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Chemical composition of size-separated aerosols at two rural locations in the Himalayan region

Safai, PD and Rao, PSP and Momin, GA and Ali, K and Tiwari, S and Naik, MS and Kuniyal, JC (2002) Chemical composition of size-separated aerosols at two rural locations in the Himalayan region. Indian Journal of Radio and Space Physics, 31 (5). pp. 270-277.

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Abstract

Size-separated atmospheric aerosols were collected at Kothi (a hill top) and Mohal (a valley), situated at the foothills of western Himalayas during the summer season of 1999. Bimodal distribution of aerosols was observed at both the locations. However, at Kothi, fine size particles dominated (62), whereas at Mohal, coarse size panicles contributed more (75). The SO 4 and NO 3 particles together contributed 30 of the total measured chemical composition of aerosols. Burning of biomass and emissions from tourist vehicles could be the main local sources for these components. However, aerosols showed alkaline nature (ΣΣ + ratio < 1) due to the neutralizing effect of some cations such as Ca and NH 4.

Item Type: Article
Additional Information: Copyright of this article belongs to NISCAIR
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 24 Apr 2015 14:04
Last Modified: 24 Apr 2015 14:04
URI: http://moeseprints.incois.gov.in/id/eprint/1523

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