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  • 1
    Publication Date: 2020-11-10
    Description: Permafrost thawing leads to mobilization of the vast carbon pool into modern biogeochemical cycling through the enhanced release of dissolved organic matter (DOM) and production of greenhouse gases (CO2 and CH4). In this work, we focus on the study of methane and DOM distribution and genesis in the ground ice samples of thermodenudational exposure in the Central Yamal (Russian Arctic). We propose that the liberation of the ice-trapped CH4 and generation of CO2 by DOM mineralization are the earliest factors of atmospheric greenhouse gases emission as a result of permafrost thawing. The observed enormously “light ” isotope signatures of methane (δ13C 〈 −80‰, δD 〈 −390‰) found in the tabular ground ice units significantly divergent in morphology and localization within the exposuremay be related to subzero (cryogenic) carbonate reduction a as significant factor of the local methane enrichment. DOM is mainly formed (〉88%) by biochemically refractory humic acids. Distribution of the labile protein-like DOM reflects the specific features of carbon and nitrogen cycles in the tabular ground ice and ice wedge samples. Tabular ground ice units are shown to be a significant source of methane and high quality organic matter as well as dissolved inorganic nitrogen (DIN). Ice wedges express a high variation in DOM composition and lability.
    Electronic ISSN: 2076-3263
    Topics: Geosciences
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  • 2
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    PANGAEA
    Publication Date: 2023-03-16
    Keywords: Akademik Boris Petrov; Arsenic; Barium; BP97; BP97-01; BP97-08; BP97-09; BP97-10; BP97-12; BP97-15; BP97-17; BP97-18; BP97-19; BP97-21; BP97-24; BP97-25; BP97-27; BP97-28; BP97-30; BP97-31; BP97-32; BP97-33; BP97-34; BP97-36; BP97-37; BP97-42; BP97-43; BP97-46; BP97-47; BP97-48; BP97-49; BP97-50; BP97-51; BP97-52; BP97-53; BP97-54; BP97-55; BP97-56; BP97-58; BP97-59; Bromine; Chromium; Cobalt; Copper; DEPTH, sediment/rock; DIVERSE; Elevation of event; Event label; Iron; Kara Sea; KaraSea97; Latitude of event; Lead; Longitude of event; Manganese; MULT; Multiple investigations; Nickel; Quaternary Environment of the Eurasian North; QUEEN; Rubidium; Sampling gear, diverse; Siberian River Run-Off; SIRRO; Strontium; Titanium; Vanadium; X-ray fluorescence (XRF); Zinc
    Type: Dataset
    Format: text/tab-separated-values, 540 data points
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  • 3
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    PANGAEA
    In:  All-Russian Research Institute for Geology and Mineral Resources of the World Ocean, St. Petersburg
    Publication Date: 2023-03-16
