Aerosol optical depth over Europe in August 1997 derived from ATSR-2 data.

被引：38

作者：

Gonzalez, CR ^{[1
]}

Veefkind, JP ^{[1
]}

de Leeuw, G ^{[1
]}

机构：

[1] TNO, Phys & Elect Lab, NL-2509 JG The Hague, Netherlands

来源：

GEOPHYSICAL RESEARCH LETTERS | 2000年 / 27卷 / 07期

关键词：

Atmospheric aerosols;

D O I：

10.1029/1999GL010962

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Data from the Along Track Scanning Radiometer 2 (ATSR-2) on board the European ERS-2 satellite have been used to derive the spatial distribution of the aerosol optical depth (AOD) over Europe for August 1997. The AOD was retrieved in cloud-free areas using the dual view algorithm. The results agree with co-located ground based sun-photometer data within 0.1. The AOD from ATSR-2 with a resolution of 1 x 1 km(2) were averaged on a grid of 0.1 degrees x 0.1 degrees, to produce daily maps of the spatial aerosol distribution over Europe. A composite map of AOD over Europe was constructed by averaging all daily maps for August 1997. This composite map shows large spatial AOD gradients with variations of a factor of 3 over a few hundreds of kilometers. The AOD at 0.555 mu m for relatively clean areas is around 0.1 while in strong industrialised areas the AOD can be 0.5 or higher.

引用

页码：955 / 958

页数：4

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