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The GCMD vocabulary is developed and maintained by:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0 ← back Released Dataset Supplement to: The New World Atlas of Artificial Night Sky Brightness Cite as: Copy citation to clipboard Falchi, Fabio; Cinzano, Pierantonio; Duriscoe, Dan; Kyba, Christopher C. M.; Elvidge, Christopher D.; Baugh, Kimberly; Portnov, Boris; Rybnikova, Nataliya A.; Furgoni, Riccardo (2016): Supplement to: The New World Atlas of Artificial Night Sky Brightness. V. 1.1. GFZ Data Services. https://doi.org/10.5880/GFZ.1.4.2016.001 Status I N R E V I E W : Falchi, Fabio; Cinzano, Pierantonio; Duriscoe, Dan; Kyba, Christopher C. M.; Elvidge, Christopher D.; Baugh, Kimberly; Portnov, Boris; Rybnikova, Nataliya A.; Furgoni, Riccardo (2016): Supplement to: The New World Atlas of Artificial Night Sky Brightness. V. 1.1. GFZ Data Services. https://doi.org/10.5880/GFZ.1.4.2016.001
Abstract These are maps of artificial night sky radiance that were produced by the Light Pollution Science and Technology Institute (ISTIL), and described in the paper "The New World Atlas of Artificial Night Sky Brightness" (Falchi et al. 2016).
The data are stored in a 2.9 Gb geotiff file, on a 30 arcsecond grid. The map reports simulated zenith radiance data in [mcd/m^2]. The map is based on data from the VIIRS Day Night Band (DNB, MIller et al. 2013), which has been propagated through the atmosphere using the radiative transfer code reported in (Cinzano and Falchi, 2012). The upward emission function and the radiance calibration were obtained using data from Sky Quality Meters (including data from Duriscoe et al. 2007; Falchi 2010; Kyba et al 2013, 2015 and Zamorano et al. 2016).
Note that the maps report artificial light only! The zenith radiance from natural sources such as stars and the Milky Way are not included, and must be added in order to match the data that would be obtained from an actual outdoor measurement.
A kmz file for quick view of the data is also provided. Access to the FTP site to download the data can be requested via the data request form on the landing page.
Version History:
13 November 2019: change of the licence to CC BY NC 4.0 (after end of embargo period).
Additional Information Artificial lights raise the night sky luminance, creating the most visible effect of light pollution, artificial sky glow. Despite the increasing interest among scientists in fields such as ecology, astronomy, healthcare, land use planning, light pollution lacks a current quantification of its magnitude on a global scale. To overcome this, here we present the World atlas of the artificial sky luminance, computed with our light pollution propagation software using new high resolution satellite data and new precision sky brightness measurements. This atlas shows that more than 80% of the World and more than 99% of the U.S.A. and Europe populations live under light polluted skies. The Milky Way is hidden for more than one third of humanity, including 60% of Europeans and nearly 80% of North Americans. Moreover, 23% of World's lands between 75°N and 60°S, 88% of Europe and almost half of U.S.A. experience light polluted nights.
Authors Falchi, Fabio ;ISTIL - Istituto di Scienza e Tecnologia dell'Inquinamento Luminoso, Light Pollution Science and Technology Institute, Thiene, ItalyCinzano, Pierantonio;ISTIL - Istituto di Scienza e Tecnologia dell'Inquinamento Luminoso, Light Pollution Science and Technology Institute, Thiene, Italy Duriscoe, Dan;National Park Service, U.S. Department of Interior Kyba, Christopher C. M. ;GFZ German Research Centre for Geosciences, Potsdam, GermanyElvidge, Christopher D. ;Earth Observation Group, NOAA National Centers for Environmental Information, Boulder, Colorado, USABaugh, Kimberly ;Cooperative Institute for Research in the Environmental Sciences, University of Colorado, Boulder, USAPortnov, Boris ;Department of Natural Resources & Environ-mental Management, Faculty of Management, University of Haifa, IsraelRybnikova, Nataliya A. ;Department of Natural Resources & Environ-mental Management, Faculty of Management, University of Haifa, IsraelFurgoni, Riccardo;ISTIL - Istituto di Scienza e Tecnologia dell'Inquinamento Luminoso, Light Pollution Science and Technology Institute, Thiene, Italy Contact Contributors Grothe, Jakob
Keywords artificial light, ALAN, skyglow, light pollution, atlas, night, radiative transfer, Suomi NPP, Sky Quality Meter More Metadata datacite:
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Note that the maps report artificial light only! The zenith radiance from natural sources such as stars and the Milky Way are not included, and must be added in order to match the data that would be obtained from an actual outdoor measurement.
A kmz file for quick view of the data is also provided. Access to the FTP site to download the data can be requested via the data request form on the landing page.
Version History:
13 November 2019: change of the licence to CC BY NC 4.0 (after end of embargo period). statusMD_ProgressCode (codeList=http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ProgressCode codeListValue=Complete): Complete pointOfContactCI_ResponsiblePartyindividualNameCharacterString: Falchi, Fabio organisationNameCharacterString: ISTIL - Istituto di Scienza e Tecnologia dell'Inquinamento Luminoso, Light Pollution Science and Technology Institute, Thiene, Italy contactInfoCI_ContactaddressCI_AddresselectronicMailAddressCharacterString: falchi(_at_)istil.it onlineResourceCI_OnlineResourcelinkageURL: http://www.inquinamentoluminoso.it/istil/ functionCI_OnLineFunctionCode (codeList=http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode codeListValue=http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode_information): informtion roleCI_RoleCode (codeList=http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode codeListValue=pointOfContact): pointOfContact pointOfContactCI_ResponsiblePartyindividualNameCharacterString: Kyba, Christopher C. 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