{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T03:13:21Z","timestamp":1769051601271,"version":"3.49.0"},"reference-count":73,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2022,4,25]],"date-time":"2022-04-25T00:00:00Z","timestamp":1650844800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100010790","name":"ERASMUS+","doi-asserted-by":"publisher","award":["2018-1-SK01-KA201-046312"],"award-info":[{"award-number":["2018-1-SK01-KA201-046312"]}],"id":[{"id":"10.13039\/501100010790","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>There are several tools and methods to quantify light pollution due to direct or reflected light emitted towards the sky. Unmanned aerial vehicles (UAV) are still rarely used in light pollution studies. In this study, a digital camera and a sky quality meter mounted on a UAV have been used to study the relationship between indices computed on night images and night ground brightness (NGB) measured by an optical device pointed downward towards the ground. Both measurements were taken simultaneously during flights at an altitude of 70 and 100 m, and with varying exposure time. NGB correlated significantly both with the brightness index (\u22120.49 \u00f7 \u22120.56) and with red (\u22120.52 \u00f7 \u22120.58) and green band indices (\u22120.42 \u00f7 \u22120.58). A linear regression model based on the luminous intensity index was able to estimate observed NGB with an RMSE varying between 0.21 and 0.46 mpsas. Multispectral analysis applied to images taken at 70 m showed that increasing exposure time might cause a saturation of the colors of the image, especially in the red band, that worsens the correlation between image indices and NGB. Our study suggests that the combined use of low cost devices such as UAV and a sky quality meter can be used for assessing hotspot areas of light pollution originating from the surface.<\/jats:p>","DOI":"10.3390\/rs14092052","type":"journal-article","created":{"date-parts":[[2022,4,26]],"date-time":"2022-04-26T02:14:39Z","timestamp":1650939279000},"page":"2052","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Monitoring Light Pollution with an Unmanned Aerial Vehicle: A Case Study Comparing RGB Images and Night Ground Brightness"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0941-5347","authenticated-orcid":false,"given":"Luciano","family":"Massetti","sequence":"first","affiliation":[{"name":"Istituto per la BioEconomia del Consiglio Nazionale delle Ricerche, IBE\u2013CNR, 50019 Sesto Fiorentino, FI, Italy"}]},{"given":"Marco","family":"Paterni","sequence":"additional","affiliation":[{"name":"Istituto di Fisiologia Clinica del Consiglio Nazionale delle Ricerche, IFC\u2013CNR, 56124 Pisa, PI, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4537-2903","authenticated-orcid":false,"given":"Silvia","family":"Merlino","sequence":"additional","affiliation":[{"name":"Istituto di Scienze Marine del Consiglio Nazionale delle Ricerche, ISMAR\u2013CNR, 19032 Lerici, SP, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2022,4,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"681","DOI":"10.1016\/j.tree.2010.09.007","article-title":"Light pollution as a biodiversity threat","volume":"25","author":"Hoelker","year":"2010","journal-title":"Trends Ecol. Evol."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1126\/sciadv.1701528","article-title":"Artificially lit surface of Earth at night increasing in radiance and extent","volume":"3","author":"Kyba","year":"2017","journal-title":"Sci. Adv."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1637","DOI":"10.1007\/s10980-013-9936-3","article-title":"Do artificially illuminated skies affect biodiversity in nocturnal landscapes?","volume":"28","author":"Kyba","year":"2013","journal-title":"Landsc. Ecol."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1177\/1477153513506729","article-title":"The relation of outdoor lighting characteristics to skyglow from distant cities","volume":"46","author":"Duriscoe","year":"2014","journal-title":"Light Res. Technol."