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Gulf Oil Disaster: Images of Despair

Posted by feww on May 22, 2010

Views of Gulf Oil Slick by NASA’s MISR


Original Caption Released with Image:

These unique images of the Deepwater Horizon oil slick in the Gulf of Mexico were obtained by the Multi-angle Imaging SpectroRadiometer (MISR) instrument aboard NASA’s Terra spacecraft on May 17, 2010, at around 16:40 UTC (11:40 a.m. CDT). The top panel is a false-color image created by combining data from the red band of the 26-degree forward-viewing camera, where the oil appears dark, with the blue and green bands of the nadir (vertical-viewing) camera, where the oil appears bright. The result causes the oil spill to stand out dramatically in shades of cyan, while other features like clouds and the land appear close to their natural color. The Mississippi Delta is visible in the upper left portion of the image. The red symbol indicates the former location of the drilling platform. The image dimensions are 346 by 258 kilometers (215 by 160 miles) and north is toward the top of the image.

The white arrow in the right-center of the image points to a plume of smoke, most likely from a controlled burn of oil collected on the surface. It appears as a dark streak against the brighter reflection of the sunlight from the ocean. The lower two panels are enlarged images of the area around the smoke plume acquired by MISR’s 46-degree forward-viewing and 46-degree backward-viewing cameras. At these view angles, and for the illumination conditions on this date, the smoke particles appear bright and sunglint from the ocean surface is much weaker. The views at the two different angles cover the same physical area of 42 by 30 kilometers (26 by 19 miles). Controlled burns of the oil began in early May in an attempt to remove oil from the open water. The clouds in the lower right quadrant of these panels have an apparent shift in position with angle of view due to their altitude above the surface. However, a bright point to the south of the plume does not show such a shift, and is likely a boat observing the controlled burn. The apparent shift in position of the smoke plume itself places its altitude at about 560 meters (1,840 feet) above the surface.

MISR was built and is managed by NASA’s Jet Propulsion Laboratory, Pasadena, Calif., for NASA’s Science Mission Directorate, Washington, D.C. The Terra spacecraft is managed by NASA’s Goddard Space Flight Center, Greenbelt, Md. The MISR data were obtained from the NASA Langley Research Center Atmospheric Science Data Center in Hampton, Va. JPL is a division of the California Institute of Technology. Source: NASA/GSFC/LaRC/JPL, MISR Team


“Controlled burns” give the false impression that the oil spill in the Gulf of Mexico is under control. May 19, 2010. Source: Chief Petty Officer John Kepsimelis, U.S. Coast
Guard.


A dead Northern Gannet covered in oil lies along Grand Isle Beach in Grand Isle, Louisiana, May 21, 2010.  Credit: REUTERS/Sean Gardner. Image may be subject to copyright. More images posted here.

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