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Started By
Message
re: Good News! Sections of New Orleans' flood walls sinking at rate of nearly 2 inches a year
Posted on 6/30/25 at 11:38 am to geauxtigers87
Posted on 6/30/25 at 11:38 am to geauxtigers87
'Member when ACE (no relation) said the levees could hold through a Cat 3, then they failed during (to be fair a strong) Cat 3, then billions later they said, okay, now they can hold through a Cat 3?
I 'member.
I 'member.
1
Posted on 6/30/25 at 11:39 am to Corinthians420
quote:
Some areas of the system are dropping at rates up to 28 millimeters per year. That’s more than seven times faster than the current sea level rise rate of about 3.6 millimeters annually.
Are they claiming that 3.6 millimeters is localized?
Posted on 6/30/25 at 11:44 am to Corinthians420
quote:
No, they are saying the opposite.
Understood.
My mistake.
So technically it’s 2 inches and change.
Sea level rise equates to 1 ft every 7 years.
So the wall should be over 2 ft less in height in 7 years, 1ft in three years.
If that wall is a foot shorter in three years, then we can have a conversation.
Posted on 6/30/25 at 11:44 am to jimmy the leg
quote:
Elsewhere, it’s not noticeable.
Not true at all. The coastal monitoring system throughout the gulf has been showing that sea level is rising here.
Posted on 6/30/25 at 11:47 am to jimmy the leg
This study is more localized to the Gulf Coast.
LINK
Its ok, new orleans is trying to take itself out before sea level becomes a factor
LINK
quote:
Along the North American East and Gulf coasts (see Supplementary Fig. 1 for an overview of the study area), a combination of natural11,12,13,14,15 and man-made12,15,16 vertical land motion (VLM), sterodynamic sea level (SDSL; this is the combination of global mean steric expansion and changes in ocean circulation)17,18,19,20,21,22,23,24, and changes in Gravitation, Rotation, and Deformation (GRD) accompanying global barystatic mass changes7,25 has resulted in MSL trends ranging from 1.7 to 8.4 mm yr-1 between 1900 and 2021 (Supplementary Fig. 2). Thus, MSL in this region has generally been rising faster than the global mean18,26,27 causing considerable impacts that include exponential increases in nuisance flooding28,29, increased damages due to major storms such as hurricanes Katrina30 and Sandy31, and the prospect of accelerating land loss in the most vulnerable settings32,33.
Its ok, new orleans is trying to take itself out before sea level becomes a factor
This post was edited on 6/30/25 at 11:52 am
Posted on 6/30/25 at 11:58 am to Corinthians420
28 mm is over an inch a year. That is simply not happening. It would be extremely noticeable at locations all over the world. Coastlines would be altered drastically. Beaches destroyed. Many islands would be gone
Posted on 6/30/25 at 12:02 pm to UptownJoeBrown
quote:
Levee off the French Quarter and let the rest sink a slow death. It’s what’s best.
Funny with a user name like yours that wouldn’t suggest including the uptown area within that “wall area”.
Posted on 6/30/25 at 12:04 pm to notiger1997
He's from Baton Rouge. 
Posted on 6/30/25 at 12:06 pm to Corinthians420
quote:
But they are.
can you show a chart dating back to the earliest recorded measurement of sea levels? this chart is 30 years old how do we know it didn't go down for 30 years prior to this?
Posted on 6/30/25 at 12:06 pm to genro
quote:
28 mm is over an inch a year
28mm a year is the rate of flood wall sinking in that area, not the level of sea level rise.
Posted on 6/30/25 at 12:26 pm to geauxtigers87
Measured subsidence was on the west side of Armstrong Airport (minor) and Michoud in New Orleans East and Chalmette. That's it. In large zero subsidence for New Orleans proper.
LINK
Journalists and science don't mix well. They always overhype things
LINK
Journalists and science don't mix well. They always overhype things
Posted on 6/30/25 at 12:29 pm to Beessnax
quote:
I'm not sure what someone's reasonable expectations for flooding should be when you build a city below sea level.
New Orleans was built on the high spot in the area where the Injuns traded with each other. It is only the post WWII areas where the swamp was drained that are below sea level.
Posted on 6/30/25 at 12:32 pm to White Bear
2 inches is huge.
That's not what she said
That's not what she said
Posted on 6/30/25 at 12:33 pm to geauxtigers87
I wouldn't be surprised if they used this information, which I have found issues with, to design the foundation.
Posted on 6/30/25 at 12:35 pm to GuidoVestieri
quote:quotes like this is why we hit curbs while driving
2 inches is huge.
Posted on 6/30/25 at 12:52 pm to Ace Midnight
quote:
Member when ACE (no relation) said the levees could hold through a Cat 3,
In simple terms, the levees were designed originally to a much higher standard. Then built to a lower standard per design, but it was much worse for final product. Add in horrible maintenance.
The biggest thing that most don’t understand is that it was these little outflow drainage levees that failed and not the river or lake levees.
Posted on 6/30/25 at 12:57 pm to Locoguan0
Everytime people trot out the Miami thing with water in the streets at high tide, I always mention subsidence and weight of the development. They look at me like I'm crazy unless I'm talking to a civil engineer and architects who are like, ".....yeah"
Posted on 6/30/25 at 1:02 pm to geauxtigers87
As if we needed another reason to abandon that shithole. Yet the fedgov will spend more billions to try and save a dump.
Most expensive city in America
Most expensive city in America
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