Impact of emissions from anthropogenic sources on satellite-derived reflectance |
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Authors: | KVS Badarinath Anu Rani Sharma Shailesh Kumar Kharol |
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Institution: | Atmospheric Science Section, National Remote Sensing Centre, Department of Space-Government of India, Balanagar, Hyderabad 500 037, India |
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Abstract: | The present study deals with the impact of extensive anthropogenic activities associated with festivities and agricultural crop residues burning in the Indo-Gangetic Plains (IGP) on satellite-derived reflectance during November 2007. Intense smoke plumes were observed in the IRS-P4 OCM satellite data over IGP associated with agricultural crop residue burning during the study period. Terra-MODIS AOD and CALIPSO LIDAR backscatter datasets were analysed over the region to understand the spatial and temporal variation of the aerosol properties. Ground-based measurements on aerosol optical properties and black carbon (BC) mass concentration were carried out during 7–14 November 2007 over urban region of Hyderabad, India. Top of the Atmosphere (TOA) reflectance estimated from IRS-P4 Ocean Color Monitor (OCM) data showed large variations due to anthropogenic activities associated with crop residue burning and fireworks. Atmospheric corrections to OCM satellite data using 6S radiative transfer code with inputs from ground and satellite measurements could account for the variations due to differential aerosol loading. Results are discussed in this paper. |
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Keywords: | Agriculture residue burning Diwali fireworks 6S Aerosol Smoke LIDAR |
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