WATFUSGSClimateChangeMay2007

• Title: Selected USGS Science Capabilities Related to the Effects of Climate Change and Variability on Colorado Water Resources
• Date: 5/15/2007
• Description: Water Availability Task Force Meeting Presetation
• Basin: Statewide
• Drought Mitigation - Doc Type: Presentation

Cache La Poudre Watershed

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NOAA, NCDC International Tree-Ring Data Bank- Owl Canyon Up
(Woodhouse, Lukas, Brown, and Riser)

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1508

1600

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1900

2002
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5000 USGS 06752000, Cache La Poudre River at mouth of canyon, near Ft.Collins (1911-2005)

(B)

;;0 4000
-'!.
j~ 3000

.. 2000
o

1000

1915~

1935

1945

1955

1965

1975

1985

1995

2005 I

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1930

NOAA, NCDC, Ft. Collins Precipitation Station No. 53005 (1931-2006)

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Figure 1.3 Cache La Poudre River study area, Site locations of tree-ring time-series (purple circle),
surface-water discharge time-series (red circle), and precipitation time-series (blue circle) are shown.

1970
YEAR
Figure 1.4 Raw hydrologic time-series: (A) tree-ring from Owl Creek (1508 to
2002); (B) Cache La Poudre River discharge (1911 to 2005); and (C) monthly

1940

1950

1960

1980

1990

2000

2005

E~!ti~..__~Water Availabilit Task Force meetin Gurdak 2007