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Picture of Douglas-fir trees near Dillon Reservoir

A 650 year-old Douglas-fir stands just east of Dillon Reservoir. It and 15 other very old trees were sampled to develop the Dillon (DIL) tree-ring chronology, which has been used to reconstruct the annual flow of the Blue River.

Update July 2009: The Colorado TreeFlow web pages have been incorporated into the newly expanded TreeFlow web resource.
TreeFlow homepage: http://treeflow.info/

The new TreeFlow is organized by major hydrologic basin, so the streamflow reconstructions for Colorado and related information can be accessed through the appropriate basin home page:
Platte Basin: http://treeflow.info/platte/
Upper Colorado Basin: http://treeflow.info/upco/
Arkansas Basin: http://treeflow.info/ark/
Rio Grande Basin: http:/treeflow.info/riogr/

The streamflow reconstructions for Colorado archived at the NOAA World Data Center for Paleoclimatology are listed below. (These, and additional reconstructions, are also archived through the new TreeFlow pages above)

South Platte Basin
South Platte River above Cheesman Reservoir
South Platte River at South Platte
North Fork South Platte River at South Platte
Clear Creek near Golden
Boulder Creek near Orodell
St. Vrain River at Lyons
Big Thompson River at Canyon Mouth
Cache la Poudre River at Canyon Mouth

Upper Colorado Basin
Fraser River at Winter Park
Fraser River at Colorado River confluence
Willow Creek Reservoir Inflow
Colorado River above Granby
Williams Fork near Leal
Blue River at Dillon
Blue River above Green Mountain Reservoir
Colorado River near Kremmling
Roaring Fork River at Glenwood Springs

Rio Grande Basin
Alamosa River above Terrace Reservoir
Saguache Creek near Saguache
Conejos River near Mogote
Rio Grande near Del Norte

Arkansas Basin
Arkansas River at Cañon City

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http://www.ncdc.noaa.gov/paleo/streamflow/index.html
Downloaded Thursday, 31-Jul-2014 19:59:47 EDT
Last Updated Tuesday, 21-Jul-2009 14:49:17 EDT by paleo@noaa.gov
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