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"191","DOI":"10.1890\/1540-9295(2004)002[0191:ELP]2.0.CO;2","article-title":"Ecological light pollution","volume":"2","author":"Longcore","year":"2004","journal-title":"Front. Ecol. Environ."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"912","DOI":"10.1111\/brv.12036","article-title":"The ecological impacts of nighttime light pollution: A mechanistic appraisal","volume":"88","author":"Gaston","year":"2013","journal-title":"Biol. Rev."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"347","DOI":"10.1890\/130281","article-title":"The nature, extent, and ecological implications of marine light pollution","volume":"12","author":"Davies","year":"2014","journal-title":"Front. Ecol. Environ."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"1132","DOI":"10.1111\/cobi.12462","article-title":"Quantifying the erosion of natural darkness in the global protected area system: Decline of darkness within protected areas","volume":"29","author":"Gaston","year":"2015","journal-title":"Conserv. Biol."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"611","DOI":"10.1111\/1365-2745.12551","article-title":"Ecological effects of artificial light at night on wild plants","volume":"104","author":"Bennie","year":"2016","journal-title":"J. Ecol."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"108","DOI":"10.1016\/j.ocecoaman.2017.12.013","article-title":"Reduction of sea turtle population recruitment caused by nightlight: Evidence from the Mediterranean region","volume":"153","author":"Dimitriadis","year":"2018","journal-title":"Ocean. Coast Manag."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1111\/aab.12440","article-title":"Insect declines and agroecosystems: Does light pollution matter?: Insect declines and agroecosystems","volume":"173","author":"Grubisic","year":"2018","journal-title":"Ann. Appl. Biol."},{"key":"ref_12","doi-asserted-by":"crossref","unstructured":"Grubisic, M., Haim, A., Bhusal, P., Dominoni, D.M., Gabriel, K.M.A., Jechow, A., Kupprat, F., Lerner, A., Marchant, P., and Riley, W. (2019). Light pollution, circadian photoreception, and melatonin in vertebrates. Sustainability, 11.","DOI":"10.3390\/su11226400"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"113314","DOI":"10.1016\/j.envpol.2019.113314","article-title":"Multisensory pollution: Artificial light at night and anthropogenic noise have interactive effects on activity patterns of great tits (Parus major)","volume":"256","author":"Dominoni","year":"2020","journal-title":"Environ. Pollut."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"694","DOI":"10.1111\/1365-2435.13485","article-title":"Artificial light at night erases positive interactions across trophic levels","volume":"34","author":"Maggi","year":"2020","journal-title":"Funct. Ecol."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"114206","DOI":"10.1016\/j.envpol.2020.114206","article-title":"Light pollution disrupts molecular clock in avian species: A power-calibrated meta-analysis","volume":"265","author":"Yang","year":"2020","journal-title":"Environ. Pollut."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"65","DOI":"10.21273\/JASHS.100.1.65","article-title":"Effectiveness of five vision-lighting sources on photoregulation of 22 species of ornamental plants","volume":"100","author":"Cathey","year":"1975","journal-title":"J. Am. Soc. Hortic. Sci."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"20160813","DOI":"10.1098\/rspb.2016.0813","article-title":"Light pollution is associated with earlier tree budburst across the United Kingdom","volume":"283","author":"Bennie","year":"2016","journal-title":"Proc. R. Soc. B"},{"key":"ref_18","first-page":"282","article-title":"Effects of light pollution on tree phenology in the urban environment","volume":"25","year":"2017","journal-title":"Morav. Geogr. Rep."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"2698","DOI":"10.1111\/1365-2664.13240","article-title":"Artificial light at night causes top-down and bottom-up trophic effects on invertebrate populations","volume":"55","author":"Bennie","year":"2018","journal-title":"J. Appl. Ecol."