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A revisit to decadal change of aerosol optical depth and its impact on global radiation over China
Tang, WJ (Tang, Wenjun)1,2; Yang, K (Yang, Kun)1,2; Qin, J (Qin, Jun)1; Niu, XL (Niu, Xiaolei)1; Lin, CG (Lin, Changgui)3; Jing, XW (Jing, Xianwen)4; Tang, WJ
Source PublicationATMOSPHERIC ENVIRONMENT
2017
Volume150Issue:0Pages:106-115
DOI10.1016/j.atmosenv.2016.11.043
AbstractGlobal radiation over China decreased between the 1960s and 1990, since when it has remained stable. As the total cloud cover has continued to decrease since the 1960s, variations in aerosols were suggested in previous studies to be the primary cause for variations in global radiation over China. However, the effect of aerosols on global radiation on a decadal scale has not been physically quantified over China. In this study, aerosol optical depth (ADD) data since 1980 are estimated by combining horizontal visibility data at stations in China and AOD observed by the moderate resolution imaging spectroradiometer (MODIS). It is found that the AOD exhibits decadal changes, with two decreasing periods (before the end of 1980s and after 2006) and one increasing period (from 1990 to 2006). With the derived ADD, a clear sky model is then applied to quantify the role of aerosols in the variations in global radiation over China. The results show that aerosol direct effect cannot fully explain the decadal variations in the global radiation over China between 1980 and 2010, though it has a considerable effect on global radiation climatology. There are significant differences between the trends of clear-sky global radiation impacted by aerosols and those of all-sky global radiation impacted by aerosols and clouds, and the correlation coefficient for the comparison is very low. Therefore, the variations in all-sky global radiation over China are likely to be due to changes in cloud properties and to interactions between clouds and aerosols. (C) 2016 Elsevier Ltd. All rights reserved.
Subject Area自然地理学
WOS IDWOS:000392770700011
Language英语
Indexed BySCI
KeywordDIRECT SOLAR TRANSMITTANCE BROAD-BAND MODELS PAST 30 YEARS IRRADIANCE PREDICTIONS HYDROLOGICAL CYCLE SURFACE TRENDS CLIMATE CLOUD VISIBILITY
WOS Research AreaEnvironmental Sciences & Ecology; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences; Meteorology & Atmospheric Sciences ; Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
Cooperation Status国际
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8349
Collection图书馆
Corresponding AuthorTang, WJ
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
2.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
3.Univ Gothenburg, Dept Earth Sci, Reg Climate Grp, Gothenburg, Sweden.
4.China Meteorol Adm, Natl Climate Ctr, Lab Climate Studies, Beijing 100081, Peoples R China.
Recommended Citation
GB/T 7714
Tang, WJ ,Yang, K ,Qin, J ,et al. A revisit to decadal change of aerosol optical depth and its impact on global radiation over China[J]. ATMOSPHERIC ENVIRONMENT,2017,150(0):106-115.
APA Tang, WJ .,Yang, K .,Qin, J .,Niu, XL .,Lin, CG .,...&Tang, WJ.(2017).A revisit to decadal change of aerosol optical depth and its impact on global radiation over China.ATMOSPHERIC ENVIRONMENT,150(0),106-115.
MLA Tang, WJ ,et al."A revisit to decadal change of aerosol optical depth and its impact on global radiation over China".ATMOSPHERIC ENVIRONMENT 150.0(2017):106-115.
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