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Author Rayleigh, L.
Title (up) Colour of the Night Sky Type Journal Article
Year 1920 Publication Nature Abbreviated Journal
Volume 106 Issue 2653 Pages 8
Keywords Natural sky brightness; airglow
Abstract So far as I have been able to learn, little or nothing is known about the colour of the night sky. The light is too faint for ordinary visual discrimination of colour, which disappears with diminishing intensity of illumintion much Before the light it self ceases to be perceptible.
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Call Number GFZ @ kyba @ Serial 3121
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Author Sánchez de Miguel, A.; Kyba, C.C.M.; Aubé, M.; Zamorano, J.; Cardiel, N.; Tapia, C.; Bennie, J.; Gaston, K.J.
Title (up) Colour remote sensing of the impact of artificial light at night (I): The potential of the International Space Station and other DSLR-based platforms Type Journal Article
Year 2019 Publication Remote Sensing of Environment Abbreviated Journal Remote Sensing of Environment
Volume 224 Issue Pages 92-103
Keywords Remote Sensing; Instrumentation
Abstract Sensors on remote sensing satellites have provided useful tools for evaluation of the environmental impacts of nighttime artificial light pollution. However, due to their panchromatic nature, the data available from these sensors (VIIRS/DNB and DMSP/OLS) has a limited capacity accurately to assess this impact. Moreover, in some cases, recorded variations can be misleading. Until new satellite platforms and sensors are available, only nighttime images taken with DSLR cameras from the International Space Station (ISS), airplanes, balloons or other such platforms can provide the required information. Here we describe a theoretical approach using colour-colour diagrams to analyse images taken by astronauts on the ISS to estimate spatial and temporal variation in the spectrum of artificial lighting emissions. We then evaluate how this information can be used to determine effects on some key environmental indices: photopic vision, the Melatonin Suppression Index, the Star Light Index, the Induced Photosynthesis Index, production of NO2-NO radicals, energy efficiency and CO2 emissions, and Correlated Colour Temperature. Finally, we use the city of Milan as a worked example of the approach.
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ISSN 0034-4257 ISBN Medium
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Call Number GFZ @ kyba @ Serial 2189
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Author Kowalska, J.
Title (up) Coloured light pollution in the urban environment Type Journal Article
Year 2019 Publication Photonics Letters of Poland Abbreviated Journal
Volume 11 Issue 4 Pages 93-95
Keywords Lighting
Abstract The article deals with issues related to colored lighting occurring in urban space. On the example of the Colosseum Amphitheatre 3D model, applications of colorful illumination were shown and the rationale for using color in individual cases was discussed. The aim of the article is to draw attention to proper planning and modernization of lighting to limit the negative interference of light in the ecosystem.
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Call Number IDA @ intern @ Serial 2969
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Author Czarnecka, M.; Kakareko, T.; Jermacz, Ł.; Pawlak, R.; Kobak, J.
Title (up) Combined effects of nocturnal exposure to artificial light and habitat complexity on fish foraging Type Journal Article
Year 2019 Publication Science of The Total Environment Abbreviated Journal Science of The Total Environment
Volume 684 Issue Pages 14-22
Keywords Animal; fishes; Perca fluviatilis; Gammarus fossarum; gammarids; aquatic ecosystems
Abstract Due to the widespread use of artificial light, freshwater ecosystems in urban areas at night are often subjected to light of intensities exceeding that of the moonlight. Nocturnal dim light could modify fish behaviour and benefit visual predators because of enhanced foraging success compared to dark nights. However, effects of nocturnal light could be mitigated by the presence of structured habitats providing refuges for prey. We tested in laboratory experiments whether nocturnal light of low intensity (2 lx) increases foraging efficiency of the Eurasian perch (Perca fluviatilis) on invertebrate prey (Gammarus fossarum). The tests were conducted at dusk and night under two light regimes: natural cycle with dark nights and disturbed cycle with artificially illuminated nights, in habitats differing in structural complexity: sand and woody debris. We found that nocturnal illumination significantly enhanced the consumption of gammarids by fish compared to dark nights. In addition, the perch was as effective predator in illuminated nights (2 lx) as at dusk (10 lx). Woody debris provided an effective refuge only in combination with undisturbed darkness, but not in illuminated nights. Our results suggest that nocturnal illumination in aquatic ecosystems may contribute to significant reductions in invertebrate population sizes through fish predation. The loss of darkness reduces the possibility of using shelters by invertebrates and hence the effects of elevated light levels at night could not be mitigated by an increased habitat complexity.
Address Department of Ecology and Biogeography, Faculty of Biology and Environmental Protection, Nicolaus Copernicus University, Toruń, Poland; mczarn(at)umk.pl
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Publisher Elsevier Place of Publication Editor
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ISSN 0048-9697 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2507
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Author Mortazavi, S.M.J.
Title (up) Comment on 'Domestic light at night and breast cancer risk: a prospective analysis of 105 000 UK women in the Generations Study' Type Journal Article
Year 2018 Publication British Journal of Cancer Abbreviated Journal Br J Cancer
Volume 118 Issue 11 Pages 1536
Keywords Commentary
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Address Ionizing and Non-ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran. S.M.Javad.Mortazavi@fccc.edu
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ISSN 0007-0920 ISBN Medium
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Notes PMID:29769746 Approved no
Call Number GFZ @ kyba @ Serial 1911
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