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Author Spivey, A.
Title The Mixed Blessing of Phosphor-Based White LEDs Type Journal Article
Year 2011 Publication Environmental Health Perspectives Abbreviated Journal Environ Health Perspect
Volume 119 Issue 11 Pages a472-a473
Keywords Editorial
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ISSN 0091-6765 ISBN Medium
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Notes Approved no
Call Number LoNNe @ christopher.kyba @ Serial 464
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Author Aubrecht, C.; Stojan-Dolar, M.; de Sherbinin, A.; Jaiteh, M.; Longcore, T.; Elvidge, C.
Title Lighting governance for protected areas and beyond – Identifying the urgent need for sustainable management of artificial light at night Type Journal Article
Year 2010 Publication Earthzine Abbreviated Journal
Volume Issue Pages e61460
Keywords Editorial
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Call Number LoNNe @ christopher.kyba @ Serial 465
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Author Kyba, C.C.M.; Ruhtz, T.; Lindemann, C.; Fischer, J.; Hölker, F.
Title Two camera system for measurement of urban uplight angular distribution Type Journal Article
Year 2013 Publication AIP Conf. Proc Abbreviated Journal
Volume 1531 Issue 568 Pages
Keywords Instrumentiation
Abstract 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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Call Number LoNNe @ christopher.kyba @ Serial 467
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Author Miller, S.; Straka, W.; Mills, S.; Elvidge, C.; Lee, T.; Solbrig, J.; Walther, A.; Heidinger, A.; Weiss, S.
Title Illuminating the Capabilities of the Suomi National Polar-Orbiting Partnership (NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band Type Journal Article
Year 2013 Publication Remote Sensing Abbreviated Journal Remote Sensing
Volume 5 Issue 12 Pages 6717-6766
Keywords Instrumentation; satellite imagery; nighttime visible/near-infrared; moonlight
Abstract Daytime measurements of reflected sunlight in the visible spectrum have been a staple of Earth-viewing radiometers since the advent of the environmental satellite platform. At night, these same optical-spectrum sensors have traditionally been limited to thermal infrared emission, which contains relatively poor information content for many important weather and climate parameters. These deficiencies have limited our ability to characterize the full diurnal behavior and processes of parameters relevant to improved monitoring, understanding and modeling of weather and climate processes. Visible-spectrum light information does exist during the nighttime hours, originating from a wide variety of sources, but its detection requires specialized technology. Such measurements have existed, in a limited way, on USA Department of Defense satellites, but the Suomi National Polar-orbiting Partnership (NPP) satellite, which carries a new Day/Night Band (DNB) radiometer, offers the first quantitative measurements of nocturnal visible and near-infrared light. Here, we demonstrate the expanded potential for nocturnal low-light visible applications enabled by the DNB. Via a combination of terrestrial and extraterrestrial light sources, such observations are always available—expanding many current existing applications while enabling entirely new capabilities. These novel low-light measurements open doors to a wealth of new interdisciplinary research topics while lighting a pathway toward the optimized design of follow-on satellite based low light visible sensors.
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ISSN 2072-4292 ISBN Medium
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Call Number LoNNe @ christopher.kyba @ Serial 468
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Author Kruse, F.A.; Elvidge, C.D.
Title Characterizing urban light sources using imaging spectrometry Type Journal Article
Year 2011 Publication Proceedings of the Joint Urban Remote Sensing Event 2011, April 13-11, Munich, Germany Abbreviated Journal
Volume Issue Pages 149 - 152
Keywords Instrumentation
Abstract Remote mapping of night lights has been used for decades for mapping urbanization and the global distribution of human activity. Most of this has been accomplished using remote sensing data from the Defense Meteorological Satellite Program (DMSP). The coarse spatial and spectral resolution of DMSP, however, has precluded discrimination of lighting types or spectral characteristics. Recent demonstrations using photography from the International Space Station and airborne multispectral simulations demonstrate significant potential, but high-spectral-resolution field and laboratory measurements indicate that these methods do not take full advantage of the spectral information available. This research demonstrates the use of imaging spectrometer data to identify, characterize, and map urban lighting based on spectral emission lines unique to specific lighting types. ProSpecTIR imaging spectrometer data were analyzed to extract spectral features and these were compared to spectral library measurements on a pixel-by-pixel basis, resulting in a detailed spatial map showing different lighting types. The nature and distribution of lights can be used as a surrogate for measurement of urban development.
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Call Number LoNNe @ christopher.kyba @ Serial 469
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