Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia
A megaslump at Batagaika, in northern Yakutia, exposes a remarkable stratigraphic sequence of permafrost deposits ~50–80 m thick. To determine their potential for answering key questions about Quaternary environmental and climatic change in northeast Siberia, we carried out a reconnaissance study of...
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ftsouthampton:oai:eprints.soton.ac.uk:413196 2023-07-30T04:04:04+02:00 Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia Murton, Julian B. Edwards, Mary E. Lozhkin, Anatoly Anderson, Patricia M. Savvinov, Grigoriy N. Bakulina, Nadezhda Bondarenko, Olesya V. Cherepanova, Marina V. Danilov, Petr P. Boeskorov, Vasiliy Goslar, Tomasz Grigoriev, Semyon Gubin, Stanislav V. Korzun, Julia A. Lupachev, Alexei V. Tikhonov, Alexei Tsygankova, Valeriya I. Vasilieva, Galina V. Zanina, Oksana G. 2017-03 https://eprints.soton.ac.uk/413196/ English eng Murton, Julian B., Edwards, Mary E., Lozhkin, Anatoly, Anderson, Patricia M., Savvinov, Grigoriy N., Bakulina, Nadezhda, Bondarenko, Olesya V., Cherepanova, Marina V., Danilov, Petr P., Boeskorov, Vasiliy, Goslar, Tomasz, Grigoriev, Semyon, Gubin, Stanislav V., Korzun, Julia A., Lupachev, Alexei V., Tikhonov, Alexei, Tsygankova, Valeriya I., Vasilieva, Galina V. and Zanina, Oksana G. (2017) Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia. Quaternary Research, 87 (2), 314-330. (doi:10.1017/qua.2016.15 <http://dx.doi.org/10.1017/qua.2016.15>). Article PeerReviewed 2017 ftsouthampton https://doi.org/10.1017/qua.2016.15 2023-07-09T22:17:08Z A megaslump at Batagaika, in northern Yakutia, exposes a remarkable stratigraphic sequence of permafrost deposits ~50–80 m thick. To determine their potential for answering key questions about Quaternary environmental and climatic change in northeast Siberia, we carried out a reconnaissance study of their cryostratigraphy and paleoecology, supported by four rangefinder 14C ages. The sequence includes two ice complexes separated by a unit of fine sand containing narrow syngenetic ice wedges and multiple paleosols. Overall, the sequence developed as permafrost grew syngenetically through an eolian sand sheet aggrading on a hillslope. Wood remains occur in two forest beds, each associated with a reddened weathering horizon. The lower bed contains high amounts of Larix pollen (>20%), plus small amounts of Picea and Pinus pumila, and is attributed to interglacial conditions. Pollen from the overlying sequence is dominated by herbaceous taxa (~70%–80%) attributed to an open tundra landscape during interstadial climatic conditions. Of three hypothetical age schemes considered, we tentatively attribute much of the Batagaika sequence to Marine Oxygen Isotope Stage (MIS) 3. The upper and lower forest beds may represent a mid–MIS 3 optimum and MIS 5, respectively, although we cannot discount alternative attributions to MIS 5 and 7. Article in Journal/Newspaper Ice permafrost Tundra wedge* Yakutia Siberia University of Southampton: e-Prints Soton Quaternary Research 87 2 314 330 |
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University of Southampton: e-Prints Soton |
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ftsouthampton |
language |
English |
description |
