The new world atlas of artificial night sky brightness by Fabio Falchi, Pierantonio Cinzano, Dan Duriscoe, Christopher C. M. Kyba, Christopher D. Elvidge,

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Presentation transcript:

The new world atlas of artificial night sky brightness by Fabio Falchi, Pierantonio Cinzano, Dan Duriscoe, Christopher C. M. Kyba, Christopher D. Elvidge, Kimberly Baugh, Boris A. Portnov, Nataliya A. Rybnikova, and Riccardo Furgoni Science Volume 2(6):e June 10, 2016 Published by AAAS

Fig. 1 Upward emission functions used to compute the maps. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 2 World map of artificial sky brightness. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 3 Map of North America’s artificial sky brightness, in twofold increasing steps, as a ratio to the natural sky brightness. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 4 Map of South America’s artificial sky brightness, in twofold increasing steps, as a ratio to the natural sky brightness. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 5 Maps of Europe’s artificial sky brightness, in twofold increasing steps, as a ratio to the natural sky brightness (assumed to be 174 μcd/m2). Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 6 Map of Africa’s artificial sky brightness, in twofold increasing steps, as a ratio to the natural sky brightness. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 7 Map of Asia’s artificial sky brightness, in twofold increasing steps, as a ratio to the natural sky brightness. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 8 Map of artificial sky brightness for Australia, Indonesia, and New Zealand, in twofold increasing steps, as a ratio to the natural sky brightness. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 9 Places on Earth farthest from pristine skies and unpolluted zenith skies. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 10 Map of light pollution’s visual impact on the night sky. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 11 G20 countries sorted by population exposed to light pollution. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 12 G20 countries sorted by polluted area. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 13 The 20 least polluted countries. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 14 The 20 most polluted countries. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 15 VIIRS DNB sensitivity. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 16 Comparisons between sky brightness observations and atlas predictions. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 17 Contour plots comparing the weighted number of SQM observations to the predictions of the atlas. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 18 Histograms showing the residuals (observed minus predicted SQM values) for the whole data set and for each of the different data providers. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS

Fig. 19 Comparisons between sky brightness NPS CCD observations and atlas predictions. Fabio Falchi et al. Sci Adv 2016;2:e Published by AAAS