Lake Chad, satellite image, 1973

Lake Chad, satellite image, 1973

C003/2035 Rights Managed

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Credit: NASA/SCIENCE PHOTO LIBRARY

Caption: Lake Chad, satellite image. Image 2 of 4. Lake Chad, located in the Sahel region just south of the Sahara, was the fourth largest lake in Africa in the 1960s and had an area of more than 26,000 square kilometres. However, by the 21st century its extent had shrunk to less than 1,500 square kilometres, around a twentieth of its size. This is due to its increased use for irrigation combined with droughts. Image obtained using the Landsat 1 satellite in 1973. For a series showing the lake's shrinkage from 1963 to 2007, see images C003/2034 - C003/2037.

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Keywords: 1900s, 1970s, 1973, 20th century, africa, african, arid, cameroon, chad, decreasing, desert, desertification, drought, drying, drying-up, dunes, earth observation, environment, evaporation, from space, geographical, geography, human impact, industrial, industry, inland, lake, lake chad, land, landsat 1, losing water, niger, nigeria, person, sahara, sahel, satellite, satellite image, sediment, sequence, series, shrinking, water, water loss

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