Finance Committee Meeting 2009

• Board Meeting Date: 9/15/2009
• Description: Finance Sub-Committee Meeting September 15, 2009
• Board Meetings - Doc Type: Meeting

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April 2009 Silverman 9
the target, and has a long enough record of full
3.
SELECTION OF THE TARGETS natural flow data during the historical and opera-
AND CONTROLS tional period to support a meaningful evaluation.
3.1 IMO miles the target area basins�ththese criteria
were selected as potential control sites. They
The primary eight small mall ban then directly operations include White River North Forte at Buford(WNF),
were eight email Basins in and dir�tly adjacent White River South For at Buford (WSF), West the Vail Ski that were all very likely Divide Creek (WDC) and the Fryingpan River
seeded under most of the meteorological condi- Near Ruedi(FRR). WNF and WSF are about 75
dons for each operational season. They include Near
west northwest of the target area WQC
Piney River (PNY), Booth Creek {GBO), ?Addle and FRR are about 70 miles and 30 miles west
Creek (MID), Min Creek ( U. ), Black Gore southwest of the target area,respectively.
(GBH), Upper Gore Creek (Gt1P),
Creek(GBL)and Turkey Creek minus Wearyman Table 1 gives the geographical characteristics,
Creek a Ito represent These basins should give the best average water y� sireamt + and data record
unte r a to raol the seeded area er con di- of the selected targets and the potential
done. all operationally seeded weather scroll- col ntrol stations used in this study.Fig. 1 is a map
dons. of the Vail region showing the location of all the
targets ands Vail pro,,,controls, and tie location of the
3.2 Ptlal Conte ground genera
A potential control is a streamflow station that gram and for the Vail-Beaver Creek program.
has not been seeded, is highly correlated with
• e Water year streamflow and data record lengths of the seeding tar-
gets 1.Geographical��'average
gets and the potential control stations used in this study.
Ste. USGS Latitude Longitude Elevation Avg ,cord
Station Name ID No {'N) r W) (feet) FNF` WatsrYrs
Primary Tam
Piney River PNY' 09059500 39.800 106.583 7,272 54,234 1948-2005
Booth Creek GS01 09068200 39.648
106.323 8,325 8,091 1965-2005
Middle Creek MIDI 09066300
39.648 106.382 8,200 3.944 1965-2005
Pitkin Creek GP T1 09066150 39.644 106.302 8,525 7,396 1987-2005 Bighorn Creek 1 G9H' 09066100 39.640 106.293 8,626 5,842 1964-2005
Upper Gore Creek GUP1 09065500 39:623 106.278 8,600 20.523 1948-2005
Black Gore peek GBL1 09068000 39.598 106264 9,150 12,052 1948.2005
Turkey Creek 3 Tmve 09434000 39.523 106.336 8,918 10,312 1965-2005
Potential Controls
West Divide Credo WW2 08089500 39.331 107.579 7,060 22,582 1909-2005
NF Whits Rvr at Buford WNF' 09303000 39.988 107.614 7,010 225.164 1909-2005 j
SF White Rvr at Buford WSF2 09304000 39.974 107.625 8,970 189,524 1909-2005
Fryinlpan Rvr-Ruedi FRR2 09080400
39.366 106.826 7,473 177,090 1909-2005
' Full natural flow data reported by the USGS
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Full natural flow data provided by the Colorado Water Conservation Boar��WCB)
Full natural flow data for Turkey Creek minus that portion for Wearyma
-Scientific Papers- i