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Browsing PANGAEA by Title
Now showing items 11-30 of 1650
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(PANGAEA, 2010-06-28)A 415cm thick permafrost peat section from the Verkhoyansk Mountains was radiocarbon-dated and studied using palaeobotanical and sedimentological approaches. Accumulation of organic-rich sediment commenced in a former oxbow ...
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(PANGAEA, 2020-06-25)Age models of M72/5 cores were constrained by 16 accelerator mass spectrometry (AMS) 14C dating in core M72/5-24GC3 (Nowaczyk et al., 2012), and by identifications of the Campanian Ignimbrite tephra at 39.3 ± 0.11 ka ('Y5', ...
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(PANGAEA, 2006-09-15)Between 1999 and 2001, a 724 m long ice core was drilled on Akademii Nauk, the largest glacier on Severnaya Zemlya, Russian Arctic. The drilling site is located near the summit. The core is characterized by high melt-layer ...
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(PANGAEA, 2018-06-07)The long-chain diol index (LDI) is a new organic sea surface temperature (SST) proxy based on the distribution of long-chain diols. It has been applied in several environments but not yet in subpolar regions. Here, we ...
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(PANGAEA, 2015-07-23)The Shelf Seas of the Arctic are known for their large sea-ice production. This paper presents a comprehensive view of the Kara Sea sea-ice cover from high-resolution numerical modeling and space-borne microwave radiometry. ...
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(PANGAEA, 2017-01-31)The most comprehensive database of in situ destructive sampling measurements of forest biomass in Eurasia have been compiled from a combination of experiments undertaken by the authors and from scientific publications. ...
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(PANGAEA, 2012-11-29)Here, we present a first (low-resolution) biomarker sea-ice proxy record from the High Arctic (southern Lomonosov Ridge), going back in time to about 60 ka (MIS 3 to MIS 1). Variable concentrations of the sea-ice diatom ...
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(PANGAEA, 2010-04-19)The paper presents first results of a pan-boreal scale land cover harmonization and classification. A methodology is presented that combines global and regional vegetation datasets to extract percentage cover information ...
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A Holocene marine pollen record from the northern Yenisei Estuary (southeastern Kara Sea, Siberia). (PANGAEA, 2003-12-21)AMS-14C dated sediment cores from the Ob and Yenisei estuaries and the adjacent inner Kara Sea were investigated to determine the siliclastic and organic carbon fluxes and their relationship to paleoenvironmental changes. ...
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(PANGAEA, 2001-10-29)To establish a chronology of the Holocene transgression in Arctic Siberia, a total of 14 sediment cores from the Laptev Sea continental slope and shelf were studied covering the water depth range between 983 and 21 m. The ...
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(PANGAEA, 2018-08-01)Ground-based observations of atmospheric variables are necessary to progressively improve global climate models. Observed data can be used for model evaluation and to develop or tune process models. In arctic permafrost ...
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(PANGAEA, 2007-05-25)A simple, reliable, and efficient method has been elaborated for direct determination of isotopic composition of authigenic uranium in siliceous lacustrine sediments. The method is based on studying kinetics of selective ...
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(PANGAEA, 2018-12-17)Long-chain diols have been detected in a wide range of environments and have been used to reconstruct past environmental changes, however only a few long-term records exist to date. Here we reconstructed past environmental ...
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(PANGAEA, 1995-02-26)
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(PANGAEA, 2014-11-07)
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(PANGAEA, 2000-08-22)An 11 m long sediment core ftorn Lama Lake, Northern Siberia, has been subjected to intense sedimentological, geochemical and rock magnetic analyses. According to a palynologic investigation the recovered sediments cover ...
Now showing items 11-30 of 1650