Streamflow depletion: Modeling of reduced baseflow and induced stream infiltration from seasonally pumped wells

X. Chen, Y. Yin

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

Numerical modeling techniques are used to analyze streamflow depletion for stream-aquifer systems with baseflow. The analyses calculated two flow components generated by a pumping well located at a given distance from a river that is hydraulically connected to an unconfined aquifer. The two components are induced stream infiltration and reduced baseflow; both contribute to total streamflow depletion. Simulation results suggest that the induced infiltration, the volume of water discharged from the stream to the aquifer, has a shorter term impact on streamflow, while the reduced baseflow curves show a longer term effect. The peak impacts of the two hydrologic processes on streamflow occur separately. The separate analysis helps in understanding the hydrologic interactions between stream and aquifer. Practically, it provides useful information about contaminant transport from stream to aquifer when water quality is a concern, and for areas where water quantity is an issue, the separate analysis offers additional information to the development of water resource management plan.

Original languageEnglish (US)
Pages (from-to)185-195
Number of pages11
JournalJournal of the American Water Resources Association
Volume37
Issue number1
DOIs
StatePublished - Jan 1 2001

Keywords

  • Anisotropic aquifer
  • Baseflow
  • Modeling
  • Reduced baseflow
  • Stream infiltration
  • Streamflow depletion

ASJC Scopus subject areas

  • Ecology
  • Water Science and Technology
  • Earth-Surface Processes

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