globalchange  > 影响、适应和脆弱性
DOI: 10.1088/1748-9326/10/5/054015
论文题名:
Arctic moisture source for Eurasian snow cover variations in autumn
作者: Martin Wegmann; Yvan Orsolini; Marta Vázquez; Luis Gimeno; Raquel Nieto; Olga Bulygina; Ralf Jaiser; Dörthe Handorf; Annette Rinke; Klaus Dethloff; Alexander Sterin; Stefan Brönnimann
刊名: Environmental Research Letters
ISSN: 1748-9326
出版年: 2015
发表日期: 2015-05-15
卷: 10, 期:5
语种: 英语
英文摘要:

Eurasian fall snow cover changes have been suggested as a driver for changes in the Arctic Oscillation and might provide a link between sea-ice decline in the Arctic during summer and atmospheric circulation in the following winter. However, the mechanism connecting snow cover in Eurasia to sea-ice decline in autumn is still under debate. Our analysis is based on snow observations from 820 Russian land stations, moisture transport using a Lagrangian approach derived from meteorological re-analyses. We show that declining sea-ice in the Barents and Kara Seas (BKS) acts as moisture source for the enhanced Western Siberian snow depth as a result of changed tropospheric moisture transport. Transient disturbances enter the continent from the BKS region related to anomalies in the planetary wave pattern and move southward along the Ural mountains where they merge into the extension of the Mediterranean storm track.

URL: http://iopscience.iop.org/article/10.1088/1748-9326/10/5/054015
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/14177
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Oeschger Centre for Climate Change Research and Institute of Geography, University of Bern, Switzerland;NILU—Norwegian Institute for Air Research, Kjeller, Norway;EPhysLab, Facultade de Ciencias, Universidade de Vigo, Ourense, Spain;EPhysLab, Facultade de Ciencias, Universidade de Vigo, Ourense, Spain;EPhysLab, Facultade de Ciencias, Universidade de Vigo, Ourense, Spain;All-Russian Research Institute of Hydrometeorological Information—World Data Centre, Obninsk, Russian Federation;Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Research Unit Potsdam, Germany;Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Research Unit Potsdam, Germany;Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Research Unit Potsdam, Germany;Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Research Unit Potsdam, Germany;All-Russian Research Institute of Hydrometeorological Information—World Data Centre, Obninsk, Russian Federation;Oeschger Centre for Climate Change Research and Institute of Geography, University of Bern, Switzerland

Recommended Citation:
Martin Wegmann,Yvan Orsolini,Marta Vázquez,et al. Arctic moisture source for Eurasian snow cover variations in autumn[J]. Environmental Research Letters,2015-01-01,10(5)
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