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Donald M. Thomas Faculty

Donald M. Thomas
Geochemist, Director of Center for the Study of Active Volcanoes

Ph.D., University of Hawaii

Email: dthomas@soest.hawaii.edu
Office: POST 619B
Phone Number: (808) 956-6482
Fax Number: (808) 956-3188

University of Hawai'i at Manoa
Hawai'i Institute of Geophysics and Planetology
1680 East-West Road, POST 602
Honolulu, HI 96822
USA


Research Interests:
Geochemistry, Hydrology of geothermal systems, Hydrology of ocean islands, Chemistry of volcanic gases, Radon release and transport

Projects:
I am currently responsible for oversight of drilling-related activities on the Hawaii Scientific Drilling Project that is completing a continuously-cored borehole into Mauna Kea volcano to a planned depth of at least 4.5 km. My scientific interests in the project revolve around hydrology of large volcanic/ocean islands and fluid transport and water-rock reactions occurring below the shallow basal freshwater lens. My other research interests include: study of radon release and transport in the vadose zone as an analog of volatile contaminant transport and as it relates to earthquake precursory phenomena; and the geochemistry of ocean island hydrothermal systems.

I also serve as the Director of the Center for the Study of Active Volcanoes at the University of Hawaii at Hilo. The program is a cooperative effort with the U.S. Geological Survey and provides training in the state-of-the-art of volcano hazards assessment and monitoring and conducts a variety of natural hazards outreach programs for the State of Hawaii.

Relevant Links:


Publications (partial listing):

Thomas D.M, Paillet F., and Conrad M. (1996) Hydrogeology of the KP-1 Borehole, Part II: Fluid geochemistry and regional flow patterns. J. Geophys Res., 101, B5, 11,683-11,694, in press <7310>

Laj C., Garnier F., Herrero-Bevera E., Kissel C., and Thomas D.M. (1996) Preliminary determinations of the geomagnetic field intensity for the last 450 kry from Hawaii Scientific Drilling Project core, Big Island, Hawaii. J. Geophys Res., 101, B5, 11, 625-11, 632, in press <7308>

Garnier F., Herrero-Bevera E., Laj C., Guillou H., Kissel C., and Thomas D.M. (1996) Geomagnetic field intensity over the last 42,000 years obtained from core SOH-4, Big Island, Hawaii. J. Geophys. Res, 101, B1, 585-600, in press <17307>

Guillou H., Turpin L, Garnier F., Charbit S., and Thomas D.M. (1997) Unspiked K-Ar dating of Pleistocene tholeitic basalts from the deep core SOH-4, Kilauea, Hawaii. Chem. Geol, 140, 1-2, 81-88, in press <7305>

Thomas D.M. (1998) Geothermal resources, Invited Contribution to Atlas of Hawaii. University of Hawaii Press, Honolulu, HI, pp. 47-48, in press <7304>

Conrad M.E., Thomas D.M., Flexser S., and Vennemann T.W. (1997) Fluid flow and water-rock interaction in the East Rift Zone of Kilauea Volcano, Hawaii. J. Geophys. Res., Vol. 102, No. B7, 15,021-15,037.

Stolper E.M., DePaolo D.J., and Thomas D.M. (1996) Introduction to special section: Hawaii Scientific Drilling Project. J. Geophys. Res., 101, B5, 11,593-11,598, in press <4534>

Paillet F.L. and Thomas D.M. (1996) Hydrogeology of the KP-1 Borehole,Part I: Hydraulic conditions adjacent to the well bore. J. Geophys. Res., 101, B5, 11,675-11,682. <4386>

Garnier F., Herrero-Bervera E., Laj C., Guillou H., Kissel C., and Thomas D.M. (1995) Geomagnetic field intensity over the last 42,000 years, obtained from core SOH-4, Big Island, Hawaii. J. Geophys. Res.


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