I find it very hard to believe that the sediment is 20,000 feet deep.
I believe there is limestone, sandstone and lots of other stuff in the
strata below. If you use mapquest and search for New Oleans you will see
that 1. the Green square that if a channel was there - it would have dumped
the lake to the Gulf, 2. Why, is there a dike or other obstruction won't it
run under HWY 11 - did the highway form a dike - the Gulf.

I still don't understand why they waited to start pumping. Pump while
the water poured into the city. It might be just 80 or 50% of the net flow.
Every bit counted. It looks like the current pumps are makeshift. I bet
that the pumps are good weather pumps - e.g. it is dry with a little water
ok to pump. A flood puts pumps out of work ? Poor design.

Should be bunk houses with underground power sources and a local oil fired
unit. Then the pump is controlled from a roof entrance or via radio/land line.

The whole lake thing is odd - the eco's wanted water from the lake to go
through the town down the big delta flow. Not across (natural route of a fake lake)
US 11 .

I hope the Corps have a better hand at this and not be controlled by someone
that has a mission of their own.

Mountains - 500 miles west of there are volcano's - gosh - less than than that,
there are some near here. 1000 miles north of them are old mountains that are
diving to the deeps.

The region near the coast is the earliest 'land' time, and is defined as come and go.
Houston is in that area also. Quaternary IIRC.

Martin

Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH, NRA Life
NRA Second Amendment Task Force Charter Founder



wrote:
BottleBob wrote:

Lew Hartswick wrote:

BottleBob wrote

The Japanese built "Kansai International Airport" on a man-made
island
5 kilometers out to sea.

http://www.takenaka.co.jp/takenaka_e...ix/kiindex.htm
I'm sure we could use similar, or even improved, construction
methods
to rebuild New Orleans above sea level.

Yes! AND it's sinking. It started even before it was finished.

Lew:

The sinking of Kansai Airport seems to have slowed down. The reasons
for the sinking should be thoroughly investigated before using similar
construction methods elsewhere.


They
even tried to make provision for the sinking in some of the surfaces.
All in all "not a good idea" to build any large structures on fill.

It may not be a good idea to build on fill, but New Orleans is in all
probability going to be rebuilt since its such an important port city.
IF it's rebuilt at it's current under sea-level height, that IMO would
just be another tragedy waiting to happen. I'm not a geologist or a
construction engineer but if bedrock under New Orleans (supposedly 80
feet down), could be reached with pile drivings any sinking problem
might be helped.


BB,
Piles don't have to reach "bedrock" to work. Friction can hold them
in place.
Just spotted something.

Both New Orleans & Lake Pontchartrain are on the Mississippi delta,
with Lake Pontchartrain being on the North side of New Orleans.
Sediment under Lake Pontchartrain is reportedly 20,000 feet
deep .... the bedrock is under that, as the oil drillers know.
I don't recall any mountain-building processes in the area that
would have created a 20,000 foot tall mountain under the site of
New Orleans.
So I'd guess that your 80 foot number just applies to how deep
pilings are driven for some purposes and has nothing to do with
your assumed bedrock depth.

This being the case, my recall of things would not have been
far off at all ..... nor my qualified statement much in error,
if at all. Unlike your lint, assumptions & hasty conclusions G.

HTH

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