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Message
State officials lose hope that Louisiana can reverse coastal land loss
Posted on 6/18/16 at 3:16 pm
Posted on 6/18/16 at 3:16 pm
LINK
I really haven't been following this at all. What are y'alls thoughts? How do y'all think this will impact Baton Rouge & Nola in 50 years?
I really haven't been following this at all. What are y'alls thoughts? How do y'all think this will impact Baton Rouge & Nola in 50 years?
quote:
Louisiana’s master plan to rebuild the coast came with a bold goal: halt the wetlands loss that sees an average of a football field eroding away per hour.
The best-case scenario predicted not only no net loss of wetlands by 2032 but actual land gains by 2042.
But new predictions of increased sea level rise have scuttled those ambitions.
“We don’t believe that anymore,” said Johnny Bradberry, executive assistant to the governor for coastal activities and chairman of the state coastal authority.
Karim Balhadjali, deputy chief at the state Coastal Protection and Restoration Authority, explained that the no net loss projection was dependant on forecasts that predicted only moderate levels of sea rise.
Since that 2012 plan, scientists believe that sea levels — pushed by climate change — are projected to be higher than previously expected, making it less and less likely all of the envisioned projects can stop the ongoing land loss.
Although the possibility of being able to eventually reach a point where wetland loss and wetland gain could be equalized was big news in 2012, the fact that it’s no longer the case doesn’t surprise environmentalists.
David Muth, director of the National Wildlife Federation’s Gulf Restoration Program, noted that the less optimistic predictions in the master plan hadn’t promised a net gain in coastal land.
“Obviously, its become clearer five years since the last master plan that the projected sea level rise has become worse,” Muth said. “It really comes as no surprise.”
Land will be built through the plan, he said, it just won’t be enough to keep up with the rising seas.
The 50-year, $50 billion master plan envisions building back the estuaries and wetlands along Louisiana’s coast through sediment diversions and marsh creation, as well as paying for levees and other projects. That $50 billion price tag also is likely to increase with the new 2017 master plan, Bradberry said, in part reflecting changing conditions along the coast like the more dire forecasts for sea level rise.
“I’m encouraged the state is already, with the 2017 plan, having a realistic discussion of what the possibilities are,” Muth said. “We have to be prepared for some pretty disturbing news about what is possible.”
That’s not to say pursuing coastal restoration and protection work is pointless. Preserving the marshes at the coast is critical, as they provide important defenses when storms come in, absorbing surge and reducing flooding.
“We still can get the system building land while, at the same time, facing the fact that some of what we have now will disappear,” Muth said. “We have to figure out what we can do so we can be here in 50 years.”
Part of the beauty of having a master plan that is required to be updated every five years is that new information can be fed into the decisions that are made, leaders of coastal organizations said.
“It lets you reassess current conditions, and those conditions are not always optimistic,” said Simone Theriot Maloz, executive director of Restore or Retreat.
The bright side is the state now has a better idea of a financial future for coastal issues, as well as years of advances in science of how to better do coastal projects.
In addition, one of the things the state is focusing on at this time is what they call “non-structural” projects, which includes projects that might not directly be levees or floodwalls. These types of projects include things like the elevation of homes and businesses, as well as possible relocation to help keep people safer as coastal Louisiana continues to shrink.
Jacques Hebert, spokesman for the Restore the Mississippi River Delta Coalition, agreed, saying there is still a lot of work that can be done to prevent the worst-case scenario — continued erosion that leads the Gulf of Mexico up to the doorstep of cities like New Orleans, Houma or Morgan City.
“Our perspective is it’s not a time to slow down the master plan; it’s time to accelerate it,” Hebert said. “It will do a lot of good in protecting a lot of communities across the coast and industry and wildlife.”
Despite a state footprint that will be smaller in the future, the goals of the state’s coastal protection and restoration program are the same, said John Lopez, coastal program coordinator at the Lake Pontchartrain Basin Foundation. The bottom line is to find a way to sustain the culture and economy of south Louisiana and slow down coastal land loss as much as possible.
