der Hauptgruppen Tabellen zum Bestimmen der Familien Tabellen zum Bestimmen der Familien und Gattungen der Blütenpflanzen nach vorwiegend vegetativen Merkmalen Abteilung: Pteridophyta, Gefäßsporenpflanzen Abteilung: Spermatophyta, Samenpflanzen 1. Unterabteilung: Gymnospermae, Nacktsamige Pflanzen 2. Unterabteilung: Angiospermae, Bedecktsamige Pflanzen 1. Klasse: Dicotyledoneae, Zweikeimblättrige Pflanzen 2. Klasse: Monocotyledoneae, Einkeimblättrige Pflanzen Literaturverzeichnis Verzeichnis der geschützten Pflanzenarten Verzeichnis der abgekürzten Autorennamen Verzeichnis der lateinischen und deutschen Pflanzennamen
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  • 87
    Series available for loan
    Series available for loan
    College, Alas. : Division of Geological and Geophysical Surveys
    Call number: AWI G3-23-95009
    Type of Medium: Series available for loan
    Pages: IX,109 Seiten , Illustrationen
    Series Statement: Special report / Division of Geological and Geophysical Surveys 15
    Language: English
    Note: CONTENTS Introduction Sources of information Acknowledgments Physical setting of the Fairbanks area Topography and geology Climate Selected references Frozen ground Seasonally frozen ground Definition The problem Cause of frost heaving Frost action in the Fairbanks area Frost action on pile construction Highway bridges The Alaska Railroad Trans-Alaska Pipeline System Other frost-heave problems Loss of bearing strength Solutions to the frost-action problem Permafrost Definition The problem Origin and thermal regime Distribution and thickness Permafrost in the Fairbanks area Permafrost of the flood plain Permafrost of alluvial fans, colluvial slopes, and silt lowlands Boundaries between permafrost and non permafrost areas Character of ground ice Principles of land use in permafrost areas Ground subsidence caused by thawing of ice-rich permafrost Preliminary statement Thermokarst phenomena General features Therrnokarst mounds Therrnokarst pits Effects on agricultural development Effects on railroads Effects on roads and highways Effects on airfields Effects on heated buildings Effects on natural-gas and oil pipelines General statement Gas pipelines Trans-Alaska Pipeline System Effects on buried utility lines Indicators of permafrost Recognition of the problem Vegetation Small landforms and natural surface patterns Selected references Ground water Preliminary statement Ground water in the Fairbanks area Preliminary statement Tanana and Chena River flood plains Upland hills Lower hillslopes and creek-valley bottoms Geologic hazards associated with ground-water movement in permafrost regions Preliminary statement Artesian wells Icings Seepage icings Stream icings Summary of icings Pingos Selected references Earthquakes Introduction Causes and locations of earthquakes Classification and terminology of earthquakes Earthquake hazards in the Fairbanks area Summary of the earthquake hazard Selected references Landslides Landslides in the Fairbanks area Selected references Hillside erosion in loess Preliminary statement Examples of loess erosion Selected references Flooding Introduction History of flooding in the Fairbanks area Frequency of flooding in the Fairbanks area Solution to the problem of flooding Introduction Structural measures Nonstructural measures Flood proofing Flood warning and evacuation Flood insurance Selected references , Englisch
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  • 88
    Series available for loan
    Series available for loan
    Berlin : Reichsamt f. Wetterdienst (Luftwaffe)
    Associated volumes
    Call number: MOP 17188 ; MOP Per 86/A(24)
    In: Forschungs- und Erfahrungsberichte des Reichswetterdienstes
    Type of Medium: Series available for loan
    Pages: 17 S. : Ill.
    Series Statement: Forschungs- und Erfahrungsberichte des Reichswetterdienstes : Reihe A 24
    Language: German
    Location: MOP - must be ordered
    Location: MOP - must be ordered
    Branch Library: GFZ Library
    Branch Library: GFZ Library
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  • 89
    Monograph available for loan
    Monograph available for loan
    Leipzig : Teubner
    Associated volumes
    Call number: MOP 45409 / Mitte
    In: Kleine naturwissenschaftliche Bibliothek
    Type of Medium: Monograph available for loan
    Pages: 176 S. : 41 graph. Darst. u. Kt.
