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Time variation of the effect of geographical factors on spatial distribution of summer precipitation over the Czech Republic
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SYSNO ASEP 0360934 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Time variation of the effect of geographical factors on spatial distribution of summer precipitation over the Czech Republic Author(s) Moliba Bankanza, Jacques Celestin (UFA-U) RID Source Title Idöjárás. Quarterly journal of the Hungarian meteorological society - ISSN 0324-6329
Roč. 115, 1-2 (2011), s. 51-70Number of pages 20 s. Language eng - English Country HU - Hungary Keywords multivariate regression ; precipitation models ; summer precipitation ; geographic influence ; environmental variables ; temporal variability ; Czech Republic Subject RIV DG - Athmosphere Sciences, Meteorology CEZ AV0Z30420517 - UFA-U, BC-A (2005-2011) UT WOS 000291351700005 Annotation This study deals with modeling of spatial distribution of summer precipitation over the Czech Republic. The aim is to analyze the time variation of the relationships between geographical factors and precipitation during summer. Various candidate geographical predictors are evaluated in the stepwise regression models for summer precipitation. The most significant for precipitation regression models have been selected using PCA and STW approaches. Multivariate regression precipitation models are generated for each year, and each overlapping decade from 1971 to 2003 using them as predictors. Linear trends in regression coefficients are estimated using a least-squares regression to detect the possible changes in relationships between summer precipitation and geographical variables. No significant trend has been found during 1971-2003. Therefore, the relationships between these significant predictors and precipitation are stable in time. Workplace Institute of Atmospheric Physics Contact Kateřina Adamovičová, adamovicova@ufa.cas.cz, Tel.: 272 016 012 ; Kateřina Potužníková, kaca@ufa.cas.cz, Tel.: 272 016 019 Year of Publishing 2012 Electronic address http://owww.met.hu/download.php?id=2&vol=115&no=1-2&a=4
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