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Rich, C.; Longcore, T.; editors |
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Title |
Ecological Consequences of Artificial Night Lighting |
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2006 |
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Island Press. |
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Ecology |
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LoNNe @ christopher.kyba @ |
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479 |
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Author |
Xavier Kerola, D. |
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Title |
Modelling artificial night-sky brightness with a polarized multiple scattering radiative transfer computer code: Modelling artificial night-sky brightness |
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Journal Article |
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2006 |
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Monthly Notices of the Royal Astronomical Society |
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365 |
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4 |
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1295-1299 |
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Skyglow; modeling; radiative transfer; Gauss-Seidel; light pollution; Garstang model |
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As part of an ongoing investigation of radiative effects produced by hazy atmospheres, computational procedures have been developed for use in determining the brightening of the night sky as a result of urban illumination. The downwardly and upwardly directed radiances of multiply scattered light from an offending metropolitan source are computed by a straightforward Gauss-Seidel (G-S) iterative technique applied directly to the integrated form of Chandrasekhar's vectorized radiative transfer equation. Initial benchmark night-sky brightness tests of the present G-S model using fully consistent optical emission and extinction input parameters yield very encouraging results when compared with the double scattering treatment of Garstang, the only full-fledged previously available model. |
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0035-8711 |
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IDA @ john @ |
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278 |
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Doll, C.N.H.; Muller, J.-P.; Morley, J.G. |
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Title |
Mapping regional economic activity from night-time light satellite imagery |
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Journal Article |
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Year |
2006 |
Publication |
Ecological Economics |
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Ecological Economics |
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57 |
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1 |
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75-92 |
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Night-time light satellite imagery; Economic activity; Geographic information; Mapping; Scale |
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The recognition that the elements of the ‘anthropocene’ play a critical role in global change processes means that datasets describing elements of the socio-economic environment are becoming increasingly more desirable. The ability to present these data in a gridded format as opposed to the traditionally reported administrative units is advantageous for incorporation with other environmental datasets. Night-time light remote sensing data has been shown to correlate with national-level figures of Gross Domestic Product (GDP). Night-time radiance data is analysed here along with regional economic productivity data for 11 European Union countries along with the United States at a number of sub-national levels. Night-time light imagery was found to correlate with Gross Regional Product (GRP) across a range of spatial scales. Maps of economic activity at 5 km resolution were produced based on the derived relationships. To produce these maps, certain areas had to be excluded due to their anomalously high levels of economic activity for the amount of total radiance present. These areas were treated separately from other areas in the map. These results provide the first detailed examination of night-time light characteristics with respect to local economic activity and highlight issues, which should be considered when undertaking such analysis. |
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0921-8009 |
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IDA @ john @ |
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124 |
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Li, Q.F.; Yang, G.X.; Yu, L.H.; Zhang, H. |
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A survey of the luminance distribution in the nocturnal environment in Shanghai urban areas and the control of luminance of floodlit buildings |
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Year |
2006 |
Publication |
Lighting Research & Technology |
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Lighting Research & Technology |
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38 |
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3 |
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185-189 |
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Lighting |
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A survey of the luminance distribution of the nocturnal environment in Shanghai urban areas, which included 11 locations and 16 buildings, was made. The 11 locations could be categorized as commercial, administration, leisure or residential. The average environmental luminance of these was recorded. The authors identified the effects of excessive exterior lighting. The luminance was measured and subjective appraisals made of 16 buildings. The writers have developed an empirical formula for arriving at the brightness level rating for floodlit buildings and recommended corresponding working ranges of luminance. |
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1477-1535 |
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GFZ @ kyba @ |
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2715 |
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Curtis, A.M.; FitzGerald, G.A. |
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Title |
Central and peripheral clocks in cardiovascular and metabolic function |
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Journal Article |
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Year |
2006 |
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Annals of Medicine |
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Ann Med |
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38 |
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8 |
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552-559 |
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Human Health |
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0785-3890 |
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LoNNe @ kagoburian @ |
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730 |
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