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Rybnikova, N.A.; Portnov, B.A. |
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Title |
Outdoor light and breast cancer incidence: a comparative analysis of DMSP and VIIRS-DNB satellite data |
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Journal Article |
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Year |
2016 |
Publication  |
International Journal of Remote Sensing |
Abbreviated Journal |
International Journal of Remote Sensing |
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Volume |
38 |
Issue |
21 |
Pages |
5952-5961 |
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Keywords |
Human Health |
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Abstract |
Several population-level studies explored the association between breast cancer (BC) incidence and artificial light-at-night (ALAN), and found higher BC rates in more lit areas. Most of these studies used ALAN satellite data, available from the United States Defence Meteorological Satellite Program (US-DMSP), while, in recent years, higher-resolution ALAN data sources, such as Visible Infrared Imaging Radiometer Suite Day-Night Band (VIIRS-DNB), have become available. The present study aims to determine whether the use of different ALAN data sources may affect the BC–ALAN association. As the test case, we use data on BC incidence rates in women residing in the Greater Haifa Metropolitan Area (GHMA; Israel), matching them with US-DMSP and VIIRS-DNB data on ALAN intensities, and controlling for several potential confounders, including age, fertility, and socio-economic status (SES). Both ordinary least squares (OLS) and spatial dependency models were used in the analysis. ALAN emerged as a stronger predictor of BC rates in models based on better-resolution VIIRS-DNB estimates (t > 6.035; p < 0.01) than in models based on coarser US-DMSP data (t < 4.196; p < 0.01). |
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0143-1161 |
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LoNNe @ kyba @ |
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1552 |
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Barentine, J.C. |
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Title |
Going for the Gold : Quantifying and Ranking Visual Night Sky Quality in International Dark Sky Places |
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Journal Article |
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Year |
2016 |
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International Journal of Sustainable Lighting |
Abbreviated Journal |
IJSL |
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18 |
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9-15 |
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Society; conservation; dark sky places; dark sky; National parks; dark sky parks; national parks; Luminescent Measurements; Night sky brightness |
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Since the invention of electric lighting in the nineteenth century, the steadily increasing use of artificial light at night in outdoor spaces has grown to threaten the integrity of dark night skies and nocturnal terrestrial spaces. The conservation community has gradually come to accept the need to protect natural nighttime darkness, which finds expression in dark sky parks and similar protected areas. As these places begin to reap tangible economic benefits in the form of sustainable ‘astrotourism,’ the movement to actively protect them gains strength. The International Dark-Sky Association designates Dark Sky Parks and Reserves under a comparative ranking scheme that assigns night sky quality tiers according to a combination of objective and subjective characteristics, but shortcomings in the consistency of these ratings exist that undermine the consistency and reputation of the designation program. Here we consider potential changes to the qualification regime to make the ratings system more robust for the benefit of future designations. |
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3323 N 1st Ave, Tucson, AZ, 85719 USA; john(at)darksky.org |
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International Journal of Sustainable Lighting |
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English |
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English |
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2586-1247 |
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IDA @ john @ |
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1779 |
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Stone, R.A.; Cohen, Y.; McGlinn, A.M.; Davison, S.; Casavant, S.; Shaffer, J.; Khurana, T.S.; Pardue, M.T.; Iuvone, P.M. |
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Title |
Development of Experimental Myopia in Chicks in a Natural Environment |
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Journal Article |
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2016 |
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Investigative Ophthalmology & Visual Science |
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Invest Ophthalmol Vis Sci |
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57 |
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11 |
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4779-4789 |
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Animals; Vision |
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PURPOSE: The hypothesis that outdoor exposure might protect against myopia has generated much interest, although available data find only modest clinical efficacy. We tested the effect of outdoor rearing on form-deprivation myopia in chicks, a myopia model markedly inhibited by high-intensity indoor laboratory lighting. METHODS: Unilaterally goggled cohorts of White Leghorn chicks were maintained in a species-appropriate, outdoor rural setting during daylight hours to the extent permitted by weather. Control chicks were reared indoors with incandescent lighting. Besides ocular refraction and ultrasound, we determined dopamine and 3,4-dihydroxyphenylacetic acid (DOPAC) content in retina and vitreous and measured mRNA expression levels of selected clock and circadian rhythm-related genes in the retina/RPE. RESULTS: Myopia developed in the goggled eyes of all cohorts. Whereas outdoor rearing lessened myopia by 44% at 4 days, a protective effect was no longer evident at 11 days. Outdoor rearing had no consistent effect on retinal or vitreous content of dopamine or DOPAC. Conforming to prior data on form-deprivation myopia, retina and vitreous levels of DOPAC were reduced in goggled eyes. Compared with contralateral eyes, the retinal expression of clock and circadian rhythm-related genes was modestly altered in myopic eyes of chicks reared indoors or outdoors. CONCLUSIONS: Outdoor rearing of chicks induces only a partial decrease of goggle-induced myopia that is not maintained, without evidence that retinal dopamine metabolism accounts for the partial myopia inhibition under these outdoor conditions. Although modest, alterations in retinal gene expression suggest that studying circadian signals might be informative for understanding refractive mechanisms. |
