Aerosol trends over China, 1980-2000

被引:146
作者
Streets, David G. [1 ]
Yu, Carolyne [1 ]
Wu, Ye [2 ]
Chin, Mian [3 ]
Zhao, Zongci [4 ]
Hayasaka, Tadahiro [5 ]
Shi, Guangyu [6 ]
机构
[1] Argonne Natl Lab, Dept Informat & Decis Sci, Argonne, IL 60439 USA
[2] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA
[3] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[4] China Meteorolog Adm, Natl Climate Ctr, Beijing 100871, Peoples R China
[5] Natl Inst Humanities, Res Inst Humanity & Nat, Kita Ku, Kyoto 6038047, Japan
[6] Chinese Acad Sci, Inst Atmospher Phys, Beijing 100029, Peoples R China
基金
美国国家航空航天局;
关键词
aerosols; China; solar radiation; climate change;
D O I
10.1016/j.atmosres.2007.10.016
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
Annual emission trends of sulfur dioxide, black carbon, and organic carbon are presented for East Asia for the period 1980-2000. Emissions of sulfur dioxide peaked in about 1996, and emissions of the carbonaceous aerosols peaked in about 1994-1995, due to a variety of economic, environmental, and social forces. These emissions are converted to their contributions to aerosol optical depth (AOD) over East Asia, using regional results from the GOCART global chemical transport model. We calculate that, on average, AOD over China rose from a value of 0.25 in 1980, peaked at a value of about 0.305 in 1995-1996, and then decreased to about 0.29 in 2000. This trend is consistent with surface shortwave irradiance measurements at 52 weather stations in China, as well as with other radiation-related trends. It may also be consistent with a rise in mean surface temperatures in China starting about the middle of the 1990s. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:174 / 182
页数:9
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