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  • 1
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    Unbekannt
    In:  Geophys. Res. Lett., San Francisco, Schweizerbart'sche Verlagsbuchhandlung, vol. 20, no. 6, pp. 1847-1850, pp. L14306, (ISSN 0016-8548, ISBN 3-510-50045-8)
    Publikationsdatum: 1993
    Schlagwort(e): Plate tectonics ; Dynamic ; CRUST ; Geol. aspects ; GRL
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    In:  Eos Trans. AGU, San Francisco, Schweizerbart'sche Verlagsbuchhandlung, vol. 82, no. 21, pp. 233, 236, pp. L14306, (ISSN 0016-8548, ISBN 3-510-50045-8)
    Publikationsdatum: 2001
    Schlagwort(e): Geothermics ; triggering ; Volcanology ; Seismicity ; 8424 ; Volcanology ; Hydrothermal ; systems ; (8135) ; 8135 ; Tectonophysics ; Hydrothermal ; systems ; (8424) ; 7220 ; Seismology ; Oceanic ; crust
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    In:  J. Geophys. Res., Heidelberg, 1, vol. 87, no. B4, pp. 6359-6362, pp. B01401, (ISBN: 0534351875, 2nd edition)
    Publikationsdatum: 1982
    Schlagwort(e): Borehole geophys. ; scientific drilling ; Project report/description ; Review article ; JGR
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    In:  J. Geophys. Res., Leipzig, Birkhäuser Verlag, vol. 93, no. 1-4, pp. 10421-10437, pp. 2366, (ISBN: 0-12-018847-3)
    Publikationsdatum: 1988
    Schlagwort(e): Geol. aspects ; Inelastic ; Plate tectonics ; Tectonics ; Fault zone ; JGR
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-05-25
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dziak, Robert P -- Johnson, H Paul -- New York, N.Y. -- Science. 2002 May 24;296(5572):1406-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12029115" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Bacterial Physiological Phenomena ; *Disasters ; *Ecosystem ; Geologic Sediments/microbiology ; Hydrostatic Pressure ; Pacific Ocean ; Photosynthesis ; Pressure ; *Seawater ; Temperature ; Time Factors ; Water Movements
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Publikationsdatum: 2003-01-04
    Beschreibung: Little is known about the potential for life in the vast, low-temperature (〈100 degrees C) reservoir of fluids within mid-ocean ridge flank and ocean basin crust. Recently, an overpressured 300-meter-deep borehole was fitted with an experimental seal (CORK) delivering crustal fluids to the sea floor for discrete and large-volume sampling and characterization. Results demonstrate that the 65 degrees C fluids from 3.5-million-year-old ocean crust support microbial growth. Ribosomal RNA gene sequence data indicate the presence of diverse Bacteria and Archaea, including gene clones of varying degrees of relatedness to known nitrate reducers (with ammonia production), thermophilic sulfate reducers, and thermophilic fermentative heterotrophs, all consistent with fluid chemistry.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cowen, James P -- Giovannoni, Stephen J -- Kenig, Fabien -- Johnson, H Paul -- Butterfield, David -- Rappe, Michael S -- Hutnak, Michael -- Lam, Phyllis -- New York, N.Y. -- Science. 2003 Jan 3;299(5603):120-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oceanography, School of Ocean and Earth Science and Technology, University of Hawaii, Honolulu, HI 96822, USA. jcowen@soest.hawaii.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12511653" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Ammonia/analysis/metabolism ; Archaea/cytology/*genetics/isolation & purification/physiology ; Bacteria/cytology/*growth & development/isolation & purification/metabolism ; Bacterial Physiological Phenomena ; Carboxylic Acids/metabolism ; Electrons ; Fermentation ; Genes, rRNA ; Geologic Sediments/*microbiology ; Hydrocarbons/metabolism ; Hydrogen/metabolism ; Hydrogen Sulfide/analysis/metabolism ; Nitrates/analysis/metabolism ; Nitrogen Fixation ; Oxidation-Reduction ; Pacific Ocean ; Phylogeny ; Seawater/chemistry/*microbiology ; Sulfates/analysis/metabolism ; Temperature
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 20 (1984), S. 0 
    ISSN: 1752-1688
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Architektur, Bauingenieurwesen, Vermessung , Geographie
