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New Orleans ... the new Atlantis?

With predicted sea level rise, wetland loss, subsidence, and the absence of restoration programs, the future of New Orleans appears bleak. Research from University of New Orleans scientists examine the processes driving catastrophic coastal conditions and the breakdown of the Mississippi River Delta.

(New Orleans)--By the year 2100, the city of New Orleans may be extinct, submerged in water. A future akin to the fabled sunken city of Atlantis? Yes, according to Dr. Chip Groat, Director of the United States Geological Survey (USGS) in Washington, D.C., "With the projected rate of subsidence (the natural sinking of land), wetland loss, and sea level rise," he said, "New Orleans will likely be on the verge of extinction by this time next century."

University of New Orleans coastal geologist Dr. Shea Penland and coastal geomorphologist Dr. Denise Reed have spent their careers (combined 40 years) figuring out exactly what is driving this catastrophic condition. Their research has identified the specific problems jeopardizing the future of New Orleans and southern Louisiana. "We have the greatest coastal land loss problem in North America. This is more than a serious problem . . . it's a catastrophic one. We're living on the verge of a coastal collapse," warns Dr. Penland.

Currently, 40% of all coastal wetlands in the United States are located in Louisiana, and 80% of all wetland loss in our nation occurs in Louisiana. From 1930-1990, the Mississippi River Delta lost more than 1,000 square miles of land, approximately the size of New Jersey.

Over the last 50 years, land loss rates had accelerated from 10 miles to 40 miles per year by the 1970s, with the current rate being approximately 25 square miles or 16,000 acres of wetlands a year. Coastal Louisiana is poised to lose more than 10,000 acres per year for the foreseeable future.

New Orleans is sinking three feet per century--eight times faster than the worldwide rate of only 0.4 fe
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Contact: Joseph White
jewhite1@uno.edu
504-280-6622
University of New Orleans
18-Jan-2000


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