Profile for Stephan Kawa

Title: Research Physical Scientist
Affiliation: NASA GSFC
Contact: E-mail
Office Phone: 301-614-6004
Fax: 301-614-5903

Research Area Experience

Chemistry, transport, and microphysics of atmospheric trace species; development of numerical models for analysis of data and comparison of theory and observations.


Previous Positions


Professional Society Memberships


Special Experience

  1. Goddard's Laboratory for Atmospheres representative to NASA Carbon Science Task Force, 1999-present.
  2. Science Lead: Earth Science Mission Concept Study for Multi-spectral Atmospheric Composition, 2006.
  3. NASA Atmospheric Effects of A viation Project, Project Manager, 1996-1997, Project Scientist, 1997-1999.
  4. Principal Investigator: eight NASA funded proposals, 1991-present; co-investigator on eleven others.
  5. Participant in cooperative field research programs including DYCOMS, AASE, AASE-II, SPADE, ASHOE/MAESA, STRAT, SONEX, POLARIS, SOLVE, AVE, TC4. Member of leadership planning team for POLARIS and SOLVE.
  6. Co-author of UNEP/WMO Scientific Assessment of Ozone Depletion: 1998, 2006.
  7. Convener, AGU Special Sessions: Space Observations of Atmospheric CO2, 2007; Atmospheric Effects of Aviation, 1998; Stratospheric Chemistry and Dynamics, 1994.
  8. Involved in design and construction of instrumentation for eddy flux measurement of ozone, NO/NOy in the stratosphere, and remote sensing of column CO2 by both passive and active methods. Orbiting Carbon Observatory science team.
  9. Ph.D. student committee member at State University of New York, Stony Brook. Mentor for NASA Graduate Student Research Program, NASA/ASEE Summer Faculty Fellowship Program, Maryland Earth and Environmental Science Teacher Ambassador Program, USRA Graduate Student Summer Program, and CIRES undergraduate student research intern.


Hammerling, D., A. M. Michalak, and S. R. Kawa (2012). Mapping of CO2 at high spatiotemporal resolution using satellite observations: Global distributions from OCO-2. J. Geophys. Res., 117, D06306

Hammerling, D., A. M. Michalak, O Dell, C., and S. R. Kawa (2012). Global CO2 distributions over land from the Greenhouse Gases Observing Satellite (GOSAT) Geophys. Res. Lett., 39, L08804

Parazoo, N. C., A. S. Denning, S. R. Kawa, S. Pawson, and R. Lokupitiya (2012). CO2 flux estimation errors associated with moist atmospheric processes Atmos. Chem. Phys., 12, 6405–6416

Liang. F., P. I. Palmer, Y. Yang, R. M. Yantosca, S. R. Kawa, J.-D. Paris, H. Matsueda, and T. Machida (2011). Evaluating a 3-D Transport Model of Atmospheric CO2 Using Ground-based, Aircraft, and Space-borne Data Atmos. Chem. Phys., 11, 2789-2803

Parazoo, N. C., A. S. Denning, J. A. Berry, A. Wolf, D. Randall, S. R. Kawa, O. Paulois, and S. Doney (2011). “Moist Synoptic Transport of CO2 Along the Mid-latitude Storm Track Geophys. Res. Lett., 38(L09804).

Bian, H., M. Chin, Kawa S. R., Yu H., T. Diehl, and T.L. Kucsera (2010). Multi-scale carbon monoxide and aerosol correlations from MOPITT and MODIS satellite measurements and GOCART model: implication for their emissions and atmospheric evolutions J. Geophys. Res., 115(D07302).

Kawa S. R., J. Mao, J. B. Abshire, G. J. Collatz, X. Sun, and C. J. Weaver (2010). Simulation studies for a space-based CO2 lidar mission., Tellus-B, 62(5), 759-769

Liang, Q., R.S. Stolarski, S. R. Kawa, J. E. Nielsen, A.R. Douglass, J.M. Rodriguez, D. R. Blake, E. L. Atlas, and L. E. Ott (2010). Finding the missing stratospheric Bry: a global modeling study of CHBr3 and CH2Br2 Atmos. Chem. Phys., 10, 2269-2286

Oman, L.D., D. W. Waugh, S. R. Kawa, R. S. Stolarski, A. R. Douglass, and P. A. Newman (2010). Mechanisms and feedback causing changes in upper stratospheric ozone in the 21st century J. Geophys. Res., 115(D05303).