Right now, scientists can’t see how to get that land loss reduction down to zero, Lopez said. However, Lopez said, he finds hope in the fact that science evolves so quickly these days that there’s no telling what the future could hold.
Posted on 6/18/16 at 3:17 pm to LSUlunatic
quote:
State
quote:
hope
This post was edited on 6/18/16 at 3:18 pm
Posted on 6/18/16 at 3:17 pm to LSUlunatic
In my experience, the current mitigation system is completely corrupt
Posted on 6/18/16 at 3:17 pm to LSUlunatic
quote:
How do y'all think this will impact Baton Rouge & Nola in 50 years?
New Orleans will be an island, and I'll have beach front property at my house in Baton Rouge.
Posted on 6/18/16 at 3:18 pm to LSUlunatic
NASA called, The OP is visible from space.
Posted on 6/18/16 at 3:19 pm to LSUlunatic
Just another excuse to raise your taxes and increase the control of the gov mnt
Stopped reading after the mentioned climate change
Stopped reading after the mentioned climate change
This post was edited on 6/18/16 at 3:20 pm
Posted on 6/18/16 at 3:19 pm to LSUlunatic
The claimant change projections on temps have been wrong for years, what are they projecting for sea level rise?
Posted on 6/18/16 at 3:22 pm to LSUlunatic
quote:wtf
Karim Balhadjali, deputy chief at the state Coastal Protection and Restoration Authority
Posted on 6/18/16 at 3:24 pm to LSUlunatic
Thank the Corp. Mother frickers.
Posted on 6/18/16 at 3:28 pm to LSUlunatic
A couple of years ago they did a 100 year master plan competition for the river delta and it suggested we move the river delta much further north outside of new orleans.
Long read but interesting.
LINK /
Long read but interesting.
LINK /
Posted on 6/18/16 at 3:38 pm to 1234567k
It amazes me that there are still people who don't believe in climate change
Posted on 6/18/16 at 3:40 pm to LSUlunatic
It's time to update some maps.
Posted on 6/18/16 at 3:45 pm to Ed Osteen
quote:
It amazes me that there are still people who don't believe in climate change
I think everyone agrees that the climate does indeed change over time. People disagree that it's a problem the requires government intervention/funding
Posted on 6/18/16 at 3:47 pm to LSUlunatic
quote:
The best-case scenario predicted not only no net loss of wetlands by 2032 but actual land gains by 2042.
I think these targets can be achieved a heck of a lot faster than their prediction...if we want to pay the price.
the reason that we are losing land is that sediments that built Louisiana in the first place are now being channelized down the Mississippi river via levees and dumped off the continental shelf.
the way to fix that is to divert a lot more water from the Mississippi river through the brackish marshes of the coast where it will deposit sediment for the rebuilding process.
now, I am not suggesting that we get rid of the MS river levees, but the more water we can divert into the marshes, the more land we build.
Posted on 6/18/16 at 3:50 pm to Spankum
You could break the levees along the Mississippi and it still wouldn't help. Too many locks that trap sediment up north these days. Enjoy it while we can, is all we can do.
Posted on 6/18/16 at 3:51 pm to LSUlunatic
ETA. LaBR4 beat me to it. It's definitely true, most of the southern part of the state is marsh.
This post was edited on 6/18/16 at 3:53 pm
Posted on 6/18/16 at 3:51 pm to Strannix
quote:
South Louisiana sucks
I would live in the worst parts of SLa before I live anywhere in NLa.
Posted on 6/18/16 at 3:51 pm to Ostrich
I'm very ignorant on this subject matter, but it doesn't seem like anything will slow down the rising sea levels and the erosion of South Louisiana. I just wonder how this will impact New Orleans and South Louisiana going forward.
Honestly, I don't know how New Orleans is going to survive in 50-100 years.
Honestly, I don't know how New Orleans is going to survive in 50-100 years.
This post was edited on 6/18/16 at 3:52 pm
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