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  • Bücher  (803)
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  • 1
    Monographie ausleihbar
    Monographie ausleihbar
    Vegetation of the earth : in relation to climate and the eco-physiolog. conditions (1977)
    New York [u.a.] : Springer
    Details Verfügbarkeit
    Signatur: PIK N 630-92-0608
    Materialart: Monographie ausleihbar
    Seiten: XIV, 237 S.: Ill., Kt.
    Ausgabe: 3. print.
    ISBN: 0387900462 , 3-540-90046-2
    Serie: Heidelberg science library 15
    Originaltitel: Vegetationszonen und Klima
    Sprache: Englisch
    Standort: A 18 - Bitte bestellen
    Zweigbibliothek: PIK Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Monographie ausleihbar
    Monographie ausleihbar
    The earth's tectonosphere : its past development and present behavior ; an analysis for the geometrical, mechanical, thermal, and chemical aspects of the earth's behavior in terms of a single, long-lived, deep-seated, global driving mechanism that has been operating during the entire 4.6 billion years that the Earth is believed to have been in existence (1977)
    Sudbury : Tatsch
    Details Verfügbarkeit
    Signatur: M 93.0205
    Materialart: Monographie ausleihbar
    Seiten: 468 S.
    Ausgabe: 2. ed.
    ISBN: 0912890037
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
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  • 3
    Monographie ausleihbar
    Monographie ausleihbar
    Understanding the earth : a reader in the earth sciences (1977)
    Sussex : Artemis Pr.
    Details Verfügbarkeit
    Signatur: M 93.0254
    Materialart: Monographie ausleihbar
    Seiten: 383 S.
    Ausgabe: 2nd ed., repr.
    ISBN: 0851413080
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
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  • 4
    Monographie ausleihbar
    Monographie ausleihbar
    Proceedings of the joint symposium on atmospheric ozone : Dresden, 9-17 August 1976 ; Volume 3 (1977)
    Berlin : Selbstverlag
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: PIK N 456-99-0151 ; MOP 44361/3 / Mitte
    In: Proceedings of the joint symposium on atmospheric ozone, Volume 3
    Materialart: Monographie ausleihbar
    Seiten: 386 Seiten
    Serie: Proceedings of the joint symposium on atmospheric ozone 3
    Sprache: Englisch
    Standort: A 18 - Bitte bestellen
    Standort: MOP - Bitte bestellen
    Zweigbibliothek: PIK Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 5
    Monographie ausleihbar
    Monographie ausleihbar
    Proceedings of the joint symposium on atmospheric ozone : Dresden, 9-17 August 1976 ; Volume 1 (1977)
    Berlin : Selbstverlag
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: PIK N 456-99-0149 ; MOP 44361/1 / Mitte
    In: Proceedings of the joint symposium on atmospheric ozone, Volume 1
    Materialart: Monographie ausleihbar
    Seiten: 386 Seiten , Illustrationen
    Serie: Proceedings of the joint symposium on atmospheric ozone 1
    Sprache: Englisch
    Standort: A 18 - Bitte bestellen
    Standort: MOP - Bitte bestellen
    Zweigbibliothek: PIK Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 6
    Monographie ausleihbar
    Monographie ausleihbar
    Proceedings of the joint symposium on atmospheric ozone : Dresden, 9-17 August 1976 ; Volume 2 (1977)
    Berlin : Selbstverlag
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: PIK N 456-99-0150 ; MOP 44361/2 / Mitte
    In: Proceedings of the joint symposium on atmospheric ozone, Volume 2
    Materialart: Monographie ausleihbar
    Seiten: 386 Seiten
    Serie: Proceedings of the joint symposium on atmospheric ozone 2
    Sprache: Englisch
    Standort: A 18 - Bitte bestellen
    Standort: MOP - Bitte bestellen
    Zweigbibliothek: PIK Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 7
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Remote sensing of accumulated frazil and brash ice in the St. Lawrence River (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/8
    In: CRREL Report, 77-8
    Beschreibung / Inhaltsverzeichnis: A broadbanded impulse radar system was used for aerial detection of accumulated frazil and brash ice in a 9.5-km reach of the St. Lawrence River near Ogden Island. The remote sensing and data reduction system developed for the project provided data sufficient for production of a contour map having 1-ft intervals. With this contour map, the accumulation pattern of frazil and brash ice could be analyzed. Recommendations are given for improving the performance of the aerial profiling system.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iv, 19 Seiten , Illustrationen
    Serie: CRREL Report 77-8
    URL: https://hdl.handle.net/11681/9483
    Sprache: Englisch
    Anmerkung: CONTENTS Page Abstract Preface Conversion factors: U.S. customary to metric (SI) units of measurement Background Objectives Profiling system Approach Profiling method Data reduction and interpretation Results Conclusions Recommendations Literature cited Appendix A. Comparison of ground and aerial data
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
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  • 8
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    A laboratory investigation of the mechanics and hydraulics of river ice jams (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/9
    In: CRREL Report, 77-9
    Beschreibung / Inhaltsverzeichnis: This report presents experimental results on the conditions of initiation of an ice jam by a simple surface obstruction, on the equilibrium thickness of an ice jam formed by accumulation and submergence of ice floes, and on the compression strength of floating, fragmented ice cover. In the study on ice jam initiation, it was found that the minimum concentration of floes in the opening of the obstruction at which a jam occurs is nearly independent of the ratio of width of constricted passage to channel width, and is proportional to a negative power of the ratio of floe length to width of constricted passage. From energy analysis of floe submergence, a relationship relating the thickness of a jam formed by accumulation and submergence of floes to the approach flow characteristics was derived and found to fit satisfactorily the experimental data. In experiments on compression strength of floating, fragmented ice cover it was found that the compressive strength is inversely proportional to compression velocity and independent of cover length.
    Materialart: Schriftenreihen ausleihbar
    Seiten: vii, 45 Seiten , Illustrationen
    Serie: CRREL Report 77-9
    URL: https://hdl.handle.net/11681/9482
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface List of symbols Introduction I. Initiation of ice jams by partial surface obstructions A. Introductory remarks B. Experimental apparatus and procedure C. Dimensional analysis D. Presentation of results and discussion ΙΙ. Thickness of ice jams due to accumulation and transport of ice floes A. Introductory remarks B. Experimental apparatus and procedures C. Presentation of results E. Conclusion III. Compressive strength of floating fragmented ice covers A. Introductory remarks B. Experimental setup and procedure C. Presentation of results and discussion D. Conclusions Literature cited Appendix A: Experimental results on ice jam initiation Appendix B: Effect of surface tension on submergence velocity of ice floes Appendix C: Experimental results for ice jam thickness study Appendix D: Experimental results on compressive strength of fragmented ice cover
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
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  • 9
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Roof moisture survey : ten state of New Hampshire buildings (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/31
    In: CRREL Report, 77-31
    Beschreibung / Inhaltsverzeichnis: Ten roofs in Concord, New Hampshire, were surveyed for wet insulation using a hand-held infrared camera. Suspected wet areas were marked on the roof with spray paint and roof samples were obtained to verify wet and dry conditions. Recommendations for maintenance and repair were made based on infrared findings, water contents, and visual examinations. An incremental economic study is presented to serve as a guide in determining the most cost-effective approach.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 29 Seiten , Illustrationen
    Serie: CRREL Report 77-31
    URL: https://hdl.handle.net/11681/9502
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Conversion factors: US, customary to metric (SI) units of measurement Introduction Infrared camera Core samples State House State House Annex State Library Legislative Office Building Public Health Complex Highway Garage Fish and Game Offlces Supreme Court John O. Morton Building Department of Health and Welfare Laboratory Economics of roof reinsulation Conclusions and recommendations Literature cited
    Standort: AWI Archiv
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  • 10
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Icebreaker simulation (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/16
    In: CRREL Report, 77-16
    Beschreibung / Inhaltsverzeichnis: A brief discussion is given of the ways an icebreaker breaks ice. Since the icebreaking process is so complex, the solution of a mathematical model does not appear to be feasible. As an alternative, it is suggested that physical models be used to design icebreakers. The appropriate scaling laws for physical models are developed and their practical limitation discussed.
    Materialart: Schriftenreihen ausleihbar
    Seiten: ii, 9 Seiten , Illustrationen
    Serie: CRREL Report 77-16
    URL: https://hdl.handle.net/11681/9515
    Sprache: Englisch
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
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  • 11
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Ice accumulation on ocean structures (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/17
    In: CRREL Report, 77-17
    Beschreibung / Inhaltsverzeichnis: A literature search was made for information on the accretion of ice on ocean structures and on methods for control. The bulk of the reports were in Russian, with some additional Japanese, British, American, Canadian, and Icelandic sources. Analysis of icing reports indicated that sea spray is the most important cause of ship icing, with lesser amounts due to freezing rain, snow, and fog. Icing is a potential danger whenever air temperatures are below the freezing point of water and the sea temperature is 6 C or lower. Theoretical work on the ice accretion process is discussed, and a method is suggested, based on Russian experiments, for calculating the sea spray accumulation rate for cylindrical and flat surfaces as a function of water source temperature, air temperature, and wind speed. Other factors that influence icing severity are ship size and configuration, angle between ship course and water heading, and ship speed. Icing in the north temperate latitudes generally occurs in the rear of barometric depressions. Maps showing limits of various degrees of icing severity are included. Atmospheric icing measurements on tall land-based structures are presented, and potential maximum accumulations estimated. Control measures are discussed, though no completely effective method is available. Mechanical (impaction) methods are the most common, but experiments have been conducted on heated, icephobic, and deformable surfaces, and with freezing point depressants. No device for the unequivocal measurement of ice accumulation is available, though some experimental methods are suitable for controlled testing; it is recommended that a device be developed.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 42 Seiten , Illustrationen
    Serie: CRREL Report 77-17
    URL: https://hdl.handle.net/11681/9516
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric units of measurements Introduction The freezing proeess Icing observations Geographical distribution of icing and contributing meteorological conditions Extreme icing conditions Extremes of icc accumulation Prediction of icing occurrences Prediction of icing intensity and rate Control methods Measurement of icing rate Conclusions and recommendations Literature cited Appendix A. Maps of icing occurrence and rate Appendix B. Data for computing ship icing rates Appendix C. Estimation of ice accumulation
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
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  • 12
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    A computer model of municipal snow removal (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/30
    In: CRREL Report, 77-30
    Beschreibung / Inhaltsverzeichnis: Abstract: Ageneral computer model to simulate municipal snow removal has been developed. Programs which aid in the routing of snowplows are a part of this package. Once vehicle routes are created, the simulation program can be used to assess situations varying both equipment and meteorological parameters. Time for each plow to complete its route is calculated. Considerations are made for the above variable parameters plus plowing windrow, route starting depth, overlapping truck routes and intersection delay time. The effects of storm length, snowfall rate and starting depth on total plowing time are examined in a test case.
