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Predicted hydrology (intermittency) of a given stream reach under drier climate conditions in the Upper Colorado River Basin

Dataset

Dates

Publication Date
Start Date
2011
End Date
2015

Citation

Reynolds, L.V. and Shafroth, P.B., 2016, Modeled Streamflow Metrics on Small, Ungaged Stream Reaches in the Upper Colorado River Basin: Data: U.S. Geological Survey data release, http://dx.doi.org/10.5066/F7H9938M.

Summary

Our objective was to model the risk of becoming intermittent under drier climate conditions on small, ungaged streams in the Upper Colorado River Basin. Modeling streamflows is an important tool for understanding landscape-scale drivers of flow and estimating flows where there are no gaged records. We focused our study in the Upper Colorado River Basin, a region that is not only critical for water resources but also projected to experience large future climate shifts toward a drier climate. We used a conditional inference modeling approach to model the relation between intermittency status on gaged streams (115 gages) and selected mean and minimum flow metrics. We then projected intermittency status and if a stream reach would be "threatened [...]

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ThreatenedIntermittency.shp.zip
“Final Data Set Files”
28.96 MB

Purpose

Projected intermittency status and if a stream reach would be "threatened by intermittency" under a drier climate based on predicted minimum flow CV and specific mean annual flow for small, ungaged streams in the Upper Colorado River Basin. This map projection of intermittency and threatened intermittency are useful for scientists, land owners, and policy makers to understand current hydrology in the Upper Colorado River Basin and to make informed decisions regarding water resources.

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  • USGS Data Release Products

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