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Planetary Boundary Layer and aerosol interactions over the Indian sub-continent

Patil, MN and Patil, SD and Waghmare, RT and Dharmaraj, T (2014) Planetary Boundary Layer and aerosol interactions over the Indian sub-continent. Journal of Atmospheric and Solar-Terrestrial Physics, 112. pp. 38-42.

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Abstract

Aerosols, both natural as well as anthropogenic, affect the radiative forcing of EarthU+05F3s climate and reduce surface albedo. The Planetary Boundary Layer (PBL) height, which depends upon surface heat budget, is analyzed considering the increase in green house gases (GHGs) from pre-industrial to post-industrial era. The PBL climatology shows deeper PBL during pre-monsoon and summer monsoon seasons as compared to post-monsoon and winter. The PBL height has decreased in post-industrial decade compared to pre-industrial decade. The PBL height reduction is due to increasing aerosol and GHGsU+05F3 concentrations in the recent decades, which causes surface warming and upper tropospheric cooling. Similarly, due to higher loading of the volcanic aerosol injected from the low latitude eruptions, the atmospheric circulation has been affected.

Item Type: Article
Additional Information: Copyright of this article belongs to Elsevier
Uncontrolled Keywords: Atmospheric circulation; Height reduction; Indian summer monsoon; Planetary boundary layers; Radiative forcings; Surface heat budget; Surface warming; Volcanic aerosols, Aerosols; Atmospheric radiation; Atmospheric thermodynamics; Climatology; Earth (planet); Greenhouse gases; Industry, Loading
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 08 Dec 2014 10:28
Last Modified: 08 Dec 2014 10:28
URI: http://moeseprints.incois.gov.in/id/eprint/894

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