    Materialart: Schriftenreihen ausleihbar
    Seiten: ii, 7 Seiten , Illustrationen
    Serie: CRREL Report 77-30
    URL: https://hdl.handle.net/11681/9503
    Sprache: Englisch
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
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  • 13
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Protected membrane roofs in cold regions (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/2
    In: CRREL Report, 76-2
    Beschreibung / Inhaltsverzeichnis: The repair and maintenance costs of low slope roofs are high and their life expectancy is less than desired. The increasing use of insulation is accompanied by a greater incidence of problems. The experience in cold regions amplifies these experiences. Protected membrane roofs have the prerequisites for better performance and the experience to date is encouraging. The results of performance measurements of three roofs built by the Corps of Engineers verify that the membrane remains at nearly constant temperature, independent of the weather, and that the insulation retains its integrity despite periodic wetting. Moisture absorption is slow and appears to stabilize in time due to the self-drying nature of the roof. Heat losses are increased due to rain, and extra insulation should be added to compensate for these losses. The resistance of protected membrane roofs to fire, traffic, impact, and other adverse forces is superior. So far, the initial cost of protected membrane roofs is at a premium, primarily due to the cost of concrete pavers. The initial cost premium can be justified, however, by the reduced repair and maintenance costs as indicated to date, and by the longer life expectancy of the protected membrane. The high probability of superior performance and cost effectiveness is a compelling reason to incorporate protected membrane roofs increasingly in Government construction.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 27 Seiten , Illustrationen
    Serie: CRREL Report 76-2
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6409
    Sprache: Englisch
    Anmerkung: CONTENTS Page Abstract Preface Introduction Low slope roof problems and repair costs Protected membrane roofs and materials Installations of protected membrane roofs Performance evaluation Test program Effectiveness Thermal efficiency Heat balance Internal cooling due to rain Moisture absorption and thermal conductivity of insulations Durability and life expectancy Fire resistance Patent considerations Costs of roofs Design considerations Proposed specifications Conclusions and recommendations Literature cited
    Standort: AWI Archiv
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  • 14
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Islands of grounded sea ice (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/4
    In: CRREL Report, 76-4
    Beschreibung / Inhaltsverzeichnis: Large areas of grounded sea ice have been reported by early arctic explorers and more recently by the U.S. Coast Guard. The ESSA, ERTS, NOAA and DMSP satellites now provide multispectral imagery with sufficiently high resolution to allow detailed sequential observations to be made of the movement and spatial extent of arctic sea ice. This report discusses the location, formation and decay of five large (greater than 30 sq km) islands of grounded sea ice in the southern Chukchi Sea as observed for an extended period of time using satellite imagery. Measurements of the bathymetry around one grounded sea ice feature are presented along with observations made and photos taken from the ice surface. The potential use of these sea ice islands as research stations is also discussed.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 24 Seiten , Illustrationen
    Serie: CRREL Report 76-4
    URL: https://apps.dtic.mil/docs/citations/ADA025257
    Sprache: Englisch
    Anmerkung: Contents Introduction The discovery Age of the island Island visit Other islands of grounded ice Discussion Literature cited
    Standort: AWI Archiv
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  • 15
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Cantilever beam tests on reinforced ice (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/7
    In: CRREL Report, 76-7
    Beschreibung / Inhaltsverzeichnis: This report covers a series of cantilever beam tests designed to determined the efficacy of adding reinforcement to an ice cover. Tests were run using 1-in.-diam tree branches, 3/16-in.-diam wire rope and 9/16-in. half-round wood dowels as reinforcement for both seawater and freshwater ice. The results show a definite advantage derived from using reinforcement, even when poorly placed. The results also show that reinforced ice carries a load even after it cracks. Thus, after the initial cracks there is time to remove people and equipment before final breakthrough. One must bear in mind, however, that reinforcement has disadvantages. The darker reinforcement absorbs solar radiation and thereby causes earlier weakening of the ice cover. Also, in many cases the time and effort required to place reinforcement may exceed those required to achieve equal strength by additional thickening of the ice sheet. This study has shown that understanding of the failure mechanism of ice under repetitive loading is poor and that future studies should be performed on this problem. Also, this study covered only cantilever beams. The actual field problem is strengthening a three-dimensional sheet. Hence, distribution and orientation of the reinforcement should be addressed in future studies.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 12 Seiten , Illustrationen
    Serie: CRREL Report 76-7
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6219
    Sprache: Englisch
    Anmerkung: Contents Abstract Preface Summary Conversion factors: U.S. customary to SI metric units Introduction Typical methods of constructing ice bridges Current knowledge Test program Objectives Equipment Procedure Data General Specific ice sheets Test results Conclusions Recommendations Literature cited
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  • 16
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    De-icing using lasers (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/10
    In: CRREL Report, 76-10
    Materialart: Schriftenreihen ausleihbar
    Seiten: vi, 25 Seiten , Illustrationen
    Serie: CRREL Report 76-10
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6144
    Sprache: Englisch
    Anmerkung: CONTENTS Introduction Experimental work SCR samples CAG samples CMS samples UAG samples SI samples Optical system Equipment Procedure Photographic work Large cracks and fissures Small damage to the surface Small damage to the buIk Results Damage as a function of the position x of the focal point; n(x) Damage as a function of the number of irradiations #; n(#) Damage as a function of crystallographic orientation ĉ; n (ĉ); p (ĉ) Damage as a function of surface structure Damage as a function of age A; n (A) Damage as a function of wavelength λ; p(λ) Systematic study of damage as a function of W, t, m and s; n(W, t, m, s) Analysis Fracture in ice Mechanisms for optically generated damage in transparent dielectrics Discussion of the results Summary and conclusions Literature cited
    Standort: AWI Archiv
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  • 17
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    Schriftenreihen ausleihbar
    Revegetation in Arctic and subarctic North America : a literature review (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
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    Signatur: ZSP-201-76/15
    In: CRREL Report, 76-15
    Beschreibung / Inhaltsverzeichnis: A literature review of revegetation and biological aspects of restoration research was completed for arctic and sub­arctic North America. Although there is a great deal of climatic variation in this region it is generally characterized by extreme conditions, such as a short growing season and permafrost. Most of the revegetation research has been undertaken in the last six years as a result of increased natural resource development. The primary goal has been erosion control, with aesthetics, minimization of thermokarst, and production of browse as other objectives. Revege­tation and long-term restoration methods depend upon such variables as the site conditions, nutrient regime (especially as this is influenced by the climatic conditions in the Arctic and Subarctic), plant adaptations, and the selection of native or introduced species. Technologies which have been developed to meet these conditions primarily include seedbed preparation, use of seed mixes, and fertilization and seeding methods. Most of the research has focused on the use of agronomic grasses and legumes. These are selected on the basis of a number of factors, such as cold hardiness and growth form prior to evaluation in the laboratory and the field. The most successful species to date have been Arctared fescue and Nugget bluegrass in the Arctic, while these two as well as creeping red fescue, meadow foxtail, Frontier reed canarygrass, Durar hard fescue, slender wheatgrass, and Icelandic poa did well in the Subarctic. Similar methods have been attempted to a more limited extent with evaluation of native herbaceous and woody species which seem promising on the basis of natural succession studies. There are a number of continuing research needs for arctic anc subarctic revegetation. These include fertilization strategies, development of specialized techniques (such as sprigging) for native species, and longer term studies. It is particularly important to integrate short term revegetatio methods with long-term restoration goals.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iv, 32 Seiten , Illustrationen
    Serie: CRREL Report 76-15
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6160
    Sprache: Englisch
    Anmerkung: CONTENTS Page Abstract Preface Introduction Definition of revegetation Definition of restoration Objectives Some revegetation considerations Site conditions Nutrient regime Plant adaptations Native species vs introduced species Methods Seedbed preparation Seeding methods Timing of seeding Seed mixes Fertilization Agronomic grasses and legumes Selection criteria Laboratory evaluation Field evaluation Effect of revegetation methods Site conditions Maintenance of herbaceous cover Introduced woody species Native species — succession Significance of disturbance Primary succession Secondary succession Herbaceous native species Selection Laboratory evaluation Field evaluation Effect of revegetation methods Woody native species Selection Laboratory evaluation Field evaluation Native species and agronomic species, in combination Recommendations for research Summary Bibliography Appendix: Species tested
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  • 18
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Compressibility characteristics of compacted snow (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/21
    In: CRREL Report, 76-21
    Beschreibung / Inhaltsverzeichnis: The effects of snow temperature and initial density on the stress vs density and stress vs deformation relationships were investigated for shallow compacted snow in the density range of 0.28 to 0.76 g/cu m, for stress range of 0.5 to 72 bars and a temperature range of -1 to -34 C at a deformation rate of 40 cm/s. A decrease in temperature increases the resistance to stress, the effect increasing with applied stress. For any stress, an increase in the initial density results in an increase in the resulting density, the effect decreasing with an increase in stress. The approximate yield envelopes, which define the stress required to initiate any deformation of snow of a particular density and temperature, were determined. Rapid compaction of snow results in extensive recrystallization, significantly different from that of naturally compacted snow. At a stress of 72 bars, transformation to ice occurs only at temperature above -10C.
    Materialart: Schriftenreihen ausleihbar
    Seiten: vi, 47 Seiten , Illustrationen
    Serie: CRREL Report 76-21
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6184/rec/1
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Nomenclature Introduction Description of study Sample preparation Test equipment and procedure Discussion of results Stress-density relationship Stress-deformation relationship Summary and conclusions Microstructural examination of artifically compacted snow Analytical techniques Results and discussion Conclusions Literature cited Appendix: Photographs of oscilloscope traces
    Standort: AWI Archiv
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  • 19
    Monographie ausleihbar
    Monographie ausleihbar
    Einführung in die Metallogenie, Mineralogie : mit 36 Tabellen (1976)
    Leipzig : Dt. Verl. für Grundstoffindustrie
    Details Verfügbarkeit
    Signatur: G 5891 2. Ex. ; G 5890 ; M 93.0194
    Materialart: Monographie ausleihbar
    Seiten: 458 S. : graph. Darst. + 2 Kt.
    Ausgabe: 1. Aufl.
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 20
    Monographie ausleihbar
    Monographie ausleihbar
    Ophiolites : ancient oceanic lithosphere? (1977)
    Berlin [u.a.] : Springer
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: G 7148(2. Ex.) ; 10/G 7724 ; M 93.0092/12 ; G 7148(1. Ex.)
    In: Minerals and rocks
    Materialart: Monographie ausleihbar
    Seiten: IX, 229 S. : graph. Darst.
    Serie: Minerals and rocks 12
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Lesesaal
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 21
    facet.materialart.
    Unbekannt
    Chemistry of marine sediments (1977)
    Ann Arbor
    Details Verfügbarkeit
    Signatur: 93.0201
    Seiten: VI, 265 S.
