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Vertical profile of aerosol single scattering albedo over west coast of India during W_ICARB

Babu, S Suresh and Sreekanth, V and Nair, Vijayakumar S and Satheesh, SK and Moorthy, K Krishna (2010) Vertical profile of aerosol single scattering albedo over west coast of India during W_ICARB. In: Journal of Atmospheric and Solar-Terrestrial Physics, 72 (11-12). pp. 876-882.

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Official URL: http://dx.doi.org/10.1016/j.jastp.2010.04.013

Abstract

Altitude profile of aerosol Single Scattering Albedo (SSA), derived from simultaneous in-situ airborne measurements of the coefficients of aerosol absorption and scattering off the west coast of India over the Arabian Sea (AS), during January 2009 is presented. While both the absorption and scattering coefficients decreased with altitude, their vertical structure differed significantly. Consequently, the derived SSA, with a surface value of 0.94, decreased with altitude, illustrating increasing relative dominance of aerosol absorption at higher altitudes. Altitude profile of SSA, when examined in conjunction with that of hemispheric backscatter fraction, revealed that the continental influence on the aerosol properties was higher at higher altitude, rather than the effect of marine environment. During an east-west transect across the peninsular India at an altitude of similar to 2500 m (free troposphere), it was found that the aerosol scattering coefficients remained nearly the same over both east and west coasts. (C) 2010 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Tropospheric aerosols;Single scattering albedo;Altitude profiles; ICARB.
Department/Centre: Division of Earth and Environmental Sciences > Divecha Centre for Climate Change
Division of Mechanical Sciences > Centre for Atmospheric & Oceanic Sciences
Date Deposited: 16 Aug 2010 11:51
Last Modified: 10 Jun 2011 06:02
URI: http://eprints.iisc.ernet.in/id/eprint/31041

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