DOI: 10.1002/2015GL063148
论文题名: Lifetimes and emissions of SO<inf>2</inf> from point sources estimated from OMI
作者: Fioletov V.E. ; McLinden C.A. ; Krotkov N. ; Li C.
刊名: Geophysical Research Letters
ISSN: 0094-8870
EISSN: 1944-8601
出版年: 2015
卷: 42, 期: 6 起始页码: 1969
结束页码: 1976
语种: 英语
英文关键词: emissions
; OMI
; sulfur dioxide
Scopus关键词: Particulate emissions
; Principal component analysis
; Sulfur
; Sulfur dioxide
; Wind
; Dimensional parameterization
; Effective lifetime
; Emission inventories
; Estimated lifetime
; OMI
; Ozone monitoring instruments
; Satellite measurements
; Vertical column densities
; Ultraviolet spectrometers
; algorithm
; correlation
; emission inventory
; estimation method
; parameterization
; point source pollution
; satellite imagery
; statistical analysis
; sulfur dioxide
; wind velocity
; United States
英文摘要: A new method to estimate sulfur dioxide (SO2 ) lifetimes and emissions from point sources using satellite measurements is described. The method is based on fitting satellite SO2 vertical column density to a three-dimensional parameterization as a function of the coordinates and wind speed. An effective lifetime (or, more accurately, decay time) and emission rate are then determined from the parameters of the fit. The method was applied to measurements from the Ozone Monitoring Instrument (OMI) processed with the new principal component analysis (PCA) algorithm in the vicinity of approximately 50 large U.S. near-point sources. The obtained results were then compared with available emission inventories. The correlation between estimated and reported emissions was about 0.91 with the estimated lifetimes between 4 and 12h. It is demonstrated that individual sources with annual SO2 emissions as low as 30ktyr-1 can produce a statistically significant signal in OMI data. Key Points A new method to estimate SO2 lifetimes and emissions from point sources Sources with annual SO2 emissions as low as 30ktyr-1 can be detected from OMI There is a high correlation between reported SO2 emissions and OMI estimates ©2015 Her Majesty the Queen in Right of Canada. Reproduced with the permission of the Minister of the Environment. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84927720841&doi=10.1002%2f2015GL063148&partnerID=40&md5=501b5ac3c48508d8709575708b4238e9
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8486
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: Environment Canada, Toronto, ON, Canada
Recommended Citation:
Fioletov V.E.,McLinden C.A.,Krotkov N.,et al. Lifetimes and emissions of SO<inf>2</inf> from point sources estimated from OMI[J]. Geophysical Research Letters,2015-01-01,42(6).