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Ice and Firn Air Observations

Aydin et al. (2014) corrected for an important process in ice core and firn air samples: hydrolysis of COS over time.  Building on this, Aydin et al. (2016) present the most complete and accurate COS history to date: 54,000 years.


Aydin, M., Campbell, J.E., Fudge, T.J., Cuffey, K.M., Nicewonger, M.R., Verhulst, K.R., and Saltzman, E.S.:  Changes in atmospheric carbonyl sulfide over the last 54,000 years inferred from measurements in Antarctic ice cores, J. Geophys. Res. Atmospheres, , 121, 1943–1954, doi:10.1002/ 2015JD024235.


Aydin, M., Fudge, T. J., Verhulst, K. R., Nicewonger, M. R., Waddington, E. D. and Saltzman, E. S.: Carbonyl sulfide hydrolysis in Antarctic ice cores and an atmospheric history for the last 8000 years, J. Geophys. Res. Atmospheres, 119(13), 2014JD021618, doi:10.1002/2014JD021618, 2014.

Aydin, M., Williams, M. B., Tatum, C. and Saltzman, E. S.: Carbonyl sulfide in air extracted from a South Pole ice core: a 2000 year record, Atmos Chem Phys, 8(24), 7533–7542, doi:10.5194/acp-8-7533-2008, 2008.

Montzka, S. A., Aydin, M., Battle, M., Butler, J. H., Saltzman, E. S., Hall, B. D., Clarke, A. D., Mondeel, D. and Elkins, J. W.: A 350-year atmospheric history for carbonyl sulfide inferred from Antarctic firn air and air trapped in ice, J. Geophys. Res. Atmospheres, 109(D22), doi:10.1029/2004JD004686, 2004.

Aydin, M., De Bruyn, W. J. and Saltzman, E. S.: Preindustrial atmospheric carbonyl sulfide (OCS) from an Antarctic ice core, Geophys. Res. Lett., 29(9), 73–1–73–4, doi:10.1029/2002GL014796, 2002.

Sturges, W. T., Penkett, S. A., Barnola, J.-M., Chappellaz, J., Atlas, E. and Stroud, V.: A long-term record of carbonyl sulfide (COS) in two hemispheres from firn air measurements, Geophys. Res. Lett., 28(21), 4095–4098, doi:10.1029/2001GL013958, 2001.
This material is based upon work supported by the National Science Foundation under Grant Number 1433257.  
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. 
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