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Global Change & Ecosystems
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SYSNO ASEP 0470782 Druh ASEP M - Kapitola v monografii Zařazení RIV C - Kapitola v knize Název Manifestations of climatic teleconnections in Czech drought characteristics Tvůrce(i) Mikšovský, Jiří (UEK-B) RID
Trnka, Miroslav (UEK-B) RID, ORCID, SAI
Brázdil, Rudolf (UEK-B) RID, SAI, ORCIDZdroj.dok. Global Change & Ecosystems, Climate change adaptation pathways from molecules to society, Volume 2. - Brno : Ústav výzkumu globální změny AV ČR, v. v.i., 2016 / Vačkář D. ; Janouš D. - ISBN 978-80-87902-17-2 Rozsah stran s. 15-26 Poč.str. 12 s. Poč.str.knihy 160 Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. CZ - Česká republika Klíč. slova Drought ; teleconnections ; forcings ; regression ; Czech Lands Vědní obor RIV DG - Vědy o atmosféře, meteorologie CEP LO1415 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Institucionální podpora RVO:67179843 - RVO:67179843 Anotace Occurrence and intensity of droughts are governed by a multitude of factors, including the effects of large scale weather and climate variability patterns. Of particular interest regarding the meteorological droughts are the manifestations of climate oscillatory modes, associated not only with atmospheric circulation, but also with ocean dynamics and their mutual interactions. Recent studies dealing with attribution of central European drought characteristics have highlighted several possible links to internal climate oscillations, originating from the nearby north Atlantic area, but also from the Pacific. In this study, the analysis of these teleconnections is further extended. Using multivariable regression analysis applied on indices expressing mid-term drought we demonstrate that prominence of components related to the phase of Pacific Decadal Oscillation generally surpasses that of El Niño – Southern Oscillation. It is also shown that noteworthy deviations from linearity exist in the drought responses, as revealed by dependence of the regression coefficients on the phase of the oscillations. Altogether, our results confirm the potentially high relevance of trans-planetary teleconnections in the context of central European climate, and they also encourage future attention to the nonlinearities in the responses to the climate drivers. Pracoviště Ústav výzkumu globální změny Kontakt Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Rok sběru 2017
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