A megaslump at Batagaika, in northern Yakutia, exposes a remarkable stratigraphic sequence of permafrost deposits ~50–80 m thick. To determine their potential for answering key questions about Quaternary environmental and climatic change in northeast Siberia, we carried out a reconnaissance study of their cryostratigraphy and paleoecology, supported by four rangefinder 14C ages. The sequence includes two ice complexes separated by a unit of fine sand containing narrow syngenetic ice wedges and multiple paleosols. Overall, the sequence developed as permafrost grew syngenetically through an eolian sand sheet aggrading on a hillslope. Wood remains occur in two forest beds, each associated with a reddened weathering horizon. The lower bed contains high amounts of Larix pollen (>20%), plus small amounts of Picea and Pinus pumila, and is attributed to interglacial conditions. Pollen from the overlying sequence is dominated by herbaceous taxa (~70%–80%) attributed to an open tundra landscape during interstadial climatic conditions. Of three hypothetical age schemes considered, we tentatively attribute much of the Batagaika sequence to Marine Oxygen Isotope Stage (MIS) 3. The upper and lower forest beds may represent a mid–MIS 3 optimum and MIS 5, respectively, although we cannot discount alternative attributions to MIS 5 and 7. |
format |
Article in Journal/Newspaper |
author |
Murton, Julian B. Edwards, Mary E. Lozhkin, Anatoly Anderson, Patricia M. Savvinov, Grigoriy N. Bakulina, Nadezhda Bondarenko, Olesya V. Cherepanova, Marina V. Danilov, Petr P. Boeskorov, Vasiliy Goslar, Tomasz Grigoriev, Semyon Gubin, Stanislav V. Korzun, Julia A. Lupachev, Alexei V. Tikhonov, Alexei Tsygankova, Valeriya I. Vasilieva, Galina V. Zanina, Oksana G. |
spellingShingle |
Murton, Julian B. Edwards, Mary E. Lozhkin, Anatoly Anderson, Patricia M. Savvinov, Grigoriy N. Bakulina, Nadezhda Bondarenko, Olesya V. Cherepanova, Marina V. Danilov, Petr P. Boeskorov, Vasiliy Goslar, Tomasz Grigoriev, Semyon Gubin, Stanislav V. Korzun, Julia A. Lupachev, Alexei V. Tikhonov, Alexei Tsygankova, Valeriya I. Vasilieva, Galina V. Zanina, Oksana G. Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia |
author_facet |
Murton, Julian B. Edwards, Mary E. Lozhkin, Anatoly Anderson, Patricia M. Savvinov, Grigoriy N. Bakulina, Nadezhda Bondarenko, Olesya V. Cherepanova, Marina V. Danilov, Petr P. Boeskorov, Vasiliy Goslar, Tomasz Grigoriev, Semyon Gubin, Stanislav V. Korzun, Julia A. Lupachev, Alexei V. Tikhonov, Alexei Tsygankova, Valeriya I. Vasilieva, Galina V. Zanina, Oksana G. |
author_sort |
Murton, Julian B. |
title |
Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia |
title_short |
Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia |
title_full |
Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia |
title_fullStr |
Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia |
title_full_unstemmed |
Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia |
title_sort |
preliminary paleoenvironmental analysis of permafrost deposits at batagaika megaslump, yana uplands, northeast siberia |
publishDate |
2017 |
url |
https://eprints.soton.ac.uk/413196/ |
genre |
Ice permafrost Tundra wedge* Yakutia Siberia |
genre_facet |
Ice permafrost Tundra wedge* Yakutia Siberia |
op_relation |
Murton, Julian B., Edwards, Mary E., Lozhkin, Anatoly, Anderson, Patricia M., Savvinov, Grigoriy N., Bakulina, Nadezhda, Bondarenko, Olesya V., Cherepanova, Marina V., Danilov, Petr P., Boeskorov, Vasiliy, Goslar, Tomasz, Grigoriev, Semyon, Gubin, Stanislav V., Korzun, Julia A., Lupachev, Alexei V., Tikhonov, Alexei, Tsygankova, Valeriya I., Vasilieva, Galina V. and Zanina, Oksana G. (2017) Preliminary paleoenvironmental analysis of permafrost deposits at Batagaika megaslump, Yana Uplands, northeast Siberia. Quaternary Research, 87 (2), 314-330. (doi:10.1017/qua.2016.15 <http://dx.doi.org/10.1017/qua.2016.15>). |
op_doi |
https://doi.org/10.1017/qua.2016.15 |
container_title |
Quaternary Research |
container_volume |
87 |
container_issue |
2 |
container_start_page |
314 |
op_container_end_page |
330 |
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1772815243753291776 |