Re: The 2005 hurricane season

In article <synthfilker-C20487.15074710042006@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Joe Ellis <synthfilker@xxxxxxxxxxxxx> wrote:
There seems to be very little difference in the flooded areas between a
7 meter rise and a 15 meter rise... and it _appears_ that there would be
very little loss of agricultural land worldwide even with the 15 meter
rise. I also noticed that most of the losses in the Netherlands happen
with just a single meter rise, and expand little after that.

There is quite a bit of the California Central Valley within 15
meters of sea level. Does the map show Sacramento and Stockton
under water? (Sacramento has an officail elevation of about 12
feet.) Without remediation, even a couple of meters would drown
the entire Sacramento-San Joaquin delta, and there's a fair amount
of agricultural land there.

I'm not too sure I trust the data, though... I don't think it's possible
to flood Death Valley in California, for example, with a mere 1 meter
sea rise. The maps might give you a general impression, but with data
like that I'd have to call the whole thing rather suspect.

No, it wouldn't. Sounds like the map applies rising sea levels to
all land below the choice of elevation. That also overlooks the
metrics used to measure sea level in the first place. San Francisco
Bay, for instance, can have tides as much as 7.5 feet *above* "sea
level". For a real picture, you probably need to include pretty
much anything within 5 feet of "sea level", unless you have local
tide data, as being unusable.

--
Hal Heydt
Albany, CA

My dime, my opinions.
.

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