Dr. Christopher Kekoa Hiroshi Guay

Contact Info:	ckguay@lbl.gov Earth Sciences Division Ernest Orlando Lawrence Berkeley National Laboratory One Cyclotron Road Berkeley, CA 94720 USA
Education:	Harvey Mudd College (Claremont, CA), 1987-1989 B.S., Chemistry, 1992, University of California, Davis M.S., Chemical Oceanography, 1997, College of Oceanic Atmospheric Sciences, Oregon State University Ph.D., Chemical Oceanography, 1999, College of Oceanic Atmospheric Sciences, Oregon State University
Employment:	1988-1989 Undergraduate Research Assistant, Dept. of Chemistry, Harvey Mudd College (Claremont, California) 1990-1992 Undergraduate Research Assistant, Department of Chemistry, University of California, Davis 1991-1992 Chemistry Tutor, Department of Chemistry, University of California, Davis 1992-1993 Laboratory Technician Sierra Technology Corporation (Sacramento, California) 1994 Teaching Assistant, Chemical Oceanography College of Oceanic and Atmospheric Sciences, Oregon State University1993-1999 Graduate Research Assistant College of Oceanic and Atmospheric Sciences, Oregon State University 1999-2001 Postdoctoral Fellow, Lawrence Berkeley National Laboratory 2001-present Research Scientist, Lawrence Berkeley National Laboratory
Professional Activities:	Security Clearance (level: SECRET), Office of Naval Research Student Advisory Committee, College of Oceanic & Atmospheric Sciences, Oregon St ate University Member American Geophysical Union and American Chemical Society
Honors:	Academic NOAA Climate and Global Change Program Postdoctoral Fellowship, 1999 Arctic Research Consortium of the U.S. Award for Research Excellence, 1996 Cobbler Graduate Student Achievement Award, Oregon St. University, 1996 National Science Foundation Graduate Fellowship, Honorable Mention, 1994 Amer. Meteorological Soc. Graduate Fellowship, Honorable Mention, 1993 Phi Lambda Upsilon National Chemistry Honor Society, 1992 Chemistry Department Citation, University of California, Davis, 1991 Clorox Company Undergraduate Chemistry Award, 1991 Academic All-Conference, Intercollegiate Football, UC Davis, 1990-1991 Dean's Honor List, University of California, Davis, 1989-1990
Foreign Languages:	Russian (6 months work experience in Russia); reading knowledge of French

PUBLICATIONS

Papers stemming from research while at COAS:

Guay, C. K. H. (1999) Geochemical Tracers of Arctic River Waters, Ph.D.Thesis, College of Oceanic & Atmospheric Sciences, Oregon State University, defended July 30, 1999

Guay, C. K., Falkner, K. K., Muench, R. D. and Bayer, R. (2001), Wind-driven transport pathways for Eurasian Arctic river discharge, Journal of Geophysical Research, 106(C6), 11,469-11,480.

Guay, C. K., Klinkhammer, G. P., Falkner, K. K., Benner, R., Coble, P. G., Whitledge, T. E., Black. B., Bussell, F. J. and Wagner, T. A. (1999) High-resolution measurements of dissolved organic carbon in the Arctic Ocean by in situ fiber-optic spectrometry, Geophysical Research Letters, 26(8), 1007-1010.

Guay, C. K. and Falkner, K. K. (1998) A survey of dissolved barium in the estuaries of major Arctic rivers and adjacent seas, Continental Shelf Research, 18, 859-882.

Guay, C. K. and Falkner, K. K. (1997) Barium as a tracer of Arctic halocline and river waters, Deep-Sea Research II, 44(8), 1543-1569.

Guay, C. K. H. (1997) Barium as a Tracer of Arctic Halocline and River Waters, M.S. Thesis, College of Oceanic & Atmospheric Sciences, Oregon State University, 83 pp.