    Notizen: Results of a field survey designed to assess the extent of crop production losses due to inadequate drainage in a large watershed of Iowa is presented. Information on the current status of drainage of the watershed, located in the Des Moines River basin, was collected through personal interviews with 256 farmers from 60 legal drainage districts. The results of the survey indicate that 95 percent of the area in upper Des Moines River basin has inadequate district mains or main outlet drains currently having a design capacity of ≤ 0.64 cm/day drainage coefficient. Outlet capacity of 1.27 cm/day d.c. would be required for full production. Inadequate drainage in the watershed is currently responsible for crop yield reduction equal to about one-third of the maximum yield potential for average weather conditions.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 20 (1984), S. 0 
    ISSN: 1752-1688
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Architektur, Bauingenieurwesen, Vermessung , Geographie
    Notizen: A sensitivity analysis of a computer model, simulating major water and nitrogen processes of a soil-water-plant-climatic system on an annual basis, was conducted to determine how the model reacts to the variations in selected hydrologic and nitrogen parameters. Two major output variables (namely, total subsurface drain volume and cumulative nitrate loss with subsurface drain water) were selected for the sensitivity analysis. Model sensitivity analysis shows that the model is most sensitive to hydrologic parameters. The model is very sensitive to variations in the initial water content in the soil profile.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 257 (1975), S. 471-473 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 The Nazca Plate showing DSDP sites 319, 320, 321 and 157. The total penetration of basement rocks at three sites was 105 m, of which only 15m were recovered for study. A total of 35 basalt and 32 sediment samples (vertically oriented) was taken from the leg 34 drill sites. In addition, we ...
    Materialart: Digitale Medien
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  • 10
    ISSN: 1573-0581
    Schlagwort(e): plate tectonics ; seafloor spreading ; rift propagation ; rift failure ; lithospheric transfer ; magmatic differentiation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie , Physik
    Notizen: Abstract ALVIN investigations have defined the fine-scale structural and volcanic patterns produced by active rift and spreading center propagation and failure near 95.5° W on the Galapagos spreading center. Behind the initial lithospheric rifting, which is propagating nearly due west at about 50 km m.y.−1, a triangular block of preexisting lithosphere is being stretched and fractured, with some recent volcanism along curving fissures. A well-organized seafloor spreading center, an extensively faulted and fissured volcanic ridge, develops ~ 10 km (~ 200,000 years) behind the tectonic rift tip. Regional variations in the chemical compositions of the youngest lavas collected during this program contrast with those encompassing the entire 3 m.y. of propagation history for this region. A maximum in degree of magmatic differentiation occurs about 9 km behind the propagating rift tip, in a region of diffuse rifting. The propagating spreading center shows a gentle gradient in magmatic differentiation culminating at the SW-curving spreading center tip. Except for the doomed rift, which is in a constructional phase, tectonic activity also dominates over volcanic activity along the failing spreading system. In contrast to the propagating rift, failing rift lavas show a highly restricted range of compositions consistent with derivation from a declining upwelling zone accompanying rift failure. The lithosphere transferred from the Cocos to the Nazca plate by this propagator is extensively faulted and characterized by ubiquitous talus in one of the most tectonically disrupted areas of seafloor known. The pseudofault scarps, where the preexisting lithosphere was rifted apart, appear to include both normal and propagator lavas and are thus more lithologically complex than previously thought. Biological communities, probably vestimentiferan tubeworms, occur near the top of the outer pseudofault scarp, although no hydrothermal venting was observed.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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