STS055-86-71
| NASA Photo ID | STS055-86-71 |
| Focal Length | mm |
| Date taken | 1993.05.01 |
| Time taken | 22:02:50 GMT |
Resolutions offered for this image:
5274 x 5221 pixels 640 x 633 pixels 5700 x 6000 pixels 500 x 526 pixels 640 x 480 pixels
5274 x 5221 pixels 640 x 633 pixels 5700 x 6000 pixels 500 x 526 pixels 640 x 480 pixels
Cloud masks available for this image:
Spacecraft nadir point: 27.7° S, 67.0° W
Photo center point:
Photo center point by machine learning:
Photo center point:
Photo center point by machine learning:
Nadir to Photo Center:
Spacecraft Altitude: 158 nautical miles (293km)
Country or Geographic Name: | |
Features: | LIGHT EARTHOBS |
| Features Found Using Machine Learning: | |
Cloud Cover Percentage: | |
Sun Elevation Angle: | -2° |
Sun Azimuth: | 286° |
Camera: | Hasselblad |
Focal Length: | mm |
Camera Tilt: | |
Format: | 2443: Kodak Aerochrome 2443, color IR, thin base, EA-5 process thru June 1999, E-6 process afterward |
Film Exposure: | Over Exposed |
| Additional Information | |
| Width | Height | Annotated | Cropped | Purpose | Links |
|---|---|---|---|---|---|
| 5274 pixels | 5221 pixels | No | No | Earth From Space collection | Download Image |
| 640 pixels | 633 pixels | No | No | Earth From Space collection | Download Image |
| 5700 pixels | 6000 pixels | No | No | Download Image | |
| 500 pixels | 526 pixels | No | No | Download Image | |
| 640 pixels | 480 pixels | No | No | Download Image |
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Image Caption: STS055-086-071 Mahajamba Bay, Madagascar May 1993
The theme of this photograph--soil erosion--is depicted with two colors--dark green, the remaining vegetated areas (primarily grasslands), and various shades of brown, sediments transported into the Bay of Mahajamba. The bay, named for the Mahajamba River that flows into its southern part, is also entered by the Sofia River from the east. The mouth of Mahajamba Bay is not visible in this photograph; however, the heavy sediment loads carried through the estuary sometimes create sizable sediment plumes in the Mozambique Channel. This region along the northwest coast of Madagascar, the world's fourth largest island, indicates the country's major problem--overpopulation and destruction of forests. At the beginning of the 20th century the island had an estimated 90 percent vegetative cover, mostly forests; now approximately 100 years later, only 10 percent of the forests remain. With 80 percent of the population engaged in farming and the island's population doubling in 30 years (population increased from 5.4 to 11.2 million from 1960 to 1989), the stress on the land has been tremendous. The area shown in this picture is largely savanna--short grass with scattered trees. Chief agricultural activities are growing sugarcane and raising cattle. Annual rainfall amounts range from 40 to 80 inches (100 to 200 centimeters).
The theme of this photograph--soil erosion--is depicted with two colors--dark green, the remaining vegetated areas (primarily grasslands), and various shades of brown, sediments transported into the Bay of Mahajamba. The bay, named for the Mahajamba River that flows into its southern part, is also entered by the Sofia River from the east. The mouth of Mahajamba Bay is not visible in this photograph; however, the heavy sediment loads carried through the estuary sometimes create sizable sediment plumes in the Mozambique Channel. This region along the northwest coast of Madagascar, the world's fourth largest island, indicates the country's major problem--overpopulation and destruction of forests. At the beginning of the 20th century the island had an estimated 90 percent vegetative cover, mostly forests; now approximately 100 years later, only 10 percent of the forests remain. With 80 percent of the population engaged in farming and the island's population doubling in 30 years (population increased from 5.4 to 11.2 million from 1960 to 1989), the stress on the land has been tremendous. The area shown in this picture is largely savanna--short grass with scattered trees. Chief agricultural activities are growing sugarcane and raising cattle. Annual rainfall amounts range from 40 to 80 inches (100 to 200 centimeters).
