Characteristics of black carbon over Delhi and Manora Peak—a comparative study

Atmospheric Science Letters - Tập 13 Số 3 - Trang 223-230 - 2012
A. K. Srivastava1, Sachchidanand Singh2, P. Pant3, U.C. Dumka3
1Indian Institute of Tropical Meteorology (Branch), Prof. Ramnath Vij Marg, New Delhi, India
2National Physical Laboratory, Dr R. Krishnan Marg, New Delhi, India
3Aryabhatta Research Institute of Observational Sciences, Manora Peak, Nainital, India

Tóm tắt

AbstractThe characteristics of aerosol black carbon (BC) were studied at two different climatic regimes, i.e. Delhi and Manora Peak during winter and spring of 2007. Spring BC was found to be ∼59% lower at Delhi and ∼23% higher at Manora Peak than their corresponding winter BC. Diurnal BC variation showed two enhanced peaks at Delhi (morning and night) whereas a single late afternoon peak at Manora Peak. Delhi BC showed a clear correlation with prevailing winds whereas no correlation was observed at Manora Peak. The major contribution of BC at Manora Peak can be expected from biomass burning while at Delhi fossil fuel dominates. Copyright © 2012 Royal Meteorological Society

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Atmospheric Science Letters

Tập 13 Số 3

223-230

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