New River Inlet"Hardened Structure"

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New River Inlet"Hardened Structure"
New River Inlet"Hardened Structure"
New River Inlet"Hardened Structure"
May 26, 2017 3:50 am EST
Location: 33.436N 77.743W
Wind Dir: W (260°)
Wind Speed: 21 knots
Wind Gust: 27 knots
Sig Wave Height: 8 ft
Dom Wave Period: 8 sec
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Air Temp: 74°F (23.2°C)
Dew Point: 60°F (15.3°C)
Water Temp: 75°F (23.8°C)

New River Inlet"Hardened Structure"
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New River Inlet"Hardened Structure"
 
 
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flatbottom
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PostPosted: Mon Feb 06, 2017 10:34 am    Post subject: New River Inlet"Hardened Structure" Reply with quote

Good news for those of us fortunate enough to get to navigate New River Inlet. Looks like they are finally in the beginning stages of a study for a "hardened structure", I guess its close enough to a jetty we've been wanting, and the Marine Corps may be on board too. Hopefully not the same ole stuff that has been going on for years.

http://www.witn.com/content/news/North-Topsail-Beach-beginning-to-build-hardened-structure-to-prevent-erosion-412745163.html
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Matador
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PostPosted: Mon Feb 06, 2017 10:48 am    Post subject: Reply with quote

Long overdue. I hope it happens.
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PostPosted: Mon Feb 06, 2017 4:52 pm    Post subject: Reply with quote

Doesn't seem unreasonable that the inlets maintained with dredging not have jetties. An overwhelming majority of navigable inlets on both coasts of Florida have jetties or some sort of "hardened structure". Just don't buy the increased erosion argument.
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PostPosted: Mon Feb 06, 2017 5:11 pm    Post subject: Reply with quote

rdnkvet wrote:
Doesn't seem unreasonable that the inlets maintained with dredging not have jetties. An overwhelming majority of navigable inlets on both coasts of Florida have jetties or some sort of "hardened structure". Just don't buy the increased erosion argument.


The erosion does happen (it is readily apparent at Little River Inlet, at least) but I'm not convinced it is increased. I think it just concentrates it instead of happening all along the beach.
  
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candyman
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PostPosted: Mon Feb 06, 2017 6:08 pm    Post subject: Reply with quote

Enviros won't let it happen. I very much hope I'm wrong!!  
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DAVID146
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PostPosted: Mon Feb 06, 2017 6:50 pm    Post subject: Reply with quote

Where's the erosion at little river?  
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rdnkvet
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PostPosted: Mon Feb 06, 2017 7:23 pm    Post subject: Reply with quote

Where's the erosion at Masonboro? Same goes for all the jetties in Florida? If the erosion was bad Florida would be an island chain for all the jetties they have.
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PostPosted: Tue Feb 07, 2017 1:07 am    Post subject: Reply with quote

Hmmm, UNCW would have us believe erosion is taking place on every barrier island in the world. The salient question would seem to be where is the dirt going, not if it's going. Wonder why a jetty would change that dynamic, doesn't seem to be the case elsewhere ... chin  
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dragula65000
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PostPosted: Tue Feb 07, 2017 10:34 am    Post subject: Reply with quote

I flew over the inlet about a week ago. The channel is the old channel, and where it has been dredged in the past, it's all white wash.

With the currents and this terminal groin being put in, I wonder what it's going to do to the north end due to currents. I guess only time will tell.

I'm honestly in the middle with the project since I virtually know nothing about ocean currents, but I know enough to get myself in trouble!
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PostPosted: Tue Feb 07, 2017 11:01 am    Post subject: Reply with quote

DAVID146 wrote:
Where's the erosion at little river?


The west side is pretty different than the east side.

Looks just like this. Not saying it is a bad thing, just that it does happen. But beach erosion happens everywhere.

  
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rdnkvet
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PostPosted: Tue Feb 07, 2017 5:16 pm    Post subject: Reply with quote

wavescrash wrote:
DAVID146 wrote:
Where's the erosion at little river?


The west side is pretty different than the east side.

Looks just like this. Not saying it is a bad thing, just that it does happen. But beach erosion happens everywhere.



I agree. Of course erosion is occuring every minute of every day along the coast (hardened structure or none), but to what detriment if jetties are placed. I don't see a major issue that should stop jetty construction on an inlet that is considered navigable except of that of increased safety for boaters utilizing those inlets.
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PirateJuan
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PostPosted: Wed Feb 08, 2017 11:56 am    Post subject: Reply with quote

I think that their argument is 2 parts:

1) Cost - If you have to fix beach erosion caused by the jetties, then why put in jetties AND fix erosion when you can just dredge the inlet every now and then.

2) Environment - (This one I'm just paraphrasing. Not a doctor, or a scientist, or a proctologist). Creating un-natural erosion can sometimes mess with tides and screw up the ecosystem. Birds eat fish, fish eat other fish, birds and fish lay eggs, blah blah blah. I didn't take marine biology, so I don't know enough to tell them that they are wrong.

Not sure where I stand on it, but trying to keep an open mind.
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DAVID146
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PostPosted: Wed Feb 08, 2017 7:37 pm    Post subject: Reply with quote

rdnkvet wrote:
wavescrash wrote:
DAVID146 wrote:
Where's the erosion at little river?


The west side is pretty different than the east side.

Looks just like this. Not saying it is a bad thing, just that it does happen. But beach erosion happens everywhere.



I agree. Of course erosion is occuring every minute of every day along the coast (hardened structure or none), but to what detriment if jetties are placed. I don't see a major issue that should stop jetty construction on an inlet that is considered navigable except of that of increased safety for boaters utilizing those inlets.

Ok I see. So if you have no structures in place it is less damaging so to speak?What we do know is without one the channel is ever changing high cost to dredge. I believe those dredges stay at moorehead working at least every time I was up that way. I have not seen one at LR in years but it could use some at least for the big boats.
Inlet like snows cut,lock wood,swansboro, etc will never stay open without help. So what's a better solution? And hoe come SC has so many?
  
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ditdotter
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PostPosted: Wed Feb 08, 2017 9:05 pm    Post subject: Reply with quote

I pulled this from an article by Coastal Review online that shows the proposed terminal groin at the north end of Topsail. Somewhat atypical of the traditional jetty system that we see at other places like at Masonboro and Beaufort inlets or even Florida.

http://www.coastalreview.org/2017/02/north-topsail-looks-fast-track-groin-study/
  
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PirateJuan
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PostPosted: Wed Feb 15, 2017 7:59 pm    Post subject: Reply with quote

Happened upon this presentation on youtube the other day. The whole thing is interesting, but fast forward to 29:40 where it talks about Ocean City. Might be why Figure 8 voted it down. Looks like the terminal groins are helpful when you don't mind what happens to the southern island (like Masonboro). Not that we don't care what happens to it, but the beach moving back a few hundred feet isn't going to sink a house or anything.

https://www.youtube.com/watch?v=rswO8kx5hzY
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