Gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the Oyogos Yar coast, Northeast Siberian Arctic
To reconstruct palaeoclimate and palaeonvironmental conditions in the Northeast Siberian Arctic, we studied late Quaternary permafrost at the Oyogos Yar coast (Dmitry Laptev Strait). New infrared stimulated luminescence ages for distinctive floodplain deposits of the Kuchchugui Suite (112.5±9.6 kyr)...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.875146 2023-05-15T14:26:41+02:00 Gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the Oyogos Yar coast, Northeast Siberian Arctic Opel, Thomas Wetterich, Sebastian Meyer, Hanno Dereviagin, Alexander Yu Fuchs, Margret C Schirrmeister, Lutz MEDIAN LATITUDE: 72.677500 * MEDIAN LONGITUDE: 143.555000 * SOUTH-BOUND LATITUDE: 72.672000 * WEST-BOUND LONGITUDE: 143.475000 * NORTH-BOUND LATITUDE: 72.683000 * EAST-BOUND LONGITUDE: 143.635000 2017-05-13 application/zip, 2 datasets https://doi.pangaea.de/10.1594/PANGAEA.875146 https://doi.org/10.1594/PANGAEA.875146 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.875146 https://doi.org/10.1594/PANGAEA.875146 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Opel, Thomas; Wetterich, Sebastian; Meyer, Hanno; Dereviagin, Alexander Yu; Fuchs, Margret C; Schirrmeister, Lutz (2017): Ground-ice stable isotopes and cryostratigraphy reflect late Quaternary palaeoclimate in the Northeast Siberian Arctic (Oyogos Yar coast, Dmitry Laptev Strait). Climate of the Past, 13(6), 587-611, https://doi.org/10.5194/cp-13-587-2017 AWI_Envi AWI_PerDyn AWI_Perma Permafrost Research Permafrost Research (Periglacial Dynamics) @ AWI Polar Terrestrial Environmental Systems @ AWI Dataset 2017 ftpangaea https://doi.org/10.1594/PANGAEA.875146 https://doi.org/10.5194/cp-13-587-2017 2023-01-20T07:33:56Z To reconstruct palaeoclimate and palaeonvironmental conditions in the Northeast Siberian Arctic, we studied late Quaternary permafrost at the Oyogos Yar coast (Dmitry Laptev Strait). New infrared stimulated luminescence ages for distinctive floodplain deposits of the Kuchchugui Suite (112.5±9.6 kyr) and thermokarst-lake deposits of the Krest Yuryakh Suite (102.4±9.7 kyr), respectively, provide new substantial geochronological data and shed light on the landscape history of the Dmitry Laptev Strait region during the Marine Isotope Stage (MIS) 5. Ground ice stable-isotope data are presented together with cryolithological information for eight cryostratigraphic units and are complemented by data from nearby Bol'shoy Lyakhovsky Island. Our combined record of ice-wedge stable isotopes as proxy for past winter climate conditions covers about 200 thousand years and is supplemented by stable isotopes of pore and segregated ice which reflect annual climate conditions overprinted by freezing processes. Our ice wedge stable-isotope data indicate substantial variations in Northeast Siberian Arctic winter climate conditions during the late Quaternary, in particular between Glacial and Interglacial but also over the last millennia to centuries. Stable isotope values of Ice Complex ice wedges indicate cold to very cold winter temperatures about 200 kyr ago (MIS7), very cold winter conditions about 100 kyr ago (MIS5), very cold to moderate winter conditions between about 60 and 30 kyr ago, and extremely cold winter temperatures during the Last Glacial Maximum (MIS2). Much warmer winter conditions are reflected by extensive thermokarst development during the MIS5c and by Holocene ice-wedge stable-isotopes. Modern ice-wedge stable isotopes are most enriched and testify the recent winter warming in the Arctic. Hence, ice-wedge based reconstructions of changes in winter climate conditions add substantial information to those derived from paleoecological proxies stored in permafrost and allow for distinguishing between seasonal ... Dataset Arctic Arctic Ice laptev permafrost Thermokarst wedge* PANGAEA - Data Publisher for Earth & Environmental Science Arctic Yar ENVELOPE(151.300,151.300,70.917,70.917) Krest ENVELOPE(162.010,162.010,58.451,58.451) Yuryakh ENVELOPE(145.658,145.658,59.865,59.865) ENVELOPE(143.475000,143.635000,72.683000,72.672000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
AWI_Envi AWI_PerDyn AWI_Perma Permafrost Research Permafrost Research (Periglacial Dynamics) @ AWI Polar Terrestrial Environmental Systems @ AWI |
spellingShingle |
AWI_Envi AWI_PerDyn AWI_Perma Permafrost Research Permafrost Research (Periglacial Dynamics) @ AWI Polar Terrestrial Environmental Systems @ AWI Opel, Thomas Wetterich, Sebastian Meyer, Hanno Dereviagin, Alexander Yu Fuchs, Margret C Schirrmeister, Lutz Gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the Oyogos Yar coast, Northeast Siberian Arctic |
