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Author |
Zhou, H.; Hawkins, H.G.; Miles, J.D. |
Title |
Guidelines for Freeway Lighting Curfews |
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Journal Article |
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2013 |
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Technical Report No. FHWA/TX-13/0-6645-1, Texas A&M Transportation Institute |
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á-72 |
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Lighting Systems; Regulation |
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LoNNe @ christopher.kyba @ |
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445 |
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Kyba, C.C.M.; Ruhtz, T.; Lindemann, C.; Fischer, J.; Hölker, F. |
Title |
Two camera system for measurement of urban uplight angular distribution |
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Journal Article |
Year |
2013 |
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AIP Conf. Proc |
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1531 |
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568 |
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Instrumentiation |
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The angular distribution function of light emitted from cities is unknown, and represents the most important systematic error in skyglow simulations. We describe a method for measuring this distribution using a two camera system mounted on an aerial platform. We present preliminary results from a test flight using such a system, taken over the city of Berlin on July 14, 2011. |
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LoNNe @ christopher.kyba @ |
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467 |
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Duriscoe, D.M. |
Title |
Measuring Anthropogenic Sky Glow Using a Natural Sky Brightness Model. |
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Journal Article |
Year |
2013 |
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Publications of the Astronomical Society of the Pacific |
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125 |
Issue |
933 |
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1370-1382 |
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Skyglow |
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Anthropogenic sky glow (a result of light pollution) combines with the natural background brightness of the night sky when viewed by an observer on the earth’s surface. In order to measure the anthropogenic component accurately, the natural component must be identified and subtracted. A model of the moonless natural sky brightness in the V-band was constructed from existing data on the Zodiacal Light, an airglow model based on the van Rhijn function, and a model of integrated starlight (including diffuse galactic light) constructed from images made with the same equipment used for sky brightness observations. The model also incorporates effective extinction by the atmosphere and is improved at high zenith angles (>80°) by the addition of atmospheric diffuse light. The model may be projected onto local horizon coordinates for a given observation at a resolution of 0.05° over the hemisphere of the sky, allowing it to be accurately registered with data images obtained from any site. Zodiacal Light and integrated starlight models compare favorably with observations from remote dark sky sites, matching within ± 8 nL over 95% of the sky. The natural airglow may be only approximately modeled, errors of up to ± 25 nL are seen when the airglow is rapidly changing or has considerable character (banding); ± 8 nL precision may be expected under favorable conditions. When subtracted from all-sky brightness data images, the model significantly improves estimates of sky glow from anthropogenic sources, especially at sites that experience slight to moderate light pollution. |
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LoNNe @ christopher.kyba @ |
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539 |
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Taylor, P.; Nimkingrat, P.; Strauch, O.; Ehlers, R.; Kiel, C. |
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Biocontrol Science and Technology Hybridisation and genetic selection for improving desiccation tolerance of the entomopathogenic nematode Steinernema feltiae |
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2013 |
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37â41 |
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Animals |
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LoNNe @ kagoburian @ |
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622 |
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Juntunen, E.; Tetri, E.; Tapaninen, O.; Yrjänä S.; Kondratyev, V; . Sitomaniemi, A.; Siirtola, H.; Sarjanoja, E.M.; Aikio, J.; Heikkinen, V |
Title |
A smart LED luminaire for energy savings in pedestrian road lighting. |
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Journal Article |
Year |
2013 |
Publication |
Lighting Research and Technology |
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47 |
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1 |
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103-115 |
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Lighting |
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LoNNe @ kagoburian @ |
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639 |
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