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Started By
Message
re: Escalating Floods Putting Mississippi River’s Old River Control Structure at Risk
Posted on 5/13/19 at 2:42 pm to TigerstuckinMS
Posted on 5/13/19 at 2:42 pm to TigerstuckinMS
quote:
The amount of sediment the Mississippi moves is staggering. It literally carries mountains to the sea
Mount Driskell maybe?
Posted on 5/13/19 at 2:44 pm to TigerstuckinMS
quote:
It literally carries mountains to the sea
Like literally? OMG, I can’t even deal right now.
Posted on 5/13/19 at 2:46 pm to tgrbaitn08
quote:
Like literally? OMG, I can’t even deal right now.
Well, the mountains don't walk there.
This post was edited on 5/13/19 at 2:49 pm
Posted on 5/13/19 at 2:59 pm to DownshiftAndFloorIt
quote:
With no levee, the 2016 flood would have been a non-event
Lolwut? Time to put down the internet for a while
Posted on 5/13/19 at 3:20 pm to DownshiftAndFloorIt
quote:If no one lives anywhere near the river and thus we had no industry along the River
With no levee, the 2016 flood would have been a non-event
Posted on 5/13/19 at 3:22 pm to Ed Osteen
quote:
Doesn't this article come out every time we get a lot of rain?
Yes
Posted on 5/13/19 at 3:31 pm to WeeWee
LINK
THis just got posted yesterday. Dr. Xu is one of the people studying the avulsion of the Mississippi River. Sorry for facebook link.
quote:
Dr. Jun Xu, explains how South Louisiana is on the verge of one of the worlds most detrimental natural disasters in history.
THis just got posted yesterday. Dr. Xu is one of the people studying the avulsion of the Mississippi River. Sorry for facebook link.
Posted on 5/13/19 at 3:32 pm to LSU-MNCBABY
quote:
Has there ever been a study done on how widespread the impact of a levee break in BR would be?
1. There will not be a break in the levees near BR. The COE will open the BCS and Morganza before the levees get stressed enough to break.
2. You obviously never spent much time on the unprotected side of the levee. Since there is nothing to stop the water if there is a break, it will spread out and fill the low lying areas first. The geography of the area will make the river flood a vast area but only a few feet deep.
quote:
We talking water out to airline or would highland again act as a natural levee?
The high areas that we call natural levees will be above water and the low areas will below water.
Posted on 5/13/19 at 3:40 pm to BRgetthenet
quote:
quote:
I'm not a civil engineer, but as a trained surveyor, I've worked with many and I know my fair share of hydraulics, soil and water engineering principles and design methods, etc., and real world examples of success and failure implementing it all. You do not want to arm wrestle with the force of water- especially moving water. Make no mistake, the Mississippi is one giant laboratory of the science of hydraulics. Think of a hydraulic line on a tractor that has a weak spot- what happens? The fluid under pressure- hydraulic forces- expose that weakness without delay, and exploits it with extreme force. That tiny stream of fluid that is sometimes not visible to the naked eye will inject poisonous fluid into just about anything it hits and keep going (including human flesh) and keeps flowing until full displacement has been achieved. If there's a weak spot in the Missisippi's "hydraulic line" (and somewhere there is) then one day, whenever those laws of physics that want to "displace" find it, we will never stop it. And make no mistake about this either: while those forces are present, they're waiting, and they are ruthless: They do not think, they only act. One time I was working on a 400 acre topo project to design a neighborhood development. One of the surveyor/engineers on the project, who was a crabby old bastard that I had an immense amount of respect for and who had just about seen it all, had to remind a younger EIT that his grand ideas of solving some very real and problematic drainage issues on the parcel via "overcoming" what the water wanted to do, was not only a more expensive option (and a lazy one from a design standpoint), but it could very well be an act of futility: One can never tell what will happen when the sky opens up for months on end and tests the design data sitting on the engineer's computer screen. Not when we're talking about the quintessential definition of the word dynamic, that is, water, that is fluids under pressure, aka, hydraulic power. A basic premise is that you work with the water and not against it, and you exhaust all efforts to stick to that premise. When- and only when- you've exhausted those options do you attempt to overcome nature's mouthpiece; because while throwing all that man has in his engineering arsenal may work to overcome it, it might very damned well NOT work, and even if it does, don't trick yourself into ever thinking you've truly dominated it. Truth is, you've only come to a peaceful, albeit tentative, agreement for it to "stay put." And it's that "tentative" part that matters when winning battles means jack diddly chit when the history books tell of who won the war: regardless, time is against you and water has all the time in the world to wait for its singular moment to show who's running the show. No matter how heroic and diligent the upkeep and mitigation measures are, one single weak point, one single COE worker who skimped on a QC check because of a bad case of "the Fridays," is all it takes for the ruthlessness of water under pressure to skull drag our arses into submission once again. I'll never forget his lecture to that EIT in a real world setting that even the greatest of engineering schools can't reenact in a lab or classroom, and that I was lucky enough to be within earshot of hearing a master of civil engineering tell of his respect and awe for what hydraulic fluid, aka pissed off water, can do to the best of engineering feats. We have a long way to go before we absolutely free ourselves from the crushing force of water like the Mississippi River, and I doubt we ever truly do.
