North American carbon budget and implications for the global carbon cycle

Education

1991
Ph.D. New York University, Atmospheric Sciences, Department of Applied Science

1988
M.S. New York University, Atmospheric Sciences, Department of Applied Science

1978
B.A. Rutgers College, Philosophy

Research Interests

Long-term evolution of climate and geochemical cycles; ocean carbon sequestration; numerical simulation of climate, carbon, and biogeochemistry; marine biogeochemical cycles; approaches to supplying energy services with diminished environmental footprint

Employment History

1995- present
Physicist/Environmental Scientist (LLNL) Research ocean carbon cycle, atmospheric CO2, ocean/sea-ice physics, climate, and energy systems

1993-1995
Post-Doctoral Researcher (LLNL) Research the ocean carbon cycle, atmospheric CO2 and climate

1991-1993
NSF Earth Sciences Postdoctoral Fellow (Earth Systems Science Center & Dept. of Geosciences, The Pennsylvania State University) Role of the carbonate-silicate cycle in long-term atmospheric CO2 content and climate

Publications

Govindasamy, B., S. Thompson, A. Mirin, M. Wickett, K. Caldeira and C. Delire Increase of carbon cycle feedback with climate sensitivity: results from a coupled climate and carbon cycle model Tellus B 57 (2) 153 -- 163 DOI: 10.1111/j.1600-0889.2005.00135.x, 2005.

Caldeira, K., G. Morgan, D. Baldocchi, P. Brewer, C.-T. Arthur Chen, G.-J. Nabuurs, N. Nakicenovic, P. Robertson, A portfolio of carbon management options, in Towards CO2 Stabilization: Issues, Strategies, and Consequences, A SCOPE report (Scientific Committee on Problems in the Environment) C. Field and M. Raupach, editors (pp. 103-129, Island Press, Washington DC) 2004.

Thompson SL, Govindasamy B, Mirin A, K. Caldeira, C. Delire, J. Milovich, M. Wickett, and D. Erickson. Quantifying the effects of CO2-fertilized vegetation on future global climate and carbon dynamics. Geophysical Research Letters 31 (23): Art. No. L23211 DEC 11 2004.

Hoffert, M.I., and K. Caldeira, Climate change and energy — An overview, Encyclopedia of Energy, C. Cleveland, ed., Academic Press, San Diego, CA, 359-380, 2004.

Caldeira, K., and M.E. Wickett, Anthropogenic carbon and ocean pH, Nature 425, 365-365, 2003.

Caldeira, K., A.K. Jain, and M.I. Hoffert, Climate sensitivity uncertainty and the need for energy without CO2 emission, Science 299, 2052-2054, 2003.

Herzog, H., K. Caldeira, and J. Reilly. An issue of permanence: Assessing the effectiveness of ocean carbon sequestration, Climatic Change 59, 293–310, 2003.

Ridgwell, A,J,, M.J. Kennedy, and K. Caldeira, Carbonate deposition, climate stability, and Neoproterozoic ice ages, Science 302, 859–862, 2003.

Caldeira, K., M.E. Wickett, and P.B. Duffy. Depth, radiocarbon and the effectiveness of direct CO2 injection as an ocean carbon sequestration strategy. Geophysical Research Letters, 10.1029/2001GL014234, 2002.

Govindasamy, B., S. Thompson, P. Duffy, K. Caldeira and C. Delire, Impact of geoengineering schemes on the terrestrial biosphere. Geophysical Research Letters, 10.1029/2002GL015911, 2002.

Hoffert, M.I., K. Caldeira, G. Benford, D.R. Criswell, C. Green, H. Herzog, J.W. Katzenberger, H.S. Kheshgi, K.S. Lackner, J.S. Lewis, W. Manheimer, J.C. Mankins, G. Marland, M.E. Mauel, L.J. Perkins, M.E. Schlesinger, T. Volk, and T.M.L. Wigley, Advanced technology paths to global climate stability: Energy for a greenhouse planet, Science 295, 981–987, 2002.

Lutz, M., R.L. Dunbar, and K. Caldeira, Regional variability in the vertical flux of particulate organic carbon in the ocean interior, Global Biogeogeochemical Cycles 16, U91-U110, 2002.

Govindasamy, B., P.B. Duffy, and K. Caldeira, Land use changes and Northern Hemisphere cooling, Geophysical Research Letters 28, 291-294, 2001.

Herzog, H., K. Caldeira and E. Adams, Carbon Sequestration via Direct Injection. In J H Steele, S A Thorpe and K K Turekian (eds) Encyclopedia of Ocean Sciences Vol. 1, pp 408 - 414. London, UK: Academic Press, 2001.

Caldeira, K., and P.B. Duffy, The role of the Southern Ocean in uptake and storage of anthropogenic carbon dioxide, Science 287, 620–622, 2000.

Caldeira, K., and G.H. Rau, Accelerating carbonate dissolution to sequester carbon dioxide in the ocean: Geochemical implications, Geophysical Research Letters, 27, 225–228, 2000.

Govindasamy, B., and K. Caldeira, Geoengineering Earth’s radiation balance to mitigate CO2-induced climate change, Geophysical Research Letters 27, 2141-2144, 2000.

Guilderson, T.P., K. Caldeira, and P.B. Duffy, Radiocarbon as a diagnostic tracer in ocean and carbon cycle modeling, Global Biogeochemical Cycles, 14, 887–902, 2000.

Caldeira, K., and Berner, R., Seawater pH and atmospheric carbon dioxide (Technical comment), Science 286, 2043a–2043a, 1999.

Rau, G.H., and Caldeira, K. Enhanced carbonate dissolution: A means of sequestering waste CO2 as ocean bicarbonate. Energy Conversion and Management 40, 1803–1813, 1999.

Kerrick, D.M. and K. Caldeira, Metamorphic CO2 degassing from orogenic belts, Chemical Geology 145 213–232, 1998.

Hoffert M.I., K. Caldeira, A.K. Jain, E.F. Haites, L.D.D. Harvey, S. D. Potter, M.E. Schlesinger, S. H. Schneider, R.G. Watts, T. M. L Wigley, and D. J. Wuebbles. Energy implications of future stabilization of atmospheric CO2 content. Nature 395, 881–884, 1998.