SO2 Emission Estimates Using OMI SO2 Retrievals for 2005-2017

被引:58
作者
Qu, Zhen [1 ]
Henze, Daven K. [1 ]
Li, Can [2 ,3 ]
Theys, Nicolas [4 ]
Wang, Yi [5 ]
Wang, Jun [5 ]
Wang, Wei [6 ]
Han, Jihyun [7 ]
Shim, Changsub [7 ]
Dickerson, Russell R. [8 ]
Ren, Xinrong [8 ,9 ]
机构
[1] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA
[3] Univ Maryland, Earth Syst Sci Interdisciplinary Ctr, College Pk, MD 20742 USA
[4] Belgian Inst Space Aeron BIRA IASB, Brussels, Belgium
[5] Univ Iowa, Dept Chem & Biochem Engn, Ctr Global & Reg Environm Res, Iowa City, IA 52242 USA
[6] China Natl Environm Monitoring Ctr, Beijing, Peoples R China
[7] Korea Environm Inst, Sejong, South Korea
[8] Univ Maryland, Dept Atmospher & Ocean Sci, College Pk, MD 20742 USA
[9] NOAA, Air Resources Lab, College Pk, MD USA
基金
美国国家航空航天局; 美国国家科学基金会;
关键词
top-down SO2 emission; satellite observation; inverse modeling; mass balance; 4D-Var; data assimilation; SULFUR-DIOXIDE EMISSIONS; OUTDOOR AIR-POLLUTION; ANTHROPOGENIC EMISSIONS; PRECURSOR EMISSIONS; GREENHOUSE GASES; NOX EMISSIONS; POWER-PLANTS; LEVEL SO2; CHINA; OZONE;
D O I
10.1029/2019JD030243
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
SO2 column densities from Ozone Monitoring Instrument provide important information on emission trends and missing sources, but there are discrepancies between different retrieval products. We employ three Ozone Monitoring Instrument SO2 retrieval products (National Aeronautics and Space Administration (NASA) standard (SP), NASA prototype, and BIRA) to study the magnitude and trend of SO2 emissions. SO2 column densities from these retrievals are most consistent when viewing angles and solar zenith angles are small, suggesting more robust emission estimates in summer and at low latitudes. We then apply a hybrid 4D-Var/mass balance emission inversion to derive monthly SO2 emissions from the NASA SP and BIRA products. Compared to HTAPv2 emissions in 2010, both posterior emission estimates are lower in United States, India, and Southeast China, but show different changes of emissions in North China Plain. The discrepancies between monthly NASA and BIRA posterior emissions in 2010 are less than or equal to 17% in China and 34% in India. SO2 emissions increase from 2005 to 2016 by 35% (NASA)-48% (BIRA) in India, but decrease in China by 23% (NASA)-33% (BIRA) since 2008. Compared to in situ measurements, the posterior GEOS-Chem surface SO2 concentrations have reduced NMB in China, the United States, and India but not in South Korea in 2010. BIRA posteriors have better consistency with the annual growth rate of surface SO2 measurement in China and spatial variability of SO2 concentration in China, South Korea, and India, whereas NASA SP posteriors have better seasonality. These evaluations demonstrate the capability to recover SO2 emissions using Ozone Monitoring Instrument observations.
引用
收藏
页码:8336 / 8359
页数:24
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