Subtitle:

Przegląd Geograficzny T. 96 z. 4 (2024)

Publisher:

IGiPZ PAN

Place of publishing:

Warszawa

Description:

24 cm

Abstract:

Meteorological radar measurements provide precipitation data to a high level of spatial resolution, which are particularly needed for hydrodynamic modeling in urbanized areas. The main limitation in the estimation of precipitation using radars is attributed to the high variability of the Z-R relationship (i.e. between values for reflectivity and intensity of precipitation) in time and space. Measurements using a laser disdrometer (Parsivel1) located at the Meteorological Station of Warsaw University of Life Sciences, carried out in the years 2012–2014 and 2019–2020 (in the April-October periods), allowed to collect data enabling the determination of the Z-R relationships of the power type (parameters a and b) in relation to individual months. The work carried out identified significant differences among noted values for the parameter a (the multiplier in the Z-R relationships) for individual months, which justifies a need to take into account in the calibration procedure of radars variable Z-R relationships. It was found that there is a strong correlation (R = 0.70) between the a parameter in the Z-R relationships and the average monthly reflectivity of precipitation, the values of which were measured using the disdrometer. The results of the studies described here contribute to improve the accuracy of estimates of amounts of precipitation derived from radars.

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Relation:

Przegląd Geograficzny

Volume:

96

Issue:

4

Start page:

447

End page:

458

Detailed Resource Type:

Article

Format:

application/octet-stream

Resource Identifier:

oai:rcin.org.pl:243832 ; 0033-2143 (print) ; 2300-8466 (on-line) ; 10.7163/PrzG.2024.4.2

Source:

CBGiOS. IGiPZ PAN, sygn.: Cz.181, Cz.3136, Cz.4187 ; click here to follow the link

Language:

pol

Language of abstract:

eng

Rights:

Creative Commons Attribution BY 4.0 license

Terms of use:

Copyright-protected material. [CC BY 4.0] May be used within the scope specified in Creative Commons Attribution BY 4.0 license, full text available at: ; -

Digitizing institution:

Institute of Geography and Spatial Organization of the Polish Academy of Sciences

Original in:

Central Library of Geography and Environmental Protection. Institute of Geography and Spatial Organization PAS

Projects co-financed by:

Programme Innovative Economy, 2010-2014, Priority Axis 2. R&D infrastructure ; European Union. European Regional Development Fund

Access:

Open