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Author Aubrecht, C.; Jaiteh, M.; Sherbinin, A.De.; Longcore, T.
Title Monitoring impact of urban settlements on nearby protected areas from space. Type Journal Article
Year 2010 Publication Geophysical Research Abstracts Abbreviated Journal (up)
Volume 12 Issue Pages 12758-12758
Keywords Remote Sensing
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Call Number LoNNe @ schroer @ Serial 570
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Author BUWAL, W. U. L.
Title Empfehlungen zur Vermeidung von Lichtemissionen Type Journal Article
Year 2005 Publication Abbreviated Journal (up)
Volume Issue Pages
Keywords Regulations
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Call Number LoNNe @ schroer @ Serial 572
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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 (up)
Volume Issue 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 (up)
Volume Issue 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 (up)
Volume Issue Pages 165–171
Keywords Ecology
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Call Number LoNNe @ schroer @ Serial 579
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