    Keywords: Aegirine; Anatase; Apatite; Archive of Ocean Data; ARCOD; Barents Sea; Barite; BC; Biotite in heavy mineral fraction; Black ore; Box corer; Brookite; Calculated; Chlorite in heavy mineral fraction; Chloritoid; Chrome-spinellid; Counting, Stereo Microscope; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dolomite; Elevation of event; Epidote-zoisite; Event label; Garnet; Gidrolog-VNIIO; Gidrolog-VNIIO-2005; G-VNIIO-05-1; G-VNIIO-05-10; G-VNIIO-05-11; G-VNIIO-05-12; G-VNIIO-05-13; G-VNIIO-05-14; G-VNIIO-05-2; G-VNIIO-05-3; G-VNIIO-05-4; G-VNIIO-05-5; G-VNIIO-05-6; G-VNIIO-05-7; G-VNIIO-05-8; G-VNIIO-05-9; Heavy mineral grains; Heavy minerals; Hornblende, common; Indefinite titanium minerals and leucoxene; Iron-carbonate aggregates; Iron hydroxides; Kyanite; Latitude of event; Longitude of event; Orthit; Pyrite, FeS2; Pyroxene, monoclinic; Pyroxene, rhombic; Rock fragments; Rutile; Siderite; Sillimanite; Sphene; Staurolite; Sum; Tourmaline; Tremolite/Actinolite; Xenotime; Zircon
    Type: Dataset
    Format: text/tab-separated-values, 518 data points
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  • 4
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    In:  All-Russian Research Institute for Geology and Mineral Resources of the World Ocean, St. Petersburg
    Publication Date: 2023-03-16
    Keywords: Archive of Ocean Data; ARCOD; Barents Sea; BC; Box corer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; Gidrolog-VNIIO; Gidrolog-VNIIO-2005; G-VNIIO-05-1; G-VNIIO-05-10; G-VNIIO-05-11; G-VNIIO-05-12; G-VNIIO-05-13; G-VNIIO-05-14; G-VNIIO-05-2; G-VNIIO-05-3; G-VNIIO-05-6; G-VNIIO-05-7; G-VNIIO-05-8; G-VNIIO-05-9; Latitude of event; Longitude of event; Oil products
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 5
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    In:  All-Russian Research Institute for Geology and Mineral Resources of the World Ocean, St. Petersburg
    Publication Date: 2023-03-16
    Keywords: Archive of Ocean Data; ARCOD; Barents Sea; BC; Beta activity, total; Box corer; Caesium-137, activity per mass; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; Gidrolog-VNIIO; Gidrolog-VNIIO-2005; G-VNIIO-05-1; G-VNIIO-05-10; G-VNIIO-05-11; G-VNIIO-05-12; G-VNIIO-05-13; G-VNIIO-05-14; G-VNIIO-05-2; G-VNIIO-05-3; G-VNIIO-05-4; G-VNIIO-05-5; G-VNIIO-05-6; G-VNIIO-05-7; G-VNIIO-05-8; G-VNIIO-05-9; Latitude of event; Longitude of event; Potassium-40; Radium-226 activity per mass; Thorium-232 activity per mass
    Type: Dataset
    Format: text/tab-separated-values, 98 data points
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  • 6
    Publication Date: 2023-03-16
    Keywords: Aegirine; Amphibole, alkaline; Anatase; Andalusite; Apatite; Archive of Ocean Data; ARCOD; Barents Sea; Barite; BC; Biotite in heavy mineral fraction; Black ore; Box corer; Brookite; Calculated; Chlorite in heavy mineral fraction; Chloritoid; Chrome-spinellid; Clayey-micaceous aggregates; Counting, Stereo Microscope; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dolomite; Element analyser CNS, Carlo Erba NA1500; Elevation of event; Epidote-zoisite; Event label; Garnet; Heavy mineral grains; Heavy minerals; Hornblende, basaltic; Hornblende, common; Indefinite titanium