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DOI10.1126/science.1087888
Ice Core Evidence for Antarctic Sea Ice Decline since the 1950s
Curran M.A.J.; Van Ommen T.D.; Morgan V.I.; Phillips K.L.; Palmer A.S.
发表日期2003
ISSN0036-8075
起始页码1203
结束页码1206
卷号302期号:5648
英文摘要The instrumental record of Antarctic sea ice in recent decades does not reveal a clear signature of warming despite observational evidence from coastal Antarctica. Here we report a significant correlation (P < 0.002) between methanesulphonic acid (MSA) concentrations from a Law Dome ice core and 22 years of satellite-derived sea ice extent (SIE) for the 80°E to 140°E sector. Applying this instrumental calibration to longer term MSA data (1841 to 1995 A.D.) suggests that there has been a 20% decline in SIE since about 1950. The decline is not uniform, showing large cyclical variations, with periods of about 11 years, that confuse trend detection over the relatively short satellite era.
英文关键词Correlation methods; Global warming; Weather satellites; Sea ice extent; Sea ice; ice; mesylic acid; sea water; sulfur; aerosol; Antarctica; article; calibration; climate; ecosystem; ice core record; priority journal; sea; warming
语种英语
来源期刊Science
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/243444
作者单位Dept. of the Environ. and Heritage, Australian Antarctic Division, Ecosystem Cooperative Research Ctr., Private Bag 80, Hobart, Tasmania 7001, Australia; Inst. of Antarctic/S. Ocean Studs., University of Tasmania, Private Bag 77, Hobart, Tasmania 7001, Australia
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Curran M.A.J.,Van Ommen T.D.,Morgan V.I.,et al. Ice Core Evidence for Antarctic Sea Ice Decline since the 1950s[J],2003,302(5648).
APA Curran M.A.J.,Van Ommen T.D.,Morgan V.I.,Phillips K.L.,&Palmer A.S..(2003).Ice Core Evidence for Antarctic Sea Ice Decline since the 1950s.Science,302(5648).
MLA Curran M.A.J.,et al."Ice Core Evidence for Antarctic Sea Ice Decline since the 1950s".Science 302.5648(2003).
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