Accumulation rates over the past 260 years archived in Elbrus ice core, Caucasus

被引：3

作者：

Mikhalenko, Vladimir ^{[1
]}

Kutuzov, Stanislav ^{[1
,2
,3
]}

Toropov, Pavel ^{[1
,4
]}

Legrand, Michel ^{[5
,6
,7
]}

Sokratov, Sergey ^{[4
]}

Chernyakov, Gleb ^{[1
]}

Lavrentiev, Ivan ^{[1
]}

Preunkert, Susanne ^{[7
]}

Kozachek, Anna ^{[8
]}

Vorobiev, Mstislav ^{[1
]}

Khairedinova, Aleksandra ^{[1
]}

Lipenkov, Vladimir ^{[1
,8
]}

机构：

[1] Russian Acad Sci, Inst Geog, Moscow 119017, Russia

[2] Ohio State Univ, Byrd Polar & Climate Res Ctr, Columbus, OH 43210 USA

[3] Ohio State Univ, Sch Earth Sci, Columbus, OH 43210 USA

[4] Lomonosov Moscow State Univ, Fac Geog, Moscow 119991, Russia

[5] Univ Paris Cite, CNRS, LISA, F-75013 Paris, France

[6] Univ Paris Est Creteil, CNRS, LISA, F-75013 Paris, France

[7] Univ Grenoble Alpes, CNRS, Inst Geosci Environm IGE, F-38402 Grenoble, France

[8] Arctic & Antarctic Res Inst, St Petersburg 199397, Russia

来源：

CLIMATE OF THE PAST | 2024年 / 20卷 / 01期

基金：

俄罗斯科学基金会;

关键词：

NORTH-ATLANTIC OSCILLATION; MAY-JUNE PRECIPITATION; WINTER PRECIPITATION; CLIMATE VARIABILITY; MT; ELBRUS; RECONSTRUCTION; RECORD; TEMPERATURE; GLACIER; EUROPE;

D O I：

10.5194/cp-20-237-2024

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

In this study, we present a seasonally resolved accumulation record spanning from 1750 to 2009 Common Era (CE), based on a 181.8m ice core obtained from the Elbrus Western Plateau in the Caucasus. We implemented various methods to account for uncertainties associated with glacier flow, layer thinning, and dating. Additionally, we applied a novel approach to calculate a seasonal calendar for meteorological data, enabling comparison with ice core records. The reconstructed accumulation data were compared with available meteorological data, gridded precipitation records, and paleo-reanalysis data. Reconstructed accumulation is representative for a large region south of the Eastern European plain and Black Sea region with summer precipitation being the primary driver of precipitation variability. We identified a statistically significant relationship between changes in regional precipitation and fluctuations in the North Atlantic Oscillation (NAO) index, which is, however, not stable over the entire period covered by the ice core.

引用

页码：237 / 255

页数：19

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