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Now showing items 12897-12916 of 39126
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(2004)A global carbon-cycle box model forced by an ocean-general circulation model (OGCM) is used to investigate how different sea-surface reconstructions for the northern North Atlantic Ocean (Nordic Seas) for the Last Glacial ...
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(2002)Long-term carbon cycle models and independent proxies indicate that the atmospheric CO2 concentration was substantially higher in the Mesozoic and early Tertiary than now. The responses of tree growth to a high CO2 environment ...
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(PANGAEA, 2014-09-03)The Arctic Ocean is a bellwether for ocean acidification, yet few direct Arctic studies have been carried out and limited observations exist, especially in winter. We present unique under-ice physicochemical data showing ...
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(2004)Clay-modified electrodes (CLMEs) have received attention in the development of electrochemical sensors and biosensors. This article reviews the use of CLME for these electroanalytical purposes. It includes an introduction ...
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(2003)The oxygen-18 signal of soil and leaf water are both recorded in heterotrophically synthesized plant stem cellulose. Presently, these signals can only be teased apart with modeling and assumptions on the nature of the ...
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(2001)In this paper, a modern image-processing technique, the Cellular Neural Network (CNN) has been firstly applied to Bouguer anomaly map of synthetic examples and then to data from the Sivas-Divrigi Akdag region. CNN is an ...
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(1989)The paper reports on studies that used models prepared by cementing a mixture of loose porous Lyuberets quartz sand and marshallite with an alcohol solution of BF-2 glue, then drying it with hot nitrogen. This procedure ...
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(2002)The exact location of planetary noble gases in meteorites remains unknown but it is inferred to be closely associated with, if not precisely some portion of, the macromolecular organic material in carbonaceous chondrites ...
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(2003)The objective-function algorithm (OFA) on the basis of hard division is presented in the paper to separate polyphase fault/slip data. The separation is made by detection of linear structures existing in the data in sigma ...
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(1988)For the first time that fractionation of U234 and U238 can occur under certain specific conditions when uranium passes from the liquid phase to the solid. It was discovered accidentally during an investigation of the ...
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(2004)The 3-month long eruption of Asama volcano in 1783 produced andesitic pumice falls, pyroclastic flows, lava flows, and constructed a cone. It is divided into six episodes on the basis of waxing and waning inferred from ...
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SEQUENCE OF EARTHQUAKE GENERATION IN THE LITHOSPHERE OF THE SOUTHERN HALF OF THE KURILE ISLAND ARC (1989)We investigated the structure and sequence of earthquake generation in a seismic zone in the southern half of the Kurile island arc. The zone is about 150 km wide and about 1000 km long. The investigation was based on an ...
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(1998)Analysis of local and regional stratigraphic relationships has permitted the assessment of the nature of tectonic structures and their distribution throughout the observed history of Venus, spanning the past several hundreds ...
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(2001)The latest Mesoproterozoic Burovaya Formation is a 600–1000 m thick stromatolite/mud dominated carbonate unit demarcated by an erosional unconformity into two subformations containing stromatolite reefs of variable size ...
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(2016)The Huadian basin is a small, explored, coal and oil shale-bearing, Cenozoic fault basin in the middle part of the Fushun-Mishan Fault Zone, northeastern China. The basin primarily consists of the Eocene Huadian Formation ...
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(1997)Comparative K-Ca and Rb-Sr data for extremely radiogenic muscovites (#Ca=2300 to 18,700; 87Sr/86Sr=52 to 991) from two unmetamorphosed Archaean pegmatitic rocks from the Jack Hills in the northwestern part of the Yilgarn ...
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(2001)In order to elucidate high-pressure transformations of high-P clinopyroxene (C2/c) at kinetically low temperature where atoms are not thermally activated, the transformation processes of FeGeO3 clinopyroxene (C2/c) have ...
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(2004)This study explores a chemo-thermo-dynamic subduction zone model that solves for slab dehydration during subduction. We investigate how changes in the incoming plate's hydration and thermal structure may effect the efficiency ...
Now showing items 12897-12916 of 39126