    Edition: 1. Aufl.
    Series Statement: Kleine naturwissenschaftliche Bibliothek 48
    Uniform Title: Atmosfera i čelovek
    Language: German
    Location: MOP - must be ordered
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  • 90
    Series available for loan
    Series available for loan
    Leipzig : Akademie der Wissenschaften der DDR, Zentralinstitut für Isotopen- und Strahlenforschung
    Associated volumes
    Call number: ZSP-980-46
    In: ZfI-Mitteilungen, Nr. 46
    Type of Medium: Series available for loan
    Pages: 134 Seiten , Illustrationen
    Series Statement: ZfI-Mitteilungen 46
    Language: German
    Note: Inhaltsverzeichnis: Nichtkonstante relative Atommassen als Folge variierender Isotopenhäufigkeiten polynuklider Elemente und ihre Auswirkungen auf die Richtigkeit analytischer Meßwerte bei der Elementanalytik / H. Gerstenberger. - Massenspektrographische Analyse an Standardgesteinsproben / H.-J. Dietze. - Methodische Untersuchungen zur massenspektrographischen Analyse an geologischen Proben mit relativ hohen Seltenerdengehalten / S. Becker, H.-J. Dietze. - Massenspektrographische Analyse von Calciumfluorid-Einkristallen / H.-J. Dietze, H. Zahn. - Gammaaktivierungsanalyse am Mikrotron MT 22 : analytische Möglichkeiten für geologische Proben und Rohsilizium, Bestimmung von Blei / M. Geisler, H. Gerstenberger. - Zur Korrektur von Inhomogenitäten des Reaktorneutronenflusses bei der Aktivierungsanalyse / M. Geisler, H. Schelhorn. - Instrumentelle Aktivierungsanalyse von Molybdäniten / M. Geisler, H. Schelhorn. - Bestimmung von Osmium in Molybdäniten / H. Schelhorn, M. Geisler. - Instrumentelle Aktivierungsanalyse von Flugstaub / M. Geisler. - Aktivierungsanalytische Kontrolle von Spurenelementen bei der Gallium-Diffusion in Silizium / M. Geisler. - Übersicht über bisher erschienene Hefte der ZfI-Mitteilungen.
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  • 91
    Monograph available for loan
    Monograph available for loan
    Bonn : Federal Republic of Germany, Press and Public Relations Department
    Call number: AWI P6-18-91970
    Type of Medium: Monograph available for loan
    Pages: iv, 169 Seiten
    Language: English
    Note: CONTENTS: Introduction. - International co-operation. - Intergovernmental co-operation. - Non-governmental co-operation. - I. Scientific Programme. - 1. Astronomy. - 2. Biological Sciences. - 2.1 The marine ecosystem and its living resources. - 2.1.1 Food resources, phytoplankton production and zooplankton. - 2.1.2 The role of the benthos. - 2.1.3 The role of micro-organisms. - 2.1.4 Distribution and incidence of seals in the pack-ice of the Weddell Sea. - 2.1.5 Distribution and life history of fishes. - 2.1.6 Large-scaie distribution and drift of krill. - 2.1.7 Composition and behaviour of krill shoals. - 2.1.8 Preservation and processing of krill. - 2.2 The adaptation of antarctic marine organisms to their environment. - 2.2.1 Experiments and marine studies on .the ecophysiology of krill. - 2.2.2 Temperature regulation and food requirements of warm-blooded antarctic animals. - 2.2.3 Growth, digestive system and food economy of antarctic fishes. - 2.2.4 Freezing resistance of sea animals. - 2.2.5 Taxonomy of antarctic marine organisms. - 2.3 Terrestrial biology in Antarctica. - 2.3.1 Temperature adjustments in the reproductive biology of antarctic birds. - 2.3.2 Biochemical bases of growth processes in poikilothermic organisms at very low temperatures. - 2.3.3 Nutritional biology of poikilothermic herbivora. - 2.3.4 Study of lichens, fungi and bacteria in Antarctica and on offshore islands. - 2.3.5 Photosynthesis and heterotrophic life cycle of plants at very low temperatures. - 2.4 Environmental protection in Antarctica. - 2.5 Human biology and medicine in polar regions. - 3. Geodesy, Cartography and Remote Sensing. - 3.1 Satellite geodesy. - 3.2 Doppler satellite positioning. - 3.3 Geodetic mapping of ice-free areas. - 3.4 Remote-sensing by satellite. - 4. Geology and Geophysics. - 4.1 Study of drift processes as a contribution to the geological history of Antarctica. - 4.1.1 Study of magnetic structures by means