DOI: 10.1002/2014GL062584
论文题名: Remote-sensing constraints on South America fire traits by Bayesian fusion of atmospheric and surface data
作者: Bloom A.A. ; Worden J. ; Jiang Z. ; Worden H. ; Kurosu T. ; Frankenberg C. ; Schimel D.
刊名: Geophysical Research Letters
ISSN: 0094-8954
EISSN: 1944-8685
出版年: 2015
卷: 42, 期: 4 起始页码: 1268
结束页码: 1274
语种: 英语
英文关键词: biomass burning
; carbon cycle
; MODIS
; MOPITT
; South America
; TES
Scopus关键词: Bayesian networks
; Biomass
; Carbon
; Combustion
; Inference engines
; Remote sensing
; Satellite imagery
; Satellites
; Biomass-burning
; Carbon cycles
; MODIS
; MOPITT
; South America
; TES
; Fires
; Bayesian analysis
; biomass burning
; carbon emission
; carbon monoxide
; combustion
; fire behavior
; monitoring system
; ozone
; remote sensing
; satellite data
; spatiotemporal analysis
; tropical region
; South America
英文摘要: Satellite observations reveal substantial burning during the 2007 and 2010 tropical South America fire season, with both years exhibiting similar total burned area. However, 2010 CO fire emissions, based on satellite CO concentration measurements, were substantially lower (-28%), despite the once-in-a-century drought in 2010. We use Bayesian inference with satellite measurements of CH4 and CO concentrations and burned area to quantify shifts in combustion characteristics in 2010 relative to 2007. We find an 88% probability in reduced combusted biomass density associated with the 2010 fires and an 82% probability of lower fire carbon losses in 2010 relative to 2007. Higher combustion efficiency was a smaller contributing factor to the reduced 2010 CO emissions. The reduction in combusted biomass density is consistent with a reduction (4-6%) in Global Ozone Monitoring Experiment 2 solar-induced fluorescence (a proxy for gross primary production) during the preceding months and a potential reduction in biomass (≤8.3%) due to repeat fires. ©2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84924908905&doi=10.1002%2f2014GL062584&partnerID=40&md5=984196c0d37d5f7a4b43d3fb20a3adee
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8570
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
Recommended Citation:
Bloom A.A.,Worden J.,Jiang Z.,et al. Remote-sensing constraints on South America fire traits by Bayesian fusion of atmospheric and surface data[J]. Geophysical Research Letters,2015-01-01,42(4).