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Adaptive Determination of Maximum Diameter of Rain drops from ZDR
Yuji OHSAKI Kenji NAKAMURA
IEICE TRANSACTIONS on Communications
Publication Date: 1996/06/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Weather Radar Technology)
ZDR, Dmax, dual-polarization rain radar, raindrop size distribution, and distrometer,
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A maximum diameter (Dmax) of raindrop should be assumed when rainfall rate (R) is estimates from the differential reflectivity (ZDR) and the horizontal reflectivity (ZH) measured with dual-polarization radar. If the assumed Dmax is different from actual Dmax, the estimated R contains errors. Using distrometer data, it was found that ZDR correlates with Dmax, and it was verified that when Dmax is adaptively determined by an empirical relationship between ZDR and Dmax, errors in estimated R can be reduced.