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Author Cinzano, P.
Title Technical Measures for an effective limitation of the effects of light pollution. Type Journal Article
Year 2002 Publication Abbreviated Journal
Volume Issue (up) Pages
Keywords Lighting
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Call Number LoNNe @ schroer @ Serial 574
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Author Cinzano, P.; Javier, F.; Castro, D.; Astronomia, D.; Padova, U.
Title The artificial sky luminance and the emission angles of the upward light flux. Type Journal Article
Year 1998 Publication arXiv preprint astro-ph Abbreviated Journal
Volume Issue (up) Pages
Keywords Lighting
Abstract The direction of the upward light emission has different polluting effects on the sky depending on the distance of the observation site. We studied with detailed models for light pollution propagation the ratio (bH)/(bL), at given distances from a city, between the artificial sky luminance bH produced by its upward light emission between a given threshold angle θ0 and the vertical and the artificial sky luminance bL produced by its upward light emission between the horizontal and the threshold angle θ0. Our results show that as the distance from the city increases the effects of the emission at high angles above the horizontal decrease relative to the effects of emission at lower angles above the horizontal. Outside some kilometers from cities or towns the light emitted between the horizontal and 10\deg ~is as important as the light emitted at all the other angles in producing the artificial sky luminance. Therefore the protection of a site requires also a careful control of this emission which needs to be reduced to at most 1/10 of the remaining emission. The emission between the horizontal and 10\deg ~is mostly produced by spill light from luminaires, so fully shielded fixtures (e.g. flat glass luminaires or asymmetric spot-lights installed without any tilt) are needed for this purpose.
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Call Number LoNNe @ schroer @ Serial 575
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Author Longcore, T.; Rich, C.
Title LIGHTS OUT! FOR NATURE. Type Journal Article
Year 2007 Publication Experimental Biology Abbreviated Journal
Volume Issue (up) Pages 165–171
Keywords Ecology
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Call Number LoNNe @ schroer @ Serial 579
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Author Baumeister, J.
Title Adaptives Stadtlicht: Untersuchung einer sich an Passanten und Umweltbedingungen anpassenden LED-Beleuchtung urbaner Räume. Braunschweig: Technische Universität Carolo-Wilhelmina. Type Book Whole
Year 2008 Publication Technische Universität Braunschweig Abbreviated Journal
Volume Issue (up) Pages
Keywords Society
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Corporate Author Thesis Doctoral thesis
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Call Number LoNNe @ kagoburian @ Serial 992
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Author Baker, J.
Title Toad aggregations under street lamps Type Journal Article
Year 1990 Publication British Herpetological Society Bulletin Abbreviated Journal
Volume 31 Issue (up) Pages 26–27
Keywords Animals
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Call Number LoNNe @ kagoburian @ Serial 990
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