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Published in:
2015 | OriginalPaper | Chapter
16. Light-Pollution Parameters
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Abstract
Designing light installations with a restricted amount of light pollution is not possible without a clear insight into which lighting parameters influence light pollution. These lighting parameters can be divided into those directly related to the light leaving the location being lighted, i.e. installation-bound parameters, and those directly related to the light arriving at the point of disturbance, i.e. disturbed-area-bound parameters. Some standards and recommendations use a mix of both parameter categories for the limitation of light pollution. In this section, the emphasis is on those lighting parameters used in specifying limits for light pollution by the International Lighting Commission CIE, and by the International Dark Sky Association IDA (in combination with the Illuminating Engineering Society of North America IESNA). They will be defined and explained. The limiting values themselves will be dealt with in a following section: “Standards and Recommendations”.
The illustrations in this section are based on road-lighting installations, but all concepts described are in fact valid for all types of exterior lighting installations ranging from road lighting to residential-area lighting, decorative architectural lighting, industrial outdoor-area lighting and sports floodlighting.