of aeromagnetic photography. - 4.1.2 Paleomagnetic studies of drift evolution. - 4.1.3 Micro-earthquakes as indicators of tectonic activity. - 4.1.4 Earth tides and natural oscillations of the earth. - 4.2 Studies of the structure of crust and mantle. - 4.2.1 Structure of the basement complex of the transantarctic mountain chain in the area east of the Filchner Ice Shelf. - 4.2.2 Structure of the basement of the Weddell Sea, the Filchner/Ronne Ice Shelf, and the peripheral area. - 4.2.3 Oldest and highly metamorphous rocks of the East Antarctic. - 4.3 Stratigraphy, tectonics and magmatism in the mobile areas. - 4.3.1 Mobile fringe areas of the East Antarctic. - 4.3.2 Paleozoic and mesozoic mountains(Beacon upper group) in the transantarctic mountains. - 4.3.3 Early paleozoic to cainozoic orogenes in the area around the Filchner/Ronne Ice Shelf. - 4.4 Study of exogenous processes under extremely cold conditions. - 4.4.1 Glacial geology and geomorphology. - 4.4.2 Weathering and detrital formation. - 4.5 Geoscientific marine research. - 5. Glaciology. - 5.1 Volume and dynamics of the Filchner/Ronne Ice Shelf. - 5.2 Determining the extent and thickness of the ice and its temporal variation in the Filchner/Ronne Ice Shelf sector and peripheral areas. - 5.3 Determining the composition and inner structure of the Filchner/Ronne Ice Shelf on the basis of geophysical surface measurements. - 5.4 Studies of the dynamics of the pack-ice in the Weddell Gyre. - 5.5 Physical characteristics of ocean ice. - 5.6 Glaciological drillings. - 5.7 Chemical composition and accumulation genesis of antarctic background aerosol; global transport of trace gases and aerosols. - 5.8 Study of the elastic and rheological characteristics of ice, its heat conductability and texture affected by deformation. - 6. Upper Atmosphere and Extraterrestrial Physics. - 6.1 Investigation of whistlers and VLF radio emissions (chorus, hiss, etc) at conjugated points. - 6.2 Study of terresterial magnetic pulsations at conjugated points. - 6.3 Study of atmospherics to obtain more precise data on worldwide thunderstorms. - 6.4 Measurements of the aero-electric field. - 6.5 Balloon-based study of the ionosphere in the light of Mg t resonance lines. - 6.6 Measurement of the vertical distribution of ozone, steam and aerosol up to an altitude of 30 km. - 6.7 Measurements of emission in the infrared 9.6 µ ozone band from the ground. - 6.8 Other projects which may be carried out simultaneously with the above or later. - 6.9 Proposed basic terrestrial magnetic equipment for the Antarctic Station. - 6.10 Meteorite search expedition. - 6.11 Study of micrometeorites and cosmic dust. - 7. Meteorology and Oceanography. - 7.1 Meteorology. - 7.1.1 Atmospheric boundary stratum. - 7.1.2 Study of stratospheric circulation. - 7.1.3 Measurement of trace gases over long periods. - 7.1.4 Other research projects. - 7.1.5 Weather service observations and consultations. - 7.1.6 Basic meteorological equipment for the Antarctic Station. - 7.2 Physical oceanography. - 7.2.1 Formation and extent of bottom water in the Atlantic sector of the circumantarctic ocean. - 7.2.2 Numeric simulation of the vertical flows of material, energy and impulses. - 7 2.3 Time scales of transportation in deep water with the aid of radioactive trace elements. - 7.2.4 Detection of heavy metals in the Antarctic Ocean. - 7.2.5 Fishery oceanography in circumantarctic waters. - 7.2.6 Other research projects. - 8. Engineering Sciences. - 8.1 Shipbuilding technology. - 8.1.1 Measuring and testing programme regarding the performance of vessels in ice and technical developments in the construction of ice-going vessels. - 8.2 Iceberg location and navigation. - 8.2.1 Iceberg location. - 8.2.2 Development of precision positioning systems (also for dynamic positioning) to ensure noninterference with signals transmitted through ice and water masses of different thicknesses. - 8.3 Construction techniques. - 8.4 Exploration techniques. - 8.5 Other topics. - The Antarctic Research Station. - The Polar Research and Supply Ship. - The Polar Research Institute. - Institutions contributing to the Programme.
