Journal
SCIENTIFIC REPORTS
Volume 10, Issue 1, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41598-020-64673-2
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Funding
- EMISSI@N project (NERC grant) [NE/P01156X/1]
- COST (European Cooperation in Science and Technology) Action [ES1204]
- ORISON project [H2020INFRASUPP-2015-2]
- Cities at Night project
- European Union's Horizon 2020 research and innovation programme via project GEOEssential [689443]
- FPU grant from the Ministerio de Ciencia y Tecnologia
- Spanish Network for Light Pollution Studies [MINECO AYA2011-15808-E]
- STARS4ALL - European Union [H2020-ICT-2015-688135]
- Spanish MICINN [AYA201675808-R]
- Madrid Regional Government through the TEC2SPACE-CM Project [P2018/NMT-4291]
- European Union's Horizon 2020 research and innovation programme ERA-PLANET, via the GEOEssential project [689443]
- Helmholtz Association Initiative and Networking Fund [ERC-RA-0031]
- NERC [NE/P01156X/1] Funding Source: UKRI
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Diffuse glow has been observed around brightly lit cities in nighttime satellite imagery since at least the first publication of large scale maps in the late 1990s. In the literature, this has often been assumed to be an error related to the sensor, and referred to as blooming, presumably in relation to the effect that can occur when using a CCD to photograph a bright light source. Here we show that the effect seen on the DMSP/OLS, SNPP/VIIRS-DNB and ISS is not only instrumental, but in fact represents a real detection of light scattered by the atmosphere. Data from the Universidad Complutense Madrid sky brightness survey are compared to nighttime imagery from multiple sensors with differing spatial resolutions, and found to be strongly correlated. These results suggest that it should be possible for a future space-based imaging radiometer to monitor changes in the diffuse artificial skyglow of cities.
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