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The Gateway to Astronaut Photography of Earth
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Astronaut Photography of Earth - Display Record
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IdentificationMission: ISS027 Roll: E Frame: 9564 Mission ID on the Film or image: ISS027
Country or Geographic Name: ETHIOPIA
Features: AGRICULTURAL FIELDS, CANALS, SUNGLINT, SHABEELLE RIVER
Center Point Latitude: 6.0 Center Point Longitude: 43.2 (Negative numbers indicate south for latitude and west for longitude)
Stereo: (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: JNC Map ID:
CameraCamera Tilt: 10
Camera Focal Length: 400mm
Camera: N2: Nikon D2Xs
Film: 4288E : 4288 x 2848 pixel CMOS sensor, RGBG imager color filter.
Percentage of Cloud Cover: 10 (0-10)
NadirGMT Date: 20110331 (YYYYMMDD) GMT Time: 093337 (HHMMSS)
Nadir Point Latitude: 5.7, Longitude: 43.7 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: Northwest
Sun Azimuth: 256 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 190 nautical miles (352 km)
Sun Elevation Angle: 84 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 2865
CaptionsAgricultural Fields along the Shebelle River, Ethiopia
Note: This caption refers to the image versions labeled "NASA's Earth Observatory web site".
The Shebelle River supports limited agricultural development within the arid to semi-arid Ogaden Plateau region of southeastern Ethiopia. This detailed astronaut photograph illustrates a network of irrigation canals and fields located approximately 42 kilometers to the west-northwest of the city of Gode, Ethiopia. Floodplain sediments and soils are dark brown to gray (image center), and contrast with reddish rocks and soils of the adjacent plateau.
Water in the Shebelle River, and the irrigation canals, has a bright, mirror-like appearance due to sunglint, or light reflecting off the water surface back towards the astronaut observer on the International Space Station. Vegetation in the floodplain (image top center) and agricultural fields is dark green. The river water supports a variety of crops—the most common being sorghum and maize —as well as grazing for livestock (cattle, sheep, goats, and camels).
The Shebelle River has its headwaters in the Ethiopian Highlands, and transports water and sediment 1000 kilometers to the southeast across Ethiopia, continuing an additional 130 kilometers into neighboring Somalia. The Shebelle River does not reach the Indian Ocean during most years, but disappears into the sands near the coast in Somalia. During periods of heavy rainfall and flooding however, the Shebelle can reach the Indian Ocean.
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Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .