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Variations in the atmosphere electric field and meteorological parameters at a tropical coastal urban station during 1936-40 and 1962-66

Selvam, AM and Vijayakumar, R and Murty, ASR (1993) Variations in the atmosphere electric field and meteorological parameters at a tropical coastal urban station during 1936-40 and 1962-66. Theoretical and Applied Climatology, 48. pp. 15-22.

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Abstract

The seasonal and diurnal variations in the vertical component of the atmospheric electric field, air temperature, relative humidity and horizontal wind speed were studied using the surface data for the two periods (1936–40) and (1962–66) recorded at the tropical urban station, Colaba, Bombay (18°51′N, 72°49′E, 11 m ASL), located on the west coast of India. The atmospheric electric field during the latter period (1962–66) is significantly higher (up to 42.3%) than the earlier period (1936–40). This has been attributed to the enhanced particulate concentrations in the atmosphere. The increase noticed in the atmospheric electric field is a maximum during winter and minimum during the monsoon. The atmospheric electric field exhibited a marked semi-diurnal oscillation with peaks at 0900 LST and 2200 LST during winter, premonsoon and post-monsoon seasons of both the periods. During the monsoon season the double oscillation is not marked.

Item Type: Article
Additional Information: Copyright of this article belongs to Springer-Verlag
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 11 Jun 2016 08:21
Last Modified: 11 Jun 2016 08:21
URI: http://moeseprints.incois.gov.in/id/eprint/3919

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