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Southern Louisiana is subsidence, not sea level raise, although it is from Human activity,Miami, FL - - probably somewhere around 2030 at the latest.
Have you seen the latest maps of Southern Louisiana?
just not global warming.
Miami, FL, Virginia Key, is the closest active station and has a high rate of rise 4.8 mm/year over 23 years,
but almost no change in the last 4 years.
https://www.psmsl.org/data/obtaining/map.html#plotTab
When the Miami station was operating (1932- 1980) it showed only .7 mm/year of rise.
Up and down the eastern sea board, rate have ether slowed or reversed to falling.
I strongly suspect that the property values of Miami Beach would mean a solution could be found.
A century ago, Seattle raised large sections of the downtown area up out of the tide zone,
some areas we raised up to 30 feet.
https://en.wikipedia.org/wiki/Seattle_Underground