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Started By
Message
Mississippi River changing at Morganza
Posted on 5/12/11 at 1:05 pm
Posted on 5/12/11 at 1:05 pm
where is this nonsense coming from? i see several posters on here thinking that the river will change course here. and that morganza failure is likely. the river wants to change course at Old River into the Atchafalya River. that is why the ORCS was put in place. the elevation drop at Old River is what makes the river want to change course here. water only reaches morganza during very high water.
and then there is the talk of not being able to close morganza if it is opened. it's gates weight several tons. do you really think that it is impossible to keep something that weighs that much from falling to the ground?
and then there is the talk of not being able to close morganza if it is opened. it's gates weight several tons. do you really think that it is impossible to keep something that weighs that much from falling to the ground?
8
Posted on 5/12/11 at 1:06 pm to bakersman
The moon landing is a hoax!!!!!! 
Posted on 5/12/11 at 1:09 pm to bakersman
Posted on 5/12/11 at 1:09 pm to bakersman
quote:
it's gates weight several tons. do you really think that it is impossible to keep something that weighs that much from falling to the ground?
water laughs at several tons...literally. I am not saying it will happen, I am just saying after witnessing the tsunami, I got a lot of respect for the power of water.
Posted on 5/12/11 at 1:12 pm to bakersman
quote:
where is this nonsense coming from?
People not understanding the difference between one structure and another, and not giving geography any thought what so ever. It's crazy.
Posted on 5/12/11 at 1:13 pm to tigerfan in bamaland
Katrina knocked several section of the twinspan into the lake, I image they weigh several tons
Posted on 5/12/11 at 1:13 pm to tigerfan in bamaland
water will not stop the gates from being closed. they will figure out a way to get the gates down.
Posted on 5/12/11 at 1:14 pm to bakersman
quote:
bakersman
It's a very real possibility. If the ORCS failed (not that I think it will), the river would jump over and take the atch basin to the gulf.
Also, several tons aint shite against a couple million cubic feet per minute of water.
Posted on 5/12/11 at 1:17 pm to winner
quote:
Katrina knocked several section of the twinspan into the lake, I image they weigh several tons
you are missing the point. people are saying that the gates will never ever be able to be closed once opened. im not talking about water washing them away.
if morganza fails(meaning that the levee broke or the gates have fallen due to the force of the water) the river STILL WILL NOT change course here.
Posted on 5/12/11 at 1:17 pm to DownshiftAndFloorIt
quote:Right, but that's not what this is about. People are talking failure of Morganza and new path there, which is not going to happen.
It's a very real possibility. If the ORCS failed (not that I think it will), the river would jump over and take the atch basin to the gulf.
Posted on 5/12/11 at 1:21 pm to DownshiftAndFloorIt
i know the ORCS is at risk and that one day it may fail. im talking about people saying that the river will change at MORGANZA if the MORGANZA SPILLWAY fails.
ORCS is inevitable
ORCS is inevitable
Posted on 5/12/11 at 1:24 pm to bakersman
Gotcha. Thought you just meant the miss couldn't change course.
I think it's just a concern because the gates of the morganza haven't been pressure tested like this since '73.
I think it's just a concern because the gates of the morganza haven't been pressure tested like this since '73.
Posted on 5/12/11 at 1:24 pm to DownshiftAndFloorIt
Once the river gets back to below ~37' (BR gage) or so, there's no water against the Morganza gates, so worst case they can be close onced the river gets back down to a manageable level. Like others have said, there is a very large chunk of land between the Ms river and the spillway gates. Remember, Old River is just across the forebay from the morganza structure. The river changed course AWAY from that area, leaving this oxbow lake hundreds of years ago because it didn't want to go in that direction.
This post was edited on 5/12/11 at 1:26 pm
Posted on 5/12/11 at 1:25 pm to bakersman
Mother Nature is pissed. If she wants to change the course, she'll do it.
Posted on 5/12/11 at 1:26 pm to bakersman
quote:
i see several posters on here thinking that the river will change course here
Thank you. I've seen the same questions/comments 134 times in the last week.
There needs to be a sticky thread where someone lays out the facts about the river and the morganza spillway.
Posted on 5/12/11 at 1:27 pm to notiger1997
most people could not find
bonne carre, ORCS or morganza on a map...
bonne carre, ORCS or morganza on a map...
Posted on 5/12/11 at 1:33 pm to choupiquesushi
quote:
most people could not find
bonne carre, ORCS or morganza on a map...
or spell bonnet carre for that matter
Posted on 5/12/11 at 1:34 pm to bakersman
posted by tgrbaitn08
posted by mgsmith2013
there are several others saying the same thing. where do people get this from
quote:
However, a morganza failure would be much more catastrophic and the entire nation would never be the same
posted by mgsmith2013
quote:
but if the Morganza fails then life in BR and NOLA as we know it would cease to exist. Long term I'd say it's probably worse loss of life wise to have the morganza fail
there are several others saying the same thing. where do people get this from
Posted on 5/12/11 at 1:38 pm to bakersman
quote:
you are missing the point. people are saying that the gates will never ever be able to be closed once opened. im not talking about water washing them away.
I don't believe it will happen but it isnt just about closing the gates you also have to take into account that an incresse in flow will deepen the channel.
Posted on 5/12/11 at 1:39 pm to Topwater Trout
quote:There is no channel.
I don't believe it will happen but it isnt just about closing the gates you also have to take into account that an incresse in flow will deepen the channel.
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