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Title: Modelling raindrop size distribution and Z(R) relations in the Western Mediterranean area
Author: Cerro, Carlos
Codina, Bernat
Bech, Joan
Lorente, Jeroni
Keywords: Mediterrània occidental
Precipitacions (Meteorologia)
Observacions meteorològiques
Western Mediterranean
Precipitations (Meteorology)
Meteorological observations
Issue Date: 1997
Publisher: American Meteorology Society
Abstract: This study shows the results of the modeling of drop size distributions (DSD) observed during a 2-yr study in Barcelona. Thirty-second individual sample collections of drop sizes and velocities were measured with an optical disdrometer and grouped into different classes according to their rain rate. Using the moments method, the entire experimental dataset was fitted to three standard distribution functions: exponential, gamma, and lognormal. Relationships were found between rain rate R and other moments of the DSD, such as optical attenuation S, liquid water content W, and reflectivity Z. Although gamma distribution generally reproduced experimental measurements more accurately, the Z(R) relationship, which is particularly relevant in radar meteorology, yielded the best results when calculated from fitted exponential distribution.
Note: Reproducció del document publicat a:<1470:MRSDAZ>2.0.CO;2
It is part of: Journal of Applied Meteorology, 1997, vol. 36, p. 1470-1479
Related resource:<1470:MRSDAZ>2.0.CO;2
ISSN: 0894-8763
Appears in Collections:Articles publicats en revistes (Física Aplicada)

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