minerals and leucoxene; IPE-2003; IPE-2003-01; IPE-2003-02; IPE-2003-03; IPE-2003-04; IPE-2003-05; IPE-2003-06; IPE-2003-07; IPE-2003-08; IPE-2003-09; IPE-2003-10; IPE-2003-11; IPE-2003-12; IPE-2003-13; IPE-2003-14; IPE-2003-15; IPE-2003-16; IPE-2003-17; IPE-2003-18; IPE-2003-19; IPE-2003-20; IPE-2003-21; IPE-2003-22; IPE-2003-23; IPE-2003-24; IPE-2003-25; IPE-2003-26; IPE-2003-27; IPE-2003-28; IPE-2003-29; IPE-2003-30; IPE-2003-31; IPE-2003-32; IPE-2003-33; IPE-2003-34; IPE-2003-35; IPE-2003-36; IPE-2003-37; IPE-2003-38; IPE-2003-39; IPE-2003-40; IPE-2003-41; IPE-2003-42; IPE-2003-43; Iron-carbonate aggregates; Iron hydroxides; Ivan Petrov; Kyanite; Latitude of event; Leucoxene; Longitude of event; Monazite; Olivine; Orthit; Pyrite, FeS2; Pyroxene, monoclinic; Pyroxene, rhombic; Rutile; Siderite; Sillimanite; Sphene; Staurolite; Sum; Tourmaline; Tremolite/Actinolite; Zircon
    Type: Dataset
    Format: text/tab-separated-values, 1806 data points
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  • 7
    Publication Date: 2023-03-16
    Keywords: Archive of Ocean Data; ARCOD; Barents Sea; BC; Beta activity, total; Box corer; Caesium-137, activity per mass; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; GC; Gravity corer; IPE-2005; IPE-2005-03/3; IPE-2005-03/9; IPE-2005-07; IPE-2005-10/1; IPE-2005-10/12; IPE-2005-10/22; IPE-2005-10/24; IPE-2005-10/26; IPE-2005-10/5; IPE-2005-10/8; IPE-2005-14/1; IPE-2005-14/14; IPE-2005-14/2; IPE-2005-14/24; IPE-2005-14/3; IPE-2005-14/4; IPE-2005-14/5; IPE-2005-14/6; IPE-2005-14/7; IPE-2005-14/8; IPE-2005-14/9; IPE-2005-25/12; IPE-2005-25/13; IPE-2005-25/14; IPE-2005-25/15; IPE-2005-25/17; IPE-2005-61/3; IPE-2005-61/6; IPE-2005-61/8; IPE-2005-90/3; Ivan Petrov; Latitude of event; Longitude of event; Potassium-40; Radium-226 activity per mass; Thorium-232 activity per mass
    Type: Dataset
    Format: text/tab-separated-values, 210 data points
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  • 8
    Publication Date: 2023-03-16
    Keywords: Archive of Ocean Data; ARCOD; Arsenic; Barents Sea; Barium; BC; Box corer; Cadmium; Chromium; Cobalt; Copper; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; GC; Gravity corer; IPE-2005; IPE-2005-03/1; IPE-2005-03/10; IPE-2005-03/11; IPE-2005-03/12; IPE-2005-03/2; IPE-2005-03/3; IPE-2005-03/4; IPE-2005-03/5; IPE-2005-03/6; IPE-2005-03/7; IPE-2005-03/8; IPE-2005-03/9; IPE-2005-04/1; IPE-2005-04/2; IPE-2005-04/3; IPE-2005-07; IPE-2005-10/1; IPE-2005-10/10; IPE-2005-10/11; IPE-2005-10/12; IPE-2005-10/12-1; IPE-2005-10/13; IPE-2005-10/14; IPE-2005-10/15; IPE-2005-10/16; IPE-2005-10/17; IPE-2005-10/17-1; IPE-2005-10/18; IPE-2005-10/19; IPE-2005-10/2; IPE-2005-10/20; IPE-2005-10/21; IPE-2005-10/22; IPE-2005-10/23; IPE-2005-10/24; IPE-2005-10/25; IPE-2005-10/26; IPE-2005-10/27; IPE-2005-10/28; IPE-2005-10/3; IPE-2005-10/4; IPE-2005-10/5; IPE-2005-10/6; IPE-2005-10/7; IPE-2005-10/8; IPE-2005-10/9; IPE-2005-14/1; IPE-2005-14/10; IPE-2005-14/11; IPE-2005-14/12; IPE-2005-14/13; IPE-2005-