Papers

M. O. Battle, J. P. Severinghaus, E. D. Sofen, D. Plotkin, A. J. Orsi, M. Aydin, S. A. Montzka, T. Sowers, and P. P. Tans. (2011) Controls on the movement and composition of firn air at the West Antarctic Ice Sheet Divide. Atmos. Chem. Phys. Discuss., 11, 18633-18675, doi: 10.5194/acpd-11-18633-2011.

E. D. Sofen, B. Alexander, and S. A. Kunasek. (2011) The impact of anthropogenic emissions on atmospheric sulfate production pathways, oxidants, and ice core Δ17O(SO42-). Atmos. Chem. Phys., 11, 3565-3578, doi:10.5194/acp-11-3565-2011.

S. A. Kunasek, B. Alexander, E. J. Steig, E. D. Sofen, T. L. Jackson, M. H. Thiemens, J. R. McConnell, D. J. Gleason, and H. M. Amos. (2010) Sulfate Sources and Oxidation Chemistry Over the Past ~230 Years from Sulfur and Oxygen Isotopes of Sulfate in a West Antarctic Ice Core. J. Geophys. Res., 115, D18313, doi: 10.1029/2010JD013846.

J. M. Mischler, T. A. Sowers, R. B. Alley, M. Battle, J. R. McConnell, L. Mitchell, T. Popp, E. Sofen, and M. K. Spencer. (2009) Carbon and hydrogen isotopic composition of methane over the last 1000 years. Global Biogeochemical Cycles. 23, GB4024, doi: 10.1029/2009GB003460.

Thesis

Eric D. Sofen “A Study of Gases in Arctic & Antarctic Firn” Honors Project for the Department of Physics and Astronomy, Bowdoin College, 2007. (PDF)

Talks

E. D. Sofen, B. Alexander, S. A. Kunasek, L. T. Murray, L. J. Mickley, J. O. Kaplan, G. A. Schmidt. Sensitivity of Oxygen Isotopes of Sulfate in Ice Cores to Past Atmospheric Oxidants. 5th International Symposium on Isotopomers, 22 June 2010. (PDF)

E. D. Sofen, S. A. Kunasek, B. Alexander, T. L. Jackson, M. H. Thiemens, E. J. Steig, and J. R. McConnell. Isotopic composition of sulfate at WAIS-Divide: Measurements and global chemical transport modeling. 2009 WAIS-Divide Science Meeting, 1 October 2009. (PDF)

E. D. Sofen and B. Alexander. The sensitivity of the oxygen isotopes of sulfate to changes in oxidant concentrations during the preindustrial-industrial transition. 4th GEOS-Chem Scientific and User’s Meeting, 8 April 2009. (PDF)

Posters

E. D. Sofen, B. Alexander, E. J. Steig, M. H. Thiemens, S. A. Kunasek, A. J. Schauer, M. G. Hastings, J. Bautista, T. L. Jackson, L. Vogel. Understanding the WAIS-Divide Ice Core Sulfate and Nitrate Δ17O. Initial Training Network in Mass Independent Fractionation, September 2010.

E. D. Sofen, B. Alexander, S. A. Kunasek, L. J. Mickley, L. T. Murray, J. O. Kaplan (2009), Sensitivity of Oxygen Isotopes of Sulfate in Ice Cores to Past Changes in Atmospheric Oxidant Concentrations. Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract B13D-0545. (PDF)

E. D. Sofen, B. Alexander. Changes in sulfate oxidation since preindustrial time. Graduate Climate Conference. Pack Forest, WA, 17-19 April 2009.

E. D. Sofen, B. Alexander, S. A. Kunasek, T. L. Jackson, and M. H. Thiemens. The sensitivity of the oxygen isotopes of ice core sulfate to changes in climate and chemistry: Implications for the quantitative interpretation of the oxidizing capacity of the paleo-atmosphere. EOS Trans. AGU, 89(53), Fall Meeting Suppl., 15–19 Dec. 2008, Abstract PP51C-1511. (ABSTRACT, POSTER)

Other

Other presentations (conference talks and posters) to which I've contributed, but was not the presenter.

L. T. Murray, L. J. Mickley, J. O. Kaplan, E. D. Sofen, E. M. Leibensperger, B. Alexander, D. B. A. Jones, D. J. Jacob, "Evolution of the oxidative capacity of the troposphere since the Last Glacial Maximum." Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract A53E-03. (ABSTRACT)

M. Aydin, E. S. Saltzman, M. B. Williams, E. D. Sofen, and M. O. Battle. Measurements of light alkanes (C2 – C4 ) in firn air at Summit, Greenland and West Antarctic Ice Sheet Divide, Antarctica: Is there evidence for a recent decline in polar tropospheric levels? In ESRL Global Monitoring Annual Conference: Oral Abstracts, 14–15 May 2008.

E. S. Saltzman, M. Aydin, M. B. Williams, E. D. Sofen, and M. O. Battle. Measurements of light alkanes (C2 – C4 ) in firn air at Summit, Greenland and West Antarctic Ice Sheet Divide, Antarctica: Is there evidence for a recent decline in polar tropospheric levels? Eos. Trans. AGU, 88(52), Fall Meeting Supplement, 10–14 Dec. 2007. Abstract A44B-05. (ABSTRACT)

M. O. Battle, J. P. Severinghaus, S. A. Montzka, E. D. Sofen, and P. P. Tans. Firn-air properties and influences at the West Antarctic Ice Sheet Divide. Eos. Trans. AGU, 88(52), Fall Meeting Supplement, 10–14 Dec. 2007. Abstract A53B-1167. (ABSTRACT)

R. Hart, M. O. Battle, E. D. Sofen, R. Perry, and J. Carpenter. In situ measurements of atmospheric O2 and CO2 in a central Massachusetts forest. Eos. Trans. AGU, 88(52), Fall Meeting Supplement, 10–14 Dec. 2007. Abstract B43D-1578. (ABSTRACT)