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Author Żagan, W.,; Skarżyński, K.
Title Analysis of light pollution from floodlighting: Is there a different approach to floodlighting? Type Journal Article
Year 2017 Publication Light and Engineering Abbreviated Journal
Volume 25 Issue 1 Pages 75-82
Keywords LED lighting
Abstract The research which was prepared for this paper was inspired by a real floodlit object. The main distinctive feature is connected with the directionality of its lighting. The „Sezam” building was one of the first to be illuminated in the opposite way to the usual manner of floodlighting. The analysis, based on the measurement of horizontal illuminance on the pavement in front of the building andof theluminance on the facade, leads to some very unusual conclusions. It goes deeper than merely the assessment of the phenomenon of light pollution in the context of floodlighting. Additionally, a short survey about the preferences of lighting directionality in floodlighting and the general concept of light pollution was conducted on a group of over a dozen people. It turned out that people are quite aware of the phenomenon of light pollution and they rather prefer illumination from floodlighting to be from bottom to top.
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Call Number GFZ @ kyba @ Serial (down) 2450
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Author Percival, D.
Title Street Furniture in Town and Countryside Type Journal Article
Year 1958 Publication Official Architecture and Planning Abbreviated Journal
Volume 21 Issue 12 Pages 570-573
Keywords Lighting; Design
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Call Number GFZ @ kyba @ Serial (down) 2432
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Author Hough, W.
Title The development of illumination Type Journal Article
Year 1901 Publication American Anthropologist Abbreviated Journal
Volume 3 Issue 2 Pages 342-352
Keywords History; Society; Lighting
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Call Number GFZ @ kyba @ Serial (down) 2416
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Author Preece, W.H.
Title On the progress of electric lighting Type Journal Article
Year 1883 Publication Journal of the Society of Arts Abbreviated Journal
Volume 32 Issue Pages 347-354
Keywords Lighting; Commentary; History; Economics
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Call Number GFZ @ kyba @ Serial (down) 2413
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Author Peña-García, A.; Sędziwy, A.
Title Optimizing Lighting of Rural Roads and Protected Areas with White Light: A Compromise among Light Pollution, Energy Savings, and Visibility Type Journal Article
Year 2019 Publication Leukos Abbreviated Journal Leukos
Volume in press Issue Pages 15502724.2019.1574138
Keywords Lighting; Energy; Skyglow; LED
Abstract The broad implementation of light emitting diode (LED) light sources in public lighting has become a revolution in recent years. Their low power consumption and good performance (extremely low onset time, long lifetime, high efficacy) make LEDs an optimal solution in most outdoor applications. In addition, the white light emitted by the vast majority of LEDs used in public lighting and their good color rendering improve well-being, comfort, and safety in cities, especially in commercial zones and urban centers. However, regulations on light pollution that have been developed in some countries in parallel to the introduction of LED lighting impose strong constraints to white light emission, which is present due to the higher Rayleigh scattering of short wavelengths. These regulations request filtering blue wavelengths in some protected areas and thus limit the projects to high- or low-pressure sodium sources or amber LEDs. In this work, the pros and cons of white and amber LED lighting in rural areas are analyzed and compared through simulations made on a typical rural lighting situation and considerations based on efficiency, visual performance, nonvisual effects, and light pollution. The most important conclusion is that Rayleigh scattering seems to prevail in the current considerations on light pollution, whereas other important aspects affecting safety and sustainability are are not considered. Accurate designs can decrease light pollution without constraints against white LEDs. The objective of this work is to provide evidence leading to consider light pollution from a more general perspective in the benefit of humans and the environment.
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ISSN 1550-2724 ISBN Medium
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Call Number GFZ @ kyba @ Serial (down) 2380
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