Boteti River, Botswana



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English: Natural-colour image of the Boteti River. Arising from overflow in the Okavango Delta, the Boteti River flows toward the south-east before turning northward into the expansive salt-pans of Makgadikgadi. This image shows the river stopping short of Makgadikgadi, which lies to the east.

The river follows a long series of hairpin curves. On the outer loops of some curves, the river overflows onto nearby floodplains. Two such overflows are obvious near the centre of the image. In the east, another area of overflow takes the approximate shape of a boot. Here the water has probably flowed onto agricultural fields, and the water’s spread may be constrained by a nearby road.

Near the lower right corner of the image, the Boteti River terminates. Upstream from this endpoint, the river is particularly thin. The water supply may still be insufficient to drive the Boteti onward into the nearby saltpans. According to Frank Eckhardt of the University of Cape Town, the presence of any water in the river valley was unusual by 2010, and some observers thought the Boteti was a dead river. Naturalist blogs reported that the Boteti held some water in September 2009, but according to Eckardt, its last major flood occurred in 1991.

Outside of the river valley, the dry season has parched the landscape. Nearby river valleys, floodplains, and salt lakes appear in tones of beige and brown.
Date 29 September 2010(2010-09-29)
Source NASA Earth Observatory
Author Jesse Allen and Robert Simmon

Image captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite. EO-1 ALI data provided courtesy of the NASA EO-1 team and the United States Geological Survey.


Public domain This file is in the public domain because it was 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.)

Public Domain

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EXIF data:
File name boteti_river__botswana.jpg
Size, Mbytes 0.476767578125
Mime type image/jpeg
Orientation of image 1
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Exif image width 2043
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Unique image ID 2A82A161041A4CB5B5988255435D742C
Software used Microsoft Windows Photo Gallery 6.0.6001.18000

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