This diagram (originally from work by Meade and Syvitski iirc) raises interesting issues. Additional soil eroded off cornbelt fields doesn't come close to compensating for sediment from Northern Plains badlands now trapped by big dams in the Dakotas. At least in part, that's because eroded...
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H3
Isn't it crazy how much the Mississippi River has changed in the last two centuries? Check out this graphic on sediment dynamics. #rivers
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