Is this the peak - Mountain Buzz
 



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Old 05-21-2008   #1
 
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Is this the peak

Its going to cool down to the 60s will the colorado and others peak in the next two days or will it get bigger win it gets hot again. I hop it has more.

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Old 05-21-2008   #2
 
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Depends where you are talking. Some of the low altitude runs (i.e. Escalante etc.) have probably peaked.

However, for those rivers depending on high mountain snowpack (Poudre, Ark, Clear Creek and about 90% of all other rivers), the runoff has just begun!

Get ready for big water in the next month!
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Old 05-21-2008   #3
 
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More on the way. I'm looking forward to getting all puckered up looking at a class III rapid with 4x the usual volume.

I'm guessing second week of June will be showtime across much of the State. THs will be one of the first years where beetle effect will be seen. CSU projects up to 30% greater runoff, and independent studies seem be verifying that beetle kill is greatly increasing runoff in small drainages, which lead to BIGGER DRAINAGES, WHICH LEAD TO
FLOOD STAGE BABY!!!!
YEAH!!!
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Old 05-21-2008   #4
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Dan, can you explain what Beetle Kill is and why it increases runoff.
Oh, wait, dead trees don't suck up water into their roots, thus, more water flowing from snow to creek/river?

What about wood? Should we expect more?
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Old 05-21-2008   #5
 
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Quote:
Originally Posted by heliodorus04 View Post
Dan, can you explain what Beetle Kill is and why it increases runoff.
Oh, wait, dead trees don't suck up water into their roots, thus, more water flowing from snow to creek/river?

What about wood? Should we expect more?
There was an April 7 or 8 article in the Denver Post "Amid dead pines, the seeds of new growth," which quoted Lee MacDonald of CSU with the 30-percent more runoff number. The reasons Lee provided were: (1) roots no longer absorb water, (2) the denuded branches no longer serve as a platform for snow that never reaches the ground before evaporating (less sublimation).

Also: Dead trees don't use water, while live trees lower ground water tables and more-or-less empty the soil moisture reservoir by late fall. Where there are live trees, the ground water table and soil moisture reservoir act as a sponge that soaks up a portion of snowmelt each spring. If all the trees are dead, the sponge is already wet the snow melts and contributes to runoff right away, losing less water to the ground. ya dig? We've been seeing examples of this in Summit County.

And yes, there will be more wood because: historically high flows dislodge trees and wood from the bank and dead trees are more suseptible to falling over and floating downstream than their live and well anchored counterparts.
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Old 05-21-2008   #6
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Originally Posted by DanOrion View Post
the ground water table and soil moisture reservoir act as a sponge that soaks up a portion of snowmelt each spring.
That is exactly what happened here in Gunnison, and our flooding isnt going to be as bad as the winter made it look like.

we had at least four to five feet of snow everywhere, lawns, roads, houses, fields, if there was snow on the ground, then there was at least four feet of it. everyone was bracing for a big melt, but when the low elevations in town and around town melted it literally all just sluuuuuuuuuurrrrrrpppp right into the ground. all of our snow is gone in gunnison itself, and the gutters barely ran at all because the ground sponged it all up. pretty neat effect really!
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