Role of sectoral and multi-pollutant emission control strategies in improving atmospheric visibility in the Yangtze River Delta, China

被引：23
作者：
Huang, Kan [1 ,2 ]
Fu, Joshua S. [1 ]
Gao, Yang [1 ,3 ]
Dong, Xinyi [1 ]
Zhuang, Guoshun [2 ]
Lin, Yanfen [2 ]
机构：
[1] Univ Tennessee, Dept Civil & Environm Engn, Knoxville, TN 37996 USA
[2] Fudan Univ, Dept Environm Sci & Engn, Ctr Atmospher Chem Study, Shanghai 200433, Peoples R China
[3] Pacific NW Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA
来源：
ENVIRONMENTAL POLLUTION | 2014年 / 184卷
基金：
中国国家自然科学基金;
关键词：
Visibility; Multi-pollutant control; CMAQ simulation; AIR-QUALITY; TRENDS; EXTINCTION; APPORTIONMENT; SHANGHAI; IMPACT; REGION;
D O I：
10.1016/j.envpol.2013.09.029
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The Community Multi-scale Air Quality modeling system is used to investigate the response of atmospheric visibility to the emission reduction from different sectors (i.e. industries, traffic and power plants) in the Yangtze River Delta, China. Visibility improvement from exclusive reduction of NOx or VOC emission was most inefficient. Sulfate and organic aerosol would rebound if NOx emission was exclusively reduced from any emission sector. The most efficient way to improve the atmospheric visibility was proven to be the multi-pollutant control strategies. Simultaneous emission reductions (20-50%) on NOx, VOC and PM from the industrial and mobile sectors could result in 0.3-1.0 km visibility improvement. And the emission controls on both NOx (85%) and SO2 (90%) from power plants gained the largest visibility improvement of up to 4.0 km among all the scenarios. The seasonal visibility improvement subject to emission controls was higher in summer while lower in the other seasons. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：426 / 434
页数：9
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