Abstracts stemming from research while at COAS:

Guay, C. K. (1999) Geochemical Tracers of Fluvial Discharge to the Arctic Ocean (invited speaker), Dissertations Symposium on Chemical Oceanography XV, 3-6 May 1999, Honolulu, HI.

Guay, C. K., Klinkhammer, G. P., Falkner, K. K., Benner, R., Coble, P. G., Whitledge, T. E., Black. B., Bussell, F. J. and Wagner, T. A. (1999) High-resolution measurements of dissolved organic carbon in the Arctic Ocean by in situ fiber-optic spectrometry, Arctic Forum, Arctic Research Consortium of the United States, 22-23 March 1999, Arlington, VA.

Guay, C. K., Falkner, K. K., Muench, R. D. and Bayer, R. (1998) Ocean transport pathways for Eurasian Arctic river discharge, Eos, Transactions, American Geophysical Union, 79(45), Abstract No. OS12C-39, 1998 American Geophysical Union Fall Meeting.

Klinkhammer, G. P., Falkner, K. K., Guay, C. K., Bussell, F. J., Benner, R., Black, B., Coble, P. G. (1998) High resolution DOC data from the Arctic collected during missions of the nuclear submarines USS Pogy and USS Archerfish as part of the SCICEX program, Eos, Transactions, American Geophysical Union, 79(45), Abstract No. OS12C-39, 1998 American Geophysical Union Fall Meeting.

Guay, C. K., Klinkhammer, G. P., Falkner, K. K., Benner, R., Black. B., Coble, P. G., and Bussell, F. J. (1998) High-resolution mapping of dissolved organic carbon in the Arctic Ocean from a nuclear submarine, SCICEX 2000 Workshop, 6-8 October 1998, Warrenton, VA.

Smethie, W. M. Jr., Boenisch, G., Ellis, K. M., Falkner, K. K., Guay, C. K., Klinkhammer, G. P., Schlosser, P. and Smith, J. N. (1998) Studies of ocean circulation from tracer chemistry: Highlights from the SCICEX program, SCICEX 2000 Workshop, 6-8 October 1998, Warrenton, VA.

Guay, C. K. (1997) Barium as a tracer of Arctic river and halocline waters (invited talk -- Award for Arctic Research Excellence recipient), Arctic Research Consortium of the United States, 9th Annual Meeting, 31 May-2 June 1997, Arlington, VA.

Guay, C. K., Bussell, F. J., Klinkhammer, G. P. and Falkner, K. K. (1998) In-situ organic matter fluorescence in the Arctic recorded during SCICEX 1996, Eos, Transactions, American Geophysical Union, 79(1), Abstract No. OS32F-06, 1998 Ocean Sciences Meeting.

Schlosser, P., Bayer, R., Ekwurzel, B., Falkner, K., Khatiwala, S. and Guay, C. (1998), New insights into the freshwater balance of the Arctic Ocean derived from tracers, Hydrological Cycles of the Arctic Conference, May 1998, Tallin, Estonia.

Guay, C. K. and Falkner, K. K. (1996) Dissolved barium as a tracer or Arctic water masses, Arctic Nuclear Waste Assessment Program Conference, 5-9 May 1996, Snowbird, UT.

Guay, C. K. and Falkner, K. K. (1996) Dissolved barium as a tracer of Arctic water masses, Eos, Transactions, American Geophysical Union, 77(46), Abstract No. OS11D-05, 1996 American Geophysical Union Fall Meeting.

Guay, C. K. and Falkner, K. K. (1995) Geochemical tracers of Arctic river waters, Arctic Nuclear Waste Assessment Program Conference, 1-5 May 1995, Woods Hole, MA.

Guay, C. K. and Falkner, K. K. (1994) Tracking Arctic river waters by geochemical means: Results of recent fieldwork in the Mackenzie River, NWT, Canada and Siberian Arctic river estuaries, Eos, Transactions, American Geophysical Union, 75(44), Abstract No. O21C-04, 1994 American Geophysical Union Fall Meeting.