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  • 92
    Call number: AWI G6-18-91903
    Type of Medium: Series available for loan
    Pages: 93 Seiten , Illustrationen
    Series Statement: Schriftenreihe Anwendung von Isotopen und Kernstrahlungen in Wissenschaft und Technik 5
    Language: German
    Note: Inhaltsverzeichnis: 1. Einleitung. - 2. Grundlagen der 15N-Tracertechnik. - 3. Versuchsplanung und -auswertung. - 3.1. Begriffe und Symbole. - 3.2. Formeln und Definitionen für die Berechnung der in der 15N-Tracertechnik benötigten Größen. - 3.2.1. Relative 15N-Häufigkeit. - 3.2.2. Molmasse. - 3.2.3. Stickstoffgehalt. - 3.2.4. N-Masse. - 3.2.5. Stoffmenge. - 3.2.6. N-Menge. - 3.2.7. 15N- bzw. 14N-Menge. - 3.2.8. 15N-Masse. - 3.2.9. 15N-Exzeßmasse. - 3.2.10. Titrimetrische Neutralisationsanalysen. - 3.2.11. Spektren-Auswertung der 15N-Messung. - 3.3. Untersuchung statischer Eigenschaften biologischer Systeme (statische Isotopenverdünnungsanalyse). - 3.4. Untersuchung des dynamischen Verhaltens biologischer Systeme. - 3.4.1. Modellierung von Tracerprozessen. - 3.4.2. Theoretische Grundlagen der mathematischen Modellierung. - 3.4.3. Modell des Stickstoff-Stoffwechsels im Ackerboden. - 3.5. Berechnungsbeispiele zu den Abschnitten 3.2. bis 3.4. - 3.5.1. Isotopenstöchiometrie. - 3.5.2. Titrimetrische Analyse einer 15N-markierten Substanz. - 3.5.3. Isotopenverdünnungsanalyse. - 3.5.4. Tracerkinetik. - 3.6. Literatur. - 4. Methodik der Probenaufbereitung und Isotopenanalytik. - 4.1. Aufarbeitung des Probenmaterials. - 4.2. Chemische Aufbereitung. - 4.3. Probenchemie. - 4.3.1. Dumas-Methode. - 4.3.2. Hypobromit-Methode. - 4.3.3. Sonstige Methoden. - 4.4. Isotopenanalytik. - 4.4.1. Emissionsspektrometrische 15N-Analytik. - 4.4.1.1. Isotopenanalytik mit dem 15N-Analysator NOI-5. - 4.4.1.2. Isotopenanalytik mit dem automatischen 15N-Analysator ISONITROMAT 5200. - 4.4.2. Massenspektrometrische 15N-Isotopenanalyse. - 4.4.3. Methodenvergleich. - 4.5. Fehlerquellen in der 15N-Analytik. - 4.6. Weitere Analysenmethoden in der 15N-Tracertechnik. - 4.6.1. NMR-Spektroskopie. - 4.6.2. Kombinierte Gaschromatographie-Massenspektroskopie und Hochdruck-Flüssigkeitschromatographie-Massenspektroskopie. - 4.7. Literatur. - 5. 15N-Anwendung in der Biochemie. - 5.1. Die biologische Stickstoff-Fixierung. - 5.2. Pflanzenphysiologie. - 5.3. Tierphysiologie. - 5.4. Literatur. - 6. 