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( 3 comments — Leave a comment )
(Anonymous)
Aug. 20th, 2016 03:49 pm (UTC)
Louisiana would have been in long-term trouble regardless of climate change, because the lower Mississippi is overdue to jump out of its bed and find a new course to the Gulf. Big rivers may do this every thousand years or so -- the Yellow River famously did it in 1897, killing a great many people in the process -- and the Mississippi should have done it sometime around 1950, give or take a few decades. Heavy engineering has kept it in its "correct" bed, but it's just staving off the eventual inevitable.


Doug M.
melita66
Aug. 20th, 2016 05:23 pm (UTC)
I'm not 100% convinced by Matter's methodology. They appear to imply that it's climate change (rising water and land lost to wave action), but another big issue is subsidence. Also, however few, there are people living in the bayous and "wetlands" so just marking them off as uninhabitable is extreme.
kalimac
Aug. 21st, 2016 03:30 am (UTC)
The comparative Louisiana maps are not to be trusted. They have their thumbs on the scale. The first map shows as land a lot of area, notably Lake Pontchartrain, that have always been water. And the latter map shows as open water a lot of area better described as swamp, much of which, again, has probably always been swamp.
( 3 comments — Leave a comment )

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