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Predicted mean annual number of zero-flow days of small streams in the Upper Colorado River Basin based on historic flow data

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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 mean annual number of zero-flow days (days per year) for small streams in the Upper Colorado River Basin under historic hydrologic 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 random forest modeling approach to model the relation between zero-flow days per year on gaged streams (115 gages) and environmental variables. We then projected [...]

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ZeroFlowDays.tif.zip
“Final Data Set Files”
33.69 MB

Purpose

Modeled mean annual number of zero-flow days (days per year) on small, ungaged streams in the Upper Colorado River Basin. Our map projections are useful for scientists, land owners, and policy makers to understand current hydrology in the Upper Colorado Basin and to make informed decisions regarding water resources.

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  • USGS Data Release Products

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