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1016\/j.ufug.2018.05.015","article-title":"Assessing the impact of street lighting on Platanus x acerifolia phenology","volume":"34","author":"Massetti","year":"2018","journal-title":"Urban Urban Green"},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"20140121","DOI":"10.1098\/rstb.2014.0121","article-title":"Artificial light at night: Melatonin as a mediator between the environment and epigenome","volume":"370","author":"Haim","year":"2015","journal-title":"Phil. Trans. R. Soc. B"},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"94","DOI":"10.1016\/j.lfs.2017.02.008","article-title":"Association between light at night, melatonin secretion, sleep deprivation, and the internal clock: Health impacts and mechanisms of circadian disruption","volume":"173","author":"Touitou","year":"2017","journal-title":"Life Sci."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"1725","DOI":"10.1007\/s10980-020-01053-1","article-title":"The impact of artificial light at night on human and ecosystem health: A systematic literature review","volume":"35","author":"Svechkina","year":"2020","journal-title":"Landsc. Ecol."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"1705","DOI":"10.3390\/rs6021705","article-title":"Evaluating the Ability of NPP-VIIRS Nighttime Light Data to Estimate the Gross Domestic Product and the Electric Power Consumption of China at Multiple Scales: A Comparison with DMSP-OLS Data","volume":"6","author":"Shi","year":"2014","journal-title":"Remote Sens."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1016\/j.rse.2016.02.017","article-title":"Quantifying urban light pollution\u2014A comparison between field measurements and EROS-B imagery","volume":"177","author":"Katz","year":"2016","journal-title":"Remote Sens. Environ."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"111443","DOI":"10.1016\/j.rse.2019.111443","article-title":"Remote sensing of night lights: A review and an outlook for the future","volume":"237","author":"Levin","year":"2020","journal-title":"Remote Sens. Environ."},{"key":"ref_27","doi-asserted-by":"crossref","unstructured":"Barentine, J.C., Walczak, K., Gyuk, G., Tarr, C., and Longcore, T. (2021). A Case for a New Satellite Mission for Remote Sensing of Night Lights. Remote Sens., 13.","DOI":"10.3390\/rs13122294"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"32","DOI":"10.26607\/ijsl.v18i0.19","article-title":"How clouds are amplifying (or not) the effects of ALAN","volume":"35","author":"Ribas","year":"2016","journal-title":"Int. J. Sustain. Light"},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1016\/j.jqsrt.2018.03.010","article-title":"Systematic measurements of the night sky brightness at 26 locations in Eastern Austria","volume":"211","author":"Posch","year":"2018","journal-title":"J. Quant. Spectrosc. Radiat. Transf."},{"key":"ref_30","doi-asserted-by":"crossref","unstructured":"Bar\u00e1, S., Lima, R.C., and Zamorano, J. (2019). Monitoring Long-Term Trends in the Anthropogenic Night Sky Brightness. Sustainability, 11.","DOI":"10.3390\/su11113070"},{"key":"ref_31","doi-asserted-by":"crossref","unstructured":"Bertolo, A., Binotto, R., Ortolani, S., and Sapienza, S. (2019). Measurements of Night Sky Brightness in the Veneto Region of Italy: Sky Quality Meter Network Results and Differential Photometry by Digital Single Lens Reflex. J. Imaging, 5.","DOI":"10.3390\/jimaging5050056"},{"key":"ref_32","unstructured":"Montesinos, B., Asensio Ramos, A., Buitrago, F., Sch\u00f6del, R., Villaver, E., P\u00e9rez-Hoyos, S., and Ord\u00f3\u00f1ez-Etxeberria, I. (2018, January 16\u201320). Night sky brightness monitoring in Spain. Proceedings of the Highlights on Spanish Astrophysics X. Proceedings of the XIII Scientific Meeting of the Spanish Astronomical Society, Salamanca, Spain."