Lake Mega Chad
by Nasa Earth Observatory, Joshua Stevens/shuttle Radar Topography Mission (srtm)/us Geological Survey/science Photo Library
Title
Lake Mega Chad
Artist
Nasa Earth Observatory, Joshua Stevens/shuttle Radar Topography Mission (srtm)/us Geological Survey/science Photo Library
Medium
Photograph - Photograph
Description
Lake Mega Chad. Combined satellite data and elevation data from the Shuttle Radar Topography Mission (SRTM) showing the area once covered by Lake mega Chad. Lower-elevation areas are darker. Lake Mega Chad was present 7, 000 years ago and at it's peak covered more than 400, 000 square kilometres. The modern Lake Chad (black area at lower centre left) is just a fraction of Lake Mega Chad's size. Satellite data from the Operational Land Imager (OLI) on the Landsat 8 satellite.
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April 27th, 2022
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