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Department of Ophthalmology, Emory University School of Medicine, Atlanta, Georgia, United States 7Department of Pharmacology, Emory University School of Medicine, Atlanta, Georgia, United States |
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0146-0404 |
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PMID:27618415; PMCID:PMC5024671 |
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LoNNe @ kyba @ |
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1538 |
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Author |
Nurbandi, W.; Yusuf, F.R.; Prasetya, R.; Afrizal, M.D. |
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Using Visible Infrared Imaging Radiometer Suite (VIIRS) Imagery to identify and analyze light pollution |
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Journal Article |
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2016 |
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IOP Conference Series: Earth and Environmental Science |
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IOP Conf. Ser.: Earth Environ. Sci. |
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47 |
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012040 |
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Remote Sensing; Indonesia; VIIRS; VIIRS-DNB; ground validation; Yogyakarta |
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Light pollution is any adverse effect of artificial lighting including sky glow, glare, light trespass, light clutter, decreased visibility at night, and energy waste. Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object. Remote sensing can be used for identification of light pollution. The purpose of this study is to identify and analyze the light pollution by using remote sensing imagery. This study uses VIIRS DNB Free Cloud Composites imagery to identify light pollution in Yogyakarta province and surrounding areas. VIIRS imagery which obtained is processed to get information of light pollution by classifying the information into several classes presented in a map. Selected few sample points as test sites to determine the actual condition. Field work conducted at theree location, they are Yogyakarta City, Depok Beach, and Gajah Mungkur reservoir. Night sky condition analysis conducted field tests as well as night time shooting the night sky conditions. Analysis of the night sky conditions are calculated qualitatively using Bortle Dark-Sky Scale with a value range of 1-9. Field test results show that Yogyakarta City has a value of 8, Depok has a value of 3, and Gajah Mungkur Reservoir has a value of 4. The conclusion of study is VIIRS imagery can be used for identification light pollution and calculation analysis of light pollution can use Bortle Dark-Sky Scale. |
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Faculty of Geography, Universitas Gadjah Mada, Yogyakarta, Indonesia; wahyunurbandi.ipa130 (at) gmail.com |
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IOP |
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English |
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1755-1307 |
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IDA @ john @ |
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1652 |
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Ratnasari, N.; Candra, E.D.; Saputra, D.H.; Perdana, A.P. |
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Title |
Urban Spatial Pattern and Interaction based on Analysis of Nighttime Remote Sensing Data and Geo-social Media Information |
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Journal Article |
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2016 |
Publication |
IOP Conference Series: Earth and Environmental Science |
Abbreviated Journal |
IOP Conf. Ser.: Earth Environ. Sci. |
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47 |
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012038 |
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Keywords |
remote sensing; geo-social media; spatial pattern; spatial interaction; urban; Indonesia |
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Urban development in Indonesia significantly increasing in line with rapid development of infrastructure, utility, and transportation network. Recently, people live depend on lights at night and social media and these two aspects can depicted urban spatial pattern and interaction. This research used nighttime remote sensing data with the VIIRS (Visible Infrared Imaging Radiometer Suite) day-night band detects lights, gas flares, auroras, and wildfires. Geo-social media information derived from twitter data gave big picture on spatial interaction from the geospatial footprint. Combined both data produced comprehensive urban spatial pattern and interaction in general for Indonesian territory. The result is shown as a preliminary study of integrating nighttime remote sensing data and geospatial footprint from twitter data. |
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Undergraduate Program of Cartography and Remote Sensing, Department of Geographic Information Science, Faculty of Geography, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia; nila.ratnasari(at)mail.ugm.ac.id |
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IOP |
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English |
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English |
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1755-1307 |
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IDA @ john @ |
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1653 |
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