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This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
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en:
- Description: A composite of images showing the diminishing en:Lake Chad from 1973 to 2001.
- Info: The large image is a composite of photos taken with en:Landsat-7. Images courtesy NASA GSFC Scientific Visualization Studio and Landsat 7 Project Science Office.
- Source: earth observatory (file)
- License: Public domain
de:
- Beschreibung: Der de:Tschadsee schrumpft langfristig. Das Bild zeigt den See im Jahr 1973, 1978, 1997 und 2001 aus der Erdumlaufbahn. Die offene Wasserfläche ist im Falschfarbeninfrarotbild blaugrün wiedergegeben.
- Quelle: Adapted from NASA images at http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=4714 (aus der englischen Wikipedia)
- Lizenzstatus: Public Domain
Licensing
Public domainPublic domainfalsefalse |
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This file is in the public domain 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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Warnings:
- Use of NASA logos, insignia and emblems are restricted per US law 14 CFR 1221.
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File usage
The following pages on Schools Wikipedia link to this image (list may be incomplete):