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Predicting changes in hydrologic retention in an evolving semi-arid alluvial stream

Dates

Year
2003

Citation

Harvey, Judson W., Conklin, Martha H., and Koelsch, Roger S., 2003, Predicting changes in hydrologic retention in an evolving semi-arid alluvial stream: Advances in Water Resources, v. 26, iss. 9, p. 939-950.

Summary

Hydrologic retention of solutes in hyporheic zones or other slowly moving waters of natural channels is thought to be a significant control on biogeochemical cycling and ecology of streams. To learn more about factors affecting hydrologic retention, we repeated stream-tracer injections for 5 years in a semi-arid alluvial stream (Pinal Creek, Ariz.) during a period when streamflow was decreasing, channel width increasing, and coverage of aquatic macrophytes expanding. Average stream velocity at Pinal Creek decreased from 0.8 to 0.2 m/s, average stream depth decreased from 0.09 to 0.04 m, and average channel width expanded from 3 to 13 m. Modeling of tracer experiments indicated that the hydrologic retention factor (Rh), a measure of [...]

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  • USGS National Research Program

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Provenance

Added to ScienceBase on Fri Apr 19 08:15:08 MDT 2013 by processing file <b>Hydrologic, Ecological, and Biogeochemical Processes in Flowing Waters.xml</b> in item <a href="https://www.sciencebase.gov/catalog/item/504216b6e4b04b508bfd333b">https://www.sciencebase.gov/catalog/item/504216b6e4b04b508bfd333b</a>

Additional Information

Identifiers

Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme 10.1016/S0309-1708(03)00085-X

Citation Extension

journalAdvances in Water Resources
parts
typePages
value939-950
typeVolume
value26
typeIssue
value9
citationTypeJournal Article

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