    Sprache: Englisch
    Zweigbibliothek: GFZ Bibliothek
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  • 22
    Monographie ausleihbar
    Monographie ausleihbar
    Regional studies; Vol. 5. (1976)
    Amsterdam [u.a.] : Elsevier
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 11/M 93.0094/5
    In: Handbook of strata-bound and stratiform ore deposits ; part II
    Materialart: Monographie ausleihbar
    Seiten: XI, 319 S.
    ISBN: 0444414053
    Sprache: Englisch
    Standort: Lesesaal
    Zweigbibliothek: GFZ Bibliothek
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  • 23
    Monographie ausleihbar
    Monographie ausleihbar
    Tectonics and metamorphism; Vol. 4. (1976)
    Amsterdam [u.a.] : Elsevier
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 11/MR 90.0991 ; M 93.0094/4
    In: Handbook of strata-bound and stratiform ore deposits ; part I
    Materialart: Monographie ausleihbar
    Seiten: X, 429 S.
    ISBN: 0444414045
    Sprache: Englisch
    Standort: Lesesaal
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
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  • 24
    Monographie ausleihbar
    Monographie ausleihbar
    Text and figures; 1. (1977)
    Hannover : Bundesanstalt für Geowissenschaften und Rohstoffe
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 9882/I ; M 93.0064/1
    In: The iron ore deposits of Europe and adjacent areas
    Materialart: Monographie ausleihbar
    Seiten: 418 S. : graph. Darst.
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 25
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Mid-winter installation of protected membrane roofs in Alaska (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/21
    In: CRREL Report, 77-21
    Beschreibung / Inhaltsverzeichnis: Cold weather limits the successful application of built-up roofing, but often a roof installation must be completed late in the fall or in the winter. The loose-laid protected membrane roof with a synthetic sheet membrane can be installed in the middle of the winter with complete reliability. A synthetic membrane is traditionally more expensive than built-up roofing (rising crude oil prices, however, have reversed this condition), but it has two special features besides its suitability for winter installation: it can be placed on a damp deck, if necessary, and, being losse-laid, it does not split because of deck movement. This report documents information on the installation of two roofs in Anchorage, Alaska, during January and February 1972, including a discussion of the necessary snow removal from the bare deck and the use of portable shelters for preparing the lap joints between sheets during very cold weather. The winter installation caused no special construction problems and the advantages of the synthetic membrane make it an attractive alternative to built-up roofing. The cost of loose-laid protected membrane roofs in Alaska was, in 1972, nearly $300 per square ($28/sq.m), including insulation. Prices are rising as labor costs rise and as more insulation is specified.
    Materialart: Schriftenreihen ausleihbar
    Seiten: 5 Seiten , Illustrationen
    Serie: CRREL Report 77-21
    URL: https://hdl.handle.net/11681/9493
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Introduction The protected membrane roof Winter construction considerations Construction costs Conclusion
    Standort: AWI Archiv
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  • 26
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Freeze-thaw tests of liquid deicing chemicals on selected pavement materials (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/28
    In: CRREL Report, 77-28
    Beschreibung / Inhaltsverzeichnis: Tests were conducted to assess the extent of surface degradation resulting from the application of non-chloride deicing chemicals on three types of airfield pavements. The chemicals tested were proprietary mixtures of urea, formamide, and ethylene glycol; sodium chloride, distilled water, and dry specimens were used as controls and for comparison. Pavements included new and old specimens of open-graded asphaltic concrete and old specimens of dense-graded asphaltic concrete. Portland cement concrete specimens used were new and old, with and without air-entrainment. New and old tar rubber concrete specimens were also tested. Samples were subjected to up to 60 freeze-thaw cycles with deicing chemicals flooding their upper surface. Each specimen was rated on a scale of 0-5 after every five freeze-thaw cycles. All PCC specimens showed some surface degradation, whereas the dense- and open-graded asphaltic concretes were largely unaffected.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 16 Seiten , Illustrationen
    Serie: CRREL Report 77-28
    URL: https://hdl.handle.net/11681/9501
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) Units of measurement Introduction Test procedure Pavement types Deicing chemicals Description of tests Discussion Literature cited Appendix A: Test results Appendix B: Portland cement concrete materials data
    Standort: AWI Archiv
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  • 27
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Thermal pollution studies of French creek, Eielson AFB, Alaska (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/14
    In: CRREL Report, 76-14
    Beschreibung / Inhaltsverzeichnis: At the height of warm weather in Alaska in 1975, temperature measurements were made to determine the extent of the thermal impact on French Creek due to a condenser cooling water impact from the Eielson AFB Power plant. Water temperature measurements during a two-day period failed to show any significant thermal impact on the water in French Creek. It was concluded that no thermal pollution exists due to this warm water input at the volumes and conditions that presently exist.
    Materialart: Schriftenreihen ausleihbar
    Seiten: ii, 5 Seiten , Illustrationen
    Serie: CRREL Report 76-14
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6222
    Sprache: Englisch
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
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  • 28
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Evaluation of MESL membrane : puncture, stiffness, temperature, solvents (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/22
    In: CRREL Report, 76-22
    Beschreibung / Inhaltsverzeichnis: Several membrane materials used or considered for MESL (membrane-enveloped soil layer) utilization of poor soils in road construction have been tested for cold effect on puncture and stiffness. PE (polyethylene) film was also tested for solvent soak effects. A simple blunt needle apparatus was devised for puncture testing. For plastic films (mainly PE), both puncture resistance and stiffness increase at low temperature (0 F, -18 C). For non-woven, spunbonded fabrics these properties are little affected by cold. For both non-wovens and PE film, puncture and bending strengths increase linearly with weight or thickness. The slope is steeper for the non-wovens, which generally are stronger on a per unit weight basis. PE film soaked in a hydrocarbon solvent swelled approximately 17% and lost about 30-40% its puncture strength. These effects are apparently reversible upon drying. Consideration has been given to sealing and patching requirements and to the drying of sealant liquids when adhering film to film. Also considered have been pos­sible slippage related to the reported low angle of friction of plastic films in soil and the possibility of lamination for improved membrane properties.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 60 Seiten , Illustrationen
    Serie: CRREL Report 76-22
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6187
    Sprache: Englisch
    Anmerkung: CONTENTS Page Abstract Preface Introduction Experimental Materials Apparatus Procedure Results Discussion PE solvent soak and swelling PE solvent soak and puncture Film puncture rate effect Bending orientation Comparative tables and graphs Puncture and temperature Bending and temperature Test result vs thickness and weight General considerations Conclusion and recommendations Literature cited Appendix Detailed data tables Denier explanation
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  • 29
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Interpretation of the tensile strength of ice under triaxial stresses (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/5
    In: CRREL Report, 76-5
    Beschreibung / Inhaltsverzeichnis: Griffith, and later Babel, have previously developed a tensile fracture criterion for a two-dimensional state of stress. This theory is extended to the compression-compression region. From this theory the angle of fracture is developed. The theory is extended conceptually to three dimensions. Triaxial test data by Haynes for snow-ice are shown in this three-dimensional fracture theory. The test data are slightly less than those predicted when the void in the snow-ice is spherical.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iii, 9 Seiten , Illustrationen
    Serie: CRREL Report 76-5
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6171
    Sprache: Englisch
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
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  • 30
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Effects of radiation penetration on snowmelt runoff hydrographs (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/11
    In: CRREL Report, 76-11
    Beschreibung / Inhaltsverzeichnis: Water flow through the unsaturated portion of a snowpack is calculated using various assumptions about radiation penetration into the snow. The results show that for the purposes of hydrologic forecasting, it is sufficiently ac­curate to assume that all of the radiation absorption occurs at the surface. The error in the calculation of flow is largest for very shallow snowpacks, but this error is reduced by radiation absorption at the base of the snow and by the routing of meltwater through the saturated basal layer.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 9 Seiten , Illustrationen
    Serie: CRREL Report 76-11
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6186
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Summary Conversion factors for U.S. customary and SI units Introduction Theory Examples Discussion Literature cited
    Standort: AWI Archiv
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  • 31
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Thickness and roughness variations of Arctic multiyear sea ice (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/18
    In: CRREL Report, 76-18
    Beschreibung / Inhaltsverzeichnis: Three surface elevation and ice thickness profiles obtained during the 1972 Arctic Ice Dynamics Joint Experiment on a multiyear ice floe were analyzed to obtain relationships between surface elevation, thickness and physical properties of the ice. It was found that for ice freeboards from 0.10 m to 1.05 m above sea level a linear relationship between ice density and freeboard could be postulated. The equation for the regression line is: Ice density = -194f' + 974 kg/cu m where f' is the ice freeboard plus snow depth in ice equivalent at the point in question. This statistical relationship is consistent with observed physical properties, which indicate that as the ice freeboard increases, ice salinity decreases and the higher freeboard or thicker ice therefore decreases in density. Using this variable density with freeboard relationship, a model was constructed to predict ice thickness, given ice freeboard and snow depth alone. This prediction is desirable, since snow depth and freeboard are relatively easy to obtain, whereas ice thickness can usually be obtained only by drilling through the ice. The model was compared with two other models. It was found that the variable density prediction model gave the best approximation to observed ice thickness, with a standard error between the measured and predicted value of about 0.4 m, compared with errors from 50 to 100% higher for the other two models.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 25 Seiten , Illustrationen
    Serie: CRREL Report 76-18
    URL: Abstract
    Sprache: Englisch
    Anmerkung: Contents Abstract Preface Summary Introduction Previous work Results Models for predicting thickness from ice freeboard Comparison between measured and predicted thicknesses Spectral behavior of measured and predicted profiles Comparisons of ice thickness using airborne laser profilometry Conclusions Literature cited Appendix A: Misgivings on isostatic imbalance as a mechanism for sea ice cracking
    Standort: AWI Archiv
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  • 32
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Radiometric survey between Scoresby Sund and Hold with Hope, central East Greenland (1976)
    Koebenhavn : Grønlands Geol. Undersøgelse
    Dazugehörige Bände
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    Signatur: ZSP-683-76
    In: Rapport = Report
    Beschreibung / Inhaltsverzeichnis: Airborne gamma-spectrometry and subsequent radiometric field investigations in central East Greenland have revealed a number of areas of above average radioactivity and a number of radioactive anomalies within these areas. These areas can be divided geologically into: pre-Caledonian crystalline basement, late and post-Caledonian plutonic rocks, Tertiary plutons and areas of intensive faulting and shearing. Areas bordering continental sedimentary formations are envisaged as potential host rocks for epigenetic uranium mineralization. The spectrometer system applied, with the detector volume of 3.7 litres, does not completely satisfy a quantitative evaluation of the spectrometric data recorded and a distinction between major rock units is only possible from the gross channel count rates.
    Materialart: Schriftenreihen ausleihbar
    Seiten: 44 S. : Ill., graph. Darst., Kt.
    Serie: The Geological Survey of Greenland : Report 76
    Sprache: Englisch
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  • 33
    Monographie ausleihbar
    Monographie ausleihbar
    Geochemical exploration methods for minerals deposits (1977)
    Wilmette : Applied Publishing Ltd.
