气候与环境治理研究院
学校首页
今天是:
首页 >> 研究咨询 >> 智库视点 >> 正文
Increases in aerosol concentrations over eastern China due to the decadal-scale weakening of the Eas
发布日期:2017-05-24  浏览次数:  作者:Jianlei Zhu,Hong Liao and Jianping Li   来源:

China has been experiencing increased concentrations of aerosols, commonly attributed to the large increases in emissions associated with the rapid economic development.We show by using a chemical transport model driven by the assimilated meteorological fields that the observed decadal-scale weakening of the East Asian summer monsoon also contributed to the increases in aerosols in China. We find that the simulated aerosol concentrations have strong negative correlations with the strength of the East Asian Summer monsoon. Accounting for sulfate, nitrate, ammonium, black carbon, and organic carbon aerosols, the summer surface-layer PM2.5 concentration averaged over eastern China (110 –125 E, 20 –45 N) can be 17.7% higher in the weakest monsoon years than in the strongest monsoon years. The weakening of the East Asian Summer monsoon increases aerosol concentrations mainly by the changes in atmospheric circulation (the convergence of air pollutants) in eastern China. Citation: Zhu, J., H. Liao, and J. Li (2012), Increases in aerosol concentrations over eastern China due to the decadal-scale weakening of the East Asian summer monsoon, Geophys. Res. Lett.,39, L09809, doi:10.1029/2012GL051428.

论文链接:http://www.agu.org/pubs/crossref/2012/2012GL051428.shtml 


                         


Copyright © 气候与环境治理研究院 All Rights Reserved NUIST备80172

地址:江苏省南京市宁六路219号 气候与环境治理研究院 邮编:210044