We could boil it.
Hmmm...well I'll just be damned...
Brian, will you jot that down on the brainstorming sheet please, and get the senator on the phone?
K?
Thannnks.
Posted on 5/13/19 at 3:43 pm to WeeWee
quote:
The geography of the area will make the river flood a vast area but only a few feet deep.
Oh, just a few feet deep? shite, I'm going cancel my flood insurance then. Not paying that shite every year to protect me from just a few feet of water.
Posted on 5/13/19 at 3:53 pm to TDsngumbo
quote:
Oh, just a few feet deep? shite, I'm going cancel my flood insurance then. Not paying that shite every year to protect me from just a few feet of water.
If people looked at what Native Americans and people before the levees were built did then there would be no need for flood insurance. They either built their homes up on mounds or built them on piles or pillars so they would not flood. Then after the civil war some smart baws thought that they could control the river even though the great floods of 1882 and 1927 proved otherwise, and then some even smarter baws decided to start building house on slabs at ground level.
Posted on 5/13/19 at 3:56 pm to MrLSU
Posted on 5/13/19 at 4:00 pm to WeeWee
quote:
then some even smarter baws decided to start building house on slabs at ground level.
Saves me a trip up the stairs.
Worth it
Posted on 5/13/19 at 4:02 pm to BRgetthenet
quote:
hen some even smarter baws decided to start building house on slabs at ground level.
Saves me a trip up the stairs.
Worth it
Lazy McFatass
Posted on 5/13/19 at 4:09 pm to WeeWee
quote:
If people looked at what Native Americans and people before the levees were built did then there would be no need for flood insurance. They either built their homes up on mounds or built them on piles or pillars so they would not flood. Then after the civil war some smart baws thought that they could control the river even though the great floods of 1882 and 1927 proved otherwise, and then some even smarter baws decided to start building house on slabs at ground level.
Where we had our camp there was an old home pace from the early 19th century. You couldn't tell it was any higher with the naked eye but it was the only spot in that area that never flooded.
Posted on 5/13/19 at 4:21 pm to Jim Rockford
quote:
Where we had our camp there was an old home pace from the early 19th century. You couldn't tell it was any higher with the naked eye but it was the only spot in that area that never flooded.
Same thing with my family's home place. It did not look any higher because there was gradual incline, but when my brother leveled the fields the GPS maps showed that the home place was 34 inches higher than most of the land around it. Our house was also built four feet off the ground and when the flood of 1927 came it was at least two feet above the water. No flooding but cottonmouths always trying to sun themselves on the porches on the warm days and trying to take shelter inside on cold days.
Posted on 5/13/19 at 5:32 pm to MrLSU
Time for my Morgan City area swamp leases to be finally worth something.
Here is the ad:
Prime Riverfront property available for Sublease in the near future at America’s newest deep water port on the new lower Mississippi River in a new location where Morgan City used to be located.
Here is the ad:
Prime Riverfront property available for Sublease in the near future at America’s newest deep water port on the new lower Mississippi River in a new location where Morgan City used to be located.
This post was edited on 5/13/19 at 5:34 pm
Posted on 5/13/19 at 6:24 pm to MrLSU
LINK
You geologists and civil engineers have probably seen this illustration of the current and up to current Miss River deltas over the past several thousand years. That river does move. The sediment pile in the GOM is up to 50,000 feet thick. Most came from the Mississippi.
You geologists and civil engineers have probably seen this illustration of the current and up to current Miss River deltas over the past several thousand years. That river does move. The sediment pile in the GOM is up to 50,000 feet thick. Most came from the Mississippi.
Posted on 5/13/19 at 6:38 pm to PrivatePublic
quote:
I have my own personal river control system: don't live next to a river.
You damn well know you want to live in a van down by the river!
Posted on 5/14/19 at 9:12 am to TigerstuckinMS
quote:
The river dumps about 500 million tons of sediment into the Gulf. A year. That's not counting what it deposits along the way.
That's a small mountain.
Well there is your answer right there!
They could dredge it out, pile it up, and create a mountain in Louisiana. In a few years it would be the largest mountain in the world! Move over Everest, youve been replaced!
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