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Kumar, S; Kumar, S; Singh, AK; Singh, RP (2012). Seasonal variability of atmospheric aerosol over the North Indian region during 2005-2009. ADVANCES IN SPACE RESEARCH, 50(9), 1220-1230.

Abstract
The Indo-Gangetic basin (IGB) extends 2000 km in length along NW-SE and has 400 km width, in the north the basin is bounded by towering Himalaya. High aerosol optical depth (AOD) is observed over the IGB throughout the year. The Himalaya restricts the transport of aerosols across Tibet and China. We have used ground based Kanpur and Gandhi College Aerosol Robotic Network (AERONET) stations and Multiangle Imaging SpectroRadiometer (MISR) and Moderate Resolution Imaging Spectroradiometer (MODIS) Terra level-3 AOD products for the years 2005-2009 to study the variability of aerosol over the Indo-Gangetic (IG) plains. An increase in both satellite-derived as well as ground observed aerosol loading during 2005-2009 has been found over major cities located in the IG plains. The correlation coefficients between AERONET and MISR data are found to be 0.70, 0.36 0.82, in contrast the correlation coefficients between AERONET and MODIS 0.49, 0.68, and 0.43, respectively during summer, winter and monsoon seasons. The AOD estimation using MISR is found to be close to AERONET data during summer and monsoon seasons, in contrast MODIS estimation is better during winter season. (c) 2012 COSPAR. Published by Elsevier Ltd. All rights reserved.

DOI:
0273-1177

ISSN:
10.1016/j.asr.2012.06.022

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