Differential reflectivity and circular depolarization ratio radar signals and related drop oscillation and propagation effects in rainfall
作者:
T. A. Seliga,
K. Aydin,
V. N. Bringi,
期刊:
Radio Science
(WILEY Available online 1984)
卷期:
Volume 19,
issue 1
页码: 81-89
ISSN:0048-6604
年代: 1984
DOI:10.1029/RS019i001p00081
数据来源: WILEY
摘要:
Differential reflectivity (ZDR) and circular depolarization ratio (CDR) radar signals are directly related to each other and to the median drop size diameter of rainfall when the drop sizes are exponentially distributed. These polarization parameters are examined for both static and oscillating raindrop shapes along with their relationships with rainfall rate and liquid water content estimates derived from ZDRor CDR and reflectivity factor (Z) measurements. Propagation effects atSband wavelengths are also considered and shown to be particularly important in CDR measurements.
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