中国水土保持科学2012,Vol.10Issue(5):24-30,7.
基于MODIS的中国陆地气溶胶光学厚度时空分布特征
Spatial and temporal distribution of aerosol optical depth in China based on MODIS
摘要
Abstract
Characteristics of spatial and temporal distribution and variation trends of aerosol optical depth ( A0D,on 550 nm) in China were analyzed by linear regression and correlation analysis in this paper with monthly mean data by the NASA MODIS08_C5 product from 2000 to 2008. The results indicate that the all-year high value of AOD occurred in the southern Sinkiang basin, the Yangtze river region and the Sichuan basin. There are significant differences in seasonal variation of AOD, but the trend was increased first and then decreased in most areas during the year. AOD reaches its maximum value in April. The monthly average of AOD and the sum occurrence times of sand-dust had an obvious relationship. The monthly occurrence frequency of dust and the monthly mean AOD showed a significant linear correlation where the dust occurred more than 10 times, otherwise there was no obvious relations between them.关键词
MODIS/气溶胶/光学厚度/沙尘/时空分布Key words
MODIS/ aerosol/ optical depth/ dust/ spatial and temporal distribution引用本文复制引用
单楠,杨晓晖,时忠杰,闫峰..基于MODIS的中国陆地气溶胶光学厚度时空分布特征[J].中国水土保持科学,2012,10(5):24-30,7.基金项目
林业公益性行业科研专项经费项目课题"荒漠生态系统沙尘生物地球化学循环功能评估技术"(201004010-08) (201004010-08)
林业公益性行业科研专项经费项目"高寒沙地防护林生态服务功能研究"(201204203) (201204203)
国家自然科学基金"基于小集水区的桉树人工林生态水文过程与模拟"(30700640) (30700640)