WINTER WATER: Rain on Snow on the South Fork Boise

For many or most, the rods get stored away and skis are out for the winter.  Angler use on the South Fork Boise River is light through the winter months until the fishing closes March 31.  But through this phase the weather brings its own changes to the river.  A rain on snow event is the type of winter event where water flows and erosion can affect the South Fork Boise River.

An ice & water jam at the top of Anderson Ranch Dam

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SCIENCE FEBRUARY: Remote sensing used to understand river channel

The US Geological Survey (USGS) last year issued a science report on the use of laser technology to help exploring the depths and shape of the South Fork Boise river channel from the air.

The report (.pdf) carries the complicated but self-evident title of Evaluation of LiDAR-Acquired Bathymetric and Topograhic Data Accuracy in Various Hydrogeomorphic Settings in the Deadwood and South Fork Boise Rivers, West-Central Idaho, 2007.

It sounds and is complicated.  And NASA is involved too.   Continue Reading…

BVFF Annual White Fish Derby

  • Saturday, February 25, 2012
    10:00am until 1:00pm

$5 for the BBQ
The derby itself is free.

Registration starts at 9:30am.
Fishing is from 10am – 3pm
Weigh in is at 3:30pm.

You can NOT keep trout!

There will be a 15 inch minimum length for the whitefish our tourney this year.
(Please catch and release the smaller fish)

Please invite your friends and family!

SCIENCE FEBRUARY: A look back at a long ago study, recently rediscovered

Winter on the South Fork Boise.  It is usually a time for the most dedicated anglers, but mostly quiet.  So this website will fill some time with a few science reports that we’ll strip out over this month.  We’ll call it Science February.

“The river was cut by the world’s great flood and runs over rocks from the basement of time. On some of those rocks are timeless raindrops. Under the rocks are the words, and some of the words are theirs.  I am haunted by waters”

When Norman Maclean penned those words in the immortal novella A River Runs Through It, he referenced the Big Blackfoot and the Clark Fork Rivers of Montana.  The world’s great flood referenced the break of the ice plug that held back Lake Missoula, draining the lake, creating the channeled scablands of eastern Washington, and depositing sediment in the Willamette Valley of Oregon.  But whose “words are theirs” the words found under the rocks?

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Water Update

It certainly was a long, bleak December and early January, especially if you ski at Bogus Basin.  The drive into the South Fork canyon was less treacherous.  In the past few days a wave of Pacific storms finally arrived and dumped snow across western and central Idaho.  Here’s a chart showing snowpack so far this year compared to the three previous years:

So what does this mean for flows this summer?

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