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Remotely sensing changes in lighting infrastructure of cities

Author(s): Alexandre Simoneau and Martin Aubé

Affiliations:Université de Sherbrooke

Contact: alexandre.simoneau@usherbrooke.ca

Abstract: Anthropogenic light emissions have been known to disrupt the quality of astronomical observations. Moreover, we now know that they also have significant impacts on ecology and human health. One challenge in studying artificial light at night is determining the emission properties of anthropogenic light sources on a large scale. Current spaceborne sensors lack the spectral and angular resolution needed to properly assess luminous city emissions. The present project proposes a method to fully evaluate these emissions using digital cameras mounted on airborne (and potentially spaceborne) platforms. This allows for determining the angular and spectral radiance of cities and monitor their temporal changes, which is crucial to understand and control them.

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