Analysis of Multi-angle Imaging SpectroRadiometer (MISR) aerosol optical depths over greater India during winter 2001-2004

被引：166

作者：

Di Girolamo, L

Bond, TC

Bramer, D

Diner, DJ

Fettinger, F

Kahn, RA

Martonchik, JV

Ramana, MV

Ramanathan, V

Rasch, PJ

机构：

[1] Univ Illinois, Dept Atmospher Sci, Urbana, IL 61801 USA

[2] Univ Illinois, Dept Civil & Environm Engn, Urbana, IL 61801 USA

[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[4] Scripps Inst Oceanog, Ctr Atmospher Sci, La Jolla, CA 92307 USA

[5] Natl Ctr Atmospher Res, Climat & Global Dynam Div, Boulder, CO 80307 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2004年 / 31卷 / 23期

关键词：

D O I：

10.1029/2004GL021273

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We present the first detailed spatial analysis of a four-year, wintertime visible aerosol optical depth (AOD) climatology from the Multi-angle Imaging SpectroRadiometer (MISR) over greater India. Meteorological fields from the National Centers for Environmental Prediction (NCEP) reanalysis, topographic data, and information related to aerosol source regions are used to explain the spatial patterns in MISR AODs. High AODs are found over much of greater India. The highest AODs are over the northern Indian state of Bihar, where we show that meteorology, topography, and aerosol sources all favor development of a concentrated pool of airborne particles. MISR AODs are validated against five ground-based sites in India and Nepal, revealing similar error characteristics found in other validation studies for the MISR aerosol product.

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页码：1 / 5

页数：5

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