15N-Anwendung in der landwirtschaftlichen Forschung. - 6.1. Allgemeines. - 6.2. Die Anwendung 15N-markierter Düngemittel zum Studium des N-Umsatzes im Boden. - 6.2.1. Stickstoff-Festlegung. - 6.2.1.1. Ammoniumfixierung und Sorption an organischen Bodenbestandteilen. - 6.2.1.2. Stickstoff-Festlegung in organischen N-Verbindungen. - 6.2.2. Verfügbarkeit und Mobilisierung von Stickstoff. - 6.2.3. Stickstoff-Transformation und Dynamik des Stickstoff-Umsatzes. - 6.2.3.1. Mineralisierung und Immobilisierung. - 6.2.3 .2. Humifizierung. - 6.2.3.3. Nitritzersetzung im Boden. - 6.2.4. Ausnutzung des Düngemittel-Stickstoffs und Stickstoff-Verluste (N-Bilanz). - 6.2.5. Migration von Düngemittel-Stickstoff im Boden. - 6.2.6. Nachwirkungseffekt. - 6.2.7. Forstwirtschaftliche Untersuchungen mit 15N. - 6.3. Die Anwendung 15N-markierter Düngemittel zum Studium des Stickstoff-Umsatzes in der Pflanze. - 6.3.1. Die Aufnahme des Stickstoffs und ihre Beeinflussung durch N-Form, Applikationsart, Pflanzenart, Ernährungszustand, Spurenelementversorgung, Temperatur und Zusammensetzung des Nährsubstrates (Stickstoff-Fixierung). - 6.3.2. Die Ausnutzung des Düngemittel-Stickstoffs durch die Pflanze. - 6.3.3. Verteilung des Dünge-Stickstoffs in der Pflanze. - 6.3.4. Stoffwechsel des gedüngten Stickstoffs. - 6.4. Die Untersuchung des Stickstoff-Umsatzes im Tier mittels 15N. - 6.4.1. Eiweißstoffwechsel. - 6.4.1.1. Proteinverdaulichkeit, Stickstoff-Verweilzeitstudien und Aminosäure-Resorptionskinetik. - 6.4.1.2. Biosynthese von Eiproteinen. - 6.4.1.3. Metabolismus von NPN-Verbindungen bei Wiederkäuern. - 6.5. Literatur. - 7. 15N-Anwendung in der medizinischen Forschung. - 7.1. Besonderheiten der Anwendung stabiler Isotope in der Humanmedizin. - 7.2. Biochemie des Intermediärstoffwechsels. - 7.2.1. Anatomische Lokalisation von Stoffwechselprozessen. - 7.2.2. Aufklärung von Stoffwechselwegen durch Erfassung der Stoffwechselzwischen- oder Endprodukte. - 7.2.3. Bestimmung der mittleren Verweilzeit bzw. Lebensdauer von Verbindungen. - 7.2.4. Bestimmung der Größe von Stoffwechsel-Pools. - 7.3. Gastroenterologie. - 7.4. Pädiatrie. - 7.5. Ernährung. - 7.6. Beiträge zur Diagnostik und Ursachenforschung von Krankheiten und zu pharmakologischen Fragestellungen. - 7.7. Literatur.
