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Author (up) Gabriel, K.M.A.; Kuechly, H.U.; Falchi, F.; Wosniok, W.; Hölker, F. url  doi
  Title Resources of dark skies in German climatic health resorts Type Journal Article
  Year 2017 Publication International Journal of Biometeorology Abbreviated Journal Int J Biometeorol  
  Volume 61 Issue 2 Pages 11-22  
  Keywords Circadian rhythm; Germany; Health resorts; Light pollution; Regulation; Remote sensing  
  Abstract Illumination of nocturnal environments is increasing steadily worldwide. While there are some benefits for mankind, light at night affects animals, plants, and human health by blurring the natural distinction between day and night. International regulations exist to protect the environment for the maintenance of human health but nocturnal darkness is not considered. In Germany, cities and communities labeled as Climatic Health Resorts provide for high standards in air quality. However, their degree of nocturnal darkness is unexplored so far. In our study, we examined the degree of nocturnal darkness in German Climatic Health Resorts by two datasets based on georeferenced remote sensing data. The majority of Climatic Health Resorts (93.1 %) are able to offer a relative respite (>/= 20 mag/arcsec2) from a degraded nocturnal environment, while only 3.4 % are able to offer a dark, if by no means pristine, night environment (>/= 21 mag/arcsec2). Climatic Health Resorts emit less light as well as are less affected by night sky brightness compared to the average of non-classified communities. In combination with daytime requirements, the resorts provide conditions for a more distinct day-and-night-cycle than non-classified communities.  
  Address Leibniz-Institute for Freshwater Ecology and Inland Fisheries, Berlin, Germany  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0020-7128 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27192999 Approved no  
  Call Number LoNNe @ kyba @ Serial 1456  
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