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Would failure of Morganza structure solve coastal erosion?
Posted on 5/13/11 at 8:36 am
Posted on 5/13/11 at 8:36 am
If the Mississippi diverted to the Atchafalaya could we use the billions that are being sought for coastal erosion to maintain a deep draft lake in the old Mississippi channel?
This post was edited on 5/13/11 at 8:37 am
Posted on 5/13/11 at 8:38 am to hawkster
It would definitely help out our parish.
Posted on 5/13/11 at 8:38 am to AlxTgr
no... but.
restoring natural flow at about 30 points along the ms river would slow it down.
restoring natural flow at about 30 points along the ms river would slow it down.
Posted on 5/13/11 at 8:38 am to hawkster
river changing course is the worst possible scenario
life as we know it would change greatly
maybe a few positives, but a thousand negatives
life as we know it would change greatly
maybe a few positives, but a thousand negatives
Posted on 5/13/11 at 8:39 am to hawkster
I dont understand where all of this failure of Morganza is coming from. Morganza is not in danger of failing. If anything orcs could possibly be but I think it would have to be a bigger flood event for that to happen
Posted on 5/13/11 at 8:40 am to bencoleman
quote:
I think it would have to be a bigger flood event for that to happen
Anything bigger and we would all be heading for the hills

Posted on 5/13/11 at 8:41 am to AlxTgr
quote:
AlxTgr
My post goes beyond the permanent diversion of the river, to the issue of extreme sediment deposition on the central Louisiana coast. Although erosion of the current Mississippi delta would continue, there would be a massive development of new delta at the southern end of the Atchafalaya basin.
Posted on 5/13/11 at 8:42 am to bencoleman
quote:It really explains the number of shitty posts on the Rant.
I dont understand where all of this failure of Morganza is coming from
Posted on 5/13/11 at 8:43 am to hawkster
quote:
Would failure of Morganza structure solve coastal erosion?
Maybe. In about 200 years.
Like someone said before, there would be about 6 positives and a thousand negatives.
Posted on 5/13/11 at 8:44 am to hawkster
Extreme eastern LA would wash away and LA would form a huge belly and expand rather quickly IMO due to the shallow bottom contours in the Marsh Island, Eugene Island and Ship Shoal areas. Remember these areas are so shallow because the river DID discharge there at one time.
Posted on 5/13/11 at 8:44 am to bayoudude
quote:
Anything bigger and we would all be heading for the hills
At that point I'm looking for an old man on a boat filled with animals.
Posted on 5/13/11 at 8:45 am to hawkster
quote:No, your post has a fundamental misunderstanding that necessitates a reading the thread I posted. "Failure of Morganza structure" is not even a concept.
My post goes beyond the permanent diversion of the river,
Posted on 5/13/11 at 8:46 am to bencoleman
quote:
I dont understand where all of this failure of Morganza is coming from. Morganza is not in danger of failing.
I agree with your take. I don't think a permanent diversion of the river is a remote possibility. But if it did happen, one of the few positives would be the virtual end of the political religion of coastal restoration, which I believe is much too costly and unfeasible to succeed on a meaningful scale.
Posted on 5/13/11 at 8:46 am to hawkster
quote:It would not be at Morganza.
But if it did happen,
Posted on 5/13/11 at 8:47 am to hawkster
No, wetland loss would still occurr. Its a multifaceted problem with about 9 factors in play and leveeing the Mississippi is just one of the factors.
The Atchafalaya and wax lake deltas are building land and its interesting to see the changes on a yearly basis.
The Atchafalaya and wax lake deltas are building land and its interesting to see the changes on a yearly basis.
Posted on 5/13/11 at 8:48 am to AlxTgr
some of these folks need to look at a map or something before concocting their ideas
there have been dozens of resources posted on this board, yet most of you idiots shoot from the hip
get educated
there have been dozens of resources posted on this board, yet most of you idiots shoot from the hip
get educated
Posted on 5/13/11 at 8:48 am to bayoudude
If you think this is the rivers best shot think again I remember 73 well and my family talked about 27 with fear in their voices 45 to. Again, ORCS has been improved since 73 it would have to be a bigger flood event to cause a failure and Morganza is not in any danger at all of failing and if it did so what when the water falls rebuild it
Posted on 5/13/11 at 8:50 am to bencoleman
quote:People can't grasp that apparently. They seem to view it as just another ORCS complete with a ready channel and constant supply of water.
so what when the water falls rebuild it
Posted on 5/13/11 at 8:50 am to AlxTgr
quote:
quote:
I dont understand where all of this failure of Morganza is coming from
It really explains the number of shitty posts on the Rant.
If this site were the scientific forum charged with prioritizing actions and evaluating preparation and responses, then I agree that failure of the Morganza structure would be a low priority to assign resources to. But, even though this is a newborn board, the tradition of TD posting has commonly been the discussion of far-fetched bullshite scenarios, of which my post is a proud example. Now, if you are a Corps employee who can't be bothered with such drivel, please go back to work.

I do agree with you that a better thread title would have been, "Would the permanent diversion of the Miss. River to the Atchafalaya basin solve coastal erosion?", but to edit that now would make the rest of the posts in the thread incoherent.
This post was edited on 5/13/11 at 8:54 am
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