14/14; IPE-2005-14/15; IPE-2005-14/16; IPE-2005-14/17; IPE-2005-14/18; IPE-2005-14/19; IPE-2005-14/2; IPE-2005-14/20; IPE-2005-14/21; IPE-2005-14/22; IPE-2005-14/23; IPE-2005-14/24; IPE-2005-14/25; IPE-2005-14/3; IPE-2005-14/4; IPE-2005-14/5; IPE-2005-14/6; IPE-2005-14/7; IPE-2005-14/8; IPE-2005-14/9; IPE-2005-25/1; IPE-2005-25/10; IPE-2005-25/11; IPE-2005-25/12; IPE-2005-25/13; IPE-2005-25/14; IPE-2005-25/15; IPE-2005-25/16; IPE-2005-25/17; IPE-2005-25/18; IPE-2005-25/19; IPE-2005-25/2; IPE-2005-25/20; IPE-2005-25/21; IPE-2005-25/22; IPE-2005-25/23; IPE-2005-25/24; IPE-2005-25/25; IPE-2005-25/3; IPE-2005-25/4; IPE-2005-25/5; IPE-2005-25/6; IPE-2005-25/7; IPE-2005-25/8; IPE-2005-25/9; IPE-2005-61/1; IPE-2005-61/2; IPE-2005-61/3; IPE-2005-61/4; IPE-2005-61/5; IPE-2005-61/6; IPE-2005-61/7; IPE-2005-61/8; IPE-2005-90/1; IPE-2005-90/2; IPE-2005-90/3; Iron; Ivan Petrov; Latitude of event; Lead; Longitude of event; Manganese; Mercury; Nickel; Strontium; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 1307 data points
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  • 9
    Publication Date: 2023-03-16
    Keywords: Archive of Ocean Data; ARCOD; Barents Sea; BC; Box corer; Calcium carbonate; Carbon, organic, total; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; GC; Gravity corer; IPE-2005; IPE-2005-03/1; IPE-2005-03/12; IPE-2005-03/3; IPE-2005-03/8; IPE-2005-03/9; IPE-2005-04/1; IPE-2005-04/2; IPE-2005-04/3; IPE-2005-10/1; IPE-2005-10/12-1; IPE-2005-10/16; IPE-2005-10/17-1; IPE-2005-10/22; IPE-2005-10/24; IPE-2005-10/24B; IPE-2005-10/26; IPE-2005-10/28; IPE-2005-10/5; IPE-2005-10/9; IPE-2005-14/1; IPE-2005-14/11; IPE-2005-14/14; IPE-2005-14/19; IPE-2005-14/24; IPE-2005-14/25; IPE-2005-14/3; IPE-2005-14/9; IPE-2005-25/10; IPE-2005-25/12; IPE-2005-25/15; IPE-2005-25/17; IPE-2005-25/18; IPE-2005-25/21; IPE-2005-25/25; IPE-2005-25/3; IPE-2005-25/8; IPE-2005-61/3; IPE-2005-61/4; IPE-2005-61/5; IPE-2005-61/6; IPE-2005-61/7; IPE-2005-61/8; IPE-2005-90/1; IPE-2005-90/2; Ivan Petrov; Latitude of event; Longitude of event
    Type: Dataset
    Format: text/tab-separated-values, 200 data points
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  • 10
    Publication Date: 2023-03-16
    Keywords: Archive of Ocean Data; ARCOD; Barents Sea; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; Gas chromatography - Mass spectrometry (GC-MS); GC; Gravity corer; IPE-2005; IPE-2005-04/2; IPE-2005-10/12-1; IPE-2005-90/2; Ivan Petrov; Latitude of event; Longitude of event; n-Alkane C14; n-Alkane C15; n-Alkane C16; n-Alkane C17; n-Alkane C18; n-Alkane C19; n-Alkane C20; n-Alkane C21; n-Alkane C22; n-Alkane C23; n-Alkane C24; n-Alkane C25; n-Alkane C26; n-Alkane C27; n-Alkane C28; n-Alkane C29; n-Alkane C30; n-Alkane C31; n-Alkane C32; n-Alkane C33; n-Alkane C34; n-Alkane C35; Phytane 2,6,10,14-Tetramethylheptadecane; Pristane 2,6,10,14-Tetramethylheptane
    Type: Dataset
    Format: text/tab-separated-values, 208 data points
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