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Author Bará, S., Lima, R.C.
Title Photons without borders: quantifying light pollution transfer between territories Type Journal Article
Year 2018 Publication International Journal of Sustainable Lighting Abbreviated Journal
Volume 20 Issue 2 Pages 51-61
Keywords Skyglow
Abstract The light pollution levels experienced at any given site generally depend on a wide number of artificial light sources distributed throughout the surrounding territory. Since photons can travel long distances before being scattered by the atmosphere, any effective proposal for reducing local light pollution levels needs an accurate assessment of the relative weight of all intervening light sources, including those located tens or even hundreds of km away. In this paper we describe several ways of quantifying and visualizing these relative weights. Particular emphasis is made on the aggregate contribution of the municipalities, which are -in many regions of the world- the administrative bodies primarily responsible for the planning and maintenance of public outdoor lighting systems.
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Call Number NC @ ehyde3 @ Serial 2066
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Author O'Connell, H. A.
Title Streetlights in the city: understanding the distribution of Houston streetlights Type Journal Article
Year 2017 Publication Abbreviated Journal
Volume Issue Pages
Keywords Lighting; Society
Abstract There are at least 173,724 streetlights in the city of Houston, or about 15 streetlights per mile of roadway in the average Houston neighborhood. But there is wide variation in streetlight density across those neighborhoods. This report offers several important findings. First, black and Hispanic neighborhoods have higher concentrations of streetlights than white neighborhoods. Second, mixed-income neighborhoods tend to have higher concentrations of streetlights than the city’s wealthiest and poorest neighborhoods.

In the context of this discussion, we should consider the possibility that some areas of the city are overly lit in addition to being concerned about the places without enough lights. There may be a point at which having more lights actually becomes a negative. We need to get a better understanding of the lived consequences of the level of available lighting before making any further decisions regarding city streetlights.
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Publisher Rice | Kinder Institute for urban research Place of Publication Editor
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Notes (up) Approved no
Call Number GFZ @ kyba @ Serial 2068
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Author Penchalaiah, K., Kumari, A.V., Naik, R.S., Deepthi, M.
Title Paederus Dermatitis: A Clinical Study of 200 Cases Type Journal Article
Year 2017 Publication Indian Journal of Applied Research Abbreviated Journal
Volume 7 Issue 4 Pages 65-67
Keywords Human Health
Abstract Introduction: Paederus dermatitis is peculiar irritant dermatitis seen in regions with warm, tropical and subtropical regions, like India, causes significant morbidity and can be misleading in diagnosis. The study was conducted to know the clinical profile of Paederus dermatitis and to create awareness among medical practitioners about this condition. Materials & Methods: All clinically diagnosed cases of Paederus dermatitis were included in the study. Detailed history was taken and a thorough clinical examination was conducted in all the cases. Results: A total of 200 cases comprising of 124 males and 76 females were studied. Morphology of lesions was mainly linear, but zosteriform, kissing and bizarre lesions were also observed. Conclusion: Paederus dermatitis should be included in differential diagnosis while examining erythemato– vesicular lesions of sudden onset, especially on exposed body parts during rainy and post rainy season. Awareness of this condition and its clinical features among the physicians and medical practitioners will prevent misdiagnosis.
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Notes (up) Approved no
Call Number NC @ ehyde3 @ Serial 2069
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Author Chen, J.; Fan, W.; Li, K.; Liu, X.; Song, M.
Title Fitting Chinese cities’ population distributions using remote sensing satellite data Type Journal Article
Year 2019 Publication Ecological Indicators Abbreviated Journal Ecological Indicators
Volume 98 Issue Pages 327-333
Keywords Remote Sensing
Abstract Remote sensing satellite data from 2012 to 2013 are used to fit the Chinese cities’ population distributions over the same period in order to verify the population distribution in China from a relatively objective perspective. Most scholars have used nighttime light data and vegetation indexes to fit the population distribution, but the fitting effect has not been satisfactory. In this paper, processed Visible Infrared Imaging Radiometer Suite (VIIRS) nighttime light data, net primary productivity of vegetation (NPP), and average slope data were used to fit the population distribution from the three dimensions of economic growth, ecological environment, and topographic factors, respectively. The fitting effect was significantly improved compared with other studies (R2 values of 0.9244 and 0.9253 in 2012 and 2013, respectively). Therefore, this method provides a practical and effective way to fit the population distribution for remote cities or areas lacking census data. Furthermore, there is important practical significance for the government to formulate its population policies rationally, optimize the spatial distribution of population, and improve the ecological quality of the city.
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Series Editor Series Title Abbreviated Series Title
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ISSN 1470160X ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number GFZ @ kyba @ Serial 2071
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Author Hopkins, G.R.; Gaston, K.J.; Visser, M.E.; Elgar, M.A.; Jones, T.M.
Title Artificial light at night as a driver of evolution across urban-rural landscapes Type Journal Article
Year 2018 Publication Frontiers in Ecology and the Environment Abbreviated Journal Front Ecol Environ
Volume 16 Issue 8 Pages 472-479
Keywords Ecology, Commentary
Abstract Light is fundamental to biological systems, affecting the daily rhythms of bacteria, plants, and animals. Artificial light at night (ALAN), a ubiquitous feature of urbanization, interferes with these rhythms and has the potential to exert strong selection pressures on organisms living in urban environments. ALAN also fragments landscapes, altering the movement of animals into and out of artificially lit habitats. Although research has documented phenotypic and genetic differentiation between urban and rural organisms, ALAN has rarely been considered as a driver of evolution. We argue that the fundamental importance of light to biological systems, and the capacity for ALAN to influence multiple processes contributing to evolution, makes this an important driver of evolutionary change, one with the potential to explain broad patterns of population differentiation across urban–rural landscapes. Integrating ALAN's evolutionary potential into urban ecology is a targeted and powerful approach to understanding the capacity for life to adapt to an increasingly urbanized world.
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ISSN 1540-9295 ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number NC @ ehyde3 @ Serial 2073
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