Journal article
Precipitation Type Specific Radar Reflectivity-Rain Rate Relationships for Warsaw, Poland
Acta geophysica, Vol.64(5), pp.1840-1857
10/01/2016
DOI: 10.1515/acgeo-2016-0071
Abstract
Implementation of weather radar precipitation estimates into hydrology, especially urban hydrology practice in Poland, requires the introduction of more precise radar reflectivity
rain rate (Z-R) relationships accounting for drop size distribution (DSD) specific for different precipitation phases. We explored the development of precipitation type dependent Z-R relationship on the basis of approximately two years of DSD recordings at high temporal resolution of ten seconds. We divided the recorded data into four separate precipitation-type groups: rain, snow, rain-with-snow, and hail. The Z-R relationships for rain and rain-with-snow showed a strong resemblance to the well-known Marshall-Palmer Z-R power-type relationship for rain. In the case of snowfall, we found that both the multiplication factor and the exponent coefficients in the Z-R formula have smaller values than for rain. In contrast, for hail precipitation these parameters are higher than for rain, especially the multiplication factor.
Details
- Title: Subtitle
- Precipitation Type Specific Radar Reflectivity-Rain Rate Relationships for Warsaw, Poland
- Creators
- Paweł Licznar - Wrocław University of Science and TechnologyWitold F Krajewski - University of Iowa
- Resource Type
- Journal article
- Publication Details
- Acta geophysica, Vol.64(5), pp.1840-1857
- DOI
- 10.1515/acgeo-2016-0071
- ISSN
- 1895-6572
- eISSN
- 1895-7455
- Publisher
- De Gruyter
- Number of pages
- 18
- Language
- English
- Date published
- 10/01/2016
- Academic Unit
- Civil and Environmental Engineering
- Record Identifier
- 9984197203102771
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