(thesis advisor)Francesca Bastianini
Light pollution is often discussed in the context of exterior lighting applications. However in a city such as New York, interior lighting is also an important part of the nighttime environment. The components of light pollution that relate to lighting design practice are light trespass, glare, and over illuminance on pedestrian walkways. In the urban environment, these three components of interior lighting add up with exterior lighting to become excessive use of artificial light or light pollution. The definition of light pollution as defined by The International Dark Sky Association (IDA) shows some subjective language and a negative attitude towards the use of light. However, within lighting design practice, urban night lighting is not inherently negative and considered designs can include lighting without adverse negative effects. Qualitative analysis can generate recommendation, which help create the environment that supports social activities and advertising with aesthetic quality and safety. The focus of this thesis is to understand light trespass, glare, and over illumination caused by interior retail lighting using both qualitative and quantitative variables. This analysis leads to four primary approaches to address the interior forms of lighting pollution of these solutions. Three simple solutions are already widely used in lighting practice and could be easily applied for this purpose, and one solution is introduced here for further exploration. Guidelines based on these four solutions for retail lighting have the added benefit of reducing light pollution and having a huge impact on the quality of the urban environment.
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