News From the Field
Cuts to Mississippi Levees Could Build New Land in Sinking Delta
October 20, 2009
Sediment-rich Mississippi River water could deposit a significant chunk of new land in the river's delta in the coming century if much of the river's flow was diverted through cuts in levees below New Orleans, a new study shows. The land buildup, as simulated by a computer model, would equal almost half the amount of delta acreage otherwise expected to vanish in that period due to sea-level rise, land subsidence and reduced river sediment.
American Geophysical Union
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