Publications

Kobashi, T., J. P. Severinghaus, J.-M. Barnola, 4±1.5°C abrupt warming 11,270 years ago identified from trapped air in Greenland ice, Earth and Planetary Science Letters 268, 397-407 (2008). Link to PDF

Petrenko, Vasilii V., Andrew M. Smith, Gordon Brailsford, Katja Riedel, Quan Hua, Dave Lowe, Jeffrey P. Severinghaus, Vladimir Levchenko, Tony Bromley, Rowena Moss, Jens Mühle and Edward J. Brook, A new method for analyzing 14C of methane in ancient air extracted from glacial ice, Radiocarbon 50, 53-73 (2008).

Headly, M. A., and J. P. Severinghaus, A Method to Measure Kr/N2 Ratios in Air Bubbles Trapped in Ice Cores, and its Application in Reconstructing Past Mean Ocean Temperature, Journal of Geophysical Research –Atmospheres 112, D19105, doi:10.1029/2006JD008317 (2007). Link to PDF

Grachev, A. M., E. J. Brook, J. P. Severinghaus, Abrupt Changes in Atmospheric Methane at the MIS 5b-5a Transition, Geophysical Research Letters 34, L20703, doi:10.1029/2007GL029799 (2007). Link to PDF

Kawamura, K., Parrenin, F., Lisiecki, L., Uemura, R., Vimeux, F., Severinghaus, J. P., Hutterli, M. A., Nakazawa, T., Aoki, S., Jouzel, J., Raymo, M. E., Matsumoto, K., Nakata, H., Motoyama, H., Fujita, S., Goto-Azuma, K., Fujii Y.,& Watanabe, O., Northern Hemisphere forcing of climatic cycles in Antarctica over the past 360,000 years, Nature 448, 912-916 (2007). Link to PDF Supplementary Information

Hamme, R.C., and J.P. Severinghaus, Trace gas disequilibria during deep-water formation, Deep-Sea Research Part I 54, 939-950 (2007). Link to PDF

Kobashi, T., Severinghaus, J.P., Brook, E.J., Barnola, J.-M., Grachev, A., Precise timing and characterization of abrupt climate change 8,200 years ago from air trapped in polar ice, Quaternary Science Reviews 26, 1212-1222 (2007). Link to PDF

Schaefer, H., M.J. Whiticar, E.J. Brook, V.V. Petrenko, D.F. Ferretti, J.P. Severinghaus, Ice Record of d13C for Atmospheric CH4 across the Younger Dryas - Preboreal Transition, Science 313, 1109-1112 (2006). Link to PDF

Lee, J.-Y., Marti, K., Severinghaus, J.P., Kawamura, K.K., Yoo, H.-S., Lee, J.B., Kim, J.S., A Redetermination of the isotopic abundances of atmospheric Ar, Geochim. Cosmochim. Acta 70, 4507-4512 (2006). Link to PDF

Buerki, P.R., B.C. Jackson, T. Schilling, T. Rufer, J.P. Severinghaus, Improved helium exchange gas cryostat and sample tube designs for automated gas sampling and cryopumping, Geochemistry, Geophysics, Geosystems 7, Q10010, doi:10.1029/2006GC001341 (2006). Link to PDF

Kawamura, K., J.P. Severinghaus, S. Ishidoya, S. Sugawara, G. Hashida, H. Motoyama, Y. Fujii, S. Aoki, and T. Nakazawa, Convective Mixing of Air in Firn at Four Polar Sites, Earth Planet Sci. Lett. 244, 672-682 (2006). Link to PDF

Severinghaus, J.P., and Battle, M., Fractionation of gases in polar ice during bubble close-off: new constraints from firn air Ne, Kr, and Xe observations, Earth Planet Sci. Lett. 244, 474-500 (2006). Link to PDF

Huber, C., U. Beyerle, M. Leuenberger, J. Schwander, R. Kipfer, R. Spahni, J.P. Severinghaus, and K. Weiler, Evidence for molecular size dependent gas fractionation in firn air derived from noble gases, oxygen, and nitrogen measurements, Earth Planet Sci. Lett. 243, 61-73 (2006). Link to PDF

Petrenko, V.V., Severinghaus, J.P., Brook, E.J., Reeh, N., Schaefer, H., Gas records from the west Greenland ice margin covering the last glacial Termination: A horizontal ice core, Quaternary Science Reviews 25, 865-875 (2006). Link to PDF

