Concerned that rising waves will flood runways and buildings in the coming years, officials at San Francisco International Airport are moving ahead with a $587 million plan to build a major new sea wall around the entire airport. — The Mercury News
Under the proposed plan, The Mercury News reports, a system of concrete walls and steel plate-supported earthen levees will take shape around the airport's 10-mile perimeter. The walls will be designed to guard against a three-foot sea level rise and five-foot storm surge.
SFO is the nation's seventh busiest airport, while its runways sit roughly 10-feet above current sea level.
7 Comments
It will take over 700 years for sea level to come close to 3ft of rise. But I guess we'll all still be riding around in 737's.... WASTE OF MONEY. Hows about you try to keep the power on before you worry about sea level rise :-D
Where are you getting 700 years? That's absurd.
"We have very high confidence (>9 in 10 chance) that global mean sea level will rise at least 0.2 meters (8 inches) and no more than 2.0 meters (6.6 feet) by 2100."
Lol, I could guess that amount without even analysing the data.
Shoot, I didn't realize enter sent the message. I took San Francisco tide data, starting at about 5900mm in 1759 to about 6100mm today makes for almost 2mm per year, a little short, then extrapolated it out for three feet of seal level rise. At the rate the seas have been rising in San Francisco Bay over the last 160 years it will take another 700ish to reach 3 ft of rise. The most difficult part of that was finding the raw tide data in csv file format.
"At the rate the seas have been rising in San Francisco Bay over the last 160 years..."
The whole thing about climate change is that the rates are increasing.
Hmm. Not the sea level data I'm looking at. It's insanely stable. Very linear. Maybe NOAA isn't a reliable source?
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