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Let There Be Light? Impact of Light Pollution on the Environment
Svoboda, Lukáš ; Mihai, Hana (oponent) ; Ellederová, Eva (vedoucí práce)
Light pollution is one of many types of pollution that threaten our planet. The main reason for its creation is the fact that light pollution is a side effect of industrial civilization. The adverse effects of light pollution can have a serious impact on human health, wildlife and climate. The aim of this bachelor’s thesis is to define the concept of light pollution, describe means of its measurement and its adverse effects. The theoretical part of this thesis deals with defining what the light pollution is and it describes how it is manifested. Furthermore, possibilities of how light pollution can be measured are discussed. Subsequently, impacts on human health, wildlife, economy, safety, and astronomy are described and discussed. Towards the end, common light sources used for public lighting and their parameters are defined. Lastly, basic practices that help to reduce light pollution are presented with examples of correctly designed luminaires for outdoor lighting. The practical part of the thesis is concerned with quantitative research, whose purpose was to identify the level of awareness of light pollution among the general public. The data were gathered by means of the questionnaire survey.
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Let There Be Light? Impact of Light Pollution on the Environment
Svoboda, Lukáš ; Mihai, Hana (oponent) ; Ellederová, Eva (vedoucí práce)
Light pollution is one of many types of pollution that threaten our planet. The main reason for its creation is the fact that light pollution is a side effect of industrial civilization. The adverse effects of light pollution can have a serious impact on human health, wildlife and climate. The aim of this bachelor’s thesis is to define the concept of light pollution, describe means of its measurement and its adverse effects. The theoretical part of this thesis deals with defining what the light pollution is and it describes how it is manifested. Furthermore, possibilities of how light pollution can be measured are discussed. Subsequently, impacts on human health, wildlife, economy, safety, and astronomy are described and discussed. Towards the end, common light sources used for public lighting and their parameters are defined. Lastly, basic practices that help to reduce light pollution are presented with examples of correctly designed luminaires for outdoor lighting. The practical part of the thesis is concerned with quantitative research, whose purpose was to identify the level of awareness of light pollution among the general public. The data were gathered by means of the questionnaire survey.
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Světelné zdroje a jejich účinnost
BAČÁKOVÁ, Martina
Tato bakalářská práce pojednává o světelných zdrojích a jejich účinnosti. V rešeršní části pojednává o vývoji žárovky a představuje hlavní milníky historie osvětlení, včetně veřejného osvětlení. Dále pojednává o principu a použití světelných zdrojů, o jejich členění podle druhu, typu, výrobce a ceny. V analytické části je provedena komparace různých druhů světelných zdrojů podle jejich světelné účinnosti a ceny. Součástí analýzy jsou i vyzařovací diagramy všech testovaných žárovek. Následuje analýza svítivosti jedné žárovky po svícení několika stovek hodin. V závěru bakalářské práce jsou dosažené výsledky shrnuty a komentovány.
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