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Louisiana Coastal Erosion.

Posted on 5/28/14 at 8:40 am
Posted by cosmicdingo
Springhill, La.
Member since Mar 2006
2173 posts
Posted on 5/28/14 at 8:40 am
Politics aside, is it even possible to repair La.'s coastal erosion?
LINK /
Posted by SouthOfSouth
Baton Rouge
Member since Jun 2008
43456 posts
Posted on 5/28/14 at 8:41 am to
preventing more should be the #1 concern.
Posted by Pectus
Internet
Member since Apr 2010
67302 posts
Posted on 5/28/14 at 8:42 am to
quote:

is it even possible to repair La.'s coastal erosion?
LINK /


Repair? No.

Mitigate? Yes.
Posted by BayouBrawl
Junk Yard
Member since Aug 2012
1151 posts
Posted on 5/28/14 at 8:46 am to
Take out the levees. The River will repair the damage itself. But New Orleans as well as a lot of the towns in Southeast LA will be no more.
Posted by jbgleason
Bailed out of BTR to God's Country
Member since Mar 2012
18897 posts
Posted on 5/28/14 at 8:46 am to
I don't live south of NOLA so I never followed this as closely as I probably should have but I always wondered how much of this is real issue (I KNOW it is an issue, not implying that) and how much is political hype. I have heard some incredible figures that make it seem like the Gulf is going to be on Poydras street in a couple of years.

Like global warming, I wonder how much is man made and how much is normal nature progression. Thoughts?
Posted by Pectus
Internet
Member since Apr 2010
67302 posts
Posted on 5/28/14 at 8:51 am to
quote:

Take out the levees


It's been calculated that even if you did this, you could not repair the coast.
Posted by Bassmaster
Baton Rouge
Member since Feb 2005
149 posts
Posted on 5/28/14 at 8:52 am to
https://www.coastalmasterplan.la.gov/

Implementation of projects in the State's coastal master plan may result in no net loss after 20 years
and annual net gain after 30 years.
Posted by Motorboat
At the camp
Member since Oct 2007
22666 posts
Posted on 5/28/14 at 9:01 am to
quote:

Implementation of projects in the State's coastal master plan may result in no net loss after 20 years
and annual net gain after 30 years.


I'm as hopeful as anyone that this will be the case, but I'm extremely skeptical that the current plan will yield such results. as someone said before. get rid of levees and let Ole man River do the rest
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/28/14 at 9:07 am to
From what I remember reading, the diversions can't build salt marshes, only fresh, and most of them in place now are running far below capacity
Posted by ToulatownTiger
Louisiana
Member since Oct 2012
4597 posts
Posted on 5/28/14 at 9:08 am to
So how you think that land built in the first place? They tell you that so you keep the levees
Posted by The Last Coco
On the water
Member since Mar 2009
6840 posts
Posted on 5/28/14 at 9:11 am to
quote:

get rid of levees and let Ole man River do the rest

It's too late for that to work. Coastal erosion is an issue that compounds upon itself. Not only is the land loss increasing, but the rate of land loss is increasing as well. It has already passed the point where returning the natural flow would stop land loss and cause accretion. Would it help slow the land loss? Yes. Would it cause a net gain? No.

Besides, blowing the levee isn't practical or feasible. It's not even really a discussion worth having IMO because it will never be allowed to happen. Targeted diversions at points on the river that have been modeled to show the most potential for sediment deposition is the first thing we should be doing, but even that is almost impossible. So many of the decision that are made regarding the project location selection have little to do with science of whether or not it is the best long-term investment.
Posted by VernonPLSUfan
Leesville, La.
Member since Sep 2007
15822 posts
Posted on 5/28/14 at 9:11 am to
It doesn't matter, all the coast's everywhere will be fifteen feet underwater. So we'll just start over.
Posted by Traffic Circle
Down the Rabbit Hole
Member since Nov 2013
4239 posts
Posted on 5/28/14 at 9:13 am to
I thought that the suit against the oil companies was going to get money to fix this?
Posted by VernonPLSUfan
Leesville, La.
Member since Sep 2007
15822 posts
Posted on 5/28/14 at 9:16 am to
Oil companies are saying its the corps of engineers fault, not theirs. Yeah, right.
Posted by Teufelhunden
Galvez, LA
Member since Feb 2005
5575 posts
Posted on 5/28/14 at 9:24 am to
Rising Tide and Bayou Farewell are a couple of really good books on the subject. The first is more of a history of how we got here WRT the Mississippi. I think one estimate was around $15B to try and fix the problem. Probably a lot more now. But hey, the big dig in Boston was $14B and our adventures overseas will probably end up costing over $1T, but losing our land and natural resources well, it's just too expensive.
Posted by TigerHam85
59-024 Kamehameha Highway
Member since Nov 2009
31493 posts
Posted on 5/28/14 at 9:27 am to
Posted by Old Money
Member since Sep 2012
36329 posts
Posted on 5/28/14 at 9:28 am to
quote:

But New Orleans as well as a lot of the towns in Southeast LA will be no more.


Perfect


Jk don't get all mad Nola homers
This post was edited on 5/28/14 at 9:29 am
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 5/28/14 at 9:36 am to
If we just let nature take over, it could. But of course that won't happen and it won't happen I'm our lifetime.


We fricked

And the fishing industry sure as hell won't let that happen
This post was edited on 5/28/14 at 9:37 am
Posted by JohnZeroQ
Pelicans of Lafourche
Member since Jan 2012
8513 posts
Posted on 5/28/14 at 9:45 am to
Living in the directly effected area it is something I think about often... espically this time of year.


Can it be fixed? No... Can we try and salvage what we have and try and build land back Yes.

Can we correct the problem entirely Not one bit.
Posted by Tchefuncte Tiger
Bat'n Rudge
Member since Oct 2004
57161 posts
Posted on 5/28/14 at 9:47 am to
quote:

Take out the levees. The River will repair the damage itself. But New Orleans as well as a lot of the towns in Southeast LA will be no more.


This, and I don't see why using riprap to block old canals would be so expensive.
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