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  • 93
    Monograph available for loan
    Monograph available for loan
    [Erscheinungsort nicht ermittelbar] : [Verlag nicht ermittelbar]
    Call number: AWI P2-19-92186
    Type of Medium: Monograph available for loan
    Pages: 23 Seiten
    Language: English
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  • 94
    Monograph available for loan
    Monograph available for loan
    [Erscheinungsort nicht ermittelbar] : Department of Science and Technology, Antarctic Division Australia
    Associated volumes
    Call number: AWI P2-86-0256
    In: Antarctic Telecommunications Guidance Manual, Volume 1
    Type of Medium: Monograph available for loan
    Pages: Diverse Seitenangaben (ca. 50 Seiten)
    Language: English
    Note: TABLE OF CONTENTS: Distribution List. - List of acronyms and abbreviations used. - Record of Amendments. - Foreword to 1st Edition. - Foreword to 2nd Edition. - HISTORY AND DEVELOPMENTS OF ANTARCTIC COMMUNICATIONS. - CONSIDERATION OF TELECOMMUNICATIONS BY SCAR AND ANTARCTIC TREATY CONSULTATIVE PARTIES. - OPERATION OF INDIVIDUAL NATIONS' NETWORKS. - Australia's Antarctic Communications. - Japan's Antarctic communications. - UK Antarctic communications. - US Antarctic communications. - ANTARCTIC TREATY RESOLUTIONS ON ANTARCTIC COMMUNICATIONS. - WMO RESOLUTIONS AND PRINCIPLES ON ANTARCTIC COMMUNICATIONS. - Introduction. - Engineering principles of the GTS. - Functions and responsibilities of Meteorological Telecommunications Centres. - Characteristics of the networks of the GTS. - Operational principles of the GTS. - The transmission of meteorological data an the GTS. - Collection and transmission of meteorological data. - Data processing. - Telecommunications system. - Weather reporting by traverse parties. - Automatic weather station in the Antarctic. - AIREP reports. - Mobile ship stations. - OTHER RELEVANT RECOMMENDATIONS AND RESOLUTIONS. - APPENDIXES. - APPENDIX I. - Manual an the Global Data Processing System, Regional Aspects, the Antarctic. - APPENDIX II. - Network of CLIMAT and CLIMAT TEMP reporting stations in the Antarctic. - APPENDIX III. - Results of the monitoring of Antarctic data reception carried out during the period 12-15 March 1982. - APPENDIX IV. - Existing links for the daily international exchange of meteorological data within the Antarctic. - APPENDIX V. - Principal routes by which Antarctic meteorological data enters the GTS. - APPENDIX VI. - List of Antarctic stations and the routing of their meteorological data to the GTS.
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  • 95
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/38
    In: CRREL Report, 82-38
    Description / Table of Contents: Extreme cold causes heavy buildup of frost, ice and condensation on many windows. It also increases the incentive for improving the airtightness of windows against heat loss. Our study shows that tightening specifications for Alaskan windows to permit only 30% of the air leakage allowed by current American airtightness standards is economically attractive. We also recommend triple glazing in much of Alaska to avoid window icing in homes and barracks. We base our conclusions on a two-year field study of Alaskan military bases that included recording humidity and temperature data, observing moisture accumulation on windows and measuring airtightness with a fan pressurization device.
    Type of Medium: Series available for loan
    Pages: v, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 82-38
    Language: English
    Note: Contents Abstract Preface Nomenclature Introduction Previous work in cold weather window performance Investigation Data acquisition and analysis Modeling the window thermal regime Moisture and ice observations Airtightness testing and analysis Annual heat loss from air leakage Results and conclusions Moisture on windows Airtightness Airtightness economics Recommendations for windows in extreme cold Airtightness Multiple glazing Literature cited Appendix A: Moisture levels and airtightness Appendix B: Dewpoint data Appendix C: Sample observations of icing
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  • 96
    Call number: ZSP-201-82/39
    In: CRREL Report, 82-39
    Description / Table of Contents: Observations of a 4.4-m-high brine step in the McMurdo Ice Shelf, Antarctica, show that it has migrated about 1.2 km in 4 years. The present brine wave is overriding an older brine-soaked layer. This migration is proof of the dynamic nature of the step, which is the leading edge of a brine wave that originated at the shelf edge after a major break-out of the McMurdo Ice Shelf. The inland boundary of brine penetration is characterized by a series of descending steps that are believed to represent terminal positions of separate intrusions of brine of similar origin. The inland boundary of brine percolation is probably controlled largely by the depth at which brine encounters the firn/ ice transition (43 m). However, this boundary is not fixed by permeability considerations alone, since measurable movement of brine is still occurring at the inland boundary. Freeze-fractionation of the seawater as it migrates throught the ice shelf preferentially precipitates virtually all sodium sulfate, and concomitant removal of water by freezing in the pore spaces of the infiltrated firm produces residual brines approximately six times more concentrated than the original seawater.
