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Started By
Message
1
Posted on 5/3/11 at 8:31 pm to lathoroughbred
quote:
They should have let Cairo sink.
While I don't disagree with that and in fact believe that the USACE would have done the world a favor by letting it wash away protecting Cairo has not been a factor in a flood control decision in over 60 years.
Everything the Corps does in terms of flood control on the Mississippi River is about protecting Baton Rouge, New Orleans and Morgan City.
Posted on 5/3/11 at 8:31 pm to WoWyHi
The river will be very top of the levee to very top of the levee... that's a LONG way across.
Posted on 5/3/11 at 8:32 pm to RhodeIslandRed
Didn't see this on here, but according to the Natchez Democrat, they have bumped the crest prediction level in that area from 60 to 65 here recently.
LINK
LINK
This post was edited on 5/3/11 at 8:33 pm
Posted on 5/3/11 at 8:36 pm to RhodeIslandRed
Agreed.
I have never seen anything like this up here. It is stone cold unreal. The historical homes in Cairo is the only thing worth saving.
quote:
RhodeIslandRed
I have never seen anything like this up here. It is stone cold unreal. The historical homes in Cairo is the only thing worth saving.
Posted on 5/3/11 at 8:36 pm to BottomlandBrew
quote:
BottomlandBrew
Maybe at least the river will leave some lovely silt for those Missouri farmers.
Posted on 5/3/11 at 8:38 pm to swampdawg
quote:
Maybe at least the river will leave some lovely silt for those Missouri farmers.
It will. Very fertile ground already. This year is shot however.
Posted on 5/3/11 at 8:39 pm to swampdawg
quote:
Maybe at least the river will leave some lovely silt for those Missouri farmers.
The concern is that heavy sand deposit will make the area much less fertile.
Posted on 5/3/11 at 8:42 pm to LSUSilverfox
Are there any picks of how high the river is in various places?
Posted on 5/3/11 at 8:44 pm to MrLSU
quote:
Latest projects per Mike Stagg for BR is 48.9 feet WITH Morganza & Bonnet Carre being opened and alleviating flood water.
That ain't good. Where can I find this info?
Posted on 5/3/11 at 8:45 pm to LSUSilverfox
I'm guessing the silt deposits shouldnt be too bad and can be tilled under if its similar to an active landbuilding delta.
I wonder what the difference is in siltation rate from a flooded plain or field up north compared to when it settles out in the atch/wax lake delta.
I wonder what the difference is in siltation rate from a flooded plain or field up north compared to when it settles out in the atch/wax lake delta.
Posted on 5/3/11 at 8:46 pm to swampdawg
quote:
That ain't good. Where can I find this info?
It's downright scary as hell. I can't imagine BR's levees being able to hold up with that. There has to be some weak spots in these levees and this water will exploit it somewhere.
Posted on 5/3/11 at 8:47 pm to LSUSilverfox
quote:
The concern is that heavy sand deposit will make the area much less fertile.
Yeah that would not be good. I don't know jack about sedimet dynamics in the river. I really don't know what it is carrying. Gotta think the sand is concentrated more toward the bottom of the river with the finer silts suspended, but with a situation like this, I have no idea.
Posted on 5/3/11 at 8:52 pm to LSUSilverfox
This image indicates to me that Morganza and BC will need to be opened.
From this graph it looks like at least 2500 kcfs will pass Arkansas City. From this the ORCS can take 620 kcfs. BC can take 250 kcfs. This leaves 1630 kcfs to pass New Orleans. The Army Corps only allows 1250 kcfs to pass New Orleans. Thus, Morganza will have to be opened.
Am I reading anything wrong here
Posted on 5/3/11 at 8:53 pm to MrLSU
quote:
...48.9 feet....
Oh shite.
I read that there are parts of the levee at BR that is only 48 feet without sandbags. Even on the higher sections, it will be damn near the top.
Edit: lowest part of the levee in Baton Rouge is 47.3 feet. This is downtown near Florida street.
Projections went up from 47.5 to 48.9 feet even with the opening of Morganza?
I hope the projections are wrong. This means that Baton Rouge will flood.
This post was edited on 5/3/11 at 9:03 pm
Posted on 5/3/11 at 8:55 pm to uzzy
quote:Oh shite is right
Oh shite.
Posted on 5/3/11 at 8:56 pm to swampdawg
quote:
Maybe at least the river will leave some lovely silt for those Missouri farmers.
When rivers rise and fall naturally as in the Nile Delta it is great for the farmland. When they enter in a sluice it is extremely destructive.
I can show you "farmland" where a levee broke. Dig down two feet and it is damn good dirt. Above that it is so sandy that the ground has been abandoned by the owners.
Posted on 5/3/11 at 8:56 pm to Uncle Ned
I feel quite certain that both BC and Morganza will be opened, they are in the process of doing the PC thing and informing the poltical powers, but I will bet my next check that both will be opened within a week -10 days
Posted on 5/3/11 at 8:56 pm to WoWyHi
When the river is about to crest, I'm 99% sure they will close down the levee running path. However, will it be illegal to park on the side of river road somewhere and walk up the levee to take a look at the water? I'm very curious to see what a 48ft crest looks like all the way up the levee
Posted on 5/3/11 at 8:59 pm to RhodeIslandRed
quote:
When rivers rise and fall naturally as in the Nile Delta it is great for the farmland. When they enter in a sluice it is extremely destructive.
I can show you "farmland" where a levee broke. Dig down two feet and it is damn good dirt. Above that it is so sandy that the ground has been abandoned by the owners.
Excellent point. The sheer force probably does some serious scouring of the earth.
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