Preliminary evaluation of the ground-water-flow system in the Twin Cities Metropolitan area, Minnesota.

J. H. Guswa, D. I. Siegel, D. C. Gillies

Research output: Contribution to journalArticlepeer-review

Abstract

A preliminary quasi-three-dimensional finite-difference ground-water-flow model of the seven-county Twin Cities Metropolitan area was constructed and used to evaluate parameter sensitivity and adequacy of available data. Fourteen geologic units that underlie the study area were grouped into nine hydrogeologic units and were incorporated into a five-layer model. Analyses of available data and results of steady-state simulations indicate that critical data needs for improving the simulation model include spatial and temporal variations in groundwater withdrawals and potentiometric levels, and hydraulic properties of the drift filling or partly filling bedrock valleys.-from STAR, 21(20), 1983

Original languageEnglish (US)
Journal[No source information available]
StatePublished - Dec 1 1982

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

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