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  Image: Geographic Location Direction Photo #: STS052-100-34 Date: Oct. 1992
Geographic Region: MALI

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  STS052-100-034 Niger River, Mali October 1992
The semiarid, steppe grasslands of central Mali shown in this photograph lie on the southwestern fringe of the inland delta of the Niger River. The small city of Markala is located southeast of the single bridge that spans the northeasterly-flowing Niger. Most of the narrow linear features, which are visible on both the north and south sides of the main river channel, are irrigation ditches. Large dark areas south of the river are irrigated agricultural fields. Large irrigated field patterns are also visible north of the Niger River along the Fala River. This part of Mali is in the center of the Sahel, a transition zone where overgrazing is changing the appearance of the landscape. The area is an environmentally sensitive region where, because of fluctuations and decreasing amounts of rainfall, the grasslands can quickly become a true desert with virtually no vegetation--a process known as desertification. The annual range of precipitation fluctuates between 12 and 20 inches (30 and 50 centimeters).
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Images: All Available Images Low-Resolution 133k
Mission: STS052  
Roll - Frame: 100 - 34
Geographical Name: MALI  
Features: NIGER RIVER  
Center Lat x Lon: 14.0N x 6W
Film Exposure: N   N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP: 0
Camera: HB
Camera Tilt: 18   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 250  
Nadir to Photo Center Direction: NW   The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?: N   Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number: 94  
Date: 19921028   YYYYMMDD
Time: 131527   GMT HHMMSS
Nadir Lat: 13.5N  
Latitude of suborbital point of spacecraft
Nadir Lon: 5.3W  
Longitude of suborbital point of spacecraft
Sun Azimuth: 214   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude: 157   nautical miles
Sun Elevation: 58   Angle in degrees between the horizon and the sun, measured at the nadir point
Water Views: RIVER, SWAMP  
Atmosphere Views:  
Man Made Views: AGRICULTURE  
City Views:  
Photo is not associated with any sequences

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