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dc.contributor.authorBará Viñas, Salvador Xurxo
dc.contributor.authorLima, Raúl C.
dc.contributor.authorZamorano, Jaime
dc.date.accessioned2020-04-13T22:40:07Z
dc.date.available2020-04-13T22:40:07Z
dc.date.issued2019
dc.identifier.citationBará, S.; Lima, R.C.; Zamorano, J. Monitoring Long-Term Trends in the Anthropogenic Night Sky Brightness. Sustainability 2019, 11, 3070
dc.identifier.urihttp://hdl.handle.net/10347/21347
dc.description.abstractMonitoring long-term trends in the evolution of the anthropogenic night sky brightness is a demanding task due to the high dynamic range of the artificial and natural light emissions and the high variability of the atmospheric conditions that determine the amount of light scattered in the direction of the observer. In this paper, we analyze the use of a statistical indicator, the mFWHM, to assess the night sky brightness changes over periods of time larger than one year. The mFWHM is formally defined as the average value of the recorded magnitudes contained within the full width at half-maximum region of the histogram peak corresponding to the scattering of artificial light under clear skies in the conditions of a moonless astronomical night (sun below −18◦ , and moon below −5 ◦ ). We apply this indicator to the measurements acquired by the 14 SQM detectors of the Galician Night Sky Brightness Monitoring Network during the period 2015–2018. Overall, the available data suggest that the zenithal readings in the Sky Quality Meter (SQM) device-specific photometric band tended to increase during this period of time at an average rate of +0.09 magSQM/arcsec2 per year
dc.description.sponsorshipThis research was funded by Xunta de Galicia/FEDER, grant number ED431B 2017/64 (S.B.). J.Z. acknowledges the support from ACTION, a project funded by the European Union H2020-SwafS2018-1-824603. CITEUC is funded by National Funds through FCT—Foundation for Science and Technology (project: UID/MULTI/00611/2019) and FEDER—European Regional Development Fund through COMPETE 2020—Operational Programme Competitiveness and Internationalization, project: POCI-01-0145-FEDER006922 (R.C.L.)
dc.language.isoeng
dc.publisherMDPI
dc.rights© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectLight pollution measurement
dc.subjectRadiometry
dc.subjectPhotometry
dc.subjectEnvironmental monitoring
dc.subjectSky brightness
dc.titleMonitoring Long-Term Trends in the Anthropogenic Night Sky Brightness
dc.typejournal article
dc.identifier.doi10.3390/su11113070
dc.relation.publisherversionhttps://doi.org/10.3390/su11113070
dc.type.hasVersionVoR
dc.identifier.essn2071-1050
dc.rights.accessRightsopen access
dc.contributor.affiliationUniversidade de Santiago de Compostela. Departamento de Física Aplicada
dc.description.peerreviewedSI


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© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)
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 © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)





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