    Details Verfügbarkeit
    Signatur: M 93.0018 ; M 93.0018
    Materialart: Monographie ausleihbar
    Seiten: X, 287 S. : Ill.
    ISBN: 0915834030
    Originaltitel: Geochimiceskie methody poiskov ...
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 34
    Monographie ausleihbar
    Monographie ausleihbar
    Nuclear methods in mineral exploration and production (1977)
    Amsterdam [u.a.] : Elsevier
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    Signatur: 9/M 93.0208/7
    In: Developments in economic geology
    Materialart: Monographie ausleihbar
    Seiten: XI, 280 S. : Ill., graph. Darst.
    ISBN: 044441567X
    Serie: Developments in economic geology 7
    Sprache: Englisch
    Standort: Lesesaal
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  • 35
    Monographie ausleihbar
    Monographie ausleihbar
    Physical methods in determinative mineralogy (1977)
    London [u.a.] : Acad. Press
    Details Verfügbarkeit
    Signatur: G 7746 ; M 93.0213
    Materialart: Monographie ausleihbar
    Seiten: XIV, 720 S. : Ill., graph. Darst.
    Ausgabe: 2. ed.
    ISBN: 0127829601
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 36
    Monographie ausleihbar
    Monographie ausleihbar
    Volcanic processes in ore genesis : proceedings of a joint meeting of the Volcanic Studies Group of the Geological Society of London and the Institution of Mining and Metallurgy, held in London on 21 and 22 January 1976 (1977)
    London : The Institiution of Mining and Metallurgy; The Geological Society
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: M 93.0242
    In: (DE-B103)41191, Special publications / the Geological Society, London
    Beschreibung / Inhaltsverzeichnis: Subsurface aspects of the ore-forming process can be described in terms of standard chemical transport parameters such as T-P gradients, mineral solubilities, solvent chemistry and volume, diffusion parameters and energy flow. These necessary factors are rather easily assessed by geochemical, isotopic and structural studies. If deposition is in the surface environment, a complex array of factors will determine the success of the natural concentration process and the chances of preservation of a deposit. Basically, most large-scale ore-forming processes involve large fluid volumes and energy sources. Many environments where these requirements are met, the modern ocean ridge and the subduction environment, are still not well understood. The need for remote-sensing techniques in the submarine environment is stressed.
    Materialart: Monographie ausleihbar
    Seiten: VI, 188 Seiten , Illustrationen
    ISBN: 0900488336
    Serie: Special publications / the Geological Society, London 7
    URL: https://doi.org/10.1144/GSL.SP.1977.007.01.01
    DOI: https://doi.org/10.1144/GSL.SP.1977.007.01.01
    Sprache: Englisch
    Anmerkung: Articles Introductory remarks on the transport problem W. S. Fyfe https://doi.org/10.1144/GSL.SP.1977.007.01.01 Model of hydrothermal ore genesis J. W. Elder https://doi.org/10.1144/GSL.SP.1977.007.01.02 Identification of ore-deposition environment from trace-element geochemistry of associated igneous host rocks J. A. Pearce and G. H. Gale https://doi.org/10.1144/GSL.SP.1977.007.01.03 Identification of the origin of oreforming solutions by the use of stable isotopes S. M. F. Sheppard https://doi.org/10.1144/GSL.SP.1977.007.01.04 Hydrogen and oxygen isotope evidence for sea-water-hydrothermal alteration and ore deposition, Troodos complex, Cyprus T. H. E. Heaton and S. M. F. Sheppard https://doi.org/10.1144/GSL.SP.1977.007.01.05 Hydrodynamic model for the origin of the ophiolitic cupriferous pyrite ore deposits of Cyprus E. T. C. Spooner https://doi.org/10.1144/GSL.SP.1977.007.01.06 Origin and emplacement of ophiolites I. G. Gass https://doi.org/10.1144/GSL.SP.1977.007.01.07 Hydrothermal alteration of the basaltic lavas of the Troodos Ophiolite Complex associated with the formation of the massive sulphide deposits G. Constantinou https://doi.org/10.1144/GSL.SP.1977.007.01.08 Rare-earth element evidence for the genesis of the metalliferous sediments of Troodos, Cyprus A. H. F. Robertson and A. J. Fleet https://doi.org/10.1144/GSL.SP.1977.007.01.09 Modern submarine hydrothermal mineralization: examples from Santorini and the Red Sea D. S. Cronan, P. A. Smith, and R. D. Bignell https://doi.org/10.1144/GSL.SP.1977.007.01.10 Mineralization at destructive plate boundaries: a brief review M. S. Garson and A. H. G. Mitchell https://doi.org/10.1144/GSL.SP.1977.007.01.11 Porphyry copper deposits J. P. Hunt https://doi.org/10.1144/GSL.SP.1977.007.01.12 Metallic mineralization affiliated to subaerial volcanism: a review R. H. Sillitoe https://doi.org/10.1144/GSL.SP.1977.007.01.13 Igneous geology and the evolution of hydrothermal systems in some sub-volcanic tin deposits of Bolivia J. N. Grant, C. Halls, W. Avila, and G. Avila https://doi.org/10.1144/GSL.SP.1977.007.01.14 Occurrence, origin and significance of mechanically transported sulphide ores at Buchans, Newfoundland J. G. Thurlow https://doi.org/10.1144/GSL.SP.1977.007.01.15 Geological setting of the Skorovas orebody within the allochthonous volcanic stratigraphy of the Gjersvik Nappe, central Norway C. Halls, A. Reinsbakken, I. Ferriday, A. Haugen, and A. Rankin https://doi.org/10.1144/GSL.SP.1977.007.01.16 The Planes-San Antonio pyritic deposit of Rio Tinto, Spain: its nature, environment and genesis D. Williams, R. L. Stanton, and F. Rambaud https://doi.org/10.1144/GSL.SP.1977.007.01.17 Kuroko deposits: their geology, geochemistry and origin Takeo Sato https://doi.org/10.1144/GSL.SP.1977.007.01.18 Stable isotope studies on Bougainville and in Matupi Harbour, New Britain, Papua New Guinea J. H. Ford, D. C. Green, J. R. Hulston, I. H. Crick, and S. M. F. Sheppard https://doi.org/10.1144/GSL.SP.1977.007.01.19 Volcanogenic mineralization at Avoca, Co. Wicklow, Ireland, and its regional implications J. W. Platt https://doi.org/10.1144/GSL.SP.1977.007.01.20 Discussion https://doi.org/10.1144/GSL.SP.1977.007.01.21
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  • 37
    Monographie ausleihbar
    Monographie ausleihbar
    Au, U, Fe, Mn, Hg, Sb, W, and P deposits; Vol. 7. (1976)
    Amsterdam [u.a.] : Elsevier
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    Details Verfügbarkeit
    Signatur: 11/M 93.0094/7
    In: Handbook of strata-bound and stratiform ore deposits ; part II
    Materialart: Monographie ausleihbar
    Seiten: xii, 656 S.
    ISBN: 044441407X
    Sprache: Englisch
    Standort: Lesesaal
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  • 38
    facet.materialart.
    Unbekannt
    Porphyry copper case study (1976)
    Milton Keynes : The Open University Press
    Details Verfügbarkeit
    Signatur: 93.0258
    Seiten: 80 S.
    Serie: The Open University. Science: A third level course. Earth schience topics and methods , S 333PC
    Sprache: Englisch
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  • 39
    Monographie ausleihbar
    Monographie ausleihbar
    Thermodynamics in geology : proceedings of the NATO Advanced Study Institute ; held in Oxford, England, September 17-27, 1976 (1977)
    Dordrecht [u.a.] : Reidel
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    Details Verfügbarkeit
    Signatur: G 7276 ; 4/M 93.0215
    In: NATO ASI series
    Materialart: Monographie ausleihbar
    Seiten: XII, 410 S. : graph. Darst.
    ISBN: 9027707944
    Serie: NATO ASI series : C, Mathematical and physical sciences 30
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Lesesaal
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  • 40
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Heat transfer over a vertical melting plate (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/32
    In: CRREL Report, 77-32
    Beschreibung / Inhaltsverzeichnis: An experimental study of forced convective heat transfer over a vertical melting plate has been conducted. This study covers water velocities ranging from 1.7 to 9.8 mm/s and bulk water temperatures from 1.11 to 7.50 C. The experimental results are correlated in terms of Nusselt, Prandtl and Reynolds numbers with a moderate correlation coefficient of 0.843. The results are expected to be useful in predicting the heat transfer characteristics of a much larger prototype ice-water heat sink.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 12 Seiten , Illustrationen
    Serie: CRREL Report 77-32
    URL: https://hdl.handle.net/11681/9426
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Nomenclature Summary Introduction Problem General review of the subject Experimental apparatus General considerations Water reservoir Test chamber assembly Pumping system Electrical control system Experimental procedure Experimental results Discussion and comparison of results Conclusions Literature cited
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  • 41
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Detection of moisture in construction materials (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/25
    In: CRREL Report, 77-25
    Beschreibung / Inhaltsverzeichnis: Results of a study to determine the feasibility of using an impulse radar to detect moisture variations in the built-up roof at CRREL and to monitor the curing of concrete are presented. The results indicate that impulse radar can be used to detect wide variations in roof moisture associated with built-up roof surface deterioration and that this technique has the potential of providing a nondestructive test method for measuring the strength of concrete during curing.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iv, 9 Seiten , Illustrationen
    Serie: CRREL Report 77-25
    URL: https://apps.dtic.mil/docs/citations/ADA045353
    URL: https://hdl.handle.net/11681/9498
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric units of measurement Introduction Impulse radar system Results and discussion Conclusions and recommendations Literature cited ILLUSTRATIONS Figure Relative locations where impulse radar measurements were made andsamples for moisture determinations were obtained on the CRREL roof Impulse radar signal reflected from metal sheet resting on roof Impulse radar signal reflection from roof at station A Impulse radar surface reflection coefficient versus moisture contentofroof Impulse radar signal reflection from aluminum foil on bottom of con-crete form and from aluminum sheet metal resting on top of form Unconfined compressive strength of concrete versus time Examples of X-Y plots of impulse radar signals obtained during thesounding of concrete slab Impulse radar signal reflection coefficients versus time for acuring concrete slab Calculated impulse radar signal attenuation in concrete slab versuselapsed time Dielectric constants versus time calculated from impulse radar signalInformation obtained during curing of concrete slab Unconfined compressive strength of concrete versus corrected reflec-tion coefficient calculated from impulse radar signal data obtainedduring the curing of concrete slab TABLES Comparison of roof moisture content with radar surface reflection coefficient and dielectric constant
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  • 42
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Observations of the ultraviolet spectral reflectance of snow (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/27
    In: CRREL Report, 77-27
    Beschreibung / Inhaltsverzeichnis: The spectral reflectance of natural snow in the range of 0.20- to about 0.40-micrometers wavelengths was studied in the laboratory using both continuous spectral scanning and fixed bandpass measurements. White barium sulfate pressed powder was used as a standard for comparison. The reflectance of fresh snow was found to be very high (usually nearly 100%) and only weakly wavelength dependent from 0.24 micrometers to the visible range. In the 0.20- to 0.24-micrometers portion of the spectrum, the reflectance was found to be quite erratic. Possible reasons for the irregularities in reflectance measurements are discussed.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 19 Seiten , Illustrationen
    Serie: CRREL Report 77-27
    URL: https://hdl.handle.net/11681/9499
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Introduction Experimental procedure Snow collection Spectrophotometric methods Data analysis Potential sources of error Presentation of results Continuous-scan measurements Comparison of sequential bandpass and continuous-scan measurements Theoretical calculations Discussion of results Differences in amplitude of reflectance measurements Irregularities in the shape of spectral reflectance curves The true spectral reflectance of snow in the ultraviolet region Conclusions Literature cited Appendix A. Absolute reflectance values of pressed BaSO4 powder
    Standort: AWI Archiv
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  • 43
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Collaboration of architect and behavioral scientist in research (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Details Verfügbarkeit
    Signatur: ZSP-201-77/23
    In: CRREL Report, 77-23
    Beschreibung / Inhaltsverzeichnis: This report discusses the relationship between an architect and a behavioral scientist. Some of the discussion applies to this cooperative work for design of buildings. The bulk, however, relates to the cooperation of architect and behavioral scientist while conducting research. Examples from collaborative research at Alaskan military installations are cited which demonstrate the roles and contributions of the two disciplines.
