Rising seas will swallow New Orleans. People need to start relocating now
48 points
4 hours ago
| 9 comments
| cnn.com
| HN
_-_-__-_-_-
1 minute ago
[-]
Anyone who could afford to leave has left long ago. This is, partially, a class issue. It's very sad.
reply
austin-cheney
3 hours ago
[-]
It’s more than rising oceans. New Orleans is sinking rapidly just like Jakarta.

The southern third of LA has ground composed of spongy organic material deposited by rivers since the last ice age as opposed to solid ground largely made up of silicates and minerals covering bedrock.

reply
nekzn
1 hour ago
[-]
Ocean Rise: ~3.2 mm/yr

Land Sinking: + ~8.0 mm/yr

I wonder why CNN have decided to highlight oceans rising and not mention land sinking anywhere in the entire article? Is it possible they have an agenda?

reply
opsnooperfax
22 minutes ago
[-]
I wish that there were a Corps of Engineers in the Army, whose job it was to build and maintain water retention structures. I think that such an organization might be our best hope for half an inch of rising water every year. Given that much of the state is already below sea level, that they have not suffered the wrath of climate change could only be a miracle. It must be the work of a merciful God who has forgiven their sins of owning Ford F150s.
reply
zamadatix
3 minutes ago
[-]
This approach has already failed miserably for the city. They just need to move to where it isn't so obviously a risk, regardless the reason of the day, rather than have all of us pay to try to keep them there and then continually fail anyways.
reply
karlgkk
33 minutes ago
[-]
> I wonder why CNN have decided to highlight oceans rising and not mention land sinking anywhere in the entire article? Is it possible they have an agenda?

Because water incursion is a much more difficult thing to deal with, in terms of infrastructure and prevention.

Also, let me know when the rest of coastal land has the same sinking as N.O.

reply
verisimi
23 minutes ago
[-]
You work for cnn?
reply
CuriouslyC
1 minute ago
[-]
Sure do. People don't click on land sinking titles.
reply
postflopclarity
9 minutes ago
[-]
NOLA land sinking is also (in large part) due to human activity in draining the wetlands and swamps, so the dry soil starts compressing.
reply
tobr
9 minutes ago
[-]
You can take your tinfoil hat off. In common parlance, ”rising seas” is about relative sea level (RSL), which is what actually matters regardless of the mix of underlying causes. This is how it’s used by e.g NOAA https://tidesandcurrents.noaa.gov/sltrends/faq.html#q1
reply
westurner
6 minutes ago
[-]
reply
dvh
57 minutes ago
[-]
Because land sinking makes only New Orleans unlivable?
reply
niemandhier
20 minutes ago
[-]
See level rise is not the relevant measure.

A single catastrophic event that causes a temporal rise of several meters can permanently alter the coastline and storms are worsening.

reply
Hnrobert42
50 minutes ago
[-]
Because we can't do anything about land subsidence.
reply
postflopclarity
14 minutes ago
[-]
we can though? NOLA is sinking in large part because human activity has lowered the groundwater level by draining the swamps and wetlands, so the soil starts compressing.
reply
opsnooperfax
28 minutes ago
[-]
I don’t think we have direct control over sea levels either.
reply
dangus
46 minutes ago
[-]
This humors me: people still think CNN has a “liberal bias” especially as it transitions into ownership by David Ellison.

They probably should have mentioned it, yeah. But if you’re on a sinking ship in the ocean that does mean that the water level is rising relative to you and that is most of your problem.

And are we supposed to not be prepared and informed about the ocean rising at over 3mm per year? I wouldn’t exactly jump to being dismissive of sea level rise that is so dramatic. Every 10 years you’re gaining over an inch, every 100 you’re gaining about a foot. And then you’ve got the ice caps melting which is an impending climate disaster.

In reality, the right-wing criticism of the “mainstream media” has been a form of projection and justification for legitimizing its own propaganda network. Meanwhile, the right denies their own mainstream status: the “mainstream media lies” but the #1 cable news network is a right wing network, the Joe Rogan Experience is the #1 podcast that hosts political guests but isn’t part of the “lying press,” and this is all justification for the FCC to send threatening letters to terrestrial networks for their choice of jokes on late night talk shows or their daytime talk shows not being conservative enough.

CNN misses one detail in a highly scientific story and they get accused of having an agenda, Fox News trots out an employee in a mask pretending to be antifa and nobody bats an eye.

