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Author (up) Tuttle, B. T., Anderson, S. J., Sutton, P. C., Elvidge, C. D., & Baugh, K. url  doi
  Title It Used To Be Dark Here Type Journal Article
  Year 2013 Publication American Society for Photogrammetry and Remote Sensing Abbreviated Journal  
  Volume 3 Issue 11 Pages 287-297  
  Keywords Remote Sensing  
  Abstract Nighttime satellite imagery from the Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS) has a unique capability to observe nocturnal light emissions from sources including cities, wild fires, and gas flares. Data from the DMSP OLS is used in a wide range of studies including mapping urban areas, estimating informal economies, and estimations of population. Given the extensive and increasing list of applications a repeatable method for assessing geolocation accuracy would be beneficial. An array of portable lights was designed and taken to multiple field sites known to have no other light sources. The lights were operated during nighttime overpasses by the DMSP OLS and observed in the imagery. An assessment of the geolocation accuracy was performed by measuring the distance between the GPS measured location of the lights and the observed location in the imagery. A systematic shift was observed and the mean distance was measured at 2.9 km.  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number IDA @ intern @ Serial 2520  
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