安徽及周边地区气溶胶时空特征及成因分析

被引：15

作者：

王浩洋

吴艳兰

机构：

[1] 安徽大学资源与环境工程学院

来源：

环境科学学报 | 2015年 / 35卷 / 07期

关键词：

MODIS; 气溶胶光学厚度(AOD); 安徽; 时空特征; 影响因素;

D O I：

10.13671/j.hjkxxb.2014.0998

中图分类号：

X513 [粒状污染物];

学科分类号：

0706 ; 070602 ;

摘要：

利用AERONET数据对2013年6月—2014年5月Aqua/MOIDS气溶胶产品在安徽及周边地区的适用性进行了验证,分析了气溶胶时空分布特征并讨论其影响因素.结果表明:MODIS AOD与AERONET数据在研究区具有很好的一致性,满足美国国家宇航局(NASA)的误差要求.时间上,安徽北部及中部春季、冬季AOD值较高,合肥-南京一带在冬季AOD值甚至高于0.9;研究区域整体在秋季达到AOD最低值.空间上,皖西、皖南山区和庐山等高海拔地区AOD较低,而处于山区间的沿江平原的AOD却明显升高,形成一个以沿江平原为高值中心的环形分布区.研究区域内AOD与能见度、相对湿度的相关性显著,风速对AOD有着先促进后抑制的影响,经济发展和人口分布对气溶胶的分布也有着明显的影响.

引用

页码：1972 / 1981

页数：10

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