Brook, E.J., J.W.C. White, A.S.M Schilla, M.L. Bender, B. Barnett, J.P. Severinghaus, K. C. Taylor, R. B. Alley, E. J. Steig, Timing of millennial-scale climate change at Siple Dome, West Antarctica, during the last glacial period, Quaternary Science Reviews 24, 1333-1343 (2005). Link to PDF

Grachev, A., and Severinghaus, J.P., A revised +10±4 C magnitude of the abrupt change in Greenland temperature at the Younger Dryas termination using published GISP2 gas isotope data and air thermal diffusion constants, Quaternary Science Reviews 24, 513-519 (2005). Link to PDF

Severinghaus, J.P., Jouzel, J., Caillon, N., Stocker, T., Huber, C., Leuenberger, M., Alley, R.B., Chappellaz, J., Barnola, J.-M., and Brook, E.J., Comment on "Greenland-Antarctic phase relations and millennial time-scale climate fluctuations in the Greenland ice-cores" by C. Wunsch, Quaternary Science Reviews 23, 2053-2054 (2004). Link to PDF

Taylor, K.C., J.W.C. White, J.P. Severinghaus, E.J. Brook, P.A. Mayewski, R.B. Alley, E. J. Steig, M.K. Spencer, E. Meyerson, D.A. Meese, G.W. Lamorey, A. Grachev, A.J. Gow, B. A. Barnett, Abrupt climate change around 22 ka on the Siple Coast of Antarctica, Quaternary Science Reviews 23, 7-15 (2004). Link to PDF

Grachev, A.M. and Severinghaus, J.P., Determining the thermal diffusion factor for 40Ar/36Ar in air to aid paleoreconstruction of abrupt climate change, Journal of Physical Chemistry A 107, 4636-4642 (2003). Link to PDF

Caillon, N., Jouzel, J., Severinghaus, J.P., Chappellaz, J., Blunier, T., A novel method to study the phase relationship between Antarctic and Greenland climate, Geophys. Res. Lett. 30, 1899 (2003). Link to PDF

Caillon, N., Severinghaus, J.P., Jouzel, J., Barnola, J.-M., Kang, J., and Lipenkov, V.Y. Timing of atmospheric CO2 and Antarctic temperature changes across Termination-III, Science 299, 1728-1731 (2003). Link to PDF

Grachev, A.M. and Severinghaus, J.P., Laboratory determination of thermal diffusion constants for 29N2/28N2 in air at temperatures from —60 to 0oC for reconstruction of magnitudes of abrupt climate changes using the ice core fossil-air paleothermometer, Geochim. Cosmochim. Acta 67, 345-360 (2003). Link to PDF

Severinghaus, J.P., Grachev, A., Luz, B., and Caillon, N., A method for precise measurement of argon 40/36 and krypton/argon ratios in trapped air in polar ice with applications to past firn thickness and abrupt climate change in Greenland and at Siple Dome, Antarctica, Geochim. Cosmochim. Acta 67, 325-343 (2003). Link to PDF

Caillon, N., J. P. Severinghaus, J.-M. Barnola, J. Chappellaz, J. Jouzel, and F. Parrenin, Estimation of Temperature Change and of Gas Age - Ice Age Difference, 108 kyr BP, at Vostok, Antarctica, J. Geophys. Res. 106, 31893-31901 (2001).

Severinghaus, J. P., Grachev, A., Battle, M., Thermal fractionation of air in polar firn by seasonal temperature gradients, Geochemistry, Geophysics, Geosystems 2, paper number 2000GC000146 (electronic journal) (2001). Link to PDF

Severinghaus, J.P., Winter sampling of shallow firn air at the South Pole to understand processes affecting firn atmospheric histories and ice core gas records, NOAA/CMDL Cooperative Project Report, Boulder CO (2000). Link to PDF

Cuffey, K.M., Conway, H., Gades, A.M., Hallet, B., Lorrain, R., Severinghaus, J.P., Steig, E.J., Vaughn, B., White, J.W.C., Entrainment at cold glacier beds, Geology 28, 351-354 (2000).

Keeling, R. F., and Severinghaus, J., Atmospheric oxygen measurements and the carbon cycle, in The Carbon Cycle, T. M. L. Wigley and D. S. Schimel, Editors, Global Change Institute Volume 6, pp. 134-140, Cambridge University Press (2000).

Brook, E. J., Harder, S., Severinghaus, J. P., Steig, E. J., Sucher, C. M., On the Origin and Timing of Rapid Changes in Atmospheric Methane During the Last Glacial Period, Global Biogeochemical Cycles 14, 559-572 (2000).

