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Posted on 3/5/18 at 1:05 pm to olddawg26
So are icebergs melting or not?
Posted on 3/5/18 at 1:34 pm to 337Tiger19
Tear down the levees and see if in climate change can stop the Miss from creating land.
It sure hasn't stooped the Atchafalya from depositing a bunch of sediment at its mouth and creating more land.
It sure hasn't stooped the Atchafalya from depositing a bunch of sediment at its mouth and creating more land.
Posted on 3/5/18 at 2:01 pm to Midtiger farm
quote:
It sure hasn't stooped the Atchafalya from depositing a bunch of sediment at its mouth and creating more land.
This. What's happened at Wax Lake over the past 30 years is a clear proof of concept.
The other problem with the Mississippi River is the fact that it doesn't carry near the amount of sediment it did 100 years ago. Upriver locks and dams on tributaries have resulted in it carrying possibly as little as 10% of the sediment it used to.
Even if we completely unleashed the river, it might not carry enough sediment to save all that has been lost and is being threatened with imminent loss, but no one can deny it wouldn't help tremendously, just at what cost. What costs are we willing to pay in terms of flooding of populated areas and navigation issues for shipping and industry relying on the river.
Posted on 3/5/18 at 2:05 pm to 337Tiger19
Soil erosion is exacerbated by the capture of total suspended solids (turbidity) further upstream in the Miss., and the creation of the levees which prohibit the distrubition of the remaining TSS in the water downstream, which causes the soil to settle.
Together it explains why Louisiana is more prone to flooding.
Neither of which have a modicum to do with global climate change.
I wish the authors and OP knew what they were talking about.
Together it explains why Louisiana is more prone to flooding.
Neither of which have a modicum to do with global climate change.
I wish the authors and OP knew what they were talking about.
Posted on 3/5/18 at 2:09 pm to 337Tiger19
quote:
unless of course you don't believe in climate change,
This part is the fake news.
The climate changes, I don't know of anyone that disputes that. Is man powerful enough to change the climate is where the issues are found.
Good try though.
Posted on 3/5/18 at 2:09 pm to Midtiger farm
quote:
It sure hasn't stooped the Atchafalya from depositing a bunch of sediment at its mouth and creating more land.
The river gradient from ORCS to the Wax Outlet is twice that from Red River Landing to Head of Passes.
In other words, its a hell of a lot steeper, and will continue to get steeper until the river eventually changes course. A lot of the new soil in the Wax Outlet has come from the former river bottom.
Meanwhile, the Miss River has the opposite problem, leading to sometimes unpredictable flooding like in 2011.
Posted on 3/5/18 at 2:37 pm to 337Tiger19
quote:
Good read
How about getting the facts? Can you not do that?
quote:Is it that goddamned hard for you to sort through BS, before directing invectives, accusations, and derisives at the other side?
unless of course you don't believe in climate change, then this is fake news perpetuated by George Sorros or whoever.
Sea level rise is about 3.2mm/yr.
Three-point-two (3.2) millimeters per year.
Buy yourself a ruler.
Check out how big a measurement 3.2mm actually is.
Then, answer this. Assuming sea level has maintained 3.2mm/yr gains X 50yrs, does the resultant 5.9" rise account for anything approaching land loss being pointed out in Louisiana?
OF COURSE NOT!
Posted on 3/5/18 at 7:41 pm to kingbob
quote:
If climate change were the issue, Texas, Alabama, Mississippi, and Florida would all be seeing the same land loss issues, but they’re not. The problem is levees, locks, and dams, not fossil fuels, and focusing on climate change as the cause ensures solutions to the real causes go unaddressed and unfunded
Did you post something similar (and get the same responses) a week or so ago? It feels like a bad case of deja vu.
Posted on 3/5/18 at 9:26 pm to Midtiger farm
quote:I've read reports that say the Mississippi un-leveed wouldn't create land like it used to because it doesn't carry nearly the amount of silt it used to. But, as said, if the Atchafalaya is building land, why wouldn't the Mississippi?
It sure hasn't stooped the Atchafalya from depositing a bunch of sediment at its mouth and creating more land.
Here's the other thing. You know the dead zone in the Gulf? It's caused by fertilizers from the river concentrating in the gulf and creating algae blooms.
Now, my question is, what would happen to marshes if they were flooded with these fertilized waters? Wouldn't accelerated vegetation growth perhaps overcompensate for the absence of silt coming downriver? I love the concept of these fertilized waters nourishing marsh grass growth and, in the process, reducing the dead zone problem in the Gulf.
Never seen any science discuss this, though.
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