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re: Morganza Spillway

Posted on 5/28/19 at 1:41 pm to
Posted by tke_swamprat
Houma, LA
Member since Aug 2004
10886 posts
Posted on 5/28/19 at 1:41 pm to
The sinking of the barge prevents backflow through lake verret. So the sinking of the barge acts as locks preventing water into the lake which would cause a lot of flooding if not done.
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
86491 posts
Posted on 5/28/19 at 2:00 pm to
Why are they calling that bayou chene? Are there multiple bayou chenes?
Posted by Drunken Crawfish
Member since Apr 2017
3883 posts
Posted on 5/28/19 at 2:05 pm to
I think its the Avoca Island Cutoff if you are looking at google maps.
Posted by couyon2
Member since May 2019
87 posts
Posted on 5/28/19 at 2:06 pm to
There are multiple but the one they are referring to is East of the Amelia east of Morgan City. It intersects the intercoastal west of Bayou Black and goes south. The sink the barge to prevent backwater flooding.

Here is the link to the water gage we operate for flooding events like this. When the discharge goes near zero (assuming the Bayou Boeuf locks are closed and there are not drastic rains over Lake Palourde) the barge is doing its job. 073814675, Bayou Boeuf at Amelia, LA
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
86491 posts
Posted on 5/28/19 at 2:07 pm to
That's why I asked.
Posted by Drunken Crawfish
Member since Apr 2017
3883 posts
Posted on 5/28/19 at 2:11 pm to
I believe this is the location.

29.619445, -91.101728
Posted by tgrbaitn08
Member since Dec 2007
148031 posts
Posted on 5/28/19 at 2:11 pm to
quote:

Can someone explain this barge they keep talking about sinking? I don't understand why they are having to sink a barge somewhere?





This is where the barge will go as well as the $80mm floodgate

Posted by Tchefuncte Tiger
Bat'n Rudge
Member since Oct 2004
62745 posts
Posted on 5/28/19 at 3:09 pm to
quote:

Avoca Island Cutoff if you are looking at google maps.


What's the difference between this and Belle River? I see both names for the same stream.
Posted by Uncs
Member since Aug 2008
3080 posts
Posted on 5/28/19 at 3:28 pm to
Could you imagine though, If what the Chinese Professor States is true.
“If the MS River routed through the Atchafalaya all of New Orleans and South would be underwater in 3 Days”!

That’s some crazy shite right there!

So we get Morgan City, Houma, Thib residents here and the divert the river and sink N.O. Again!!!! LOL
Posted by couyon2
Member since May 2019
87 posts
Posted on 5/28/19 at 3:29 pm to
Google maps labels most of the canals and bayous in that area as avoca island cutoff. Bayou Chene connects the intercoastal to the Atchafalaya River south of Bayou Schaffer
Posted by Crawdaddy
Slidell. The jewel of Louisiana
Member since Sep 2006
19101 posts
Posted on 5/28/19 at 3:33 pm to
quote:

“If the MS River routed through the Atchafalaya all of New Orleans and South would be underwater in 3 Days”!


How would NOLA be under water?
Posted by tgrbaitn08
Member since Dec 2007
148031 posts
Posted on 5/28/19 at 3:34 pm to
quote:

What's the difference between this and Belle River?


Belle River is a community on Lake Verret.
Posted by Uncs
Member since Aug 2008
3080 posts
Posted on 5/28/19 at 3:43 pm to
They guy says in the video that once the water diverts to the Atchafalaya that the Ms below BR pretty much becomes a low spot and all the water from the Gulf comes flowing in from the gulf and over runs everything. Has a lot to do with the amount of sedimentation holding everything together would also be displaced. Pretty crazy. Worth watching the video it’s only about 4 min. You have to read the caption because it’s difficult t to understand with his accent. Cool video though about sand bars and sedimentation dispersement throughout the river.
Posted by GRIZZ
PRAIRIEVILLE
Member since Nov 2009
5989 posts
Posted on 5/28/19 at 3:44 pm to
50 years ago the Atchafalaya near MC was one of the deepest rivers in the world. Controlled flow has caused so much sedimentation that the river is now covered with sand bars and needs to to be dredged every few years. A proposal was made years ago to permanently divert the lower Atchafalaya through the Calumet Cut into the delta. Unfortunately this was shot down. I don't know what will come of this Morganza Spillway opening, but to say people in the MC/Berwick area are fearful is an understatement. Hopefully the structure does it's job and won't fail.
Posted by GREENHEAD22
Member since Nov 2009
20577 posts
Posted on 5/28/19 at 3:45 pm to
They need to figure out a way to send this water down to the Dulac, Cocodrie area to help the marsh.
Posted by Crawdaddy
Slidell. The jewel of Louisiana
Member since Sep 2006
19101 posts
Posted on 5/28/19 at 3:46 pm to
quote:

They guy says in the video that once the water diverts to the Atchafalaya that the Ms below BR pretty much becomes a low spot and all the water from the Gulf comes flowing in from the gulf and over runs everything.


yes but the levees will prevent the water from entering NOLA Right?
Posted by Uncs
Member since Aug 2008
3080 posts
Posted on 5/28/19 at 3:47 pm to
No you got to watch the video towards the end he highlights the whole area that would be underwater. It’s well worth the watch.
Posted by tgrbaitn08
Member since Dec 2007
148031 posts
Posted on 5/28/19 at 3:49 pm to
quote:

They need to figure out a way to send this water down to the Dulac, Cocodrie area to help the marsh.



There would have to be a lot of water for it to reach that far...with the barge in place the water will drain out of the Penchant.
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
86491 posts
Posted on 5/28/19 at 3:52 pm to
quote:

No you got to watch the video towards the end he highlights the whole area that would be underwater. It’s well worth the watch.

I don't buy that part.
Posted by Uncs
Member since Aug 2008
3080 posts
Posted on 5/28/19 at 3:58 pm to
quote:

I don't buy that part.


I love it!!! Ain’t happening!!! LOL. THATS FUNNY
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