DOI: 10.1002/2013GL058371
论文题名: Temporal and spatial evolution of the Antarctic sea ice prior to the September 2012 record maximum extent
作者: Turner J. ; Hosking J.S. ; Phillips T. ; Marshall G.J.
刊名: Geophysical Research Letters
ISSN: 0094-8365
EISSN: 1944-8096
出版年: 2013
卷: 40, 期: 22 起始页码: 5894
结束页码: 5898
语种: 英语
英文关键词: sea ice
Scopus关键词: Amundsen Sea
; Antarctic sea ice
; Ice advection
; Ice growth
; Linear trends
; Temporal and spatial evolutions
; Earth sciences
; Geophysics
; Sea ice
; advection
; sea ice
; spatiotemporal analysis
; trough
; Amundsen Sea
; Antarctica
; East Antarctica
; Queen Maud Land
; Southern Ocean
; Wilkes Land
英文摘要: On 24 September 2012 the Antarctic sea ice extent (SIE) reached a new annual daily maximum (ADM) for the satellite era of 19.72 × 106 km2. The largest positive SIE anomalies compared to the mean of all ADMs were found over the northern Amundsen Sea, off the coast of Wilkes Land, with smaller positive anomalies off the Dronning Maud Land coast (30°W to 30°E). The SIE at the ADM is significantly correlated with the extents for the previous 80 days, but the ice growth during the winter of 2012 was close to the climatological rate, and 1 month before the ADM, the SIE was near the recent mean. Deep depressions in the circumpolar trough since late August 2012 resulted in strong southerly flow and marked northward sea ice advection. The linear trend in SIE suggests that it contributed ∼40% to the 2012 anomaly, with depression activity adding ∼60%. ©2013. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84890443038&doi=10.1002%2f2013GL058371&partnerID=40&md5=00884f537a3b79d72ffd6f8e4becc45d
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5629
Appears in Collections: 气候减缓与适应
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作者单位: British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Rd., Cambridge CB3 0ET, United Kingdom
Recommended Citation:
Turner J.,Hosking J.S.,Phillips T.,et al. Temporal and spatial evolution of the Antarctic sea ice prior to the September 2012 record maximum extent[J]. Geophysical Research Letters,2013-01-01,40(22).