03 May '11, 9pm

NASA photos before and after the #BirdsPoint levee breach #mofloods /via @MoDNR

Late on May 2, 2011, in an effort to spare Cairo, Illinois, the U.S. Army Corps of Engineers used explosives to breach a protective levee near the confluence of the Ohio and Mississippi Rivers. As predicted, the two-mile hole in the levee flooded 130,000 acres of nearby farmland in what is known as the Birds Point-New Madrid Floodway. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured these images of the area on May 3, 2011 (top), and April 29, 2011 (bottom). Both images use a combination of visible and infrared light to increase constrast between water and land. Water ranges in color from electric blue to navy. Vegetation is green. Clouds are pale blue-green and cast shadows onto the land surface below. Tiny squares of green in the April 29 image show that the floodway consists of farmland. The image from April 29 also shows floode...

Full article: http://earthobservatory.nasa.gov/NaturalHazards/view.php?...

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earthobservatory.nasa.gov 01 May '11, 10pm

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