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"107250","DOI":"10.1016\/j.jqsrt.2020.107250","article-title":"Drivers of artificial light at night variability in urban, rural and remote areas","volume":"255","author":"Massetti","year":"2020","journal-title":"J. Quant. Spectro. Radiat. Trans."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"110196","DOI":"10.1016\/j.jenvman.2020.110196","article-title":"A photometric mapping of the night sky brightness of the Maltese islands","volume":"261","author":"Caruana","year":"2020","journal-title":"J. Environ. Manag."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1016\/j.jqsrt.2016.04.027","article-title":"Urban artificial light emission function determined experimentally using night sky images","volume":"181","author":"Lampar","year":"2016","journal-title":"J. Quant. Spectrosc. Radiat."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"6741","DOI":"10.1038\/s41598-017-06998-z","article-title":"Imaging and mapping the impact of clouds on skyglow with all-sky photometry","volume":"7","author":"Jechow","year":"2017","journal-title":"Sci. Rep."},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"61","DOI":"10.26607\/ijsl.v19i1.70","article-title":"Night sky quality monitoring in existing and planned dark sky parks by digital cameras","volume":"19","year":"2017","journal-title":"Int. J. Sustain. Light"},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"212","DOI":"10.1016\/j.jqsrt.2018.01.032","article-title":"Tracking the dynamics of skyglow with differential photometry using a digital camera with fisheye lens","volume":"209","author":"Jechow","year":"2018","journal-title":"J. Quant. Spectrosc. Radiat. Transf."},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"278","DOI":"10.1016\/j.jqsrt.2017.09.008","article-title":"Measuring night sky brightness: Methods and challenges","volume":"205","author":"Posch","year":"2018","journal-title":"J. Quant. Spectrosc. Radiat. Transf."},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"2966","DOI":"10.1093\/mnras\/stx145","article-title":"Sky Quality Meter measurements in a colour-changing world","volume":"467","author":"Zamorano","year":"2017","journal-title":"Mon. Not. R. Astron. Soc."},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"1095","DOI":"10.1093\/mnras\/staa4019","article-title":"Correcting sky-quality-meter measurements for ageing effects using twilight as calibrator","volume":"502","author":"Puschnig","year":"2021","journal-title":"Mon. Not. R. Astron. Soc."},{"key":"ref_42","doi-asserted-by":"crossref","unstructured":"Bartolomei, M., Olivieri, L., Bettanini, C., Cavazzani, S., and Fiorentin, P. (2021). Verification of Angular Response of Sky Quality Meter with Quasi-Punctual Light Sources. Sensors, 21.","DOI":"10.3390\/s21227544"},{"key":"ref_43","unstructured":"Schmidt, W., and Spoelstra, H. (2020). Darkness Monitoring in the Netherlands 2009\u20132019, NachtMeetnet."},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"e1600377","DOI":"10.1126\/sciadv.1600377","article-title":"The new world atlas of artificial night sky brightness","volume":"2","author":"Falchi","year":"2016","journal-title":"Sci. Adv."},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"1","DOI":"10.3390\/rs70100001","article-title":"High-resolution imagery of earth at night: New sources, opportunities and challenges","volume":"7","author":"Kyba","year":"2015","journal-title":"Remote Sens."},{"key":"ref_46","doi-asserted-by":"crossref","first-page":"111357","DOI":"10.1016\/j.rse.2019.111357","article-title":"Anisotropic characteristic of artificial light at night\u2014systematic investigation with viirs dnb multi-temporal observations","volume":"233","author":"Li","year":"2019","journal-title":"Remote Sens. Environ."},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"216","DOI":"10.1177\/2399808319861645","article-title":"Analyzing the obstruction effects of obstacles on light pollution caused by street lighting system in cambridge, massachusetts","volume":"48","author":"Li","year":"2021","journal-title":"Environ. Plan. B Urban Anal. City Sci."