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John E. Dore

Associate Research Professor; Ph.D.  1995, University of Hawaii at Manoa; B.S.1987, University of California Berkeley.  Aquatic biogeochemistry and microbial ecology; nutrient cycling and ecological stoichiometry; stable isotope biogeochemistry; greenhouse gases; effects of climate variability on aquatic ecosystems; applied phycology.

Recent Publications

• Dore, J. E., R. M. Letelier, M. J. Church, R. Lukas, and D. M. Karl.  2008.  Summer phytoplankton blooms in the oligotrophic North Pacific Subtropical Gyre: Historical perspective and recent observations.  Progress in Oceanography. 76: 2-38.
• Priscu, J. C., B. C. Christner, J. E. Dore, M. B. Westley, B. N. Popp, K. L. Casciotti, and W. B. Lyons.  2008.  Supersaturated N2O in a perennially ice-covered Antarctic lake: Molecular and stable isotopic evidence for a biogeochemical relict.  Limnology and Oceanography. 53 (In press).
• Priscu, J. C., E. A. Adams, H. W. Paerl, C. H. Fritsen, J. E. Dore, J. T. Lisle, C. F. Wolf, and J. Mikucki.  2005.  Perennial Antarctic lake ice: a refuge for cyanobacteria in an extreme environment.  p. 22-49, In  J. D. Castello and S. O. Rogers (eds.) Life in Ancient Ice, Princeton University Press, Princeton, New Jersey.
• Dore, J. E., R. Lukas, D. W. Sadler, and D. M. Karl.  2003.  Climate-driven changes to the atmospheric CO2 sink in the subtropical North Pacific Ocean.  Nature. 424: 754-757.
• Dore, J. E., J. R. Brum, L. M. Tupas, and D. M. Karl.  2002.  Seasonal and interannual variability in sources of nitrogen supporting export in the oligotrophic subtropical North Pacific Ocean. Limnology and Oceanography. 47: 1595-1607.
• Popp, B. N., M. B. Westley, S. Toyoda, T. Miwa, J. E. Dore, N. Yoshida, T. M. Rust, F. J. Sansone, M. E. Russ, N. E. Ostrom, and P. Ostrom.  2002.  Nitrogen and oxygen isotopomeric constraints on the origins and sea-to-air flux of N2O in the oligotrophic subtropical North Pacific gyre.  Global Biogeochemical Cycles. 16: 1064-1073.

Recent Grants:

• Collaborative research: The Hawaii Ocean Time-series program: biogeochemistry and ecology component.  National Science Foundation, Biological and Chemical Oceanography Programs.  (D. M. Karl, P.I.; R.R. Bidigare and J. E. Dore, co-P.I.s). 09/15/2003 – 07/31/2009. $5,332,083.
• Optimization of intrinsic factors affecting market value of Spirulina.  United States Department of Agriculture, Hawaii Aquaculture Program.  (J. E. Dore, P.I.).  10/01/03 – 07/31/05.  $49,329.
• Acquisition of a stable isotope mass spectrometer for earth science research.  National Science Foundation, Major Research Instrumentation Program.  (B. N. Popp, P.I.; C. R. Benitez-Nelson, F. J. Sansone, J. E. Dore and R.R. Bidigare, co-P.I.s).  09/15/2002 – 08/31/2004.  $300,000.
• Biogeochemical controls on inorganic carbon system variability in the subtropical North Pacific Ocean.  National Science Foundation, Chemical Oceanography Program.  (J. E. Dore, P.I.).  09/01/2001 – 07/31/2005.  $184,900.
• The Hawaii Ocean Time-series program: JGOFS component (renewal).  National Science Foundation, Biological and Chemical Oceanography Programs.  (D. M. Karl, P.I.; D. V. Hebel and J. E. Dore, co-P.I.s).  08/01/2001 – 07/31/2003.  $1,500,000.

Other Links:

• Priscu Research Group

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