Thomas D. Bullen

U.S. Geological Survey
Water Resources Division
345 Middlefield Road, MS 420
Menlo Park, CA 94025
Telephone: (415) 329-4577

  • Ph.D. Geology, University of California, Santa Cruz (1986);
  • M.A. Geology, Dartmouth College (1978);
  • B.A. Engineering, Geology, Dartmouth College (1972).

  • Professional Positions:
  • Hydrologist (Geochemist), National Research Program, U.S. Geological Survey, Menlo Park, CA (1990-present);
  • Faculty appointment, Branch of Igneous and Geothermal Processes, U.S. Geological Survey, Menlo Park, CA (1987-1990);
  • Lecturer, Department of Geological Sciences, California State University, Hayward (1985-1989).

  • Selected Publications:

    Bullen, T. D., D. Krabbenhoft and C. Kendall. 1996. Kinetic and mineralogic controls on the evolution of groundwater chemistry and 87Sr/86Sr in a sandy silicate aquifer, northern Wisconsin. Geochim. et Cosmochim. Acta, 60:1807-1821.

    Bullen, T. D., A. F. White, A. E. Blum, J. Harden and M. Schulz. 1997. Chemical weathering of a soil chronosequence on granitoid alluvium: II. mineralogic and isotopic constraints on the behavior of Sr. Geochim. et Cosmochim. Acta, 61:291-306.

    Bullen, T. D. and C. Kendall. 1997. Tracing of weathering reactions and water flowpaths: a multi-isotope approach. In: J. McDonnell and C. Kendall (eds.) Isotope Tracers in Catchment Hydrology. (Chapter 16; In press).

    Clow, D. W., M. A. Mast and T. D. Bullen and J. T. Turk. 87Sr/86Sr as a tracer of mineral weathering reactions and calcium sources in an alpine/subalpine watershed, Loch Vale, Colorado. Water Resour. Res. (In press).

    Hunt, R. J., T. D. Bullen, D. P. Krabbenhoft and C. Kendall. Using stable isotopes of water and strontium to investigate hydrologic and geochemical processes in a natural and a constructed wetland. Groundwater (In review).

    Co-Authors and Collaborators:
    within last 48 months: Bailey, S.; Blum, A.; Bricker, O.; Burns, D.; Hooper, R.; Huntington, T.; Rice, K.; Shanley, J.; Stallard, R.; White, A.

    Graduate Advisor:
    Cameron, K.; Gill, J.

    Title at Hubbard Brook:
    Principal Investigator