},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"559","DOI":"10.3389\/fpls.2019.00559","article-title":"A Low-Cost and Unsupervised Image Recognition Methodology for Yield Estimation in a Vineyard","volume":"10","author":"Toscano","year":"2019","journal-title":"Front. Plant Sci."},{"key":"ref_49","doi-asserted-by":"crossref","unstructured":"Dainelli, R., Toscano, P., Di Gennaro, S.F., and Matese, A. (2021). Recent Advances in Unmanned Aerial Vehicles Forest Remote Sensing\u2014A Systematic Review. Part II: Research Applications. Forests, 12.","DOI":"10.3390\/f12040397"},{"key":"ref_50","doi-asserted-by":"crossref","unstructured":"Luppichini, M., Bini, M., Paterni, M., Berton, A., and Merlino, S. (2020). A New Beach Topography-Based Method for Shoreline Identification. Water, 12.","DOI":"10.3390\/w12113110"},{"key":"ref_51","doi-asserted-by":"crossref","first-page":"139632","DOI":"10.1016\/j.scitotenv.2020.139632","article-title":"Mapping marine litter on coastal dunes with unmanned aerial systems: A showcase on the Atlantic Coast","volume":"736","author":"Andriolo","year":"2020","journal-title":"Sci. Total Environ."},{"key":"ref_52","doi-asserted-by":"crossref","unstructured":"Merlino, S., Paterni, M., Berton, A., and Massetti, L. (2020). Unmanned Aerial Vehicles for Debris Survey in Coastal Areas: Long-Term Monitoring Programme to Study Spatial and Temporal Accumulation of the Dynamics of Beached Marine Litter. Remote Sens., 12.","DOI":"10.3390\/rs12081260"},{"key":"ref_53","doi-asserted-by":"crossref","first-page":"112347","DOI":"10.1016\/j.marpolbul.2021.112347","article-title":"Assessment of marine litter through remote sensing: Recent approaches and future goals","volume":"168","author":"Bauza","year":"2021","journal-title":"Mar. Pollut. Bull."},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"3935","DOI":"10.1038\/s41598-021-83477-6","article-title":"Citizen science for monitoring seasonal-scale beach erosion and behaviour with aerial drones","volume":"11","author":"Pucino","year":"2021","journal-title":"Sci. Rep."},{"key":"ref_55","doi-asserted-by":"crossref","unstructured":"Merlino, S., Paterni, M., Locritani, M., Andriolo, U., Gon\u00e7alves, G., and Massetti, L. (2021). Citizen science for marine litter detection and classification on Unmanned Aerial Vehicle images. Water, 13.","DOI":"10.3390\/w13233349"},{"key":"ref_56","doi-asserted-by":"crossref","first-page":"107155","DOI":"10.1016\/j.jqsrt.2020.107155","article-title":"Assessment of outdoor lighting installations and their impact on light pollution using unmanned aircraft systems-The concept of the drone-gonio-photometer","volume":"253","author":"Bouroussis","year":"2020","journal-title":"J. Quant. Spectrosc. Radiat. Transf."},{"key":"ref_57","unstructured":"Reagan, J. (2022, April 21). Spanish Company Deploys Drones to Battle Light Pollution. Available online: https:\/\/dronelife.com\/2018\/02\/13\/spanish-company-deploys-drones-battle-lightpollution\/."},{"key":"ref_58","doi-asserted-by":"crossref","unstructured":"Fiorentin, P., Bettanini, C., and Bogoni, D. (2019). Calibration of an Autonomous Instrument for Monitoring Light Pollution from Drones. Sensors, 23.","DOI":"10.3390\/s19235091"},{"key":"ref_59","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/j.isprsjprs.2020.02.016","article-title":"Analyzing spatial variability in nighttime lights using a high spatial resolution color Jilin-1 image\u2014Jerusalem as a case study","volume":"163","author":"Guk","year":"2020","journal-title":"J. Photogramm. Remote Sens."},{"key":"ref_60","doi-asserted-by":"crossref","first-page":"8528","DOI":"10.1080\/01431161.2019.1615653","article-title":"Incorporating nocturnal UAV sideview images with VIIRS data for accurate population estimation: A test at the urban administrative district scale","volume":"40","author":"Kong","year":"2019","journal-title":"Int. J. Remote Sens."