topic_facet |
AWI_Envi AWI_PerDyn AWI_Perma Permafrost Research Permafrost Research (Periglacial Dynamics) @ AWI Polar Terrestrial Environmental Systems @ AWI |
description |
To reconstruct palaeoclimate and palaeonvironmental conditions in the Northeast Siberian Arctic, we studied late Quaternary permafrost at the Oyogos Yar coast (Dmitry Laptev Strait). New infrared stimulated luminescence ages for distinctive floodplain deposits of the Kuchchugui Suite (112.5±9.6 kyr) and thermokarst-lake deposits of the Krest Yuryakh Suite (102.4±9.7 kyr), respectively, provide new substantial geochronological data and shed light on the landscape history of the Dmitry Laptev Strait region during the Marine Isotope Stage (MIS) 5. Ground ice stable-isotope data are presented together with cryolithological information for eight cryostratigraphic units and are complemented by data from nearby Bol'shoy Lyakhovsky Island. Our combined record of ice-wedge stable isotopes as proxy for past winter climate conditions covers about 200 thousand years and is supplemented by stable isotopes of pore and segregated ice which reflect annual climate conditions overprinted by freezing processes. Our ice wedge stable-isotope data indicate substantial variations in Northeast Siberian Arctic winter climate conditions during the late Quaternary, in particular between Glacial and Interglacial but also over the last millennia to centuries. Stable isotope values of Ice Complex ice wedges indicate cold to very cold winter temperatures about 200 kyr ago (MIS7), very cold winter conditions about 100 kyr ago (MIS5), very cold to moderate winter conditions between about 60 and 30 kyr ago, and extremely cold winter temperatures during the Last Glacial Maximum (MIS2). Much warmer winter conditions are reflected by extensive thermokarst development during the MIS5c and by Holocene ice-wedge stable-isotopes. Modern ice-wedge stable isotopes are most enriched and testify the recent winter warming in the Arctic. Hence, ice-wedge based reconstructions of changes in winter climate conditions add substantial information to those derived from paleoecological proxies stored in permafrost and allow for distinguishing between seasonal ... |
format |
Dataset |
author |
Opel, Thomas Wetterich, Sebastian Meyer, Hanno Dereviagin, Alexander Yu Fuchs, Margret C Schirrmeister, Lutz |
author_facet |
Opel, Thomas Wetterich, Sebastian Meyer, Hanno Dereviagin, Alexander Yu Fuchs, Margret C Schirrmeister, Lutz |
author_sort |
Opel, Thomas |
title |
Gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the Oyogos Yar coast, Northeast Siberian Arctic |
title_short |
Gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the Oyogos Yar coast, Northeast Siberian Arctic |
title_full |
Gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the Oyogos Yar coast, Northeast Siberian Arctic |
title_fullStr |
Gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the Oyogos Yar coast, Northeast Siberian Arctic |
title_full_unstemmed |
Gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the Oyogos Yar coast, Northeast Siberian Arctic |
title_sort |
gravimetric ice content of sediment samples and stable isotope characteristics for ice wedges and for pore and segregrated ice at the oyogos yar coast, northeast siberian arctic |
publisher |
PANGAEA |
publishDate |
2017 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.875146 https://doi.org/10.1594/PANGAEA.875146 |
op_coverage |
MEDIAN LATITUDE: 72.677500 * MEDIAN LONGITUDE: 143.555000 * SOUTH-BOUND LATITUDE: 72.672000 * WEST-BOUND LONGITUDE: 143.475000 * NORTH-BOUND LATITUDE: 72.683000 * EAST-BOUND LONGITUDE: 143.635000 |
long_lat |
ENVELOPE(151.300,151.300,70.917,70.917) ENVELOPE(162.010,162.010,58.451,58.451) ENVELOPE(145.658,145.658,59.865,59.865) ENVELOPE(143.475000,143.635000,72.683000,72.672000) |
geographic |
Arctic Yar Krest Yuryakh |
geographic_facet |
Arctic Yar Krest Yuryakh |
genre |
Arctic Arctic Ice laptev permafrost Thermokarst wedge* |
genre_facet |
Arctic Arctic Ice laptev permafrost Thermokarst wedge* |
op_source |
Supplement to: Opel, Thomas; Wetterich, Sebastian; Meyer, Hanno; Dereviagin, Alexander Yu; Fuchs, Margret C; Schirrmeister, Lutz (2017): Ground-ice stable isotopes and cryostratigraphy reflect late Quaternary palaeoclimate in the Northeast Siberian Arctic (Oyogos Yar coast, Dmitry Laptev Strait). Climate of the Past, 13(6), 587-611, https://doi.org/10.5194/cp-13-587-2017 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.875146 https://doi.org/10.1594/PANGAEA.875146 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.875146 https://doi.org/10.5194/cp-13-587-2017 |
_version_ |
1766299960106549248 |