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Title: Water soluble components of dry deposition at Delhi
Authors: Kulshrestha, Monika J
Kulshrestha, Umesh C
Sarkar, A K
Parashar, D C
Vairamani, M
Issue Date: Jun-2002
Publisher: NISCAIR-CSIR, India
Abstract: Dry deposition rates of major water soluble components, namely CI, NO3, SO4, NH4, Na, K, Ca and Mg, are estimated at National Physical Laboratory, New Delhi. The pH of water soluble fraction of dry deposition samples has been observed to lie between 5.8 and 8.0 at this site which is in agreement with soil pH of this region. It suggested that dry deposition is mainly dominated by soil-derived particles which add higher alkalinity due to presence of components like Na, K, Ca, etc. Dry deposition rates are found to be maximum for Ca. In general, the dry deposition rates are highest in summer, moderate in winter and lowest in monsoon.
Page(s): 151-154
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.31(3) [June 2002]

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