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Author Baugh, K.; Hsu, F.-C.; Elvidge, C.D.; Zhizhin, M. url  doi
openurl 
  Title Nighttime Lights Compositing Using the VIIRS Day-Night Band: Preliminary Results Type Journal Article
  Year 2013 Publication Proceedings of the Asia-Pacific Advanced Network Abbreviated Journal APAN Proceedings  
  Volume 35 Issue Pages (up) 70  
  Keywords remote sensing; light pollution; VIIRS; satellite; radiometry  
  Abstract Dramatically improved nighttime lights capabilities are presented by the launch of the National Polar-orbiting Partnership (NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) Day Night Band (DNB) sensor. Building on 18 years of experience compositing nighttime data from the Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS), NOAA’s NGDC Earth Observation Group has started adapting their algorithms to process these new data. The concept of compositing nighttime data comprises combining only high quality data components over a period of time to improve sensitivity and coverage. For this work, flag image are compiled to describe image quality. The flag categories include: daytime, twilight, stray light, lunar illuminance, noisy edge of scan data, clouds, and no data. High quality data is defined as not having any of these attributes present. Two methods of reprojection are necessary due to data collection characteristics. Custom algorithms have been created to terrain-correct and reproject all data to a common 15 arc second grid. Results of compositing over two time periods in 2012 are presented to demonstrate data quality and initial capabilities. These data can be downloaded at http://www.ngdc.noaa.gov/eog/viirs/downloadviirsntl.html.  
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  ISSN 2227-3026 ISBN Medium  
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  Notes Approved no  
  Call Number IDA @ john @ Serial 197  
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Author Zhou, H.; Hawkins, H.G.; Miles, J.D. url  openurl
  Title Guidelines for Freeway Lighting Curfews Type Journal Article
  Year 2013 Publication Technical Report No. FHWA/TX-13/0-6645-1, Texas A&M Transportation Institute Abbreviated Journal  
  Volume Issue Pages (up) á-72  
  Keywords Lighting Systems; Regulation  
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  Notes Approved no  
  Call Number LoNNe @ christopher.kyba @ Serial 445  
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Author Fonken, L.K.; Nelson, R.J. url  doi
openurl 
  Title Dim light at night increases depressive-like responses in male C3H/HeNHsd mice Type Journal Article
  Year 2013 Publication Behavioural Brain Research Abbreviated Journal Behav Brain Res  
  Volume 243 Issue Pages (up) 74-78  
  Keywords Affect/physiology; Anhedonia/physiology; Animals; Behavior, Animal/*physiology; Circadian Rhythm/*physiology; Depression/*etiology/physiopathology; Hippocampus/*metabolism/pathology; Light/*adverse effects; Male; Mice; Mice, Inbred C3H; Neuropsychological Tests; Photoperiod  
  Abstract Daily patterns of light exposure have become increasingly variable since the widespread adoption of electrical lighting during the 20th century. Seasonal fluctuations in light exposure, shift-work, and transmeridian travel are all associated with alterations in mood. These studies implicate fluctuations in environmental lighting in the development of depressive disorders. Here we argue that exposure to light at night (LAN) may be causally linked to depression. Male C3H/HeNHsd mice, which produce nocturnal melatonin, were housed in either a standard light/dark (LD) cycle or exposed to nightly dim (5 lux) LAN (dLAN). After four weeks in lighting conditions mice underwent behavioral testing and hippocampal tissue was collected at the termination of the study for qPCR. Here were report that mice exposed to dLAN increase depressive-like responses in both a sucrose anhedonia and forced swim test. In contrast to findings in diurnal grass rats, dLAN mice perform comparably to mice housed under dark nights in a hippocampus-dependent learning and memory task. TNFalpha and IL1beta gene expression do not differ between groups, demonstrating that changes in these pro-inflammatory cytokines do not mediate dLAN induced depressive-like responses in mice. BDNF expression is reduced in the hippocampus of mice exposed to dLAN. These results indicate that low levels of LAN can alter mood in mice. This study along with previous work implicates LAN as a potential factor contributing to depression. Further understanding of the mechanisms through which LAN contributes to changes in mood is important for characterizing and treating depressive disorders.  
  Address Department of Neuroscience, Institute for Behavioral Medicine Research, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA. fonken.1@osu.edu  
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  Language English Summary Language Original Title  
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  ISSN 0166-4328 ISBN Medium  
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  Notes PMID:23291153 Approved no  
  Call Number IDA @ john @ Serial 95  
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Author Völker, S.; Krenz, P. url  openurl
  Title Entwicklung von Maßzahlen für adaptive Beleuchtungssysteme Type Journal Article
  Year 2013 Publication In: Held, M., Hölker, F. & Jessel, B. (2013) Schutz der Nacht – Lichtverschmutzung, Biodiversität und Nachtlandschaft. – BfN-Skripten Abbreviated Journal  
  Volume 336 Issue Pages (up) 87-90  
  Keywords Lighting  
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  Call Number LoNNe @ kagoburian @ Serial 857  
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Author Jones, A.; Noll, S.; Kausch, W.; Szyszka, C.; Kimeswenger, S. url  doi
openurl 
  Title An advanced scattered moonlight model for Cerro Paranal Type Journal Article
  Year 2013 Publication Astronomy & Astrophysics Abbreviated Journal A&A  
  Volume 560 Issue Pages (up) A91  
  Keywords Moonlight  
  Abstract The largest natural source of light at night is the Moon, and it is the major contributor to the astronomical sky background. Being able to accurately predict the sky background, including scattered moonlight is important for scheduling astronomical observations. We have developed an improved scattered moonlight model, in which the components are computed with a better physical understanding as opposed to the simple empirical fit in the frequently used photometric model of Krisciunas & Schaefer (1991, PASP, 103, 1033). Our spectroscopic model can better trace the spectral trends of scattered moonlight for any position of the Moon and target observation. This is the first scattered moonlight model that we know of which is this physical and versatile. We have incorporated an observed solar spectrum, accurate lunar albedo fit, and elaborate scattering and absorption calculations that include scattering off of molecules and aerosols. It was designed for Cerro Paranal, but can be modified for any location with known atmospheric properties. Throughout the optical range, the uncertainty is less than 20%. This advanced scattered moonlight model can predict the amount of scattered moonlight for any given geometry of the Moon and target, and lunar phase for the entire optical spectrum.  
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  ISSN 0004-6361 ISBN Medium  
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  Notes Approved no  
  Call Number LoNNe @ kyba @ Serial 1461  
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