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Ed Brook

Ed Brook photo
Professor, Geology Program Director

Discipline: Geology and Geophysics
Secondary Discipline: Ocean Ecology and Biogeochemistry
Office: Wilkinson 130
Phone: 541-737-8197
Fax: 541-737-1200
Email: brooke@geo.oregonstate.edu
Vita or Résumé


Paleoclimatology, geochemistry

Research Interests

Ice core trace gas records, cosmogenic isotopes, extraterrestrial dust


B.S. Geology, Duke University, 1985
M.S. Geology, University of Montana, 1988
Ph.D. Chemical Oceanography, MIT/Woods Hole Joint Program, 1993


GEO 203 - Evolution of Planet Earth
GEO 409 - Contemporary Earth Science Issues
GEO 486/586 - Quaternary Paleoclimatology
GEO 699 - Topics in Biogeochemistry


WAIS Divide Ice Core
NEEM Ice Core

Research Group Website

OSU Ice Core and Quaternary Geochemistry Lab

Recent Publications

Higgins, J. A., A. V. Kurbatov, N. E. Spaulding, E. Brook, D. S. Introne, L. M. Chimiak, Y. Yan, P. A. Mayewski and M. L. Bender, 2015, Atmospheric composition 1 million years ago from blue ice in the Allan Hills, Antarctica, Proceedings of the National Academy of Sciences: 201420232.
Rhodes, R. H., E. J. Brook, J. C. Chiang, T. Blunier, O. J. Maselli, J. R. McConnell, D. Romanini and J. P. Severinghaus, 2015, Enhanced tropical methane production in response to iceberg discharge in the North Atlantic, Science 348(6238): 1016-1019.
WAIS Divide Community Members (OSU post doc Christo Buizert first author), 2015, Precise interpolar phasing of abrupt climate change during the last ice age, Nature 520(7549): 661-665.
Buizert, C., K. Cuffey, J. Severinghaus, D. Baggenstos, T. Fudge, E. Steig, B. Markle, M. Winstrup, R. Rhodes and E. Brook, 2015, The WAIS Divide deep ice core WD2014 chronology–Part 1: Methane synchronization (68–31 ka BP) and the gas age–ice age difference, Climate of the Past 11(2): 153-173.
Bauska, T. K., F. Joos, A. C. Mix, R. Roth, J. Ahn and E. J. Brook, 2015, Links between atmospheric carbon dioxide, the land carbon reservoir and climate over the past millennium, Nature Geoscience.

Marcott, S., Bauska, T., Buizert, C., Steig, E., Rosen, J., Cuffey, K., Fudge, T.J., Severinghaus, J., Ahn, J., Kalk, M., McConnell, J., Sowers, T., Taylor, K., White, J. and Brook, E., 2014, Centennial-scale changes in the global carbon cycle during the last deglaciation, Nature, 514, 616-619.

Bauska, T.K., E. J. Brook, A. C. Mix, and A. Ross, 2014, High precision dual-inlet IRMS measurements of the stable isotopes of CO2 and the N2O/CO2 ratio from polar ice core samples, Atmos. Meas. Tech. Discuss. 7, 6529-6564, 2014.

Schilt, A., E. J. Brook, T. K. Bauska, D. Baggenstos*, H. Fischer, F. Joos, V. V. Petrenko, H. Schaefer, J. Schmitt and J. P. Severinghaus, 2014, Isotopic constraints on marine and terrestrial N2O emissions during the last deglaciation, Nature 516(7530): 234-237.

Buizert, C., V. Gkinis, J.P. Severinghaus, F. He, B. S. Lecavalier, P. Kindler, M. Leuenberger, A. Carlson, B. Vinther, V. Masson-Delmotte, J.W.C. White, Z. Liu, B. Otto-Bliesner and E.J. Brook, 2014, Greenland temperature response to climate forcing during the last deglaciation, Science, 45, 1093-1208.

Buizert, C., D. Baggenstos, W. Jiang, R. Purtschert, V. V. Petrenko, Z.-T. Lu, P. Müller, T. Kuhl, J. Lee and J. P. Severinghaus, 2014, Radiometric 81Kr dating identifies 120,000-year-old ice at Taylor Glacier, Antarctica, Proceedings of the National Academy of Sciences 111(19): 6876-6881.
Carlson, A. E., K. Winsor, D. J. Ullman, E. J. Brook, D. H. Rood, Y. Axford, A. N. LeGrande, F. S. Anslow and G. Sinclair, 2014, Earliest Holocene south Greenland ice sheet retreat within its late Holocene extent, Geophysical Research Letters 41(15): 5514-5521.
Seierstad, I. K., P. M. Abbott, M. Bigler, T. Blunier, A. J. Bourne, E. Brook, S. L. Buchardt, C. Buizert, H. B. Clausen and E. Cook, 2014, Consistently dated records from the Greenland GRIP, GISP2 and NGRIP ice cores for the past 104 ka reveal regional millennial-scale δ18O gradients with possible Heinrich event imprint, Quaternary Science Reviews 106: 29-46.
Ahn, J. and E.J. Brook, 2014, Siple Dome ice reveals two modes of millennial CO2 change during the last ice age, Nature Communications, 5, 3723, doi:10.1038/ncomms4723.

Ahn, J., E.J. Brook, and C.  Buizert, 2014, Response of atmospheric CO2 to the abrupt cooling event 8200 years ago, Geophysical Research Letters. 41, 604–609.