    Materialart: Schriftenreihen ausleihbar
    Seiten: 8 Seiten , Illustrationen
    Serie: CRREL Report 77-23
    URL: https://apps.dtic.mil/docs/citations/ADA045418
    Sprache: Englisch
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  • 44
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Mechanics of cutting and boring; Part VI: dynamics and energetics of transverse rotation machines (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/19
    In: CRREL Report, 77-19
    In: Mechanics of cutting and boring, Part VI
    Beschreibung / Inhaltsverzeichnis: Abstract: The report deals with forces and power levels in cutting machines having adisc or drum that rotates about an axis perpendicular to the direction of advance. The forces on individual cutting tools are related to position on the rotor and to characteristics such as tool layout, rotor speed, rotor size, machine advance speed, and rotor torque. Integration leads to expressions for force components acting on the rotor axis, taking into account tool characteristics, cutting depth of the rotor, and rotor torque. These provide estimates of tractive thrust and thrust normal to the primary free surface. For self-propelled machines, this leads to considerations of traction, normal reaction, weight and balance, and power/weight ratios. Specific energy consumption is analyzed and related to machine characteristics and strength ofthe material being cut. Power per unit working area is discussed, and data for existing machines are summarized. Power requirements for ejection ofcuttings are analyzed, and the hydrodynamic resistance on underwater cuttings is treated. A number of worked examples are given to illustrate the principles discussed in the report.
    Materialart: Schriftenreihen ausleihbar
    Seiten: vii, 36 Seiten , Illustrationen
    Serie: CRREL Report 77-19
    URL: https://hdl.handle.net/11681/9518
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Foreword Introduction Terminology Forces on individual cutters Torque force and tool force Forces on the rotor axis Tractive thrust and down thrust Alternative tool force formulations Vehicle traction Power/weight ratio Weight and balance Force, torque, speed and power Specific energy Efficiency and performance index Power density Power requirements for ejection of cuttings Hydrodynamic resistance in underwater cutting
    Standort: AWI Archiv
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  • 45
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Ice arching and the drift of pack ice through restricted channels (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/18
    In: CRREL Report, 77-18
    Beschreibung / Inhaltsverzeichnis: Abstract: Models originally developed to describe the arching and the movement of granular materials through hoppers or chutes are applied to the arching and drift of pack ice in straits and gulfs having lengths of 50 to 500 km. Verification of the usefulness of the models is attempted by making comparisons with ice deformation patterns as observed via satellite imagery in the Bering Strait region and in Amundsen Gulf. The results are encouraging in that there is good correspondence between observed arching and lead patterns and those predicted by theory. In addition, values determined via the model for the angle of internal friction (≈ 30° to 35°) and the cohesive strength per unit thickness (≈ 2000 N/m) are similar to values obtained by other approaches. It is estimated that if the wind velocity parallel to the Bering Strait exceeds ≈ 6 m/s, there will be ice flow through the strait.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iii, 11 Seiten , Illustrationen
    Serie: CRREL Report 77-18
    URL: https://hdl.handle.net/11681/9517
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Introduction Theory Limiting span of an arch Flow of pack ice through converging channels Stoppage of flow Applications St. Lawrence Amundsen Gulf Bering Strait Conclusion References
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  • 46
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Mechanics of cutting and boring; Part IV: dynamics and energetics of parallel motion tools (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/7
    In: CRREL Report, 77-7
    In: Mechanics of cutting and boring, IV
    Beschreibung / Inhaltsverzeichnis: The report deals with the cutting of rock and similar materials by parallel motion tools. It examines cutting forces and energy requirements, taking into consideration tool geometry, wear, operating conditions, and material properties. After an introductory discussion of terminology, some general principles are outlined, and relevant theoretical ideas on metal cutting and rock cutting are reviewed. The next section, which is the heart of the report, reviews experimental data on the magnitudes and directions of cutting forces. There is a graphical compilation of data, including some from obscure or unpublished sources. The variables covered include chipping depth, rake angle, relief angle, side rake, base angle, tool width, tool compliance, tool speed, tool wear, tool interactions, and material properties. The second major part of the report treats the energetics of cutting. It begins with a short discussion of relevant principles, and continues with a compilation and review of experimental data, covering the same independent variables as the force section. The report ends with a concise summary of general behavior for parallel motion tools.
    Materialart: Schriftenreihen ausleihbar
    Seiten: xi, 85 Seiten , Illustrationen
    Serie: CRREL Report 77-7
    URL: https://hdl.handle.net/11681/9485
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Foreword Introduction Terminology Principles of cutting Forces acting on a single cutter Theoretical Ideas on cutting Experimental data on cutting forces Effect of chipping depth on tool forces Effect of rake angle on tool forces Effect of relief angle on cutting forces Effect of side rake on tool forces Effect of base angle or face profile on tool forces Effect of rounding at the cutting edge Effect of tool width on cutting forces Tool compliance and force fluctuations Effect of tool speed on cutting forces Effect of rock properties on cutting forces Tool interaction and kerf spacing Effect of multiple pass cutting on tool forces Effect of tool wear on cutting forces Development of wear Energetics of cutting Energetics of parallel-motion tools Variation of specific energy with chipping depth for a single tool Effect of rake angle on specific energy Effect of relief angle on specific energy Effect of side rake on specific energy Effect of base angle or face profile on specific energy Effect of tip radius on specific energy Effect of tool width on specific energy Effect of tool speed on specific energy Variation of specific energy with rock properties Effect of kerf spacing on specific energy Effect of multiple pass cutting on specific energy Effect of tool wear on specific energy General summary Literature cited Appendix Α. Additional data for ice Appendix Β. Conversion factors: U.S. customary and metric units of measurement
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  • 47
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    The Arctic environment and the Arctic surface effect vehicle (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-76/1
    In: CRREL Report, 76-1
    Beschreibung / Inhaltsverzeichnis: This report summarizes the advances in understanding of the Arctic which have come about since the inception of the ARPA Arctic Surface Effect Vehicle Program in 1970, primarily as the result of CRREL’s participation. Major efforts to increase knowledge of sea ice, terrestrial, and coastal topographic features are described. Special empha­sis is placed upon the quantitative understanding of pressure ridging. Other areas of major interest are atmospheric characteristics and ecological effects. A list of publications generated is included.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iv, 28 Seiten , Illustrationen
    Serie: CRREL Report 76-1
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6018
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Introduction Sea ice characteristics Ridging intensity Arctic terrain characteristics databank Digital terrain maps Digital laser profiles Standard terrain tapes Mobility analysis Terrestrial and coastal characteristics Northern Alaska Interior Alaska Arctic USSR Northern Canada and Greenland Climatological characteristics General features Surface winds Temperatures Precipitation and visibility Electromagnetic/optical propagation Ecological effects of SEV operations SK-5 tests Simulated SEV tests Conclusions Literature cited Additional CRREL SEV Bibliography
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  • 48
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Survey of design criteria for harbors and channels in cold regions : an annotated bibliography (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
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    Signatur: ZSP-201-76/3
    In: CRREL Report, 76-3
    Beschreibung / Inhaltsverzeichnis: A world-wide review of the literature applicable to the design of harbors and channels in cold regions was conducted. Forces due to ice movement present the dominant factor in the design of marine structures in cold regions. Expressions for calculating the ice force are presented. Other factors relating to design criteria such as construction materials, structure geometry, and methods of ice suppression are discussed.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iii, 32 Seiten
    Serie: CRREL Report 76-3
    URL: https://apps.dtic.mil/docs/citations/ADA025225
    Sprache: Englisch
    Standort: AWI Archiv
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  • 49
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Water flow through veins in ice (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
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    Signatur: ZSP-201-76/6
    In: CRREL Report, 76-6
    Beschreibung / Inhaltsverzeichnis: Water flow through the vein structure of temperate ice is described as Darbian flow in which the pressure gradient is determined from vein size and overburden pressure. A solution method for the resulting equation is given and two special cases are considered. For steady flow the equilibrium vein size is a function of depth and, by neglecting the effects of diffusion, it is shown that flow perturbations introduced at the surface propagate downward at a constant speed.These perturbations propagate so slowly that even annual surface fluctuations of flow may be eliminated by diffusion before reaching the bottom of the glacie
    Materialart: Schriftenreihen ausleihbar
    Seiten: iii, 5 Seiten , Illustrationen
    Serie: CRREL Report 76-6
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6136
    Sprache: Englisch
    Standort: AWI Archiv
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  • 50
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Site access for a subarctic research effort (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/9
    In: CRREL Report, 76-9
    Beschreibung / Inhaltsverzeichnis: Access to study areas may be an important factor in long-term field-oriented research, particularly in-regions without well-developed road and communications systems. In a wildland hydrometeorology research project in subarctic Alaska, access to and within a 40-square-mile research watershed has been developed both in accordance with a general plan prepared at project inception and in response to developing research requirements. Foot trails, trails for 'off-road' low-ground-pressure tracked vehicles, helicopter transport, long-term data recorders, and radio telemetry of data have all been incorporated in an access and communications system. Cost estimates indicate that incorporation of gravel roads into the system would be economically advantageous, given adequate funding for initial road construction.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iv, 9 Seiten , Illustrationen
    Serie: CRREL Report 76-9
    URL: https://apps.dtic.mil/docs/citations/ADA026624
    Sprache: Englisch
    Anmerkung: Contents Abstract Preface Conversion factors for U.S. customary and SI units Introduction Access within the Caribou-Poker Creeks Research Watershed Trail access Helicopter access Road access Alternative approaches Long-term recorders Telemetry systems Remote sensing Relative costs A desirable system Selected bibliography
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  • 51
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Mechanics of cutting and boring; Part II: Kinematics of axial rotation machines (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-76/16
    In: CRREL Report, 76-16
    In: Mechanics of cutting and boring, (DE-B103)20210225152525
    Beschreibung / Inhaltsverzeichnis: This report, which is one of a series on the mechanics of cutting and boring in rock, deals with the kinematics of machines such as rotary drills, augers, tunnel boring machines, corers, and raise borers, in which the rotary cutting unit revolves about an axis that is parallel to the machine's direction of advance. The discussion and analysis cover the geometry and motion of various components of the cutting systems, including such topics as tool trajectories, tool speeds, motions of the more complicated mechanisms, chipping depth, penetration rates, production and clearance of cuttings, tool angles, and spatial distribution of cutters. Worked examples are given to illustrate the application of various equations to practical problems.
