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Press Release 06-107

Rise in Sea Level, Loss of Wetlands May Account for Unstable Ground in Mississippi Delta

Basement layers remain unchanged for thousands of years

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Thick, muddy delta deposit compacts under its own weight, squeezing water out.

Over thousands of years, the thick, muddy delta deposit compacts under its own weight, squeezing water out. As a result, sea level rises and covers the wetlands.

Credit: Zina Deretsky, National Science Foundation


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Coastal areas in green are currently experiencing loss of wetlands due to rising sea level.

Coastal areas in green are currently experiencing loss of wetlands due to rising sea level.

Credit: Zina Deretsky, National Science Foundation


Download the high-resolution JPG version of the image. (159 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.