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Publications

 
Papers submitted, in review, accepted, or in press  

Zatko, M.C., T.C. Grenfell, B. Alexander, S.J. Doherty, J.L. Thomas, and X. Yang, The influence of snow grain size and impurities on the vertical profiles of actinic flux and associated NOx emissions on the Antarctic and Greenland ice sheets, Atmos. Chem. Phys. Discuss. 12, 15743-15799, doi:10.5194/acpd-12-15743-2012 (2012).

Schauer, A.J., S.A. Kunasek, E.D. Sofen, J. Erbland, J. Savarino, B. Johnson, H. Amos, T.L. Jackson, M.H. Thiemens, B. Alexander, Oxygen isotope exchange with quartz during pyrolysis of silver sulfate and silver nitrate, accepted to Rapid Commun. Mass Spectrom. (2012).

Published peer-reviewed papers  

20. Alexander, B., D.J. Allman, H.M. Amos, T.D. Fairlie, J. Dachs, D.A. Hegg and R.S. Sletten, Isotopic constraints on sulfate aerosol formation pathways in the marine boundary layer of the subtropical northeast Atlantic Ocean, J. Geophys. Res., 117, D06304, doi:10.1029/2011JD016773 (2012).

19. Hezel, P.J, B. Alexander, C.M. Bitz, E.J. Steig, C.D. Holmes, X. Yang and J. Sciare, Modeled methanesulfonic acid (MSA) deposition in Antarctica and its relationship to sea ice, J. Geophys. Res. 116, D23214, doi:10.1029/2011JF016383 (2011). (.pdf)

18. Costa, A.J., Michalski, G., Schauer, A.J., Alexander, B., Steig, E.J. and Shepson, P.B., Analysis of atmospheric inputs of nitrate to a temperate forest ecosystem from Δ17O isotope ratio measurements, Geophys. Res. Lett, 38, L15805, doi:10.1029/2011GL047539 (2011). (.pdf)

17. Sofen, E.D., B. Alexander, and S.A. Kunasek, 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-11-3565-2100 (2011).

16. Jaeglé, L., Quinn, P. K., Bates, T., Alexander, B., and Lin, J.-T.: Global distribution of sea salt aerosols: new constraints from in situ and remote sensing observations, Atmos. Chem. Phys., 11, 3137-3157, doi:10.5194/acp-11-3137-2011 (2011).

15. Gray, B., Y. Wang, D. Gu, A. Bandy, L. Mauldin, A. Clarke, B. Alexander and D.D. Davis, Sources, transport and sinks of SO2 over the equatorial Pacific during the Pacific Atmospheric Sulfur Experiment, J. Atmos. Chem, 68 (1), 27-53, doi: 10.1007/s10874-010-9177-7 (2011). From the issue entitled "Special Issue: The Pacific Atmosphere Sulfur Experiment (PASE)"

14. Kunasek, S.A., B. Alexander, E.J. Steig, E.D. Sofen, T.L. Jackson, M.H. Thiemens, J.R. McConnel, D.J. Gleason, H.M. Amos, 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 (2010) (.pdf). Highlighted in Eos Vol. 91, No. 49, 7 December 2010 "Research Spotlight"

13. Thornton, J.A., J.P. Kercher, T.P. Riedel, N.L. Wagner, J. Cozic, J.S. Holloway, W.P. Dubé, G.M. Wolfe, P.K. Quinn, A.M. Middlebrook, B. Alexander, and S.S. Brown, A large atomic chlorine source inferred from mid-continental reactive nitrogen chemistry, Nature, 464, doi:10.1038/nature08905 (2010).

12. Fairlie, T.D., D.J. Jacob, J.E. Dibb, B. Alexander, M.A. Avery, A. van Donkelaar, and L. Zhang, Impact of mineral dust on nitrate, sulfate and ozone in transpacific Asian pollution plumes, Atmos. Chem. Phys., 10, 3999-4012 (2010).

11. Alexander, B., Hastings, M.G., Allman, D.J., Dachs, J., Thornton, J.A., and Kunasek, S.A., Quantifying atmospheric nitrate formation pathways based on a global model of the oxygen isotopic composition of atmospheric nitrate, Atmos. Chem. Phys., 9, 5043-5056 (2009).

10. Alexander, B., Park, R.J., Jacob, D.J., and Gong, S., Transition metal catalyzed oxidation of atmospheric sulfur: Global implications for the sulfur budget, J. Geophys. Res. 114, D02309 (2009). (.pdf)

9. Kunasek, S.A., Alexander, B., E.J. Steig, M.G. Hastings, D.J. Gleason and J.C. Jarvis, Measurements and modeling of Δ17O of nitrate in snowpits from Summit, Greenland,  J. Geophys. Res., 113, D24302 (2008). (.pdf)

8. Heald, C.L., Jacob, D.J., Park, R.J., Alexander, B. Fairlie, T.D., Chu, D.A., Yantosca, R.M., Transpacific transport of Asian anthropogenic aerosols and its impact on surface air quality in the United States, J. Geophys. Res., 111, D14310 (2006). (.pdf)

7. McCabe, J.R., Savarino, J., Alexander, B., Gong, S., and Thiemens, M.H., Isotopic constraint on non-photochemical sulfate production in the Arctic winter, Geophys. Res. Lett., 33, L05810 (2006). (.pdf)

6. Alexander, B., Savarino, J., Lee, C.C.W., Park, R.J., Jacob, D.J., Li, Q., Thiemens, M.H., Yantosca, R.M., Sulfate formation in sea-salt aerosols: Constraints from oxygen isotopes, J. Geophys. Res. 110, D1030 (2005). (.pdf)

5. Alexander, B., Savarino, J., Kreutz, K., and Thiemens, M.H., Impact of preindustrial biomass burning emissions on the oxidation pathways of tropospheric sulfur and nitrogen, J. Geophys. Res., 109, D08303 (2004). (.pdf)

4. Alexander, B., Farquhar, J., Kaufman, A.J., Savarino, J, Delmas, R.J., and Thiemens, M.H., East Antarctic ice core sulfur isotope measurements over a complete glacial-interglacial cycle,  J. Geophys. Res., 108(D24), 4786 (2003). (.pdf)

3. Alexander, B., Savarino, J., Thiemens, M.H., and Delmas, R., “Climate driven changes of the oxidation pathways of atmospheric sulfur,” Geophys. Res. Lett., 29(14), 30 (2002). (.pdf)

 

2. Alexander, B., Vollmer, M.K., Jackson, T., Weiss, R.F., Thiemens, M.H., “Stratospheric CO2 isotopic anomalies and SF6 and CFC tracer concentrations in the Arctic polar vortex,” Geopys. Res. Lett, 28(21), 4103 (2001). (.pdf) Correction (.pdf)

1. Savarino, J., Alexander, B. Darmohusodo, Vincent, Thiemens, M.H., “Sulfur and oxygen isotope analysis of sulfate at micromole levels using a pyrolysis technique in a continuous flow system”, Analytical Chemistry 73(18), 4457 (2001). (.pdf)