    Materialart: Schriftenreihen ausleihbar
    Seiten: ix, 45 Seiten , Illustrationen
    Serie: CRREL Report 76-16
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/5413
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Summary Foreword Terminology Trajectories of fixed tools Trajectories of roller cutters and indenters Speed of fixed cutting tools Speed of rolling disc cutters Speed and geometry of "wide" roller cutters Skidding rollers "Spiked" rollers Epicyclic or planetary mechanisms Chipping depth and penetration rate Chip production and cutting removal rate Balancing cutting and clearing rates in flight augers Tool relief angles - kinematic considerations Tool rake angles Distribution and spacing of cutting tools Radial tool spacing Angular tool spacing Spacing in the axial direction Literature cited
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  • 52
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Apparent anomaly in freezing of ordinary water (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/20
    In: CRREL Report, 76-20
    Beschreibung / Inhaltsverzeichnis: Under ordinary conditions the freezing of water begins with supercooling and ice nucleation, and proceeds at 0°C at the ice/water interface until ice formation stops. The presence of solutes, high pressure, or dispersal in fine pores causes the water to freeze at temperatures below 0°C (the so-called freezing point depression). Whenever freezing begins, it pro­ceeds at a constant temperature, or at a temperature which becomes progressively lower. A temperature rise during ice formation is considered here to be an anomaly. Under all equal circumstances, the conditions under which an anomal­ous freezing temperature is observable appear to be very special. This report describes two different experiments dis­playing the anomalous rise of temperature after nucleation and during ice formation. In one case the water was dispersed in the fine pores of fine powders; in the other case pure water was frozen in a transparent insulated cell. Photographic observations were made; relations of ice surface to water volume were measured.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iv, 23 Seiten , Illustrationen
    Serie: CRREL Report 76-20
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6198
    Sprache: Englisch
    Anmerkung: CONTENTS Page Abstract Preface Conversion factors for U.S.customary and SI units Introduction Materials, instruments, measurements Experiments with water freezing in fine pores Freezing experiments with bulk water Summary and conclusions Literature cited
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  • 53
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Heat transfer characteristics of melting and refreezing a drill hole through an ice shelf in Antarctica (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
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    Signatur: ZSP-201-76/12
    In: CRREL Report, 76-12
    Beschreibung / Inhaltsverzeichnis: The heat transfer processes associated with melting and refreezing a drill hole 500 m in depth and 0.150 m in initial radius through an ice shelf were approximately analyzed. The results were expressed in graphical form showing the time available for experimentation under the hole as a function of heating duration and heating strength. It was found that the refreezing of the drill hole had a much slower rate than the melting of the hole.
    Materialart: Schriftenreihen ausleihbar
    Seiten: vi, 15 Seiten , Illustrationen
    Serie: CRREL Report 76-12
    URL: https://apps.dtic.mil/docs/citations/ADA026368
    Sprache: Englisch
    Anmerkung: Contents Abstract Preface Summary Nomenclature Introduction Analysis Melting period Freezing period Calculation Conclusion Literature cited Appendix A: Justification of using eq 8 for the calculation of heat transfer coefficient h
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  • 54
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Winter thermal structure and ice conditions on Lake Champlain, Vermont (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/13
    In: CRREL Report, 76-13
    Beschreibung / Inhaltsverzeichnis: The thermal structure and ice conditions of Lake Champlain, a mid-latitude large lake, near Shelburne Point, Vermont, were studied during the winter of 1974-75. The lake was instrumented to a depth of 8.5 m with a string of highly calibrated thermistors, connected to a data logger on shore which recorded water temperatures every four hours. An ice mooring system was developed to anchor the thermistor string so that ice and water temperatures could be obtained at known levels. This temperature recording system measured vertical and horizontal variations in ice and water temperature regimes during ice formation, growth and decay. Meteorological data were measured during the winter period November 1974 through March 1975 at the site. Ice stratigraphy was determined for the ice at the site at its maximum seasonal growth for comparison with ice from St. Albans Bay (at the northern end of Lake Champlain) which had formed earlier. Correlations were determined between ice growth and accumulated degree days of freezing. The operation of a bubbler system installed near the measurement site around a service dock was observed.
    Materialart: Schriftenreihen ausleihbar
    Seiten: vii, 22 Seiten , Illustrationen
    Serie: CRREL Report 76-13
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/6133
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Summary Introduction Climate Site selection Instrumentation, measurements and calibration Installation of automatic water temperature recording system Visual observations and ice structure St. Albans Shelburne Analysis Temperature comparison Water temperature measuring system Changes in water temperature Wind Degree-days of freezing Prediction of ice formation Bubbler system Conclusions Recommendations Literature cited
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  • 55
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Mechanics of cutting and boring; Part III: Kinematics of continuous belt machines (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-76/17
    In: CRREL Report, 76-17
    In: Mechanics of cutting and boring, (DE-B103)20210225152525
    Beschreibung / Inhaltsverzeichnis: This report, which is one of a series on the mechanics of cutting and boring in rock, deals with the kinematics of machines which utilize a continuous belt as the cutting unit (e.g. coal saws, shale saws, digger-chain trenchers). The discussion and analysis cover the geometry and motion of various components of the cutting system, including such topics as chipping depth, production and conveyance of cuttings, tool trajectories, tool speeds, tool angles, and arrangement of cutting tools on the belt. Worked examples are included to illustrate the application of various equations to practical problems
    Materialart: Schriftenreihen ausleihbar
    Seiten: viii, 24 Seiten , Illustrationen
    Serie: CRREL Report 76-17
    URL: https://cdm16021.contentdm.oclc.org/digital/collection/p266001coll1/id/5414
    Sprache: Englisch
    Anmerkung: Contents Abstract Preface Summary Foreword Introduction Terminology Chipping depth Production and conveyance of cuttings Tool trajectories Tool speeds Tool relief angles — kinematic considerations Tool rake angles Belt curvature, slackness and flexibility Tool layout Longitudinal tool spacing Transverse tool spacing Cross-section profiles of the kerf Literature cited
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  • 56
    Monographie ausleihbar
    Monographie ausleihbar
    Vegetation of the Angmagssalik district Southeast Greenland 2 : herb and snow-bed vegetation (1976)
    København : Nyt Nordisk Forl.
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    Signatur: ZSP-553-198,2
    In: Meddelelser om Grønland
    Materialart: Monographie ausleihbar
    Seiten: 266 S.
    ISBN: 8717021200
    Serie: Meddelelser om Grønland 198,2
    Sprache: Englisch
    Standort: AWI Lesesaal
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  • 57
    Monographie ausleihbar
    Monographie ausleihbar
    Planning document : prepared at the MAP planning conference ; June 21-24, 1976, Urbana, Illinois, USA (1976)
    Urbana, Ill. : SCOSTEP
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    Signatur: ZSP-558
    In: Middle atmosphere program
    Materialart: Monographie ausleihbar
    Seiten: 97 S.
    Serie: Middle atmosphere program
    Sprache: Englisch
    Standort: AWI Lesesaal
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  • 58
    Monographie ausleihbar
    Monographie ausleihbar
    Chemistry and geothermal systems (1977)
    New York, NY [u.a.] : Acad. Press
    Details Verfügbarkeit
    Signatur: G 7495 ; G 7869 ; M 93.0158
    Materialart: Monographie ausleihbar
    Seiten: XI, 392 S. : Ill., graph. Darst.
    Serie: Energy science and engineering
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 59
    Monographie ausleihbar
    Monographie ausleihbar
    Israel meteorological research papers : in memory of Gideon Steinitz; Volume 1 (1977)
    Bet Dagan : Israel Meteorological Service
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    Signatur: MOP 40426 / Mitte
    In: Israel meteorological research papers
    Materialart: Monographie ausleihbar
    Seiten: ii, 175 Seiten , Illustrationen
    Serie: Israel meteorological research papers 1
    Sprache: Englisch
    Standort: MOP - Bitte bestellen
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  • 60
    Monographie ausleihbar
    Monographie ausleihbar
    Reefs and evaporites - concepts and depositional models (1977)
    Tulsa, Oklah. : American Association of Petroleum Geologists
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 9/M 93.0209
    In: AAPG studies in geology
    Materialart: Monographie ausleihbar
    Seiten: VII, 196 S. : graph. Darst.
    ISBN: 0891810099
    Serie: AAPG Studies in geology 5
    Sprache: Englisch
    Standort: Lesesaal
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  • 61
    Monographie ausleihbar
    Monographie ausleihbar
    Cu, Zn, Pb, and Ag deposits; Vol. 6. (1976)
    Amsterdam _[u.a.]_ : Elsevier
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 11/M 93.0094/6
    In: Handbook of strata-bound and stratiform ore deposits ; part II
    Materialart: Monographie ausleihbar
    Seiten: XVI, 585 S.
    ISBN: 0444414061
    Sprache: Englisch
    Standort: Lesesaal
    Zweigbibliothek: GFZ Bibliothek
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  • 62
    Monographie ausleihbar
    Monographie ausleihbar
    Supergene and surficial ore deposits : textures and fabrics; Vol. 3. (1976)
    Amsterdam [u.a.] : Elsevier
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 11/MR 90.0990 ; M 93.0094/3
    In: Handbook of strata-bound and stratiform ore deposits ; part I
    Materialart: Monographie ausleihbar
    Seiten: XI, 353 S.
    ISBN: 0444414037
    Sprache: Englisch
    Standort: Lesesaal
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 63
    Monographie ausleihbar
    Monographie ausleihbar
    Classifications and historical studies; Vol. 1. (1976)
    Amsterdam [u.a.] : Elsevier
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 11/MR 90.0988 ; M 93.0094/1
    In: Handbook of strata-bound and stratiform ore deposits ; part I
    Materialart: Monographie ausleihbar
    Seiten: X, 338 S.
