NASA Photo ID: STS057-80-092       File Name: 10073300.jpg
  Film Type: 70mm                    Date Taken: 07/01/93
  Title: STS-57 Earth observation of Rio Bermejo, Argentina
  Description:
  STS-57 Earth observation taken aboard Endeavour, Orbiter Vehicle (OV) 105,
  is  of Rio Bermejo Development area in northwest Argentina. Astronaut
  photographs  of agricultural development in the area of the Rio Bermejo in
  northwestern  Argentina (called "Rio Teuco" in the lowlands of Argentina)
  support  scientific studies of one of the 600 global environmental sites
  monitored by  the Space Shuttle Earth Observations Project.  Photographs of
  the Rio Bermejo  headwaters and the hardwood forests of the East Andes
  began with STS-7 in  June 1983. The 10-year record of this site leads NASA
  researchers to estimate  that the area of former Andean closed-canopy
  forest now converted to ranching  and agriculture in these river valleys
  has doubled over the past decade. Also  evident in this photograph are
  secondary impacts from this regional forest  conversion, including
  increased soil erosion, increased stream turbity,  secondary stream
  anastomosing, and stream widening.         
  
  Subject terms:
  ARGENTINA                               
  EARTH OBSERVATIONS (FROM SPACE)         
  ENDEAVOUR (ORBITER)                     
  RIVERS                                  
  STS-57                                  
  

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