National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Tornadoes in the Czech Republic
Šáfrová, Martina ; Zacharov, Petr (advisor) ; Bližňák, Vojtěch (referee)
The Bachelor work is devoted to the task of occurance the tornado over our territory. The goal of the work is on the basis of available czech and foreing literature to make acquaintance with the pesent physique knowledge of organised convection rise and tornado formation. The second goal was to show overview of tornado rise during the last ten years and introduct several tornado rise studyings. There were calculated precursors of strong convection for these rise studyings and there values were discussed in the work. Key words: tornado, convection, precursors of convection, vorticity
Modelling of exoplanetary atmospheric circulation
Novák, Jiří ; Brechler, Josef (advisor) ; Halenka, Tomáš (referee)
In this thesis we study the properties of exoplanetary atmospheres. The first part describes methods for searching exoplanets, statistics of discovered exoplanets and the sampling factors. The second part describes the properties of chosen planets and moons in the Solar system (Venus, Mars and Titan) and also possible properties of the exoplanetary atmospheres that are only briefly understood. The third part describes the atmospheric models which incorporate a full 3D model of the atmosphere, and a shallow- water model. We also show the results of exoplanetary atmospheric models published in the scientific journals. This part also describes the icosahedral geodetic grid that is advantageous for the global climatic models, and also discretisation on sphere and the application of the operators (gradient, divergence, vorticity) on geodetic grid. The last part is about creating program for global shallow water model in divergence-vorticity variables with forcing system with using icosahedral geodetic grid - we describe technical properties connected with model creating, parameters which the model uses during time integration, geographic system for results display and we show results for various kinds of extrasolar planets and planets in the Solar system. We used several numerical tests for testing model...

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