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Title: Rain drop size distribution from radar reflectivity measurements
Authors: Mali, P
Sarkar, S K
Das, J
Keywords: Rain drop size;Rain rate;Radar reflectivity
Issue Date: Oct-2003
Publisher: NISCAIR-CSIR, India
Abstract: Rain drop size distribution (RDSD) is useful for estimation of attenuation of high frequency electromagnetic waves due to rain. In this paper, radar reflectivity (Z) obtained by using an X-band radar operating at ~9.4 GHz has been used for deducing the results on RDSD at different rain intensities in the range 50-150 mm/hr. The present results have been observed to match with the results obtained by other investigators by using distrometers for the same range of rain rates. The equation obtained for RDSD is of general type and it would satisfy RDSD for the other rain rates also, if the radar reflectivity (Z) is calibrated properly with various rain rates. The unique feature of this distribution equation has its direct application in radar reflectivity data and rain rate for RDSD.
Page(s): 296-300
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.32(5) [October 2003]

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