I’m not saying we shouldn’t scrutinize all media, but this particular dynamic is something that has been noticeable.

reply
garrickvanburen
21 minutes ago
[-]
Agreed. Also, as every media organization is free to make editorial decisions on both what they cover and how they cover it, left/right is often far too simplistic and vague to actually reverse engineer a media orgs bias.
reply
verisimi
19 minutes ago
[-]
> CNN misses one detail in a highly scientific story and they get accused of having an agenda

If it's as the earlier poster said that sinking is 8mm per year, versus 3.2mm and they point out the 3.2, don't you think this news organisation has missed the main detail?

reply
dangus
5 minutes ago
[-]
The article didn’t actually discuss the specific quantity of millimeters of sea level rise, either.
reply
taylodl
1 hour ago
[-]
I think this is the point you're making:

Relative sea level rise = actual sea level rise + land subsidence

Cities like New Orleans are suffering a double whammy: not only are they subsiding (sinking), but the sea levels are also rising and so between the two they're in grave trouble.

reply
RickJWagner
18 minutes ago
[-]
Reminds me of the famous photo showing Anderson Cooper in hip waders, standing in a flooded hole. It appears that flood waters were chest high, but if you saw the surrounding terrain you realized the water was not nearly so deep, it only seemed that way because he was standing in a hole.
reply
master_crab
26 minutes ago
[-]
What, do people not remember Katrina? That was the sign to move, and it was 20 years ago.
reply
dmd
13 minutes ago
[-]
No, they don't, because only about half of people in Louisiana are old enough to remember it.
reply
ChoGGi
45 minutes ago
[-]
As the song goes: "New Orleans is sinking, man, and I don't wanna swim"
reply
kj4211cash
1 hour ago
[-]
Oh hey, something I used to work on. The story here is coastal erosion / land subsidence much more than it is sea level rise, although that is a contributing factor. The land subsidence has been caused by Engineering works of the past, including the construction of levees and floodwalls around the city. When I worked on this a decade ago, we were already telling people outside of the city to move and spending a fortune to protect people inside the city. The most cost-effective option is often getting people to move, but good luck convincing everyone. Also this is such a shame because New Orleans is one of the most unique, charming places in the US.
reply
Mistletoe
24 minutes ago
[-]
I hope there is some plan to thwart this, as New Orleans is my favorite city on Earth. Truly unique culture and history against the homogenization and suburbanization of America. If you’ve never visited, please go.
reply
ck2
23 minutes ago
[-]
relocation requires assistance, people living paycheck-to-paycheck cannot just up and move out of city/state

take some of that $1 BILLION PER DAY being used to bomb innocent kids and civilians in Iran, soon Cuba, and help innocent people in your own country relocate

if the current administration is in charge the week New Orleans is about to go undersea they will "solve the problem" by banning FEMA from doing anything or just defunding it to $1/day

reply
cyanydeez
2 hours ago
[-]
the people they refer to are certainly the least capable.
reply
dangus
53 minutes ago
[-]
I wonder if they would even have to be relocated if they had the water management expertise and functional government of Denmark?

I think the article didn’t talk enough about how Louisiana is far too poor to undertake a planned relocation without a vast amount of federal help.

Then, you’ve got the fact that Louisiana’s political leadership is some of the worst in the country. The article touched on it but arguably didn’t discuss it enough. These are not people who will do anything that benefits constituents. Arguably they aren’t even benefiting their donors by burying their head in the sand, although I imagine their donors have accepted that they’ll just leave New Orleans with their profits in hand when the time comes.

reply
sarchertech
10 minutes ago
[-]
>too poor

Louisiana isn’t poor by almost any objective measure. They’re in the bottom half of US states by GDP per capita (not in the bottom 10), but they’d be in the top 20 countries in the world by GDP per capita if they were a country.

https://en.wikipedia.org/wiki/List_of_U.S._states_and_territ...

They’re just behind Denmark by GDP per capita and ahead of Germany, Sweden, Australia, Canada, the Netherlands, and the UK.

reply
bob1029
46 minutes ago
[-]
They've already tried the big guns. You cannot win at this game forever.

> The pump station complex, which is the largest of its type in the world, consists of 11 each 5,444 horsepower Caterpillar engines.

https://en.wikipedia.org/wiki/Gulf_Intracoastal_Waterway_Wes...

reply