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2
The bar is open.... / Re: Tailwaters
« Last post by Mudwall Gatewood 3.0 on December 13, 2018, 21:59:30 PM »
Are both of your temp stats coming from the first gauge below each dam?

A fact we haven't addressed on these two tailwaters: feeders.
Outside of Townes Ck., the Smith has no coldwater feeders. And Townes is borderline. Yeah, The Smith has has some springs and seeps. But...
The Jackson below Gathright has numerous coldwater feeders. Some of them fairly substantial. Has to help.

Tailwater feeders are the Smith's problem.  By the time reaches Eggleston Falls, 40% of the flow is fed by warm tailwater feeders.  Add September tropical moisture, and the system crashes.  A wet spring and a dry Aug and Sept is good for the lower Smith.  This year we had a dry Spring and a very wet and warm fall.

The bottom-line is you’re pushing the limits of an artificial managed ecosystem.  You can only go so far downstream before the nuances of mother nature attempts to restore what is standard or what used to be stock.     
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The bar is open.... / Re: Tailwaters
« Last post by Onslow on December 13, 2018, 21:20:10 PM »
Are both of your temp stats coming from the first gauge below each dam?

A fact we haven't addressed on these two tailwaters: feeders.
Outside of Townes Ck., the Smith has no coldwater feeders. And Townes is borderline. Yeah, The Smith has has some springs and seeps. But...
The Jackson below Gathright has numerous coldwater feeders. Some of them fairly substantial. Has to help.

Tailwater feeders are the Smith's problem.  By the time reaches Eggleston Falls, 40% of the flow is fed by warm tailwater feeders.  Add September tropical moisture, and the system crashes.  A wet spring and a dry Aug and Sept is good for the lower Smith.  This year we had a dry Spring and a very wet and warm fall.
4
The bar is open.... / Re: Tailwaters
« Last post by Onslow on December 13, 2018, 21:13:39 PM »
I still think wet Aug-Septembers the primary nemesis for the lower Smith.  Note the high water, and warm water.  The warm follows 12-24 hours after the surge. 
Please review the hydrograph link below.

https://nwis.waterdata.usgs.gov/va/nwis/uv/?cb_00010=on&cb_00060=on&format=gif_default&site_no=02073000&period=&begin_date=2018-07-01&end_date=2018-10-01
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The bar is open.... / Re: Mexico Returns 2nd Edition just published!
« Last post by BRFFF on December 13, 2018, 20:39:31 PM »
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Goes great with beer!


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6
The bar is open.... / Re: Tailwaters
« Last post by Dougfish on December 13, 2018, 20:32:04 PM »
What about the temps right above Martinsville Dam?  The water at that point is warmed, thus the release over that dam will always keep downstream temps warmer.  Is that truly the case?

I don’t follow it as much but with the changes in Philpott’s releases, was there a significant shift in the Martinsville releases

The shallow pond above Martinsville is what it is. The generations at Martinsville are what they are. When they have a back up of water, they generate.
When they don't, they don't. With only one generator at Philpott, the volume of cold water is halved.
The trout fishery below Martinsville is fukkered for a few, at least, more years. Yea, there will be some browns, there. But it's a shadow of what it was.
Pay your taxes. Pray the feds get the new turbines installed. Pray they don't ef it up. Pray for no droughts. Get a raft. Learn to fish high flows.
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The bar is open.... / Tailwaters
« Last post by ryguy on December 13, 2018, 20:13:22 PM »
What about the temps right above Martinsville Dam?  The water at that point is warmed, thus the release over that dam will always keep downstream temps warmer.  Is that truly the case?

I don’t follow it as much but with the changes in Philpott’s releases, was there a significant shift in the Martinsville releases?


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8
The bar is open.... / Re: Tailwaters
« Last post by Onslow on December 13, 2018, 19:45:10 PM »
Yes.  But I'll post some up for Basset and Martinsville.  Coming atcha in a moment
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The bar is open.... / Re: Tailwaters
« Last post by Dougfish on December 13, 2018, 19:07:14 PM »
Are both of your temp stats coming from the first gauge below each dam?

A fact we haven't addressed on these two tailwaters: feeders.
Outside of Townes Ck., the Smith has no coldwater feeders. And Townes is borderline. Yeah, The Smith has has some springs and seeps. But...
The Jackson below Gathright has numerous coldwater feeders. Some of them fairly substantial. Has to help.
10
The bar is open.... / Re: Tailwaters
« Last post by Onslow on December 13, 2018, 18:59:18 PM »
Going to add a few more tailwaters that are not trout worthy.  Unfortunately, I cannot procure good data for the Soho, Clinch, Pound, Watauga, Gauley, R.D. Baily.  Gonna throw some some streams for Cataloochee.  All content will be added to the first post, and not another.
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