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DOI10.1038/s41558-017-0014-8
A pan-tropical cascade of fire driven by El Nino/Southern Oscillation
Chen, Yang1; Morton, Douglas C.2; Andela, Niels2; van der Werf, Guido R.3; Giglio, Louis4; Randerson, James T.1
2017-12-01
发表期刊NATURE CLIMATE CHANGE
ISSN1758-678X
EISSN1758-6798
出版年2017
卷号7期号:12
文章类型Article
语种英语
国家USA; Netherlands
英文摘要

The El Nino/Southern Oscillation (ENSO) has a pronounced influence on year-to-year variations in climate(1). The response of fires to this forcing(2) is complex and has not been evaluated systematically across different continents. Here we use satellite data to create a climatology of burned-area and fire-emissions responses, drawing on six El Nino and six La Nina events during 1997-2016. On average, reductions in precipitation and terrestrial water storage increased fire emissions in pan-tropical forests by 133% during and following El Nino as compared with La Nina. Fires peaked in equatorial Asia early in the ENSO cycle when El Nino was strengthening (Aug-Oct), before moving to southeast Asia and northern South America (Jan-Apr), Central America (Mar-May) and the southern Amazon (Jul-Oct) during the following year. Large decreases in fire occurred across northern Australia during Sep-Oct of the second year from a reduced fuel availability. Satellite observations of aerosols and carbon monoxide provided independent confirmation of the spatiotemporal evolution of fire anomalies. The predictable cascade of fire across different tropical continents described here highlights an important time delay in the Earth system's response to precipitation redistribution. These observations help to explain why the growth rate of atmospheric CO2 increases during El Nino(3) and may contribute to improved seasonal fire forecasts.


领域资源环境
收录类别SCI-E ; SSCI
WOS记录号WOS:000417014700019
WOS关键词SEASON SEVERITY ; NINO ; EMISSIONS ; ENSO ; TEMPERATURE ; IMPACTS
WOS类目Environmental Sciences ; Environmental Studies ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/32814
专题资源环境科学
作者单位1.Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA 92697 USA;
2.NASA, Biospher Sci Lab, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA;
3.Vrije Univ Amsterdam, Fac Earth & Life Sci, NL-1081 HV Amsterdam, Netherlands;
4.Univ Maryland, Dept Geog Sci, College Pk, MD 20742 USA
推荐引用方式
GB/T 7714
Chen, Yang,Morton, Douglas C.,Andela, Niels,et al. A pan-tropical cascade of fire driven by El Nino/Southern Oscillation[J]. NATURE CLIMATE CHANGE,2017,7(12).
APA Chen, Yang,Morton, Douglas C.,Andela, Niels,van der Werf, Guido R.,Giglio, Louis,&Randerson, James T..(2017).A pan-tropical cascade of fire driven by El Nino/Southern Oscillation.NATURE CLIMATE CHANGE,7(12).
MLA Chen, Yang,et al."A pan-tropical cascade of fire driven by El Nino/Southern Oscillation".NATURE CLIMATE CHANGE 7.12(2017).
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