globalchange  > 气候减缓与适应
DOI: 10.1029/2018JD028697
Scopus记录号: 2-s2.0-85052814705
论文题名:
Modulation of Sea Ice Melt Onset and Retreat in the Laptev Sea by the Timing of Snow Retreat in the West Siberian Plain
作者: Crawford A.D.; Horvath S.; Stroeve J.; Balaji R.; Serreze M.C.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2018
卷: 123, 期:16
起始页码: 8691
结束页码: 8707
语种: 英语
英文关键词: Arctic ; Laptev Sea ; sea ice melt onset ; sea ice predictability ; sea ice retreat ; surface-atmosphere interactions
英文摘要: Recent years have seen growing interest in improving seasonal predictions of Arctic sea ice conditions, including the timing of ice melt onset and retreat, especially on the regional scale. This paper investigates potential links between regional sea ice melt onset and retreat in the southern Laptev Sea and retreat of terrestrial snow cover. Past studies have shown that variability of snow extent over Eurasia can substantially impact regional atmospheric circulation patterns over the North Pacific and Arctic Oceans. It is shown here that for the Laptev Sea, earlier melt onset and retreat of sea ice are encouraged by earlier retreat of snow cover over the West Siberian Plain. Earlier snow retreat in spring encourages greater ridging (e.g., at 500 hPa) over the East Siberian Sea through the summer. This results in more frequently southerly flow of warm, moist air over the Laptev Sea. This relationship could provide modest improvements to predictive skill for sea ice melt onset and retreat in the southern Laptev Sea at lead times of approximately 50 and 90 days, respectively. The detrended time series of snow retreat in the West Siberian Plain explains 26 and 29% of the detrended variance of the timing of sea ice melt onset and retreat in southern Laptev Sea, respectively. ©2018. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113234
Appears in Collections:气候减缓与适应

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作者单位: National Snow and Ice Data Center, Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, United States; Department of Earth Sciences, The College of Wooster, Wooster, OH, United States; Department of Civil, Environmental and Architectural Engineering, University of Colorado Boulder, Boulder, CO, United States; Earth Sciences Department, University College of London, London, United Kingdom

Recommended Citation:
Crawford A.D.,Horvath S.,Stroeve J.,et al. Modulation of Sea Ice Melt Onset and Retreat in the Laptev Sea by the Timing of Snow Retreat in the West Siberian Plain[J]. Journal of Geophysical Research: Atmospheres,2018-01-01,123(16)
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