Wednesday, July 4, 2012

Sea Level Rise Can't Be Stopped

32.2cm is the mean sea level rise. If you picture the ocean as one gigantic seesaw, it's how much the midpoint rises by, not the endpoints. The lever on either side of this midpoint is around 3200 km long. I will leave you to figure out the total area of any given slice your side of the midpoint - and what will happen to that during spring tide. Sure, low tide might actually be lower as a result, but I'm thinking that any land much below 32m below current sea levels will be in real trouble.

That's ignoring the ocean currents. Those help take hot water away from the Gulf of Mexico, so lose/weaken them and you get longer, more severe hurricanes.

And this is still ignoring the fact that much of the SE is reclaimed swamp. Water table shoots up, even if only 32cm, and you WILL lose houses nominally on dry land because they're not designed for that. You'll also lose your storm drains and sewage systems, so the survivors can expect massive outbreaks of cholera. If there are any survivors - the road system there basically uses sand as a foundation, so you WILL lose most of your road network and that means no possibility of evacuation when the hurricanes arrive. New Orleans had substantially evacuated before Katrina, you won't be able to. With South Carolina in the same boat - literally, there also will be far fewer places to evacuate to.

By 2112, everything from Florida to the middle of North Carolina will be an uninhabited, uninhabitable lost land, barren of all life. Nothing will survive there.

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/ZH5U37ADqsw/sea-level-rise-cant-be-stopped

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