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Posted on 5/24/19 at 12:11 pm to
Posted by BarryMcCokner
Nola Area
Member since May 2017
277 posts
Posted on 5/24/19 at 12:11 pm to
So you're saying that if ORCS did fail, there would be absolutely no water flow down the MSR? Curios question. I dont think the entire river would flow down the atchafalaya.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 5/24/19 at 12:19 pm to
No it wouldnt. There would still be an assload of water going down the ms if you blew up the orcs. It wouldnt be enough to stop saltwater from pushing far upriver in the late summer/winter.
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 5/24/19 at 12:20 pm to
quote:

So you're saying that if ORCS did fail, there would be absolutely no water flow down the MSR? Curios question. I dont think the entire river would flow down the atchafalaya.


The thought is that when the majority of flow goes down the AR, sediment would start to deposit in that turn and eventually build a bank blocking any other water that would go down the MR

Posted by NYNolaguy1
Member since May 2011
20956 posts
Posted on 5/24/19 at 12:21 pm to
quote:

So you're saying that if ORCS did fail, there would be absolutely no water flow down the MSR? Curios question. I dont think the entire river would flow down the atchafalaya.


I do think there would be some flow, but at drastically reduced levels reducing over time, and wherever the riverbed meets 0'0" elevation, that comes the new mouth of the river, most likely somewhere between New Orleans and Baton Rouge.

There would still be a port for New Orleans, but it would be a saltwater one, not freshwater.
Posted by GREENHEAD22
Member since Nov 2009
19646 posts
Posted on 5/24/19 at 5:04 pm to
The whole discussion is pretty mute because the ORCS is one of the least likely places to fail in the system. They pumped more concrete into that thing than fort Knox. Much more likely a levee failure due to runaway barge or washout.
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