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Author (up) Berry, R.L.
Title Light Pollution in Southern Ontario Type Journal Article
Year 1976 Publication Journal of the Royal Astronomical Society of Canada Abbreviated Journal
Volume 70 Issue Pages 97-115
Keywords Skyglow
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 562
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Author (up) Berson, D.M.; Dunn, F.A.; Takao, M.
Title Phototransduction by retinal ganglion cells that set the circadian clock Type Journal Article
Year 2002 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 295 Issue 5557 Pages 1070-1073
Keywords Human Health; Animals; Axons/ultrastructure; *Biological Clocks; *Circadian Rhythm; Dendrites/ultrastructure; Isoquinolines; Kinetics; Light; *Light Signal Transduction; Patch-Clamp Techniques; Rats; Rats, Sprague-Dawley; Retinal Ganglion Cells/chemistry/cytology/*physiology; Rod Opsins/analysis/physiology; Suprachiasmatic Nucleus/cytology/*physiology
Abstract Light synchronizes mammalian circadian rhythms with environmental time by modulating retinal input to the circadian pacemaker-the suprachiasmatic nucleus (SCN) of the hypothalamus. Such photic entrainment requires neither rods nor cones, the only known retinal photoreceptors. Here, we show that retinal ganglion cells innervating the SCN are intrinsically photosensitive. Unlike other ganglion cells, they depolarized in response to light even when all synaptic input from rods and cones was blocked. The sensitivity, spectral tuning, and slow kinetics of this light response matched those of the photic entrainment mechanism, suggesting that these ganglion cells may be the primary photoreceptors for this system.
Address Department of Neuroscience, Brown University, Providence, RI, 02912 USA. David_Berson@brown.edu
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ISSN 0036-8075 ISBN Medium
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Notes PMID:11834835 Approved no
Call Number LoNNe @ kagoburian @ Serial 720
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Author (up) Berthaume, T.S.
Title Light Pollution: A Case for Federal Regulation? Type Journal Article
Year 2007 Publication Graduate Thesis. Rochester, New York: Rochester Institute of Technology Abbreviated Journal
Volume Issue Pages
Keywords Society; law; policy; public policy; light pollution; regulation; United States; regulation
Abstract The purpose of this thesis is to examine the body of evidence concerning light pollution and exposure to artificial light and determine if the scientific research warrants regulatory oversight in the United States. The first question that guided this effort was: Does improper artificial lighting and exposure to light-at-night constitute a risk to human health and safety? The follow up question being: Is light pollution a concern to ecological systems, and if so to what extent? A comprehensive literature review was conducted to ascertain the status of the research—if any—in these two areas and what the findings were. The overarching purpose of this thesis was to answer the primary question: Does the scientific research on light pollution and exposure to light-at-night exposure make a case for regulatory oversight, within the mandate of the EPA? The questions were illuminated by conducting a thorough literature review, doing an informal email survey, and by in-depth interviews with people researching artificial light and with individuals in the EPA. The study concluded that there is no ready consensus to be reached in this area. Such a disparate topic as light pollution does not readily lend itself to an easy answer. However, the findings show that light pollution and light-at-night exposure do have some negative impact. This is especially true in regards to the night sky and the biota. Whether the EPA should be involved in regulating it is not entirely clear. Their mission statement leads one to presume that certain effects of light pollution do fall under their mandate. More research to quantify the effects of artificial light on humans is critically needed to show causation between artificial light exposure and health problems.
Address Society; law; policy; public policy; light pollution; regulation; United States
Corporate Author Thesis Master's thesis
Publisher Rochester Institute of Technology Place of Publication Editor
Language English Summary Language English Original Title
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 995
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Author (up) Bertiau, F.C.; de Graeve, E.; Treanor, P.J.
Title The Artificial Night-sky Illumination in Italy. Type Journal Article
Year 1973 Publication Vatican Observatory publications Abbreviated Journal
Volume 1 Issue 4 Pages 157-179
Keywords Skyglow
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 564
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Author (up) Bertolo, A.; Binotto, R.; Ortolani, S.; Sapienza, S.
Title Measurements of Night Sky Brightness in the Veneto Region of Italy: Sky Quality Meter Network Results and Differential Photometry by Digital Single Lens Reflex Type Journal Article
Year 2019 Publication Journal of Imaging Abbreviated Journal J. Imaging
Volume 5 Issue 5 Pages 56
Keywords Skyglow
Abstract In this paper, we present the implementation of a monitoring network for artificial light at night (ALAN), based on Sky Quality Meter devices (SQM) installed in seven locations of the Veneto region. The system is coordinated by the Regional Environmental Protection Agency (ARPA-Veneto) and the Department of Physics and Astronomy of the University of Padova, in collaboration with a local dark-sky association, Venetostellato. A new centralized database containing zenith night sky brightness (NSB) data was implemented to collect data from all SQM stations of the regional territory, not only in real time (since 2017), but in some stations since 2011. We now have a dataset to determine how light pollution is affecting astronomical observatories. A WEB portal was created to offer different downloads from these NSB data. We present the results of some elaborations for the 2018 dataset (statistics, histograms, annual and cumulative plots) for seven monitoring sites. For Ekar and Pennar sites, we also present the NSB monthly trend from 2014 until the time of the study. We purchased a reflex camera with a fish eye lens, appropriately calibrated with the software (SW) Sky Quality Camera, which allowed us to study ALAN using differential photometry. Here, we present our first results obtained by studying the night evolution of light pollution in the urban location of Padova.
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ISSN 2313-433X ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2508
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