The Impact of Winter Heating on Air Pollution in China

被引:119
作者
Xiao, Qingyang [1 ]
Ma, Zongwei [1 ,2 ]
Li, Shenshen [1 ,3 ,4 ]
Liu, Yang [1 ]
机构
[1] Emory Univ, Rollins Sch Publ Hlth, Dept Environm Hlth, Atlanta, GA 30322 USA
[2] Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210008, Jiangsu, Peoples R China
[3] Chinese Acad Sci, Jointly Sponsored Inst Remote Sensing Applicat, State Key Lab Remote Sensing Sci, Beijing, Peoples R China
[4] Beijing Normal Univ, Beijing 100875, Peoples R China
来源
PLOS ONE | 2015年 / 10卷 / 01期
关键词
SOURCE APPORTIONMENT; LIFE EXPECTANCY; PM2.5; AEROSOL;
D O I
10.1371/journal.pone.0117311
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Fossil-fuel combustion related winter heating has become a major air quality and public health concern in northern China recently. We analyzed the impact of winter heating on aerosol loadings over China using the MODIS-Aqua Collection 6 aerosol product from 2004-2012. Absolute humidity (AH) and planetary boundary layer height (PBL)-adjusted aerosol optical depth (AOD*) was constructed to reflect ground-level PM2.5 concentrations. GIS analysis, standard statistical tests, and statistical modeling indicate that winter heating is an important factor causing increased PM2.5 levels in more than three-quarters of central and eastern China. The heating season AOD* was more than five times higher as the nonheating season AOD*, and the increase in AOD* in the heating areas was greater than in the non-heating areas. Finally, central heating tend to contribute less to air pollution relative to other means of household heating.
引用
收藏
页数:11
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