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Visible Earth: City Lights of Europe
Growth in "mega-cities" is altering the landscape and the atmosphere in such a way as to curtail normal photosynthesis. By using data from The Defense Meteorological Satellite Program's Operational Linescan System, researchers have been able to look at urban sprawl by monitoring the emission of light from cities at night. By overlaying these "light maps" onto other data such as soil and vegetation maps, the research shows that urbanization can have a variable but measurable impact on photosynthetic productivity. This site consists of an image of the city lights of Europe at night. It is available as either a JPEG or GIF file, and links to other parts of the Visible Earth website are provided.
Intended for grade levels:
  • Primary (K-2)
  • Intermediate (3-5)
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • Visual:
    • Imagery - remotely sensed
Subject:
  • Physics
  • Space science
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
NASA materials may not be used to state or imply the endorsement by NASA or by any NASA employee of a commercial product, service or activity, or used in any other manner that might mislead. NASA should be acknowledged as the source of its material. It is unlawful to falsely claim copyright or other rights in NASA material. NASA shall in no way be liable for any costs, expenses, claims or demands arising out of use of NASA's cassettes and photographs by a recipient or a recipient's distributees. NASA personnel are not authorized to sign indemnity or hold harmless statements, releases from copyright infringement, or documents granting exclusive use rights.
DLESE Catalog ID: NASA-Edmall-2751
Resource contact / Creator / Publisher:
Contributor: NASA GSFC Scientific Visualization Studio