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Astronaut Photography of Earth - Display Record
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IdentificationMission: ISS010 Roll: E Frame: 5194 Mission ID on the Film or image: ISS010
Country or Geographic Name: VENEZUELA
Features: L. VALENCIA, MARACAY, MTS.
Center Point Latitude: 10.0 Center Point Longitude: -67.5 (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: 22
Camera Focal Length: 180mm
Camera: E4: Kodak DCS760C Electronic Still Camera
Film: 3060E : 3060 x 2036 pixel CCD, RGBG array.
Percentage of Cloud Cover: 10 (0-10)
NadirGMT Date: 20041027 (YYYYMMDD) GMT Time: 141506 (HHMMSS)
Nadir Point Latitude: 8.8, Longitude: -66.9 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: North
Sun Azimuth: 127 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 195 nautical miles (361 km)
Sun Elevation Angle: 54 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 1911
CaptionsLago de Valencia (Lake Valencia) is located in north-central Venezuela and is the largest freshwater lake in the country. The lake was formed approximately 2-3 million years ago due to faulting and subsequent damming of the Valencia River. The lake has been completely dry during several discrete periods of its geologic history. Since 1976 Lake Valencia water levels have risen due to diversion of water from neighboring watersheds—it currently acts as a reservoir for the surrounding urban centers (such as Maracay).
The vivid green algal blooms present in this image result from a continual influx of untreated wastewater from the surrounding urban, agricultural, and industrial land uses. This contributes to ongoing eutrophication, contamination, and salinization of the lake. Despite its picturesque location between the Cordillera de la Costa to the north and the Serrania del Interior to the south, Lake Valencia’s poor water quality limits opportunities for tourism and recreational activities.
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