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Author Mirzakhalil, S.H.; Bidgoli, S.A. openurl 
  Title A Photographic Investigation of Tehran's Light Pollution from North and East Directions Type Journal Article
  Year 2017 Publication Anthropogenic Pollution Abbreviated Journal  
  Volume 1 Issue 1 Pages 18-24  
  Keywords Skygow  
  Abstract Tehran is the most affected town by light pollution in Iran. In this study, the role of the regional topography in the distribution of light pollution in Tehran was evaluated using digital images recording and analyzing the obtained images from Tehran sky-glow by East and South in standard image-processing Software. The scale of Tehran's glowing =dome as measured by 17 mag/arc sec2 or 0.017 cd/m2 by South, and 18.7 (mag/arc sec2) or 0.0035 cd/m2 by East. Considering the approximately equal distance of the two viewpoints from the center of Tehran city, the calculated scale by South is 1.36 times larger than the amount from the East point.  
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  Call Number GFZ @ kyba @ Serial 3047  
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Author Torabi, M.J. openurl 
  Title The Possible Potentials of Astrotourism in Caucasus Type Journal Article
  Year 2020 Publication Communications of the Byurakan Astrophysical Observatory Abbreviated Journal  
  Volume 67 Issue 1 Pages 127-132  
  Keywords Astrotourism  
  Abstract Astrotourism is not a new topic, but it is certainly a title that has been in the forefront of tourismand astronomy for less than two decades. For nearly half a century, observatories and sciencecenters have been opening their doors to the public on special occasions, such as Astronomy Day.However, for less than a decade, astrotourism has been the constant presence of tourists alongsideprofessional astronomers, especially on weekends. They have made it possible by following allthe principles. Until the early 1990s, one of the most important countries in the world to hostthe world's largest astronomical observatories was the Soviet Union. The Caucasus region in theformer Soviet Union hosted very important observatories due to its high altitudes, pure nature, andvery low amount of light pollution and, of course, the proper weather in warm seasons. Byurakanin Armenia, Abastumani in Georgia, Shamakhi in Azerbaijan, and BTA-6 in Russia are the fourmain collections left from that period. Fortunately, nearly two decades after the independenceof the countries in the region, the restoration and updating of these observatories have been onthe agenda. One of the helping arms to accelerate the revival of these observatories is to takeadvantage of the potential of astrotourism; especially with the location of these three countriesnear Iran, which has one of the largest astronomy enthusiast communities in the region.  
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  Call Number GFZ @ kyba @ Serial 3094  
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Author Rayleigh, L. openurl 
  Title The Aurora Line in the Spectrum of the Night Sky Type Journal Article
  Year 1922 Publication Proceedings of the Royal Society of London. Series A Abbreviated Journal  
  Volume 100 Issue 705 Pages 367-378  
  Keywords Night Sky Brightness; Airglow  
  Abstract Several observers have found that the green line of unknown origin seen in the Aurora Borealis can also be seen in the sky on ordinary nights, and in comparatively low latitudes.  
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  Call Number GFZ @ kyba @ Serial 3126  
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Author Dick; R. openurl 
  Title The Biological Basis for the Canadian Guideline for Outdoor Lighting 2--Impact of the Brightness of Light. Type Journal Article
  Year 2020 Publication Journal of the Royal Astronomical Society of Canada Abbreviated Journal  
  Volume 114 Issue 5 Pages 205-210  
  Keywords Vison; Biology  
  Abstract One of the most obvious attributes of light is brightness. This paper will address specific brightness thresholds that have been found to impact animal health and behaviour, including humans. However, the meaning of brightness is vague and must be further refined and quantified. This paper will introduce and define these terms and will discuss the sensitivity of wildlife biology and behaviour to levels of luminance and illuminance. It may not be apparent from the common metrics used for “brightness” that a lamp will impact the ecosystem or human health. Our focus is on biology, which depends on the energy carried by the light, or its spectrum, and not strictly its apparent brightness. However, the subject of spectrum will be deferred to the third paper in this series.  
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  Call Number GFZ @ kyba @ Serial 3164  
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Author Gibson J.; Olivia S.; Boe-Gibson G. url  openurl
  Title A Test of DMPS and VIIRS Night Lights Data for Estimating GDP and Spatial Inequality for Rural and Urban Areas Type Journal Article
  Year 2019 Publication Working Paper in Economics Abbreviated Journal  
  Volume 19 Issue 11 Pages  
  Keywords Remote sensing; Economics  
  Abstract Night lights, as detected by satellites, are increasingly used by economists, especially to proxy for economic activity in poor countries. Widely used data from the Defense Meteorological Satellite Program (DMSP) have several flaws; blurring, top-coding, lack of calibration, and variation in sensor amplification that impairs comparability over time and space. These flaws are not present in newer data from the Visible Infrared Imaging Radiometer Suite (VIIRS) that is widely used in other disciplines. Economists have been slow to switch to these better VIIRS data, perhaps because flaws in DMSP are rarely emphasized. We show the relationship between night lights and Indonesian GDP at the second sub-national level for 497 spatial units. The DMSP data are not a suitable proxy for GDP outside of cities. Within the urban sector, the lights-GDP relationship is twice as noisy using DMSP as using VIIRS. Spatial inequality is considerably understated by the DMSP data. A Pareto adjustment to correct for top-coding in DMSP data has a modest effect but still understates spatial inequality and misses much of the intra-city heterogeneity in the brightness of lights for Jakarta.  
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  Notes Approved no  
  Call Number UP @ altintas1 @ Serial 3159  
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