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re: Planned freshwater diversions will doom LA salt fishing

Posted on 3/27/13 at 8:38 am to
Posted by Deege
Member since Dec 2007
847 posts
Posted on 3/27/13 at 8:38 am to
First I say DO No Harm.

I am leaning toward the "Dredge don't Divert" if anything is to be done. Spoil from dredging can build strategic land ridges to buffer storm surge and contain salt marshland.

Facts that I read from the reports I directed you to indicate that land loss in Caenarvon is greater area that all deltas built by all freshwater diversions.

Posted by Jester
Baton Rouge
Member since Feb 2006
34517 posts
Posted on 3/27/13 at 8:43 am to
quote:

I am leaning toward the "Dredge don't Divert" if anything is to be done. Spoil from dredging can build strategic land ridges to buffer storm surge and contain salt marshland.

Facts that I read from the reports I directed you to indicate that land loss in Caenarvon is greater area that all deltas built by all freshwater diversions.



dredging is very, very expensive. We should not waste spoil, but you don't just drive around in a dredge gathering up sediment. You are digging out a channel, which can actually accelerate coastal erosion.... Not to say that dredging is bad, but dredging alone is not the solution.
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 3/27/13 at 8:43 am to
I've read more than enough studies showing dredging barely keeps up with the losses. And costs a ton.

As people of LA we have thrived due to channeling the Mississippi. Now we are feeling the impact. We are going to have to sacrifice somewhere.
Posted by hardhead
stinky bayou
Member since Jun 2009
5746 posts
Posted on 3/27/13 at 9:03 am to
quote:

land loss in Caenarvon is greater area that all deltas built by all freshwater diversions.


and that has nothing to do with storms?
Posted by 34venture
Buffer Zone
Member since Mar 2010
11369 posts
Posted on 3/27/13 at 10:42 am to
quote:

I am leaning toward the "Dredge don't Divert" if anything is to be done. Spoil from dredging can build strategic land ridges to buffer storm surge and contain salt marshland.


You obviously don't know how much dredging cost.
Posted by colorchangintiger
Dan Carlin
Member since Nov 2005
30979 posts
Posted on 3/27/13 at 12:47 pm to
quote:

Facts that I read from the reports I directed you to indicate that land loss in Caenarvon is greater area that all deltas built by all freshwater diversions.


please link this, I've studied Caernarvon pretty extensively from a historic prospective (pre-1950) and would like to know more about the current situation.
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