On improved Z-R Relation Derived from Czech Distrometer Data

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25530%2F23%3A39920248" target="_blank" >RIV/00216275:25530/23:39920248 - isvavai.cz</a>
Result on the web
<a href="https://ieeexplore.ieee.org/document/10221557/references#references" target="_blank" >https://ieeexplore.ieee.org/document/10221557/references#references</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/PIERS59004.2023.10221557" target="_blank" >10.1109/PIERS59004.2023.10221557</a>

Result language
angličtina
Original language name
On improved Z-R Relation Derived from Czech Distrometer Data
Original language description
The contribution deals with the analysis of DSD (Drop Size Distribution) data measured by the videodistrometer, which is operated by the Institute of the Atmospheric Physics of Czech Academy in Prague.The radar reflectivity factor and rain intensity are precisely calculated from the measured DSDs through pertinent formulas. Using the regression method, we then looked for a power law relation between these quantities, which would better suit the Czech climate conditions than the more general published relationships. After finding a relationship for all DSDs analysed one-minute DSDs, we then classified the rains according to the rain intensity (above and below 5 mm/h). We further categorized rains as the stratiform and convective types. For this, we used 3 criteria that are based on DSD parameters of analytical approximations. We have come to the conclusion that if we know more about the rain (whether it is convective or stratiform), we can determine the approximate relationship between the radar reflectivity factor and the intensity of rain more accurately. After 3 criteria we used, rain categorization appears to be the most accurate according to J. Testud's criterion.
Czech name
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Czech description
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Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
2023 PhotonIcs & Electromagnetics Research Symposium (PIERS) : proceedings
ISBN
979-8-3503-1285-0
ISSN
2831-5790
e-ISSN
2831-5804
Number of pages
6
Pages from-to
"2156 "- 2160
Publisher name
IEEE (Institute of Electrical and Electronics Engineers)
Place of publication
New York
Event location
Praha
Event date
Jul 3, 2023
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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