10 Apr '11, 10pm

Irrigation along the Shebelle River: The Shebelle River has its headwaters in the Ethiopian Highlands, and tr...

The Shebelle River has its headwaters in the Ethiopian Highlands and transports water and sediment 1,000 kilometers (621 miles) to the southeast across Ethiopia, before continuing an additional 130 kilometers (80 miles) into Somalia. The river supports limited agricultural development within the arid to semi-arid Ogaden Plateau of southeastern Ethiopia. This astronaut photograph illustrates a network of irrigation canals and fields located approximately 42 kilometers (26 miles) to the west-northwest of the city of Gode. Floodplain sediments and soils are dark brown to gray (image center), and contrast with the reddish rocks and soils on the adjacent plateau. Vegetation in the flood plain (image top center) and agricultural fields is dark green. Water in the Shebelle River and the irrigation canals has a bright, mirror-like appearance due to sunglint, or light reflecting of...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=50007&s...

Tweets

Irrigation along the Shebelle River [image] #NASA

earthobservatory.nasa.gov 10 Apr '11, 10pm

The Shebelle River has its headwaters in the Ethiopian Highlands and transports water and sediment 1,000 kilometers (621 m...

Hobet Mine, West Virginia [image] #NASA

earthobservatory.nasa.gov 09 Apr '11, 10pm

Long before there were people, there were swamps. Those carbon-rich landscapes were eventually buried by mud and sand and ...