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Influence of atmospheric pollutants on cloud microphysics and rainfall

Khemani, LT and Momin, GA and Naik, MS (1987) Influence of atmospheric pollutants on cloud microphysics and rainfall. Boundary-Layer Meteorology, 41 (1-4). pp. 367-380.

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Abstract

For investigating the physical reasons for the observed increase in rainfall, field observational programmes have been undertaken in the upwind and downwind of industrial complexes of the Bombay region. During these programmes, surface observations of trace gases ( SO2 and NOx), giant size hygroscopic and nonhygroscopic aerosols and rain water samples have been made in the years 1972, 1973 and 1974. Aircraft observations of trace gases (SO2 and NH3), giant size aerosols, cloud condensation nuclei as well as of cloud liquid water content, cloud droplet spectra and temperature have been made on limited days during August 1974. Results of the analysis of the surface and aircraft observations have indicated that the chemical, thermal and microphysical conditions of clouds are markedly different in the upwind and downwind regions of the industrial complexes in the Bombay region. It is hypothesised that observed increase in rainfall in the region following the industrialisation is due to the differences in the chemical and physical conditions in the downwind clouds.

Item Type: Article
Additional Information: Copyright of this article belongs to Kluwer Academic
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 02 May 2015 09:32
Last Modified: 02 May 2015 09:32
URI: http://moeseprints.incois.gov.in/id/eprint/1193

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