New Orleans After the Hurricane

In August, 2005 Hurricane Katrina devastated the Southern U.S. coast and the resulting damage was the costliest storm damage in U.S. history. Portions of Landsat satellite data, acquired and processed by the U.S. Geological Survey illustrate the extent of the flooding in the New Orleans area and the long term impact of the storm. In the September, 2005 image dark tones represent flooded areas of the city. By October, 2005 significant areas are drying; however, the light brown tones represent areas where vegetation (trees, lawns, parks) has been destroyed. By September, 2009 the brown tones are replaced with more green colors, representing new growth of vegetation as neighborhoods rebuild. Federal, state and local officials use the Landsat data to monitor the effects of change and will use the imagery for planning of rehabilitating the region.

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Wednesday, January 27, 2010