    ISBN: 0444414010
    Sprache: Englisch
    Standort: Lesesaal
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
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  • 64
    Monographie ausleihbar
    Monographie ausleihbar
    Geochemical studies; Vol. 2. (1976)
    Amsterdam [u.a.] : Elsevier
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 11/MR 90.0989 ; M 93.0094/2
    In: Handbook of strata-bound and stratiform ore deposits ; part I
    Materialart: Monographie ausleihbar
    Seiten: XI, 363 S.
    ISBN: 0444414029
    Sprache: Englisch
    Standort: Lesesaal
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
    Zweigbibliothek: GFZ Bibliothek
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  • 65
    Monographie ausleihbar
    Monographie ausleihbar
    Metallization associated with acid magmatism; Vol. 2. (1977)
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 11443 ; M 93.0232/2
    In: Metallization associated with acid magmatism
    Materialart: Monographie ausleihbar
    Seiten: 166 S. : graph. Darst.
    Sprache: Englisch
    Standort: Kompaktmagazin oben
    Standort: Kompaktmagazin oben
    Zweigbibliothek: GFZ Bibliothek
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  • 66
    Monographie ausleihbar
    Monographie ausleihbar
    Marine optics (1976)
    Amsterdam [u.a.] : Elsevier
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: 13/M 97.0131
    In: Elsevier oceanography series
    Materialart: Monographie ausleihbar
    Seiten: XIII, 231 S.
    ISBN: 0444414908
    Serie: Elsevier oceanography series 14
    Klassifikation:
    Ozeanographie
    Sprache: Englisch
    Standort: Lesesaal
    Zweigbibliothek: GFZ Bibliothek
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  • 67
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Roof loads resulting from rain-on-snow (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/12
    In: CRREL Report, 77-12
    Beschreibung / Inhaltsverzeichnis: A computer program to calculate the increased live load on a snow-covered roof due to rain-on-snow is given. For the 25-year rainstorm falling on a heavy snow load on a flat roof in Hanover, New Hamsphire, and additional 98 kg/m2 (20 lb/ft2) of liquid water is added to the live load. The additional load due to rain-on-snow is very sensitive to the snow properties and characteristics of the roof. A wide range of live loads is possible, depending on the particular circumstances.
    Materialart: Schriftenreihen ausleihbar
    Seiten: vii, 19 Seiten , Illustrationen
    Serie: CRREL Report 77-12
    URL: https://hdl.handle.net/11681/9511
    Sprache: Englisch
    Anmerkung: CONTENTS Page Abstract Preface Summary Nomenclature Introduction Water movement through snow Vertical percolation Lateral flow Flat roofs Sloping roofs Rainfall intensity-duration effects Miscellaneous effects Radial flow to drains Flow along gutters on snow-covered roofs Snow structure Basal layer Conclusion Literature citied Appendix A. Computer program calculating roof loads from rain-on-snow
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  • 68
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Ice breakup on the Chena River 1975 and 1976 (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/14
    In: CRREL Report, 77-14
    Beschreibung / Inhaltsverzeichnis: The breakup of the Chena River was observed and documented during the spring of 1975 and 1976. This study attempted to determine the potential for damage to the proposed Chena River flood control dam from ice and debris during breakup. Results of this study were compared to those of a 1974 companion study. In 1975, ice thickness were determined to be 15% thinner than in 1974 and ice volume was 33% smaller. No major ice floes were observed in 1975 and no significant flooding occurred, although the approaches to a bridge at the damsite were eroded by debris and high water immediately after breakup. The 1976 breakup was milder than that of 1975. Minor flooding in the lower river was caused by jamming of a few large ice pieces, but no property damage resulted.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 44 Seiten , Illustrationen
    Serie: CRREL Report 77-14
    URL: https://hdl.handle.net/11681/9513
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Summary Introduction Ice thickness and quantity Chronology of the 1975 Chena River breakup Checkpoint 3 Checkpoint 4 Checkpoint 5 Checkpoint 6 Checkpoint A Checkpoint 7 Checkpoint C Checkpoint D Checkpoint 8 Checkpoint 10 Checkpoint 11 Checkpoint 12 Spring flooding and debris The 1976 Chena River breakup Breakup in other years Summary and conclusions Appendix A. Sequential photographs of 1975 breakup at checkpoints 3-12
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  • 69
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Experimental scaling study of an annular flow ice-water heat sink (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/15
    In: CRREL Report, 77-15
    Beschreibung / Inhaltsverzeichnis: A laboratory experimental study was conducted on a scale model of an annular flow ice-water heat sink to be used to store the waste heat produced in a hardened defense installation operating in an isolated mode. The study ex­amined: 1) scaling relationships for predicting the performance of prototype units using data from scale models, 2) the accuracy of a computer prediction technique developed during an earlier study, 3) the heat transfer phenom­enon at the ice-water interface, and 4) some practical aspects related to the operation of a prototype installation. The scaling relationships and the computer program were found to be sufficiently accurate for use in developing a proto­type sink design. During operation the scale model sink provided an almost constant low temperature source of coolant water for approximately one-half its useful life and thereafter behaved like an ordinary stored water reservoir type heat sink. No significant operational problems were discovered.
    Materialart: Schriftenreihen ausleihbar
    Seiten: vii, 54 Seiten , Illustrationen
    Serie: CRREL Report 77-15
    URL: https://hdl.handle.net/11681/9514
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Nomenclature Conversion factors: U.S. customary to metric units of measurement Introduction Description of experiment Apparatus Test procedure Experimental results Summary of experimental tests Influence of coolant water flow rates Approximation of the rate of melting Comparison of experimental and computed results Comparative analysis of the model sinks Approximation of the heat transfer coefficient Conclusions and recommendations Literature cited Appendix A. Experimental data, heat sink Model II Appendix B. Heat sink scaling and similarity relationships Appendix C. Derivation of the relationships for the heat transfer coefficient, Reynolds and Nusselt numbers Appendix D. Determination of freezing rates and refrigeration loads Appendix E. Approximation of stresses in the heat sink tank
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  • 70
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Observation and analysis of protected membrane roofing system (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-77/11
    In: CRREL Report, 77-11
    Beschreibung / Inhaltsverzeichnis: Two performance indicators, effectiveness and thermal efficiency, are defined and used to evaluate the year-round performance of three protected membrane roofs in Alaska and New Hampshire. Effectiveness is a measure of the deviations of ceiling temperatures from a yearly average, with large diviations indicating erratic performance in the roofing-insulation system and small departures indicating a thermally stable system. Thermal efficiency, the ratio of calculated heat loss to measured heat loss, is affected by climatic conditions such as rain, snow, solar radiation and wind. Thermal efficiency values of 100% or greater are possible since the calculated heat loss is based only on the inside and outside air temperature differences and the thermal properties of the roof components. Results of the year-round evaluation indicate that the three protected membrane roofs generally have high values of both effectiveness and thermal efficiency.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 40 Seiten , Illustrationen
    Serie: CRREL Report 77-11
    URL: https://hdl.handle.net/11681/9506
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Conversion factors: U.S.customary to metric (SI) units of measurement Introduction Location of test sites Fairbanks Anchorage Hanover, N.H. Test program Instrumentation Effectiveness Therma lefficiency Heat balance within the roof Comparisons with conventional systems Conclusions Effectiveness of the test roof Thermal efficiency Heat balance within the roof Applicability Recommendations Literature cited Appendix A. Temperature and heat flow measurements, Anchorage and Fairbanks, Alaska, and Hanover, New Hampshire Appendix B. Thermal efficiencies of the test roof, Anchorage and Fairbanks, Alaska, and Hanover, New Hampshire Appendix C. January 1973 and August 1972 comparisons of protected membrane and conventional built-up membrane systems at Hanover, New Hampshire
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  • 71
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Ice forces on vertical piles (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/10
    In: CRREL Report, 77-10
    Beschreibung / Inhaltsverzeichnis: Abstract: The amount of force that an ice sheet can apply to a vertical pile was tested by lowering a hydraulic ram device into a hole cut in an existing ice sheet. The device had a large base and shoved a relatively narrow vertical pile in a horizontal direction. Test variables were: pile widths - 1.5 in. to 36.7 in.; pile shapes - flat, round, 45 ° and 90° wedges; ice thickness - 2.6 in. to 8.8 in.; and ram speed - 0.07 in./sec to 18.75 in./sec; but not all shapes and sizes were tested at all speeds. Air temperature was 20 ° F (-6.7 ° C). Forces and displacements were measured electronically. The findings are presented as a table of test results and as bar graphs of the resultant ice pressures versus the pile width-to-ice-thickness ratio, pile width and shape combination and pile velocity. The types of failures in the ice sheet were classified as crushing, splitting, buckling, bending, and creeping. The ice sheet generally withstood a high initial load followed by several lower peak load levels. The maximum ice pressure measured was 610 psi for a 12.6-in.-diam round pile in 8.4-in.-thick ice.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iv, 9 Seiten , Illustrationen
    Serie: CRREL Report 77-10
    URL: https://hdl.handle.net/11681/9505
    Sprache: Englisch
    Standort: AWI Archiv
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  • 72
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    The internal structure of fast ice near Narwhal Island, Beaufort Sea, Alaska (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/29
    In: CRREL Report, 77-29
    Beschreibung / Inhaltsverzeichnis: Results of measurements of salinity, grain size, substructure dimensions and crystal fabrics of the undeformed 2.15-m-thick annual sea ice sheet near Narwhal Island, Alaska, are presented. A notable observation was the formation of a dominant c-axis horizontal structure in all ice below 14 cm, including transformation to a pronounced east-west alignment of the c-axes by a depth of 66 cm. This study confirms earlier reports of the occurrence of very strong horizontal c-axis alignments in arctic fast ice.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iii, 8 Seiten , Illustrationen
    Serie: CRREL Report 77-29
    URL: https://hdl.handle.net/11681/9500
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Introduction Sampling and analytical procedures Results Discussion Conclusions Literature cited
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  • 73
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Intermittent ice forces acting on inclined wedges (1977)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Signatur: ZSP-201-77/26
    In: CRREL Report, 77-26
    Beschreibung / Inhaltsverzeichnis: A theory for ice forces acting on inclined wedges has been developed, thus making it possible to predict the magnitude of the intermittent ice forces from knowledge of the physical parameters of the system. The theory has been verified by model tests with artificial and natural ice.
    Materialart: Schriftenreihen ausleihbar
    Seiten: viii, 26 Seiten , Illustrationen
    Serie: CRREL Report 77-26
    URL: https://hdl.handle.net/11681/9497
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface List of symbols Summary Introduction Recent ice research in Denmark General Structures with vertical faces Wedges with inclined faces Recording of the strength of natural ice Artificial ice — properties and manufacture General Composition of material Order of mixing ingredients Rupture theory Theoretical approach Initial contact Forces acting on wedge Maximum force and actual force Principal stress equations 8Dynamic equations Intermittent nature of force Theoretical curve Verifiction of theory by model tests Description Width of rupture channel Plotting of results Engineering application Comparison with Korahavin’s results Recommendations for future research References Appendix A
    Standort: AWI Archiv
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  • 74
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    The prediction of unfrozen water contents in frozen soils from liquid limit determinations (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/8
    In: CRREL Report, 76-8
    Beschreibung / Inhaltsverzeichnis: During the past decade a number of methods for measuring the amount of unfrozen water in partially frozen ground have emerged. Means of quickly and simply predicting unfrozen water contents in clay have become increasingly important with the growth of interest in encapsulating clay soils compacted at low water contents to serve as base courses for roads. Unfortunately the measurements require sophisticated equipment and, in most instances, specially trained operators. In an effort to simplify the task of obtaining water-ice phase composition data, methods of calculating phase composition curves from other, simpler measurements on soils have been sought. The paper presents a method of deriving the measurement of unfrozen water contents at various temperatures from liquid limit determinations.
