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The Gateway to Astronaut Photography of Earth
(NASA Crew Earth Observations)
Astronaut Photography of Earth - Display Record
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IdentificationMission: STS073 Roll: E Frame: 5338 Mission ID on the Film or image: STS73
Country or Geographic Name: BOLIVIA
Features: RIO PARAPETI, AGR., MTS.
Center Point: Latitude: -20.0 Longitude: -63.0 (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: High Oblique
Camera Focal Length: mm
Camera: E2: Kodak DCS460 Electronic Still Camera
Film: 3060E : 3060 x 2036 pixel CCD, RGBG array.
Percentage of Cloud Cover: 10 (0-10)
GMT Date: 19951102 (YYYYMMDD) GMT Time: 164501 (HHMMSS)
Nadir Point Latitude: -25.1, Longitude: -50.2 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: West
Sun Azimuth: 289 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 145 nautical miles (269 km)
Sun Elevation Angle: 64 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 211
CaptionsProgressive Forest Clearing, Bolivia
The eastern half of Bolivia is covered with tropical rainforest. In the 1990s, Bolivia initiated a large-scale effort to increase the rate of logging and create tracts of land for commercial agriculture (primarily soy and sugar cane, but also coca) on the Amazon Basin side of the Andean highlands. Today, the commercial fields are well-established and easily mapped from space as large, rectangular clearings in the forest. The agricultural developments are still growing today.
The clearings start off as small rectangles arranged perpendicular to an access road; early clearings take on a herring-bone pattern when viewed from above. The uncleared (dark forest) areas are gradually logged and cultivated, filling in the pattern to make a larger cleared area. This image, a wide panorama view looking toward the west and the Andean foothills, was taken from the Space Shuttle in November 1995. The clearing efforts were just getting underway, evidenced by the crosshatched and herring-bone pattern of clearing north of the river. On the south side of the river, old, abandoned river stream channels show up as lighter regions with lesser forest cover.
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