Lenz, Marlene M., Andreev, Andrei ORCID: 0000-0002-8745-9636, Nazarova, Larisa, Syrykh, Liudmila S., Scheidt, Stephanie ORCID: 0000-0002-9370-2700, Haflidason, Haflidi, Meyer, Hanno ORCID: 0000-0003-4129-4706, Brill, Dominik, Wagner, Bernd, Gromig, Raphael ORCID: 0000-0001-9217-4259, Lenz, Matthias, Rolf, Christian, Kuhn, Gerhard, Fedorov, Grigoriy, Svendsen, John Inge and Melles, Martin ORCID: 0000-0003-0977-9463 . Climate, glacial and vegetation history of the polar Ural Mountains since c. 27 cal ka bp, inferred from a 54 m long sediment core from Lake Bolshoye Shchuchye. J. Quat. Sci.. HOBOKEN: WILEY. ISSN 1099-1417

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Abstract

Because continuous and high-resolution records are scarce in the polar Urals, a multiproxy study was carried out on a 54 m long sediment succession (Co1321) from Lake Bolshoye Shchuchye. The sedimentological, geochemical, pollen and chironomid data suggest that glaciers occupied the lake's catchment during the cold and dry MIS 2 and document a change in ice extent around 23.5-18 cal ka bp. Subsequently, meltwater input, sediment supply and erosional activity decreased as local glaciers progressively melted. The vegetation around the lake comprised open, herb and grass-dominated tundra-steppe until the Bolling-Allerod, but shows a distinct change to probably moister conditions around 17-16 cal ka bp. Local glaciers completely disappeared during the Bolling-Allerod, when summer air temperatures were similar to today and low shrub tundra became established. The Younger Dryas is confined by distinct shifts in the pollen and chironomid records pointing to drier conditions. The Holocene is characterised by a denser vegetation cover, stabilised soil conditions and decreased minerogenic input, especially during the local thermal maximum between c. 10 and 5 cal ka bp. Subsequently, present-day vegetation developed and summer air temperatures decreased to modern, except for two intervals, which may represent the Little Ice Age and Medieval Warm Period.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Lenz, Marlene M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Andreev, AndreiUNSPECIFIEDorcid.org/0000-0002-8745-9636UNSPECIFIED
Nazarova, LarisaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Syrykh, Liudmila S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scheidt, StephanieUNSPECIFIEDorcid.org/0000-0002-9370-2700UNSPECIFIED
Haflidason, HaflidiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Meyer, HannoUNSPECIFIEDorcid.org/0000-0003-4129-4706UNSPECIFIED
Brill, DominikUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wagner, BerndUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gromig, RaphaelUNSPECIFIEDorcid.org/0000-0001-9217-4259UNSPECIFIED
Lenz, MatthiasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rolf, ChristianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kuhn, GerhardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fedorov, GrigoriyUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Svendsen, John IngeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Melles, MartinUNSPECIFIEDorcid.org/0000-0003-0977-9463UNSPECIFIED
URN: urn:nbn:de:hbz:38-600762
DOI: 10.1002/jqs.3400
Journal or Publication Title: J. Quat. Sci.
Publisher: WILEY
Place of Publication: HOBOKEN
ISSN: 1099-1417
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
HOLOCENE ENVIRONMENTAL HISTORY; WESTERN YAMAL PENINSULA; PALEOCLIMATIC CONDITIONS; ORGANIC GEOCHEMISTRY; NORTHERN EURASIA; LATE PLEISTOCENE; ARCTIC RUSSIA; ICE-SHEET; DATA SET; AGEMultiple languages
Geography, Physical; Geosciences, MultidisciplinaryMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/60076

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