Open AccessRadiative Forcing of Black Carbon over Delhi
Author(s) -
Divya E. Surendran,
Gufran Beig,
Sachin D. Ghude,
A. S. Panicker,
M. G. Manoj,
D. M. Chate,
Kaushar Ali
Publication year - 2013
Publication title -
international journal of photoenergy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.426
H-Index - 51
eISSN - 1687-529X
pISSN - 1110-662X
DOI - 10.1155/2013/313652
Subject(s) - radiative forcing , radiative transfer , environmental science , atmospheric sciences , new delhi , forcing (mathematics) , carbon black , mean value , geography , climatology , meteorology , physics , mathematics , chemistry , aerosol , statistics , geology , natural rubber , metropolitan area , archaeology , quantum mechanics , organic chemistry
The radiative effects of black carbon (BC) aerosols over New Delhi, the capital city of India, for the period August 2010–July 2011, have been investigated using Santa Barbara DISTORT Atmospheric Radiative Transfer (SBDART) model in the present paper. The monthly mean BC concentrations in Delhi, an urban location, vary in between 15.935 ± 2.06 μg m−3 (December 2010)–2.44 ± 0.58 μg m−3 (July 2011). The highest value for monthly mean BC forcing has been found to be in November 2010 (66.10 ± 6.86 Wm−2) and the lowest in July 2011 (23 ± 3.89 Wm−2). Being the host city for the XIX Commonwealth Games (CWG-2010), government of Delhi set up a plan to reduce emissions of air pollutants during Games, from 03 October to 14 October, 2010. But opposite to the expectations, the emission controls implemented were not sufficient to reduce the pollutants like black carbon (BC), and therefore relatively a high value of BC radiative forcing (44.36 ± 2.4) was observed during the month of October 2010
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