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Past freeze and thaw cycling in the margin of the El'gygytgyn crater deduced from a 141 m long permafrost record. / Schwamborn, G.; Meyer, H.; Schirrmeister, L.; Fedorov, G.

в: Climate of the Past, № 10, 2014, стр. 1109-1123.

Результаты исследований: Научные публикации в периодических изданиях › статья

Harvard

Schwamborn, G, Meyer, H, Schirrmeister, L & Fedorov, G 2014, 'Past freeze and thaw cycling in the margin of the El'gygytgyn crater deduced from a 141 m long permafrost record', Climate of the Past, № 10, стр. 1109-1123. https://doi.org/10.5194/cp-10-1109-2014

APA

Schwamborn, G., Meyer, H., Schirrmeister, L., & Fedorov, G. (2014). Past freeze and thaw cycling in the margin of the El'gygytgyn crater deduced from a 141 m long permafrost record. Climate of the Past, (10), 1109-1123. https://doi.org/10.5194/cp-10-1109-2014

Vancouver

Schwamborn G, Meyer H, Schirrmeister L, Fedorov G. Past freeze and thaw cycling in the margin of the El'gygytgyn crater deduced from a 141 m long permafrost record. Climate of the Past. 2014;(10):1109-1123. https://doi.org/10.5194/cp-10-1109-2014

Author

Schwamborn, G. ; Meyer, H. ; Schirrmeister, L. ; Fedorov, G. / Past freeze and thaw cycling in the margin of the El'gygytgyn crater deduced from a 141 m long permafrost record. в: Climate of the Past. 2014 ; № 10. стр. 1109-1123.

BibTeX

@article{2f3e27ec996a4e7bbc88003cbc601966,
title = "Past freeze and thaw cycling in the margin of the El'gygytgyn crater deduced from a 141 m long permafrost record",
abstract = "The continuous sediment record from Lake El{\textquoteright}gygytgyn in the northeastern Eurasian Arctic spans the last 3.6 Ma and for much of this time permafrost dynamics and lake level changes have likely played a crucial role for sediment delivery to the lake. Changes in the ground-ice hydrochemical composition (18O, D, pH, electrical conductivity, Na+, Mg2+, Ca2+, K+, HCO−3 , Cl−, SO−4 ) of a 141m long permafrost record from the western crater plain are examined to reconstruct repeated periods of freeze and thaw at the lake edge. Stable water isotope and major ion records of ground ice in the permafrost reflect both a synsedimentary palaeo-precipitation signal preserved in the near-surface permafrost (0.0–9.1m core depth) and a post-epositional record of thawing and refreezing in deeper layers of the core (9.1–141.0 m core depth). These lake marginal permafrost dynamics were controlled by lake level changes that episodically flooded the surfaces and induced thaw in the underlying frozen ground. During times of lake leve",
keywords = "озеро Эльгыгытгын, многолетняя мерзлота, керн 141 м, циклы промерзания и оттаивания в прошлом",
author = "G. Schwamborn and H. Meyer and L. Schirrmeister and G. Fedorov",
year = "2014",
doi = "10.5194/cp-10-1109-2014",
language = "English",
pages = "1109--1123",
journal = "Climate of the Past",
issn = "1814-9324",
publisher = "European Geosciences Union",
number = "10",

}

RIS

TY - JOUR

T1 - Past freeze and thaw cycling in the margin of the El'gygytgyn crater deduced from a 141 m long permafrost record

AU - Schwamborn, G.

AU - Meyer, H.

AU - Schirrmeister, L.

AU - Fedorov, G.

PY - 2014

Y1 - 2014

N2 - The continuous sediment record from Lake El’gygytgyn in the northeastern Eurasian Arctic spans the last 3.6 Ma and for much of this time permafrost dynamics and lake level changes have likely played a crucial role for sediment delivery to the lake. Changes in the ground-ice hydrochemical composition (18O, D, pH, electrical conductivity, Na+, Mg2+, Ca2+, K+, HCO−3 , Cl−, SO−4 ) of a 141m long permafrost record from the western crater plain are examined to reconstruct repeated periods of freeze and thaw at the lake edge. Stable water isotope and major ion records of ground ice in the permafrost reflect both a synsedimentary palaeo-precipitation signal preserved in the near-surface permafrost (0.0–9.1m core depth) and a post-epositional record of thawing and refreezing in deeper layers of the core (9.1–141.0 m core depth). These lake marginal permafrost dynamics were controlled by lake level changes that episodically flooded the surfaces and induced thaw in the underlying frozen ground. During times of lake leve

AB - The continuous sediment record from Lake El’gygytgyn in the northeastern Eurasian Arctic spans the last 3.6 Ma and for much of this time permafrost dynamics and lake level changes have likely played a crucial role for sediment delivery to the lake. Changes in the ground-ice hydrochemical composition (18O, D, pH, electrical conductivity, Na+, Mg2+, Ca2+, K+, HCO−3 , Cl−, SO−4 ) of a 141m long permafrost record from the western crater plain are examined to reconstruct repeated periods of freeze and thaw at the lake edge. Stable water isotope and major ion records of ground ice in the permafrost reflect both a synsedimentary palaeo-precipitation signal preserved in the near-surface permafrost (0.0–9.1m core depth) and a post-epositional record of thawing and refreezing in deeper layers of the core (9.1–141.0 m core depth). These lake marginal permafrost dynamics were controlled by lake level changes that episodically flooded the surfaces and induced thaw in the underlying frozen ground. During times of lake leve

KW - озеро Эльгыгытгын

KW - многолетняя мерзлота

KW - керн 141 м

KW - циклы промерзания и оттаивания в прошлом

U2 - 10.5194/cp-10-1109-2014

DO - 10.5194/cp-10-1109-2014

M3 - Article

SP - 1109

EP - 1123

JO - Climate of the Past

JF - Climate of the Past

SN - 1814-9324

IS - 10

ER -

ID: 7035291