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Astronaut Photography of Earth - Display Record

ISS012-E-20585

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Identification

Mission: ISS012 Roll: E Frame: 20585 Mission ID on the Film or image: ISS012
Country or Geographic Name: BOLIVIA
Features: NW. SHORE OF L. POOPO, SEDIMENT
Center Point Latitude: -18.7 Center Point Longitude: -67.3 (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:

Camera

Camera Tilt: 37
Camera Focal Length: 400mm
Camera: E4: Kodak DCS760C Electronic Still Camera
Film: 3060E : 3060 x 2036 pixel CCD, RGBG array.

Quality

Film Exposure:
Percentage of Cloud Cover: 10 (0-10)

Nadir

Date: 20060309 (YYYYMMDD)GMT Time: 150047 (HHMMSS)
Nadir Point Latitude: -16.6, Longitude: -66.2 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: Southwest
Sun Azimuth: 65 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 185 nautical miles (343 km)
Sun Elevation Angle: 64 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 1746

Captions

ISS012-E-20585 (9 March 2006) --- A portion of Lake Poopo is featured in this image photographed by an Expedition 12 crewmember on the International Space Station. Lake Poopo sits high in the Bolivian Andes, catching runoff from its larger neighbor to the north - Lake Titicaca (not shown) - by way of the Desaguadero River (muddy area at the north end of the lake). Because Lake Poopo is very high in elevation (roughly 3400 meters or 11,000 feet above sea level), very shallow (generally less than 3 meters or 9 feet), and the regional climate is very dry, small changes in precipitation in the surrounding basin have large impacts on the water levels and areal extent of Lake Poopo. When the lake fills during wet periods, Poopo drains from the south end into Salar de Coipasa (not shown). Water levels in Poopo are important because it is one of South America’s largest saline lakes, and a prime stop for migratory birds, including flamingoes. Last November, water levels had dropped, exposing large tracts of salt and mud flats. A wet and cool period between December and the end of February resulted in flooding of Poopo with muddy waters from the Desaguadero River. NASA managers have tasked the station crew to track such changes, which are related to regional weather patterns. Lake Poopo’s sensitivity to precipitation in the high Andes (possibly reflecting larger climate cycles) provides an excellent visual indicator of these trends.

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