A method for resolving changes in atmospheric He ∕ N₂ as an indicator of fossil fuel extraction and stratospheric circulation

by B. Birner, W. Paplawsky, J. Severinghaus, R. F. Keeling
Published 2021-03-01

Gravitational separation of Ar∕N₂ and age of air in the lowermost stratosphere in airborne observations and a chemical transport model

by B. Birner, M. P. Chipperfield, M. P. Chipperfield, E. J. Morgan, B. B. Stephens, M. Linz, M. Linz, W. Feng, W. Feng, C. Wilson, C. Wilson, J. D. Bent, J. D. Bent, S. C. Wofsy, S. C. Wofsy, J. Severinghaus, R. F. Keeling
Published 2020-10-01

Where to find 1.5 million yr old ice for the IPICS "Oldest-Ice" ice core

by H. Fischer, J. Severinghaus, E. Brook, E. Wolff, M. Albert, O. Alemany, R. Arthern, C. Bentley, D. Blankenship, J. Chappellaz, T. Creyts, D. Dahl-Jensen, M. Dinn, M. Frezzotti, S. Fujita, H. Gallee, R. Hindmarsh, D. Hudspeth, G. Jugie, K. Kawamura, V. Lipenkov, H. Miller, R. Mulvaney, F. Parrenin, F. Pattyn, C. Ritz, J. Schwander, D. Steinhage, T. van Ommen, F. Wilhelms
Published 2013-11-01

The SP19 chronology for the South Pole Ice Core – Part 1: volcanic matching and annual layer counting

by D. A. Winski, D. A. Winski, T. J. Fudge, D. G. Ferris, E. C. Osterberg, J. M. Fegyveresi, J. Cole-Dai, Z. Thundercloud, T. S. Cox, K. J. Kreutz, K. J. Kreutz, N. Ortman, C. Buizert, J. Epifanio, E. J. Brook, R. Beaudette, J. Severinghaus, T. Sowers, E. J. Steig, E. C. Kahle, T. R. Jones, V. Morris, M. Aydin, M. R. Nicewonger, K. A. Casey, K. A. Casey, R. B. Alley, E. D. Waddington, N. A. Iverson, N. W. Dunbar, R. C. Bay, J. M. Souney, M. Sigl, J. R. McConnell
Published 2019-10-01