},{"key":"ref_61","doi-asserted-by":"crossref","unstructured":"Tabaka, P. (2020). Pilot Measurement of Illuminance in the Context of Light Pollution Performed with an Unmanned Aerial Vehicle. Remote Sens., 12.","DOI":"10.3390\/rs12132124"},{"key":"ref_62","doi-asserted-by":"crossref","first-page":"104","DOI":"10.1016\/j.buildenv.2018.09.002","article-title":"Mapping ambient light at night using field observations and high-resolution remote sensing imagery for studies of urban environments","volume":"145","author":"Xu","year":"2018","journal-title":"Build. Environ."},{"key":"ref_63","doi-asserted-by":"crossref","first-page":"111942","DOI":"10.1016\/j.rse.2020.111942","article-title":"Monitoring hourly night-time light by an unmanned aerial vehicle and its implications to satellite remote sensing","volume":"247","author":"Li","year":"2020","journal-title":"Remote Sens. Environ."},{"key":"ref_64","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1364\/JOSAA.32.000381","article-title":"Reference data set for camera spectral sensitivity estimation","volume":"32","author":"Darrodi","year":"2018","journal-title":"J. Opt. Soc. Am. A"},{"key":"ref_65","doi-asserted-by":"crossref","first-page":"19075","DOI":"10.1364\/OE.27.019075","article-title":"Standardized spectral and radiometric calibration of consumer cameras","volume":"27","author":"Burggraaff","year":"2019","journal-title":"Optics Express"},{"key":"ref_66","first-page":"107162","article-title":"Introducing the dark sky unit for multi-spectral measurement of the night sky quality with commercial digital cameras","volume":"253","author":"Cool","year":"2019","journal-title":"J. Quant. Spectro. Radiat. Trans."},{"key":"ref_67","doi-asserted-by":"crossref","unstructured":"Leeuw, T., and Boss, E. (2018). The HydroColor app: Above water measurements of remote sensing reflectance and turbidity using a smartphone camera. Sensors, 18.","DOI":"10.3390\/s18010256"},{"key":"ref_68","doi-asserted-by":"crossref","unstructured":"Kyba, C.C.M., Ruhtz, T., Fischer, J., and H\u00f6lker, F. (2011). Cloud Coverage Acts as an Amplifier for Ecological Light Pollution in Urban Ecosystems. PLoS ONE, 6.","DOI":"10.1371\/journal.pone.0017307"},{"key":"ref_69","doi-asserted-by":"crossref","first-page":"76","DOI":"10.1016\/j.jqsrt.2013.12.011","article-title":"The night sky brightness at Potsdam-Babelsberg including overcast and moonlit conditions","volume":"139","author":"Puschnig","year":"2014","journal-title":"J. Quant. Spectro. Radiat. Trans."},{"key":"ref_70","doi-asserted-by":"crossref","first-page":"2463","DOI":"10.1093\/mnras\/staa416","article-title":"Sky Quality Meter and satellite correlation for night cloud-cover analysis at astronomical sites","volume":"493","author":"Cavazzani","year":"2020","journal-title":"Mon. Not. R. Astron. Soc."},{"key":"ref_71","doi-asserted-by":"crossref","first-page":"106644","DOI":"10.1016\/j.jqsrt.2019.106644","article-title":"Monitoring transition: Expected night sky brightness trends in different photometric bands","volume":"239","author":"Rigueiro","year":"2019","journal-title":"J. Quant. Spectro. Radiat. Trans."},{"key":"ref_72","unstructured":"Cinzano, P. (2021, October 25). Report on Sky Quality Meter, Version L. Available online: http:\/\/unihedron.com\/projects\/sqm-l\/sqmreport2.pdf."},{"key":"ref_73","doi-asserted-by":"crossref","unstructured":"Poynton, C. (2012). Digital Video and HD: Algorithms and Interfaces, Elsevier.","DOI":"10.1016\/B978-0-12-391926-7.50063-1"}],"container-title":["Remote Sensing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2072-4292\/14\/9\/2052\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T23:00:29Z","timestamp":1760137229000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2072-4292\/14\/9\/2052"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,4,25]]},"references-count":73,"journal-issue":{"issue":"9","published-online":{"date-parts":[[2022,5]]}},"alternative-id":["rs14092052"],"URL":"https:\/\/doi.org\/10.3390\/rs14092052","relation":{},"ISSN":["2072-4292"],"issn-type":[{"value":"2072-4292","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,4,25]]}}}