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Started By
Message
re: Diversion of the Mississippi to rebuild wetlands
Posted on 6/10/10 at 12:52 pm to KLSU
Posted on 6/10/10 at 12:52 pm to KLSU
quote:
Not enough sediment comes down the river any longer
This is so not true. The Corps of Engineers dumps enough sediment off the continental shelf every year to rebuild miles and miles of marshland. They have to dredge the passes at the mouth of the MS river CONSTANTLY to keep the pass from closing off to traffic. The corps take the sediment and dumps it in to the ocean because congress won't give them approval to send it to the marshes.
Saying there isn't enough silt or sediment to do anything is ludicrous.
This post was edited on 6/10/10 at 1:01 pm
2
Posted on 6/10/10 at 1:02 pm to tgrgrd00
quote:
tgrgrd00
quote:
The Corps of Engineers dumps enough sediment off the continental shelf every year to rebuild miles and miles of marshland
Miles and miles of marsh? Please tell us how many acres can be created. Ocean dumping is rare these days. Beneficial use of dredged material is used as much as practicable.
Posted on 6/10/10 at 1:32 pm to Sid in Lakeshore
quote:
Sid in Lakeshore
quote:
Miles and miles of marsh? Please tell us how many acres can be created.
10 square miles a year with the waste. That would be roughly 201,061.9 acres.
“The Corps removes about 60 million cubic yards of sediment from navigation channels in the State of Louisiana every year but only about 12 percent of that material is used to rebuild our vanishing wetlands,” Graves said. “Reasonably, 45 million cubic yards could be used every year. As much as 10 square miles a year could be built with the material that is being wasted.” LINK
quote:
Ocean dumping is rare these days. Beneficial use of dredged material is used as much as practicable.
Really? The article I linked is from Dec '09. Do you have any more recent info that suggests anything is changed from the figures I presented?
Posted on 6/10/10 at 2:49 pm to tgrgrd00
quote:
Saying there isn't enough silt or sediment to do anything is ludicrous.
It have been proven that the sediment is < half what it use to be so I am not sure where you are getting your information but I know where I get mine and it is a FACT....
This post was edited on 6/10/10 at 2:51 pm
Posted on 6/10/10 at 2:52 pm to tgrgrd00
Good find. I do not have anything that disputes your figures. I thought more material was being used beneficially than that. I was wrong.
I AGREE MORE SHOULD BE DONE.
I did notice that article did confirmed that the estimated sediment load is about half the historical maximum.
I AGREE MORE SHOULD BE DONE.
I did notice that article did confirmed that the estimated sediment load is about half the historical maximum.
Posted on 6/10/10 at 3:08 pm to Sid in Lakeshore
quote:
The Federal government" you meant, "the citizens of the United States
one in the same IMO.
Posted on 6/10/10 at 4:41 pm to Pierre
Both are true. The sediment load is less, but the sediment that does make it down the river should ALL be put to beneficial uses.
In the best of all worlds, they would get rid of the locks and damns upriver also to increase the load and build more wetlands.
In the best of all worlds, they would get rid of the locks and damns upriver also to increase the load and build more wetlands.
Posted on 6/10/10 at 6:45 pm to KLSU
quote:
It have been proven that the sediment is < half what it use to be
I don't disagree that the sediment is significantly less than what is used to be.
I do disagree with the assertion that "Not enough sediment comes down the river any longer." This is entirely untrue. See my post above and the link provided that clearly states substantial amounts of land can be built with the current rate of flow. Assuming the corps of engineers stops wasting the precious remaining sediment that is captured by dumping it in to the abyss.
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