Severinghaus, J. P., and Brook, E. J., Abrupt climate change at the end of the last glacial period inferred from trapped air in polar ice, Science 286, 930-934 (1999). Link to PDF

Alley, R. B., Lynch-Stieglitz, J., Severinghaus, J. P., Global Climate Change, Proc. Natl. Acad. Sci. USA 96, 9987-9988 (1999). Link to PDF

Brook, E. J., Severinghaus, J. P., Harder, S., Bender, M., Atmospheric methane and millennial scale climate change, in Mechanisms of Global Climate Change at Millennial Time Scales, P. U. Clark, R. S. Webb, and L. D. Keigwin, Editors, Geophysical Monograph series, vol. 112, pp. 165-176, American Geophysical Union (1999).

Butler, J.H., Battle, M., Bender, M.L., Montzka, S.A., Clarke, A.D., Saltzman, E.S., Sucher, C.M., Severinghaus, J.P., and Elkins, J.W., A record of atmospheric halocarbons during the twentieth century from polar firn air, Nature 399, 749-755 (1999).

Manning, A. C., Keeling, R. F., and Severinghaus, J. P., Precise Atmospheric Oxygen Measurements with a Paramagnetic Oxygen Analyser, Global Biogeochemical Cycles 13, 1107-1115 (1999).

Severinghaus, J.P., Sowers, T., Brook, E.J., Alley, R.B., and Bender, M.L., Timing of abrupt climate change at the end of the Younger Dryas interval from thermally fractionated gases in polar ice, Nature 391, 141-146 (1998). Link to PDF

Severinghaus, J.P., Keeling, R.F., Miller, B.R., Weiss, R.F., Deck, B., and Broecker, W.S., Feasibility of using sand dunes as archives of old air, J. Geophys. Res. 102, 16783-16792 (1997).

Taylor, K.C., Mayewski, P.A., Alley, R.B., Brook, E.J., Gow, A.J., Grootes, P.M., Meese, D.A., Saltzman, E.S., Severinghaus, J.P., Twickler, M.S., White, J.W.C., Whitlow, S., Zielinski, G.A., The Holocene-Younger Dryas transition recorded at Summit, Greenland, Science 278, 825-827 (1997).

Severinghaus, J.P., Broecker, W.S., Peng, T.-H., and Bonani, G., Transect along 24 N latitude of 14C in dissolved inorganic carbon in the subtropical North Atlantic Ocean, Radiocarbon 38, 407-414 (1996).

Severinghaus, J.P., Bender, M.L., Keeling, R.F., and Broecker, W.S. Fractionation of soil gases by diffusion of water vapor, gravitational settling, and thermal diffusion, Geochim. Cosmochim. Acta 60, 1005-1018 (1996).

Severinghaus, J.P., Broecker, W.S., Dempster, W.F., MacCallum, T., and Wahlen, M., Oxygen loss in Biosphere 2, EOS Trans. Amer. Geophys. Union 75, 33-37 (1994).

Atwater, T., Sclater, J., Sandwell, D., Severinghaus, J., and Marlow, M., Fracture Zone Traces across the North Pacific Cretaceous Quiet Zone and their Tectonic Implications, in Pringle, M.S., Sager, W.W., Sliter, W.V., and Stein, S., eds., The Mesozoic Pacific: Geology, Tectonics, and Volcanism, Geophysical Monograph 77, American Geophysical Union, pp. 137-154 (1993).

Broecker, W.S., and Severinghaus, J.P., Diminishing oxygen, Nature (News and Views) 358, 710-711 (1992).

Severinghaus, J., and Atwater, T., Cenozoic geometry and thermal state of the subducting slabs beneath western North America, in Wernicke, B.P., ed., Basin and Range extensional tectonics near the latitude of Las Vegas, Nevada: Boulder, Colorado, Geological Society of America Memoir 176, pp. 1-22 (1990).

Atwater, T.., and Severinghaus, J., Tectonic maps of the northeast Pacific, in Winterer, E.L., Hussong, D.M., and Decker, R.W., eds., The Eastern Pacific Ocean and Hawaii: Boulder, Colorado, Geological Society of America, The Geology of North America, vol. N, pp. 15-20 (1989).

Severinghaus, J.P., and Macdonald, K.C., High Inside Corners at Ridge-Transform Intersections, Marine Geophysical Researches 9, 353-367 (1988).