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Originally Posted by JMintzer
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No, it is not about river levels.
Much of the Mississippi river bed in at least southern Louisiana is below sea level. If a dam was built above New Orleans and the river flow stopped, the water from the Gulf would flow northwards. The only thing holding the saltwater out of the Mississippi is the volume of water flowing down the river.
In the late September to early November timeframe, the flow in the river was insufficient to keep the saltwater out. It appears that even last week the saltwater wedge had pushed 63 miles up river. It seems like the river is beginning to win this month. I haven't seen any articles more recent than mid-October so maybe the problem has abated for this year.
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Why do people insist on making claims without looking them up first, do they really think no one will check? Proof by emphatic assertion rarely works.
Confirmation bias is real; I can find any number of articles that say so.
Victor, NY - Randallstown, MD - Yakima, WA - Stevensville, MD - Village of Hillsborough
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