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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
The contribution of anticyclonic circulation to the asymetry of day-to-day temperature changes distribution
 Piskala, Vladimír ; Huth, Radan (advisor) ; Müller, Miloslav (referee)
The statistical distribution of daily changes in temperature is not symmetrical, and also the day-to-day temperature changes distribution varies for winter and summer. The aim of submitted thesis is to connect the asymmetry of distribution with physical causes. Specifically, the aim is to check the following hypothesis: the more frequent occurrence of coolings up to -3 řC in winter a heatings up to 3 řC in summer is associated with radiation balance during the anticyclonic flow over Central Europe. The relationship of day-to-day temperature changes with passages of atmospheric fronts is also described. Temperature changes in winter (December - February) are calculated from minimum temperatures while in summer (June - August) maximum temperatures are used. The study period covers years between 1961 and 1998. The Hess-Brezowsky catalogue of weather types, the HMÚ classification and selected classifications of COST733 database are used for description of circulation conditions in Central Europe. The connection of anticyclonic flow with frequent coolings in winter was not proved. On the other hand, in summer, the association between frequent warmings and anticyclonic flow was confirmed. In addition, the advection of cold air in winter and warm air in summer also contributes to asymmetry of the...
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