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Duration of faling precipitations, fog and mist as factor influencing the timing of vacances
Kothan, Filip ; Sládek, Ivan (advisor) ; Lhotka, Ondřej (referee)
The aim of this paper is to determine suitable term of summer holidays. It should be as long as current holidays in Czech republic, it means 62 days. The paper builds on the bachelor's thesis titled "Optimal timing of summer vacances with regard to climate". The convenient term has been evaluated on basis of characteristics of air temperature, duration of sunshine and the length of day there in the bachelor's thesis. This paper contains the analysis of duration of rain, showers, drizzle, fog and mist. Thus, several terms have been found in both papers. But these are suitable with regard to only one meteorological element or phenomenon. The summer holidays should undoubtedly provide days with the best possible values of more meteorological elements. So the final term was calculated as mean and weighted mean of several dates of the beginning of holidays with the highest values of daily average air temperature, length of day and with the shortest total duration of the complex of rain, showers and drizzle and the complex of fog and mist. The weights of individual elements have been determined in two ways, so we have obtained three terms of holidays: two as result of the weighted mean and one as result of the mean. The best periods for holidays, determined by the weighted mean, are 11th June - 11th...
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Integration of the IBM SoftLayer into the ManageIQ Framework
Coufal, Tomáš ; Fiedor, Tomáš (referee) ; Rogalewicz, Adam (advisor)
As cloud computing gains its popularity the complexity of offered services is growing. There exist various different solutions and to manage them effectively is the task for cloud managers. One of them is a project named {ManageIQ}. This thesis aims to describe how to integrate a new provider into this software, what are the required bindings and how to work with the API of the provider. This thesis describes such a process on an IBM SoftLayer provider example. The achieved result enables the user to manage his SoftLayer devices via ManageIQ with ease and also provides him the functionality to provision new appliances.
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Procedural Generation of City Topology
Zvěřina, Lukáš ; Navrátil, Jan (referee) ; Láník, Aleš (advisor)
This bachelor's thesis is about problematique of procedural modeling. It especially tatgets procedural generation of city topology, using fractal geometry, rewriting gramatics using L-systems, OpenGL library for displaying scene and detailed description of approaches in texturing, lighting and other graphics effects.
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Realtime Weather in a Landscape Visualisation
Vlček, Adam ; Jošth, Radovan (referee) ; Seeman, Michal (advisor)
Thanks to the increasing computation power the complexity and dynamism of virtual reality is continuously improving. This work aims to examine influences of weather in a landscape and the means to simulate and dynamically visualize them in real time on the current personal computer hardware. The main goal is to find quick well looking approximations rather than a complex physically correct simulation. The work covers using modern programmable GPU not only for visualization but also as a powerful simulation instrument. The main topic is water movement in the terrain and its effects on it like erosion, snow melting and moisture impact on vegetation. This requires dynamic terrain texturing and algorithms supporting fast geometry and normals updates.
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Atmospheric Phenomena
Radouš, Jakub ; Milet, Tomáš (referee) ; Kobrtek, Jozef (advisor)
This bachelor's thesis deals with a visualisation issue of several atmospheric phenomena by means of the OpenGL library. The work contains theoretical bases for rain, snowfall, lightning, fog, wind, tornado and rainbow, which are further converted to the form of algorithms. The outcome is an application with graphical user interface that is able to display seven natural phenomena set in a landscape.
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Fogs and low-level clouds at the airport Ostrava-Mošnov
Harant, Tomáš ; Chlebek, Jiří (referee) ; Krška, Karel (advisor)
This thesis describes low altitude clouds and low visibility, their position in the aeronautical meteorological reports and measurements. It is main target is fog as the main reasons for lack of visibility, it is origins forecasts and types of fog. Mainly focuses on ways of identifying and measuring of low altitude clouds and low visibility at the Ostrava- Mošnov airport. They are developed using tables and graphs of observation statistics, low visibility and small cloudnes at airport Ostrava- Mošnov.
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Fogs and runway visual range at the airport Brno-Tuřany
Tarasovičová, Nikola ; Třetina, Karel (referee) ; Krška, Karel (advisor)
This thesis deals with visibility and runway visual range, their messages in different meteorological reports, the methods of determining and phenomena, which worsen them. It focuses on fogs as the main cause of low visibility and discusses their origin, division and their impact on air traffic. Particular attention is paid to ways of determining visibility and runway visual range at the airport Brno-Tuřany and fogs at this airport. This thesis contains the results of statistical processing of fog in wind speed and direction and synoptic conditions, during the cold term of 2008/09 to 2012/13.
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Fog and Cloud Processingof SMPS Spectra
Zíková, Naděžda ; Ždímal, Vladimír
Atmospheric aerosols have been studied extensively due to the confirmed influence of aerosols on global climate, aerosol – clouds interactions, atmospheric visibility, human health etc. (Kerminen et al., 2005; IPCC, 2007; Wichmann et al., 2000). However, the uncertainties connected to the effects of aerosols on phenomena in the atmosphere are considerable – there are various sources of aerosol particles, having different chemical compositions and particle size distributions (PSD). Moreover, the atmospheric aerosol is exposed to both dry and wet deposition, which further inflences the PSD. In this work, we have focused on cloud and fog processing of aerosol PSD.
Fulltext: content.csg -  PDF
Plný tet: SKMBT_C22013101814583 - PDF
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On Forward and Backward Scattering from Fog and Rain Drops
Fišer, O. ; Rejfek, Luboš ; Brázda, Vladimír
This contribution deals with the backward and forward scattering on dielectrical spheres. The well-known Rayleigh, Mie and Optical regions are discussed for frequencies regions 0.05 to 70 GHz and for optical wavelength of 830 nm. Some of our results fit the published one, some of them are different and the explanation of possible reasons is added. Also the formulas necessary to compute the radar reflectivity or attenuation due to fog and rain are presented.
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