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Started By
Message
Louisiana Coastal Erosion.
Posted on 5/28/14 at 8:40 am
Posted on 5/28/14 at 8:40 am
Politics aside, is it even possible to repair La.'s coastal erosion?
LINK /
LINK /
Posted on 5/28/14 at 8:41 am to cosmicdingo
preventing more should be the #1 concern.
Posted on 5/28/14 at 8:42 am to cosmicdingo
quote:
is it even possible to repair La.'s coastal erosion?
LINK /
Repair? No.
Mitigate? Yes.
Posted on 5/28/14 at 8:46 am to cosmicdingo
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 on 5/28/14 at 8:46 am to Pectus
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?
Like global warming, I wonder how much is man made and how much is normal nature progression. Thoughts?
Posted on 5/28/14 at 8:51 am to BayouBrawl
quote:
Take out the levees
It's been calculated that even if you did this, you could not repair the coast.
Posted on 5/28/14 at 8:52 am to jbgleason
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.
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 on 5/28/14 at 9:01 am to Bassmaster
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 on 5/28/14 at 9:07 am to cosmicdingo
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 on 5/28/14 at 9:08 am to Pectus
So how you think that land built in the first place? They tell you that so you keep the levees
Posted on 5/28/14 at 9:11 am to Motorboat
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 on 5/28/14 at 9:11 am to ToulatownTiger
It doesn't matter, all the coast's everywhere will be fifteen feet underwater. So we'll just start over.
Posted on 5/28/14 at 9:13 am to VernonPLSUfan
I thought that the suit against the oil companies was going to get money to fix this?
Posted on 5/28/14 at 9:16 am to Traffic Circle
Oil companies are saying its the corps of engineers fault, not theirs. Yeah, right.
Posted on 5/28/14 at 9:24 am to VernonPLSUfan
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 on 5/28/14 at 9:28 am to BayouBrawl
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 on 5/28/14 at 9:36 am to cosmicdingo
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
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 on 5/28/14 at 9:45 am to cosmicdingo
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.
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 on 5/28/14 at 9:47 am to BayouBrawl
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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