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Home » Satellite Images » Beginner's Guide to Landsat Images » Alluvial Fans and Deltas

Beginner's Guide to Alluvial Fans and Deltas on
Landsat GeoCover Satellite Images

Alluvial Fans and Deltas are generally easy to recognize by their triangular shape. Alluvial fans are often a purple, magenta or pink color because of the exposed soil on their surface. Deltas generally are covered with vegetation and show characteristics similar to marshes. Both deltas and alluvial fans can show distributary channels branching from a main stream at their head.

Satellite image of an alluvial fan in California
The community of El Mirage is located near the bright green area at the top of the large purple alluvial fan. California U.S.A.

Satellite image of an alluvial fan in China
Alluvial fan near Andirlangar, China.

Satellite image of the Nile River delta
Nile Delta, Egypt.

Satellite image of the Volga River delta
Volga Delta, Russia / Kazakhstan.

Satellite image of the Ganges River delta
Ganges Delta, Bangladesh / India.

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Copyright information: Data used to produce the image above was provided by NASA's Earth Science Enterprise Scientific Data Purchase Program and produced, under NASA contract, by Earth Satellite Corporation. Thank you to those agencies for use of the data. The Landsat image was composed by Angela King and is property of Use of any image without written permission is prohibited.
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