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Dr Thomas Keith Bauska

Dr Thomas Keith Bauska

Research Associate

Climate Change and Earth-Ocean-Atmosphere Systems

Downing Site - Room No. M5
Downing Street

Office Phone: +44 (0) 1223 364917


Postdoctoral Scholar, Oregon State University, 2014-2015

Ph.D., Geology, Oregon State University, 2013

Dissertation: Carbon Cycle Variability during the Last Millennium and Last Deglaciation.

Advisor: Ed Brook

B.S., Geophysical Sciences, The University of Chicago, 2007 

Thesis Topic: Trace Metal Paleoceanography: Sub-millennial hydrographic variations on the New Jersey margin during the LGM 

Advisor: Pamela Martin

Google Scholar Page


Stable isotopes ; palaeoclimate reconstructions

Key Publications

Bauska, T.K., Baggenstos, D., Brook, E.J., Mix, A.C., Marcott, S.A., Petrenko, V.V., Schaefer, H., Severinghaus, J.P., and Lee, J.E. (2016). Carbon isotopes characterize rapid changes in atmospheric carbon dioxide during the last deglaciation. Proc. Natl. Acad. Sci. doi: 10.1073/pnas.1513868113 

Petrenko, V.V., Severinghaus, J.P., Schaefer, H., Smith, A.M., Kuhl, T., Baggenstos, D., Hua, Q., Brook, E.J., Rose, P., Kulin, R., Bauska, T.K., et al. (2016). Measurements of 14C in ancient ice from Taylor Glacier, Antarctica constrain in situ cosmogenic 14CH4 and 14CO production rates. Geochim. Cosmochim. Acta.

WAIS Divide Project Members (lead author: Christo Buizert) (2015). Precise interpolar phasing of abrupt climate change during the last ice age. Nature 520, 661–665.

Bauska, T.K., Joos, F., Mix, A.C., Roth, R., Ahn, J., and Brook, E.J. (2015). Links between atmospheric carbon dioxide, the land carbon reservoir and climate over the past millennium. Nat. Geosci 8, 383–387.

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

Marcott, S.A., Bauska, T.K., Buizert, C., Steig, E.J., Rosen, J.L., Cuffey, K.M., Fudge, T., Severinghaus, J.P., Ahn, J., Kalk, M.L., et al. (2014). Centennial-scale changes in the global carbon cycle during the last deglaciation. Nature 514, 616–619

Bauska, T.K., Brook, E., Mix, A., and Ross, A. (2014). High-precision dual-inlet IRMS measurements of the stable isotopes of CO2 and the N2O / CO2 ratio from polar ice core samples. Atmospheric Meas. Tech. 7, 3825–3837.