Causes and impacts of the 2005 Amazon drought

被引：241
作者：
Zeng, Ning [1 ,2 ]
Yoon, Jin-Ho [1 ]
Marengo, Jose A.
Subramaniam, Ajit [3 ]
Nobre, Carlos A.
Mariotti, Annarita [2 ,4 ]
Neelin, J. David [5 ,6 ]
机构：
[1] Univ Maryland, Dept Atmospher Ocean & Space Sci, College Pk, MD 20742 USA
[2] Univ Maryland, Earth Syst Sci Interdisciplinary Ctr, College Pk, MD 20742 USA
[3] Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA
[4] ENEA Casaccia, Rome, Italy
[5] Univ Calif Los Angeles, Dept Atmospher Ocean & Space Sci, Los Angeles, CA 90095 USA
[6] Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90095 USA
来源：
ENVIRONMENTAL RESEARCH LETTERS | 2008年 / 3卷 / 01期
关键词：
climate; Amazon rainforest;
D O I：
10.1088/1748-9326/3/1/014002
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A rare drought in the Amazon culminated in 2005, leading to near record-low streamflows, small Amazon river plume, and greatly enhanced fire frequency. This episode was caused by the combination of 2002-03 El Nino and a dry spell in 2005 attributable to a warm subtropical North Atlantic Ocean. Analysis for 1979-2005 reveals that the Atlantic influence is comparable to the better-known Pacific linkage. While the Pacific influence is typically locked to the wet season, the 2005 Atlantic impact concentrated in the Amazon dry season when its hydroecosystem is most vulnerable. Such mechanisms may have wide-ranging implications for the future of the Amazon rainforest.
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页数：9
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