Environmental Sciences

Environmental Sciences Experts

Randall Bayless

Water Science
The U.S. Geological Survey
United States of America


  Attended Wabash College, Purdue University (B.S. 1983), Indiana University (M.S. 1987, Ph.D. 1994).  Received a B.S. from Purdue University with a geology major and mathematics minor. Received a M.S. from Indiana University with a major in hydrogeology and a minor in numerical methods. The M.S. thesis used numerical modeling to verify field evidence of ice-sheet surging during the Pleistocene epoch. Received a Ph.D. from Indiana University with a major in hydrogeology and a minor in geochemistry. The Ph.D. dissertation used hydraulic and geochemical modeling to determine that hydrated iron-sulfate minerals were responsible for acute acid-mine drainage events.

Research Interest

  karst hydrology, isotope geochemistry, Lake Michigan, horizontal flow meter technologies, pesticide and nutrient fate, unsaturated zone instrumentation and transport modeling, high pH (slag) and low pH (coal mine) settings, surface and borehole geophysics, and wetland hydrology.


  • Hydrologic data and groundwater flow simulations in the vicinity of Long Lake, Indiana Dunes National Lakeshore, near Gary, Indiana, Lampe, David C.; Bayless, E. Randall

  • Geophysical-log and hydraulic-test analyses of groundwater-production wells at the Hannahville Indian Community, Menominee County, Michigan, Bayless, E. Randall; Anderson, J. Alton; Lampe, David C.; Williams, John H.

  • Surface-water and karst groundwater interactions and streamflow-response simulations of the karst-influenced upper Lost River watershed, Orange County, Indiana, Bayless, E. Randall; Cinotto, Peter J.; Ulery, Randy L.; Taylor, Charles J.; McCombs, Gregory K.; Kim, Moon H.; Nelson, Hugh L.

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