Land Area Change in Coastal Louisiana
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Land Area Change in Coastal Louisiana (1932 to 2010). D. Phil Turnipseed, P.E., D.WRE Director USGS National Wetlands Research Center U.S. Geological Survey U.S. Department of the Interior. Photo by: Brady Couvillion. Louisiana Wetlands are Critical. 25% U.S . oil and gas production

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Photo by brady couvillion

Land Area Change in Coastal Louisiana(1932 to 2010)

D. Phil Turnipseed, P.E., D.WRE

Director

USGS National Wetlands Research Center

U.S. Geological Survey

U.S. Department of the Interior

Photo by: Brady Couvillion


Photo by brady couvillion

Louisiana Wetlands are Critical

  • 25% U.S. oil and gas production

  • 20% of U.S. waterborne commerce

  • 70% of migratory birds winter in Louisiana

Photo by: Brady Couvillion



Photo by brady couvillion

1,883 square mile decrease


Coastal louisiana lost 1 883 square miles from 1932 2010
Coastal Louisiana Lost 1,883 square miles from 1932-2010

This equates to losing:

  • A land area the size of Delaware over 78 years

  • A land area greater than the island of Manhattan every year

    From 1985-2010:

  • A football field every hour

  • 16.57 square miles every year


Lake salvador shoreline erosion
Lake SalvadorShoreline Erosion



Multiple impacts birds foot delta
Multiple Impacts Birds Foot Delta


Delta building wax lake outlet atchafalaya delta
Delta BuildingWax Lake Outlet/Atchafalaya Delta