    Materialart: Schriftenreihen ausleihbar
    Seiten: iv, 9 Seiten , Illustrationen
    Serie: CRREL Report 76-8
    URL: https://apps.dtic.mil/docs/citations/ADA026632
    Sprache: Englisch
    Standort: AWI Archiv
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  • 75
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Study of piles installed in polar snow (1976)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-201-76/23
    In: CRREL Report, 76-23
    Beschreibung / Inhaltsverzeichnis: This report describes the study of piles tested in polar snow at Camp Century, Greenland. More than 20 piles of various lengths and sizes were driven, including timber, closed-end and open-end steel pipe piles, and I- and H-piles. The H-piles were instrumented with strain gages. In addition to the driven piles, two purely end-bearing piles were installed in augered holes and five piles were frozen in place using a snow-water slurry. Driving records were obtained and are discussed. Analysis of the driving response of various piles revealed that the Hiley formula, and presumably other similar pile driving formulas, cannot be used to predict the ultimate supporting capacity of piles driven in snow. Factors such as pile inertia, rigidity, size, and tip resistance are discussed in relation to their apparent influence upon pile penetration. Pile load test procedures are described and test results are discussed. It was found that closed-end pipe piles are decidedly inferior to open-end pipe piles in their load-carrying capability and their ultimate supporting capacity. Although pile settlement was found to be dependent upon such variables as pipe load, time, pile shape, and snow temperature, precise effects of these variables were not determined. Nevertheless, the capability of open-end piles to carry quite heavy loads was demonstrated and a procedure is presented for testing these piles in snow.
    Materialart: Schriftenreihen ausleihbar
    Seiten: ix, 132 Seiten , Illustrationen
    Serie: CRREL Report 76-23
    URL: https://apps.dtic.mil/docs/citations/ADA029191
    Sprache: Englisch
    Anmerkung: Contents Abstract Preface Introduction Test site Pile driving equipment Test instrumentation Testing procedures Pile driving data Pile type vs driving resistance Closed-end vs open-end piles Calculated bearing capacity of pile Effect of pile driving on the embedment medium Pile inclination Slurried-in-place piles Pile load test data Strain gage instrumentation and results Pile excavation Discussion and conclusions Literature cited Appendix A: Theoretical elastic deflection of piles supported by skin friction Appendix B: Trench floor arching study
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  • 76
    Monographie ausleihbar
    Monographie ausleihbar
    Webster's third new international dictionary of the English language unabridged : utilizing all the experience and resources of more than one hundred years of Merriam-Webster dictionaries (1976)
    Springfield : Merriam
    Details Verfügbarkeit
    Signatur: AWI S5-82-0002
    Materialart: Monographie ausleihbar
    Seiten: 86a, 2662 S.
    Sprache: Englisch
    Zweigbibliothek: AWI Bibliothek
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  • 77
    Monographie ausleihbar
    Monographie ausleihbar
    Geological investigations in East Greenland, Part XI : the minor peripheral intrusions, Kangerdlugssuaq, East Greenland (1976)
    København : Nyt Nordisk Forl.
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: ZSP-553-197,4
    In: Meddelelser om Grønland
    Materialart: Monographie ausleihbar
    Seiten: 25 S.
    ISBN: 8717022185
    Serie: Meddelelser om Grønland 197,4
    Sprache: Englisch
    Standort: AWI Lesesaal
    Zweigbibliothek: AWI Bibliothek
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  • 78
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Geology of northern Contwoyto Lake area, District of Mackenzie (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0009(381)
    In: Memoir
    Materialart: Schriftenreihen ausleihbar
    Seiten: 56 S. + 1 pl.
    Serie: Memoir / Geological Survey of Canada 381
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 79
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Biostratigraphic determinations from the subsurface of the Districts of Franklin and Mackenzie and the Yukon Territory (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(75-10)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: VI, 18 S.
    Serie: Paper / Geological Survey of Canada 75-10
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 80
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Terrain inventory and Quaternary geology Ashcroft, British Columbia (92-I NW) (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(74-49)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 17 S. + 1 pl.
    Serie: Paper / Geological Survey of Canada 74-49
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 81
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    The early Ordovician trilobite genus Missisquoia Shaw 1951 in the southern Canadian Rocky Mountains of Alberta and British Columbia (1977)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(76-33)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 7 S.
    ISBN: 0660008335
    Serie: Paper / Geological Survey of Canada 76-33
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 82
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Report of activities; [1977]Pt. A. (1977)
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(77-1A)
    In: Report of activities
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: VIII, 527 S.
    Serie: 77-1A
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 83
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Geological studies and evaluation of MacDougall Core Hole 1A, western Prince Edward Island (1977)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(77-20)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 26 S. + 2 pl.
    ISBN: 0660008432
    Serie: Paper / Geological Survey of Canada 77-20
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 84
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Landforms and surface materials at selected sites in a part of the Shield - north-central Manitoba (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(75-19)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 41 S. + 1 pl.
    Serie: Paper / Geological Survey of Canada 75-19
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 85
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    The hydrogeochemistry of the Keno Hill area, Yukon Territory (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(75-14)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 22 S. + 5 pl.
    Serie: Paper / Geological Survey of Canada 75-14
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 86
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Porcupine River Formation : a new Upper Jurassic sandstone unit, northern Yukon Territory (1977)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(76-27)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: VI, 43 S. + 1 pl.
    ISBN: 0660008297
    Serie: Paper / Geological Survey of Canada 76-27
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 87
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    The Triassic Takla Group in McConnell Creek map-area, north-central British Columbia (1977)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(76-29)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 45 S. + 4 pl.
    ISBN: 0660008300
    Serie: Paper / Geological Survey of Canada 76-29
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 88
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Index to publications 1975 (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(76-3)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 30 S.
    Serie: Paper / Geological Survey of Canada 76-3
    Sprache: Unbestimmte Sprache
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 89
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Aspects of the Geosciences in Canada - 1975 (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(76-6)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 39 S.
    Serie: Paper / Geological Survey of Canada 76-6
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 90
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Geological Survey of Canada radiocarbon dates XVI (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(76-7)
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 21 S.
    ISBN: 0660008173
    Serie: Paper / Geological Survey of Canada 76-7
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 91
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Report of activities; [1976]Pt. C. (1976)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0008(76-1C)
    In: Report of activities
    In: Paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: VI, 334 S.
    ISBN: 0660005603
    Serie: 76-1C
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 92
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Geology of King Christian Island, District of Franklin (1977)
    Ottawa : Geological Survey of Canada
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.000(386)
    In: Memoir
    Materialart: Schriftenreihen ausleihbar
    Seiten: 28 S. + 2 pl.
    ISBN: 0660008351
    Serie: Memoir / Geological Survey of Canada 386
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 93
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Gardiner intrusion, an ultramafic complex at Kangerdlugssuaq, East Greenland (1977)
    Koebenhavn
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0018(122)
    In: Bulletin
    Materialart: Schriftenreihen ausleihbar
    Seiten: 62 S. + 1 Kt.-Beil., 1 Beil.
    Serie: Bulletin / Groenlands Geologiske Undersoegelse 122
    Sprache: Englisch
    Standort: Kompaktmagazin unten
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  • 94
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Ryukyu Island (Nansei-Shoto) Arc GH 75-1 and GH 75-5 cruises January-February and July-August 1975 (1976)
    Kawasaki
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0017(6)
    In: Cruise report
    Materialart: Schriftenreihen ausleihbar
    Seiten: 81 S.
    Serie: Cruise report / Geological Survey of Japan 6
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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  • 95
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    The occurrence of reworked miospores in a Westphalian C microflora from South Limburg (the Netherlands) and its bearing on paleogeography (1976)
    Haarlem
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 91.1609(27/1)
    In: Mededelingen
    Materialart: Schriftenreihen ausleihbar
    Seiten: 39 S.
    Serie: Mededelingen / Rijks Geologische Dienst N.S., vol.27, no.1
    Sprache: Englisch
    Standort: Kompaktmagazin unten
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  • 96
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Dinantian Rocks in the subsurface North of the Brabant and Ardenno- Rhenish massifs in Belgium, the Netherlands and the Federal Republic of Germany (1976)
    Haarlem
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 91.1609(27/3)
    In: Mededelingen
    Materialart: Schriftenreihen ausleihbar
    Seiten: S. 82-195 + 1 Kt.-Beil., 2 Beil.
    Serie: Mededelingen / Rijks Geologische Dienst N.S., vol.27, no.3
    Sprache: Englisch
    Standort: Kompaktmagazin unten
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  • 97
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    A descriptive and "intuitive" thin-section analysis of Pleistocene sands of the Netherlands near Hattem (1977)
    Haarlem
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 91.1609(28/6)
    In: Mededelingen
    Materialart: Schriftenreihen ausleihbar
    Seiten: S. 150-163 + 1 Beil.
    Serie: Mededelingen / Rijks Geologische Dienst N.S., vol.28, no.6
    Sprache: Englisch
    Standort: Kompaktmagazin unten
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  • 98
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Volcanic geology of native iron bearing rocks from west Disko, central West Greenland (1977)
    Koebenhavn
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 91.1660(81)
    In: Rapport = Report
    Materialart: Schriftenreihen ausleihbar
    Seiten: 67 S. + 2 Beil.
    Serie: Rapport / Groenlands Geologiske Undersoegelse 81
    Sprache: Englisch
    Standort: Kompaktmagazin unten
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  • 99
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Rodent stratigraphy of some Miocene fissure fillings in Gargano (prov. Foggia, Italy) (1976)
    Leiden : Rijksmuseum van Geologie en Mineralogie
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 93.0422(37)
    In: Scripta geologica
    Materialart: Schriftenreihen ausleihbar
    Seiten: 23 S.
    Serie: Scripta geologica 37
    Sprache: Englisch
    Standort: Kompaktmagazin unten
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  • 100
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Izu-Ogasawara (Bonin) Arc and Trench investigations June and October-November 1974 GH 74-3 and -6 cruises (1976)
    Kawasaki
    Dazugehörige Bände
    Details Verfügbarkeit
    Signatur: SR 90.0017(5)
    In: Cruise report
    Materialart: Schriftenreihen ausleihbar
    Seiten: 68 S.
    Serie: Cruise report / Geological Survey of Japan 5
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
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