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Coastal Erosion of our marshes gifs from 1956 to 2009

Posted on 8/16/19 at 12:51 pm
Posted by MrLSU
Yellowstone, Val d'isere
Member since Jan 2004
29741 posts
Posted on 8/16/19 at 12:51 pm
I shudder to think what these maps look like today 10 years after the last images were taken.

Posted by celltech1981
Member since Jul 2014
8139 posts
Posted on 8/16/19 at 12:56 pm to
I knew this ole cat in Hackberry who claimed the erosion was a myth because he had been fishing there for 40 years and never noticed it
Posted by eatpie
Kentucky
Member since Aug 2018
1583 posts
Posted on 8/16/19 at 1:06 pm to
Why is anyone surprised? You channel the river that built the delta and the delta dissolves. Cannot be stopped, might be slowed.
Posted by biglego
San Francisco
Member since Nov 2007
84758 posts
Posted on 8/16/19 at 2:29 pm to
We just need more Xmas trees
Posted by Popths
Baton Rouge
Member since Aug 2016
4508 posts
Posted on 8/16/19 at 3:25 pm to
I fished this summer with a guide who was using a GPS map that was 4 years old. Crazy how much has washed away in those 4 years. This was in Grand Isle.
Posted by MadtownTiger
Texas
Member since Sep 2010
4418 posts
Posted on 8/16/19 at 6:32 pm to
Funny shite is the liberal media has forgotten about it...after pinning it on global warming and sea level rise they finally gave up.

Gonna have to blow out the levees and piss off the ornery fisherman...only way to save the marsh.

Scott McLendon wrote a BA paper a few years back about the geology of Louisiana...see if I can find it again.

Louisiana and the nation dont give a crap about anything but the river...just dredge it up every few years.
Posted by Ruxins Rascals
Middle of Da Bayou
Member since Nov 2018
537 posts
Posted on 8/16/19 at 8:59 pm to
The rate of erosion is overstated. Land is being lost just not nearly at the rate being proclaimed. Hell areas near the Atchafalaya River are growing and the marsh is healthier than ever.
Posted by canyon
MM23
Member since Dec 2003
22202 posts
Posted on 8/16/19 at 9:40 pm to
has no bearing on the fact that land is indeed disappearing
Gone
Posted by cave canem
pullarius dominus
Member since Oct 2012
12186 posts
Posted on 8/16/19 at 10:53 pm to
quote:

Cannot be stopped, might be slowed.



It can be stopped and reversed, no one has the guts to do what is necessary though.

LA has to make a choice, which do you value more, a deepwater port in NO and freshwater cooling in cancer alley or marsh building sediment? It really is that simple.

There is no magic formula to have your cake and eat it as well.
Posted by lsuson
Metairie
Member since Oct 2013
15353 posts
Posted on 8/16/19 at 11:42 pm to
They have to allow large sections of the river to dump into the marsh as well as dredge. The amount of sediment left over in bonne carre after this last opening is unreal. Look at wax lake. Just opening passes isn’t going to cut it. The oyster fisherman will bitch, the fishing guides, shrimpers, etc. it’s not too late if we do something now,. The bickering needs to end.
Posted by cave canem
pullarius dominus
Member since Oct 2012
12186 posts
Posted on 8/16/19 at 11:46 pm to
quote:

The oyster fisherman will bitch, the fishing guides, shrimpers, etc.


That is just noise

The bitching that matters will come from every plant on the river and the Port of NO, dredging may help the port but will do nothing to resolve freshwater cooling issues.
Posted by Scrowe
Louisiana
Member since Mar 2010
2939 posts
Posted on 8/17/19 at 7:11 am to
There are plans for one around Myrtle Grove for the north side of Barataria Bay and plans for one for Maurpas as well along with many smaller sediment diversion, but they get stuck in government red tape that by the time the projects are approved our state will have more than likely squandered the BP money.
Posted by DTRooster
Belle River, La
Member since Dec 2013
9054 posts
Posted on 8/17/19 at 12:21 pm to
quote:

Why is anyone surprised? You channel the river that built the delta and the delta dissolves.
^
Posted by Riseupfromtherubble
You'll Never Walk Alone
Member since Jun 2011
39995 posts
Posted on 8/17/19 at 12:30 pm to
quote:

LA has to make a choice, which do you value more, a deepwater port in NO and freshwater cooling in cancer alley or marsh building sediment?


The choice has clearly been made by the shot callers
Posted by DTRooster
Belle River, La
Member since Dec 2013
9054 posts
Posted on 8/17/19 at 2:34 pm to
quote:

Look at wax lake
watch the same thing happen around the Marci Gras cut. When the river is down they should repair it to a given height and make it an overflow weir. Would do wonders when the river is high but give a chance for salt marshes to form. Make more, one every few miles both sides the river from NewOrleans on down
Posted by ecb
Member since Jul 2010
10226 posts
Posted on 8/17/19 at 4:02 pm to
Can you slow it down? The gif?
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 8/17/19 at 4:09 pm to
quote:

Would do wonders when the river is high but give a chance for salt marshes to form.
Everywhere the MS River spills its bounds, freshwater marsh will be found.
Posted by udtiger
Over your left shoulder
Member since Nov 2006
115474 posts
Posted on 8/18/19 at 9:22 am to
Thank you ACoE!!
Posted by Sid in Lakeshore
Member since Oct 2008
41956 posts
Posted on 8/18/19 at 10:30 pm to
quote:

Hell areas near the Atchafalaya River are growing and the marsh is healthier than ever.


Yes, that one small little area near the Atchafalaya "delta" is growing. EVERYTHING ELSE is receding / submerging.
Posted by Sid in Lakeshore
Member since Oct 2008
41956 posts
Posted on 8/18/19 at 10:33 pm to
quote:

It can be stopped and reversed, no one has the guts to do what is necessary though.




No. It would have to be a NATIONAL PRIORITY in order to have a chance to stop it. It will never be that.

The Coast 2050 Plan stated as it's goal; "No NET loss of wetlands by the year 2050". That was if it was fully funded 15 years ago. It has never been funded and the costs have only increased.

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