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1篇 您的检索式:作者名="Jinabin Gu"
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1Satellite record of the transition of air quality over China显示文摘The rapid development of atmospheric satellite instruments since 1990s provides unprecedented large amount of observational datasets concerning global atmospheric pollutants.The continu-ous and long-term large-scale satellite products such as aerosol optical depth,tropospheric NO 2 and SO 2 enable effective and objective evaluation of air quality.Satellite columnar aerosol opti-cal parameters can be used to indicate particle pollution near surface after correction.By contrast,satellite results of trace gas pollutants such as NO 2 and SO 2 from fossil fuel combustion with short lifetime around half one day are used to estimate anthro-pogenic emissions.It is shown that the overall anthropogenic emissions in China have largely declined since strict emission reduction policy implemented since 2013.However,coarse pixel resolution of the trace gases,limited information and retrieval bias of aerosol properties tend to hinder further application of satellite in air quality research.Recently launched satellite missions with advanced detection abilities will greatly enhance global atmo-spheric observations with much more datasets available.Liangfu Chen Minghui Tao Zifeng Wang Jinhua Tao Chao Yu Ying Zhang Meng Fan Jinabin Gu Lin Su 2018Big Earth Data2018,2,2:0
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