has released a new study that concludes that the weight of glacial sediments washed into the Mississippi Delta Valley is causing the coastal shelf to sink between 0.1 to 0.8 centimeters per year. The additional factors of sediment compaction and oxidation, and the pumping of water and oil have added approximately 0.3 centimeters per year to the glacial sediment effect. Add the future rise in the Gulf level due to climate change, and you have a quickly disappearing coastline.

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