Glacial history and palaeo-environmental change of southern Taimyr Peninsula, Arctic Russia, during the Middle and Late Pleistocene

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Glacial history and palaeo-environmental change of southern Taimyr Peninsula, Arctic Russia, during the Middle and Late Pleistocene

Möller, Per (author): Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science

Benediktsson, Ivar Orn (author): Univ Iceland, Iceland,University of Iceland

ANJAR, JOHANNA (author): Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science,University of South-Eastern Norway

Bennike, Ole (author): GEUS, Denmark,Geological Survey of Denmark and Greenland, Copenhagen, Denmark

Bernhardson, Martin (author): Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science

Funder, Svend (author): Univ Copenhagen, Denmark,University of Copenhagen

Håkansson, Lena M. (author): Univ Ctr Svalbard UNIS, Norway,University Centre in Svalbard

Lemdahl, Geoffrey (author): Linnaeus University,Linnéuniversitetet,Institutionen för biologi och miljö (BOM)

Licciardi, Joseph M. (author): Univ New Hampshire, USA,University of New Hampshire

Murray, Andrew S. (author): Aarhus Univ, Denmark,Aarhus University

Seidenkrantz, Marit-Solveig (author): Aarhus Univ, Denmark,Aarhus University

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Elsevier, 2019
2019
English.
In: Earth-Science Reviews. - : Elsevier. - 0012-8252 .- 1872-6828. ; 196

Related links:: https://openarchive....; show more...; http://dx.doi.org/10...; https://urn.kb.se/re...; https://doi.org/10.1...; https://lup.lub.lu.s...; show less...

Research review (peer-reviewed)

Abstract Subject headings

We here reconstruct a glacial and climate history of arctic NW Siberia for the last similar to 600,000 years, based on the stratigraphy and chronology of 35 studied river sections on the southern Taimyr Peninsula. From this strati graphic mosaic we have identified four glacial events, marked by tills/glaciotectonics, which are intercalated with mainly marine sediments deposited in proglacial settings during transitions from glacial conditions into subsequent interglacials/interstadials. The traces of early shelf-based Kara Sea Ice Sheet (KSIS) glaciations in marine isotope stages (MIS) 12-14 and 8 are sparsely preserved, but these ice advances are suggested to have terminated far south into the central Siberian uplands, as also was the case with the younger Taz glaciation (MIS 6). The inception phase of the latter glaciation was complex, with ice advancing into a proglacial marine basin both from the south (Putorana - Anabar uplands) and the north. The deglaciation leading into the Karginsky interglacial (MIS 5e) was marked by the development of the southerrunost ice-marginal zones (IMZs) on the Taimyr lowlands - the Urdakh and Sampesa IMZs. The most recent (late Pleistocene) glacial cycle is recorded by three successively smaller KSIS advances from the Kara Sea shelf onto Taimyr, of which only the first, during Early Zyryanka (MIS 5d), reached south of the Byrranga Mountains, with its maximum extent marked by the Jangoda - Syntabul - Severokokorsky IMZ. Retreat of the ice margin during MIS 5c-b was accompanied by deposition of glaciomarine sediment in the proglacial basin and deposition of large successions of delta sediments in the foothills of the Byrranga Motmtains, reaching a >= 100 m above present sea level. The region north of the Byrranga Mountains was subjected to two subsequent KSIS glaciations, during MIS 4 and MIS 2, while the area south of the Byrranga Mountains transitioned to a terrestrial environment from the Middle into the Lower Zyryanka, as evidenced by deposition of fluvial, aeolian and ice-complex (Yedoma) sediments.

Subject headings

NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)

Keyword

Eurasian ice sheet
Taimyr
Glaciation history
Palaeoenvironmental reconstruction
Middle pleistocene
Late pleistocene
Paleoecology
Paleoekologi
Eurasian ice sheet, Taimyr, glaciation history, palaeoenvironmental reconstruction, Middle Pleistocene, Late Pleistocene

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By the author/editor: Möller, Per; Benediktsson, Iv ...; ANJAR, JOHANNA; Bennike, Ole; Bernhardson, Mar ...; Funder, Svend; show more...; Håkansson, Lena ...; Lemdahl, Geoffre ...; Licciardi, Josep ...; Murray, Andrew S ...; Seidenkrantz, Ma ...; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...

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By the university: Linnaeus University; Lund University

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