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TejasHorn
Texas Fan
High Plains Driftin'
Member since Mar 2007
7522 posts

Tulane study: Miss. Delta in irreversible collapse
quote:

Given the present-day rate of global sea-level rise, remaining marshes in the Mississippi Delta are likely to drown, according to a new Tulane University study.


quote:

The loss of 2,000 square miles (5,000 km2) of wetlands in coastal Louisiana over the past century is well documented, but it has been more challenging to predict the fate of the remaining 6,000 square miles (15,000 km2) of marshland. The study used hundreds of sediment cores collected since the early 1990s to examine how marshes responded to a range of rates of sea-level rise during the past 8,500 years.


quote:

“The scary thing is that the present-day rate of global sea-level rise, due to climate change, has already exceeded the initial tipping point for marsh drowning,” Törnqvist said. “And as things stand right now, the rate of sea-level rise will continue to accelerate and put us on track for marshes to disappear even faster in the future.”


LINK





gthog61
Georgia Tech Fan
Irving, TX
Member since Nov 2009
56739 posts
 Online 

re: Tulane study: Miss. Delta in irreversible collapse


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3433
Eighteen
Houston Astros Fan
Member since Dec 2006
26323 posts

re: Tulane study: Miss. Delta in irreversible collapse
More doomsday predictions that will never pan out and never be heard from again


Ingeniero
LSU Fan
Baton Rouge
Member since Dec 2013
8658 posts

re: Tulane study: Miss. Delta in irreversible collapse
so it has nothing to do with the fact that we've unnaturally forced the river to be contained within our levees, and everything to do with water getting higher? frick outta here you swedish meatball bitch


mtntiger
LSU Fan
Asheville, NC
Member since Oct 2003
18916 posts

re: Tulane study: Miss. Delta in irreversible collapse
Have sea levels really risen that much, or are they conflating sea level rise and natural erosion.

BTW - land masses are constantly being reshaped by tidal action and tectonic plate movement. Remember Pangea?


tiggerthetooth
Houston Astros Fan
Big Momma's House
Member since Oct 2010
44006 posts
 Online 

re: Tulane study: Miss. Delta in irreversible collapse
Why is it that literally every single climate change nutcase has to predict the end of the world in every climate change study. Are you saying there are no benefits at all?


Maybe the Mississippi delta goes, but is there a chance a new delta could spring up somewhere else?


HubbaBubba
LSU Fan
In Quarantine, TX
Member since Oct 2010
31652 posts

re: Tulane study: Miss. Delta in irreversible collapse
So now it's due to climate change? Not due to inept Corp of engineers, levees, channels, dredging, diversions, etc.?

Good one, mate. Do you have another joke?


schwartzy
LSU Fan
Baton Rouge
Member since May 2014
7238 posts

re: Tulane study: Miss. Delta in irreversible collapse
Down the line, the river needs to be allowed to flood areas south of New Orleans. As it stands right now, the river is emptying any remaining silt and sediment at the mouth by Venice, and the sediment drops thousands of feet to the ocean floor.


TDsngumbo
LSU Fan
Member since Oct 2011
23248 posts
 Online 

re: Tulane study: Miss. Delta in irreversible collapse
quote:

so it has nothing to do with the fact that we've unnaturally forced the river to be contained within our levees, and everything to do with water getting higher?



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120
DaTiger
LSU Fan
Some place warm....
Member since Jul 2005
998 posts

re: Tulane study: Miss. Delta in irreversible collapse
quote:

Tulane study: Miss. Delta in irreversible collapse


Sorry, I just don’t believe them anymore.


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144
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East Coast Band
Alabama Fan
Member since Nov 2010
43338 posts
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re: Tulane study: Miss. Delta in irreversible collapse
Bought a second row beach house 35 years ago for cheap waiting on that inevitable sea rise.
How much longer am I supposed to wait?


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251
cgrand
New Orleans Pelicans Fan
HAMMOND
Member since Oct 2009
21489 posts

re: Tulane study: Miss. Delta in irreversible collapse
the loss of marshland due to subsidence and erosion has never been “reversible”, it is natures way. We live in a geographically temporary part of the world. That we happen to have made it worse by shredding it with canals and strangling the river is just accelerating the inevitable


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221
dirtsandwich
Alabama Fan
AL
Member since May 2016
2099 posts
 Online 

re: Tulane study: Miss. Delta in irreversible collapse
quote:

“Miss. Delta”



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370
Tridentds
Texas A&M Fan
Sugar Land
Member since Aug 2011
12137 posts

re: Tulane study: Miss. Delta in irreversible collapse
quote:

Given the present-day rate of global sea-level rise


In Port Arthur there is a stepped "seawall" in Sabine Lake by the marina at pleasure island. Wall is probably 4+ miles long. Lots of people crabbing and fishing on these steps. My grandparents have photos of them on these steps back in the 1960s crabbing and fishing with family, etc...

The bottom step is not underwater today. Looks to be about the same height out of the water today as it was 60-70 years ago. 15" to 18" or so. We launch aluminum boats under bridges around the marsh in Sabine Pass that have been in use for 50+ years.

Exactly where is this rising sea level? Are we talking 1/4" and if so, how the hell do they measure that accurately?


chalmetteowl
LSU Fan
Member since Jan 2008
31038 posts

re: Tulane study: Miss. Delta in irreversible collapse
quote:

Down the line, the river needs to be allowed to flood areas south of New Orleans. As it stands right now, the river is emptying any remaining silt and sediment at the mouth by Venice, and the sediment drops thousands of feet to the ocean floor.

should we pay to relocate everyone south of Belle Chasse?


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30
hubertcumberdale
LSU Fan
Member since Nov 2009
2156 posts

re: Tulane study: Miss. Delta in irreversible collapse
This has everything to do with the damming of the Mississippi River basin and all its tributaries and restricting sediment deposition, rather than something that may or may not even be happening (sea level rise)





This post was edited on 5/23 at 7:26 am


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112
TygerDurden
LSU Fan
Member since Sep 2009
745 posts

re: Tulane study: Miss. Delta in irreversible collapse
I like many don’t buy into this global warming and the world wide rise in water levels due to man made activity. This ebb and flow of climate changes has been occurring for thousands of years before there were large populations of humans. Now what I may agree with is the man made consequences Of salt water intrusion due to the intercostal canal and what it has done to south Louisiana. Also the dredging of the mouth of the Mississippi over a hundred years ago and what effects this has had as well. Not Arguing against these projects as their completions ramped you the US economy but the law of intending consequences is real. .


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67
Midtiger farm
Member since Nov 2014
2058 posts
 Online 

re: Tulane study: Miss. Delta in irreversible collapse
quote:

Maybe the Mississippi delta goes, but is there a chance a new delta could spring up somewhere else?


There is new land forming where the Atchafaylaya flows into the Gulf

Coastal Erosion in LA is caused very little by Climate Change


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64
Bristol Dawg
Pittsburgh Fan
God's Country
Member since Jul 2016
913 posts

re: Tulane study: Miss. Delta in irreversible collapse
They copied the 1977 article and reprinted. Nice job Tulane


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150
jeffsdad
Member since Mar 2007
12217 posts

re: Tulane study: Miss. Delta in irreversible collapse
Thats the kind of real life evidence people need to look at. If more people used common sense we wouldn't be in the situation we are in now.


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