    Type of Medium: Series available for loan
    Pages: v, 35 Seiten , Illustrationen
    Series Statement: CRREL Report 82-39
    Language: English
    Note: CONTENTS Abstract Preface Introduction Objectives Analytical techniques Radio echo profiling Core drilling Results and discussion Brine infiltration survey Brine layer steps Brine infiltration characteristics Brine infiltration mechanisms at inland boundary Confirmation of brine depths by drilling Density and temperature profiles Ice shelf freeboard Brine upwelling Brine chemistry Conclusions Literature cited
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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-201-82/36
    In: CRREL Report, 82-36
    Description / Table of Contents: Camp construction and drilling activities in 1950 at the East Oumalik drill site in northern Alaska caused extensive degradation of ice-rich, perennially frozen silt and irreversible modification of the upland terrain. In a study of the long-term degradational effects at this site, the near-surface geology was defined by drilling and coring 76 holes (maximum depth of 34 m) in disturbed and undisturbed areas and by laboratory analyses of these cores. Terrain disturbances, including bulldozed roads and excavations, camp structures and off-road vehicle trails, were found to have severely disrupted the site's thermal regime. This led to a thickening of the active layer, melting of the ground ice, thaw subsidence and thaw consolidation of the sediments. Slumps, sediment gravity flows and collapse of materials on slopes bounding thaw depressions expanded the degradation laterally, with thermal and hydraulic erosion removing materials as the depressions widened and deepened with time. Degradational processes became less active after thawed sediments thickened sufficiently to slow the increase in the depth of thaw and permit slope stabilization. The site's terrain is now irregular and hummocky with numerous depressions. Seasonal thaw depths are deeper in disturbed areas than in undisturbed areas and reflect the new moisture conditions and morphology. The severity of disturbance is much greater at East Oumalik than at another old drill site, Fish Creek. The difference results primarily from differences in the physical properties of the sediments, including the quantity and distribution of ground ice.
    Type of Medium: Series available for loan
    Pages: 42 Seiten , Illustrationen
    Series Statement: CRREL Report 82-36
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Methodology Geologic setting Camp construction and occupation Types of disturbance Degradational processes and the effective area of impact Areal effects of disturbance Topography Groundwater, surface water and drainage Sediment properties and near-surface stratigraphy Surficial processes Depth of thaw Comparison to Fish Creek Discussion and conclusions Literature cited
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  • 98
    Call number: MOP 45206 / Mitte
    In: Daily Global Analyses
    Type of Medium: Monograph available for loan
    Pages: 6, 371 Seiten , graphische Darstellungen
    Series Statement: Daily Global Analyses Part 4
    Language: English
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 99
    Call number: ZSP-201-83/32
    In: CRREL Report, 83-32
    Description / Table of Contents: Ice forces on a bridge pier in the Ottauquechee River, in Quechee, Vermont, were measured by installing fourpanels-each capable of measuring forces in the normal and tangential direction - on both sides of a vertical V-shaped pier nose. The measured forces are presented for a short period during an ice run. After the ice run, the thickness and sizes of the ice floes were measured and the compressive strength of the ice was determined in the laboratory from the ice samples collected along the river banks. The water level measurements made at several locations along theriver are also presented for the period of the ice run.
    Type of Medium: Series available for loan
    Pages: ii, 8 Seiten , Illustrationen
    Series Statement: CRREL Report 83-32
    Language: English
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  • 100
    Call number: MOP 45287 / Mitte
    Type of Medium: Journal available for loan
    Pages: Seiten 87-222
    ISSN: 0001-513x , 0541-9425
    Series Statement: Acta Agronomica Academiae Scientiarum Hungaricae 30
    Language: English
    Location: MOP - must be ordered
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