Počet záznamů: 1
Radar-based summer precipitation climatology of the Czech Republic
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SYSNO ASEP 0476479 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Radar-based summer precipitation climatology of the Czech Republic Tvůrce(i) Bližňák, Vojtěch (UFA-U) RID, ORCID
Kašpar, Marek (UFA-U) RID, ORCID
Müller, Miloslav (UFA-U) RID, ORCIDCelkový počet autorů 3 Zdroj.dok. International Journal of Climatology. - : Wiley - ISSN 0899-8418
Roč. 38, č. 2 (2018), s. 677-691Poč.str. 15 s. Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova weather radar ; rain gauges ; adjustment ; precipitation climatology ; Czech Republic Vědní obor RIV DG - Vědy o atmosféře, meteorologie Obor OECD Meteorology and atmospheric sciences CEP GA17-23773S GA ČR - Grantová agentura ČR QJ1520265 GA MZe - Ministerstvo zemědělství Institucionální podpora UFA-U - RVO:68378289 UT WOS 000423816900012 EID SCOPUS 85022323715 DOI 10.1002/joc.5202 Anotace To assess the climatology of the Czech Republic (CR) with a high spatial (1 km) resolution, this study uses radar-based precipitation data collected over the summer seasons of a 10-year period (2002–2011). Radar reflectivity data were obtained from two C-band Doppler weather radars, integrated in time and merged with daily precipitation totals from rain gauge measurements. Using radar measurements, daily adjusted precipitation totals were later divided into 10-min precipitation totals that were continuously accumulated in a series of time windows ranging from 30 min to 24 h. This climatological analysis confirms that altitude substantially influences not only the spatial distribution of mean precipitation but also the spatial distribution of precipitation maxima as well as the diurnal cycle of precipitation in the CR. While the 24-h totals are generally maximal in mountains, mean and absolute seasonal maxima of short-term totals (up to 1 and 6 h, respectively) are detected in altitudes between 300 and 600 m a.s.l. Regarding the diurnal cycle, maximum frequency of precipitation occurs 2 h earlier in the mountains, whereas mean totals remain at the same level until 2100 UTC. The mean time during which precipitation maxima occur generally does not change with altitude. Nevertheless, a detailed regional study demonstrates that short-term precipitation maxima usually start earlier in the afternoon in and around mountainous regions. Long-term (mainly 6-h) precipitation maxima occur later than short ones but are substantially less concentrated in time, especially in the mountains. These differences between mountains and lowlands can be explained by smaller relative proportions and earlier onset of convective precipitation in mountains. Pracoviště Ústav fyziky atmosféry Kontakt Kateřina Adamovičová, adamovicova@ufa.cas.cz, Tel.: 272 016 012 ; Kateřina Potužníková, kaca@ufa.cas.cz, Tel.: 272 016 019 Rok sběru 2018 Elektronická adresa http://onlinelibrary.wiley.com/doi/10.1002/joc.5202/full
Počet záznamů: 1