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Author Kyba CCM; Bouroussis C; Canal-Domingo R; Falchi F; Giacomelli A; Hänel A; Kolláth Z; Massetti L; Ribas SJ; Spoelstra H; Tong KP; Wuchterl G url  openurl
  Title Report of the 2015 LoNNe Intercomparison Campaign Type Journal Article
  Year 2015 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords skyglow  
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  Corporate Author Thesis  
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  Language Summary Language Original Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (down) LoNNe @ kyba @; IDA @ john @; GFZ @ kyba @ Serial 1255  
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Author Román, M.O.; Stokes, E.C. url  doi
openurl 
  Title Holidays in lights: Tracking cultural patterns in demand for energy services: TRACKING CULTURAL PATTERNS IN DEMAND FOR ENERGY SERVICES Type Journal Article
  Year 2015 Publication Earth's Future Abbreviated Journal Earth's Future  
  Volume 3 Issue 6 Pages 182-205  
  Keywords remote sensing, energy, lighting, society  
  Abstract Successful climate change mitigation will involve not only technological innovation, but also innovation in how we understand the societal and individual behaviors that shape the demand for energy services. Traditionally, individual energy behaviors have been described as a function of utility optimization and behavioral economics, with price restructuring as the dominant policy lever. Previous research at the macro-level has identified economic activity, power generation and technology, and economic role as significant factors that shape energy use. However, most demand models lack basic contextual information on how dominant social phenomenon, the changing demographics of cities, and the sociocultural setting within which people operate, affect energy decisions and use patterns. Here we use high-quality Suomi-NPP VIIRS nighttime environmental products to: (1) observe aggregate human behavior through variations in energy service demand patterns during the Christmas and New Year's season and the Holy Month of Ramadan and (2) demonstrate that patterns in energy behaviors closely track sociocultural boundaries at the country, city, and district level. These findings indicate that energy decision making and demand is a sociocultural process as well as an economic process, often involving a combination of individual price-based incentives and societal-level factors. While nighttime satellite imagery has been used to map regional energy infrastructure distribution, tracking daily dynamic lighting demand at three major scales of urbanization is novel. This methodology can enrich research on the relative importance of drivers of energy demand and conservation behaviors at fine scales. Our initial results demonstrate the importance of seating energy demand frameworks in a social context.  
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  ISSN 2328-4277 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (down) LoNNe @ kyba @; GFZ @ kyba @ Serial 1296  
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Author Jechow, A.; Hölker, F.; Kolláth, Z.; Gessner, M.O.; Kyba, C.C.M. url  doi
openurl 
  Title Evaluating the summer night sky brightness at a research field site on Lake Stechlin in northeastern Germany Type Journal Article
  Year 2016 Publication Journal of Quantitative Spectroscopy and Radiative Transfer Abbreviated Journal Journal of Quantitative Spectroscopy and Radiative Transfer  
  Volume 181 Issue Pages 24-32  
  Keywords Skyglow  
  Abstract We report on luminance measurements of the summer night sky at a field site on a freshwater lake in northeastern Germany (Lake Stechlin) to evaluate the amount of artificial skyglow from nearby and distant towns in the context of a planned study on light pollution. The site is located about 70 km north of Berlin in a rural area possibly belonging to one of the darkest regions in Germany. Continuous monitoring of the zenith sky luminance between June and September 2015 was conducted utilizing a Sky Quality Meter. With this device, typical values for clear nights in the range of 21.5–21.7 magSQM/arcsec2 were measured, which is on the order of the natural sky brightness during starry nights. On overcast nights, values down to 22.84 magSQM/arcsec2 were obtained, which is about one third as bright as on clear nights. The luminance measured on clear nights as well as the darkening with the presence of clouds indicate that there is very little influence of artificial skyglow on the zenith sky brightness at this location. Furthermore, fish-eye lens sky imaging luminance photometry was performed with a digital single-lens reflex camera on a clear night in the absence of moonlight. The photographs unravel several distant towns as possible sources of light pollution on the horizon. However, the low level of artificial skyglow makes the field site at Lake Stechlin an excellent location to study the effects of skyglow on a lake ecosystem in a controlled fashion.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0022-4073 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (down) LoNNe @ kyba @; GFZ @ kyba @ Serial 1354  
Permanent link to this record
 

 
Author Kolláth, Z.; Dömény, A.; Kolláth, K.; Nagy, B. url  doi
openurl 
  Title Qualifying lighting remodelling in a Hungarian city based on light pollution effects Type Journal Article
  Year 2016 Publication Journal of Quantitative Spectroscopy and Radiative Transfer Abbreviated Journal Journal of Quantitative Spectroscopy and Radiative Transfer  
  Volume 181 Issue Pages 46-51  
  Keywords Skyglow; Lighting  
  Abstract The public lighting system has been remodelled in several Hungarian cities. In some cases the majority of the old luminaries were fitted with high pressure sodium lamps and they were replaced with white LED lighting with a typical correlated colour temperature of about 4500 K. Therefore, these remodelling works provide a testbed for methods in measurements and modelling. We measured the luminance of the light domes of selected cities by DSLR photometry before and after the remodelling.

Thanks to the full cut off design of the new lighting fixtures we obtained a slight decrease even in the blue part of the sky dome spectra of a tested city. However, we have to note that this positive change is the result of the bad geometry (large ULR) of the previous lighting system. Based on Monte Carlo radiative transfer calculations we provide a comparison of different indicators that can be used to qualify the remodelling, and to predict the possible changes in light pollution.
 
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0022-4073 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (down) LoNNe @ kyba @; GFZ @ kyba @ Serial 1375  
Permanent link to this record
 

 
Author Warrant, E. url  doi
openurl 
  Title Superior vision in nocturnal insects inspires new night vision technologies Type Newspaper Article
  Year 2016 Publication SPIE Newsroom Abbreviated Journal SPIE Newsroom  
  Volume Issue Pages  
  Keywords Vision; Animals; Instrumentation  
  Abstract Algorithms that dramatically improve the quality of video sequences captured in very dim light have been developed on the basis of the neural mechanisms in nocturnal insects with excellent visual capabilities.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1818-2259 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number (down) LoNNe @ kyba @; GFZ @ kyba @ Serial 1418  
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