Arkansas Basin


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Introduction

The Arkansas River basin stretches from its headwaters in the mountains of Colorado and New Mexico, across the plains, through the highlands of Oklahoma and Arkansas, to the Mississippi River. The upper basin of the mainstem Arkansas supports irrigrated agriculture and an increasing proportion of the Colorado Front Range urban area. The native water supply in the Arkansas basin is augmented with water diverted from the Upper Colorado basin.

While only two reconstructions have been developed for the Arkansas River basin, existing tree-ring collections within and adjacent to the upper basin in Colorado and New Mexico would support reconstructions of other gages in those states.

These pages provide access to the latest reconstruction data and information about the use of these reconstructions in water management in the Arkansas River basin.

Old ponderosa pines growing on sandstone bedrock near Turkey Creek northwest of Pueblo, CO.

Photo by Connie Woodhouse


Basin Map

The map below shows the streamflow reconstructions currently available for the Arkansas Basin. Select a gage to view the page for that reconstruction. Select an adjacent basin to visit the TreeFlow homepage for that basin. A list of the reconstructions available for the basin is presented below the map.


Arkansas Basin Reconstructions

Streamflow Reconstruction Page Period Data File
Arkansas River at Canon City, CO 1685-1987 arkansascanoncity.txt
Canadian River near Sanchez, NM
1604-1997 canadian.txt

Other Hydroclimatic Reconstructions developed for, or including, the Arkansas Basin:

Summer (JJA) Palmer Drought Severity Index (PDSI), covering most of North America on 2.5-degree grid

Eastern Colorado May-June-July PDSI, 1552-1995 (Woodhouse and Brown 2001)

 

 

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Workshops

While none of our technical workshops for water managers and stakeholders have been held within the Arkansas basin, the workshops held in the Platte and Upper Colorado basins included presentations on data and applications relevant to the Arkansas basin. Also, at the 2008 workshop in Albuquerque we presented on the reconstruction of the Canadian River. See the Treeflow Workshops page for general information about the workshops.

Jeff Lukas (University of Colorado, INSTAAR) presents "Tree-Ring 101" at the Boulder City, NV workshop.

 

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Pueblo Dam and Reservoir on the Arkansas River west of Pueblo, CO.

Image courtesy of US Bureau of Reclamation.

 

Applications

There are many different ways to use tree-ring reconstructions in the planning and management for water resources, from educational tools to inform stakeholders about the occurrence of severe droughts, to numerical input into water supply models to test the resilience of the system under past hydrologic conditions.

We're not aware of ongoing applications of the reconstructions within the Arkansas Basin. See the TreeFlow Applications page for descriptions of applications of tree-ring data in other basins around the West.

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Arkansas Basin References*

Latest streamflow reconstructions

No publications; see the reconstruction pages listed above for information about these reconstructions.

Analyses and Applications of Streamflow and Climate Reconstructions

Jain, S., C.A. Woodhouse, M.P. Hoerling. 2002. Multidecadal streamflow regimes in the interior western United States: implications for the vulnerability of water resources. Geophysical Research Letters, 29: 2036-2039.

Woodhouse, C.A. and J.J. Lukas. 2006. Drought, Tree Rings, and Water Resource Management in Colorado. Canadian Water Resources Journal 31(4): 1-14

Other climate reconstructions

Cook, E.R., Woodhouse, C., Eakin, C.M., Meko, D.M., and Stahle, D.W. 2004. Long-term aridity changes in the western United States. Science, v. 306, p. 1015-1018.

Woodhouse, C.A., and P.M. Brown. 2001. Tree-ring evidence for Great Plains drought. Tree-Ring
Research 57:89-103.

Woodhouse, C.A., G.T. Pederson, and S.T. Gray. 2011. An 1800-year record of decadal-scale hydroclimatic variability in the Upper Arkansas River basin from bristlecone pine. Quaternary Research. 75, 483-490. doi: 10.1016/j.yqres.2010.12.007

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External Links

NOAA Regional Integrated Sciences and Assessment Program (RISA)

Western Water Assessment (WWA)

Climate Assessment for the Southwest (CLIMAS)

 

 

* for additional resources, see the Other Resources page.

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