File:Oldest Arctic Sea Ice is Disappearing.png

Original file ‎(3,000 × 3,375 pixels, file size: 6.94 MB, MIME type: image/png)

Summary

Description
English: The image shows sea ice coverage in 1980 (bottom) and 2012 (top), as observed by passive microwave sensors on NASA’s Nimbus 7 satellite and by the Special Sensor Microwave Imager/Sounder (SSMIS) from the Defense Meteorological Satellite Program (DMSP). Multi-year ice is shown in bright white, while average sea ice cover is shown in light blue to milky white. The data shows the ice cover for the period of November 1 through January 31 in their respective years.
Date
Source

http://earthobservatory.nasa.gov/IOTD/view.php?id=77270 en:NASA Earth Observatory http://eoimages.gsfc.nasa.gov/images/imagerecords/77000/77270/seaiceage_ssm_2012_lrg.jpg

http://eoimages.gsfc.nasa.gov/images/imagerecords/77000/77270/seaiceage_ssm_1980_lrg.jpg
Author NASA scientist Joey Comiso

Licensing

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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  • The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
  • Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}.
  • The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
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File history

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Date/TimeThumbnailDimensionsUserComment
current06:18, 2 March 20123,000 × 3,375 (6.94 MB)Sagredoreduced size to reduce number of pixels
06:14, 2 March 20123,840 × 4,320 (10.03 MB)Sagredo
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

  • Usage on cs.wikipedia.org
    • Změna klimatu v Arktidě
  • Usage on de.wikipedia.org
    • Polare Eiskappen
  • Usage on en.wikiversity.org
    • User:Marshallsumter/Radiation astronomy/Electromagnetics
  • Usage on id.wikipedia.org
    • Perubahan iklim di Arktik
  • Usage on no.wikipedia.org
    • Fysiske konsekvenser av global oppvarming
  • Usage on zh.wikipedia.org
    • 全球暖化在北极的影响

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