Arid
DOI10.1007/s10661-012-2559-3
Analysis of spatial and seasonal distributions of MODIS aerosol optical properties and ground-based measurements of mass concentrations in the Yellow Sea region in 2009
Kim, Hak-Sung1; Chung, Yong-Seung1; Lee, Sun-Gu2
通讯作者Kim, Hak-Sung
来源期刊ENVIRONMENTAL MONITORING AND ASSESSMENT
ISSN0167-6369
EISSN1573-2959
出版年2013
卷号185期号:1页码:369-382
英文摘要

Satellite-retrieved data on aerosol optical depth (AOD) and ngstrom exponent (AE) using a moderate resolution imaging spectrometer (MODIS) were used to analyze large-scale distributions of atmospheric aerosols in East Asia. AOD was relatively high in March (0.44 +/- 0.25) and low in September (0.24 +/- 0.21) in the East Asian region in 2009. Sandstorms originating from the deserts and dry areas in northern China and Mongolia were transported on a massive scale during the springtime, thus contributing to the high AOD in East Asia. However, whereas PM10 with diameters a parts per thousand currency sign10 mu m was the highest in February at Anmyon, Cheongwon, and Ulleung, located leeward about halfway through the Korean Peninsula, AOD rose to its highest in May. The growth of hygroscopic aerosols attendant on increases in relative humidity prior to the Asian monsoon season contributed to a high AOD level in May. AE typically appears at high levels (1.30 +/- 0.37) in August due to anthropogenic aerosols originating from the industrial areas in eastern China, while AOD stays low in summer due to the removal process caused by rainfall. The linear correlation coefficients of the MODIS AOD and ground-based mass concentrations of PM10 at Anmyon, Cheongwon, and Ulleung were measured at 0.4 similar to 0.6. Four cases (6 days) of mineral dustfall from sandstorms and six cases (12 days) of anthropogenically polluted particles were observed in the central area of the Korean Peninsula in 2009. PM10 mass concentrations increased at both Anmyon and Cheongwon in the cases of mineral dustfall and anthropogenically polluted particles. Cases of dustfall from sandstorms and anthropogenic polluted particles, with increasing PM10 mass concentrations, showed higher AOD values in the Yellow Sea region.


英文关键词Keywords MODIS AOD AE Mass concentration Mineral dustfall Anthropogenically polluted particle Correlation
类型Article
语种英语
国家South Korea
收录类别SCI-E
WOS记录号WOS:000312835300031
WOS关键词AIR-POLLUTION ; QUALITY ; THICKNESS ; TRANSPORT ; DEPTH ; PM2.5
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构Arizona State University
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/176972
作者单位1.Korea Ctr Atmospher Environm Res, Cheongwon 363891, Choongbuk, South Korea;
2.KARI, SIRI, Satellite Operat & Applicat Div, Taejon, South Korea
推荐引用方式
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Kim, Hak-Sung,Chung, Yong-Seung,Lee, Sun-Gu. Analysis of spatial and seasonal distributions of MODIS aerosol optical properties and ground-based measurements of mass concentrations in the Yellow Sea region in 2009[J]. Arizona State University,2013,185(1):369-382.
APA Kim, Hak-Sung,Chung, Yong-Seung,&Lee, Sun-Gu.(2013).Analysis of spatial and seasonal distributions of MODIS aerosol optical properties and ground-based measurements of mass concentrations in the Yellow Sea region in 2009.ENVIRONMENTAL MONITORING AND ASSESSMENT,185(1),369-382.
MLA Kim, Hak-Sung,et al."Analysis of spatial and seasonal distributions of MODIS aerosol optical properties and ground-based measurements of mass concentrations in the Yellow Sea region in 2009".ENVIRONMENTAL MONITORING AND ASSESSMENT 185.1(2013):369-382.
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