Toon O , D. O. Starr, E. J. Jensen, P. A. Newman, S. E. Platnick, M. R. Schoeberl, M. Wennberg, S. C. Wofsy, M. Kurylo, H. Maring, K. W. Jucks, M. S. Craig, M. F. Vasques, L. Pfister, K. Rosenlof, H.B. Selkirk, P. Colarco, S. R. Kawa, G. G. Mace, P. Minnis, and K.E. Pickering (2010). Planning, implementation, and first results of the Tropical Composition, Cloud and Climate Coupling Experiment (TC4) J. Geophys. Res..

Toon O. B., D. Starr, E. J. Jensen, P. A. Newman, S.E. Platnick, M. R. Schoeberl, P. O. Wennberg, S. C. Wolsy, M. J. Kurylo, H. Maring, K. W. Jucks, M. S. Craig, M. F. Vasques, L. Pfister, K. H. Rosenlof, H.B. Selkirk, P. Colarco, S. R. Kawa, G. Mace, P. Minnis, and K.E. Pickering (2010). Planning, implementation, and first results of the Tropical Composition Cloud and Climate Coupling Experiment (TC4) J. Geophys. Res..

Toon O. B. , D. Starr, E. Jensen, P. Newman, S.E. Platnick, M. Schoeberl, P. Wennberg, S. Wofsy, M. Kurylo, H. Maring, K. Jucks, M. Craig, M. Vasquez, L. Pfister, K. Rosenlof, H. Selkirk, P. Colarco, R. Kawa, G. G. Mace, P. Minnis, and K. Pickering (2010). Planning and implementation of the Tropical Composition, Cloud and Climate Coupling Experiment (TC4) J. Geophys. Res, 115, D00J04.

Kawa S. R., R. S. Stolarski, P. A. Newman, A. R. Douglass, M. Rex, D. J. Hofmann, M. L. Santee, and K. Frieler (2009). Sensitivity of polar stratospheric ozone loss to uncertainties in chemical reaction kinetics Atmos. Chem. Phys., 9(22), 8651-8660

Newman P.A., L.D. Oman, A.R. Douglass, E.L. Fleming, S.M. Frith, M.M. Hurwitz, S.R. Kawa, C.H. Jackman, N.A. Krotkov, E.R. Nash, J.E. Nielsen, S. Pawson, R.S. Stolarski, and G.J. M. Velders (2009). What would have happened to the ozone layer if chlorofluorocarbons (CFCs) had not been regulated? Atmos. Chem. Phys., 9(6), 2113-2128

Waugh D.W., L. Oman, S.R. Kawa, R.S. Stolarski, S. Pawson, A.R. Douglass, P.A. Newman, and J.E. Nielsen (2009). Impacts of climate change on stratospheric ozone recovery Geophys. Res. Lett., 36(L03805).

Alkhaled A.A., A.M. Michalak, and S.R. Kawa (2008). Using CO2 spatial variability to quantify representation errors of satellite CO2 retrievals Geophys. Res. Lett., 35(L16813 ).

Arola, A., Alkhaled, A.A., A.M. Michalak, T.F. Eck, J. Huttunen, S.R. Kawa, S.C. Olsen, K.E.J. Lehtinen, J-W. Wang, A.V. Lindfors, G. Myhre, A. Smirnov, S. N. Tripathi, and H. Yu (2008). A global evaluation of the regional spatial variability of column integrated CO2 distributions J. Geophys. Res., 113, D20303

Erickson III D.J., R.T. Mills, J. Gregg, T.J. Blasing, F.M. Hoffman, R.J. Andres, M. Devries, Z. Zhu, and S.R. Kawa (2008). An estimate of monthly global emissions of anthropogenic CO2: Impact on the seasonal cycle of atmospheric CO2 J. Geophys. Res., 113(G01023).

Law R.M., W. Peters, C. Rodenbeck, C. Aulagnier, I. Baker, D.J. Bergmann, P. Bousquet, J. Brandt, L. Bruhwiler, P.J. Cameron-Smith, J.H. Christensen, F. Delage, A.S. Denning, S. Fan, C. Geels, S. Houweling, R. Imasu, U. Karstens, and S.R. Kawa (2008). TransCom model simulations of hourly atmospheric CO2: Experimental overview and diurnal cycle results for 2002 Global Biochem. Cycles, 22(GB3009).

Lokupiliya R.S., D. Zupanski, A.S. Denning, K.R. Gurney, S.R. Kawa, and M. Zupanski (2008). Estimation of global CO2 fluxes at regional scale using the maximum likelihood ensemble filter J. Geophys. Res., 113(D20110).

Parazoo N.C., A.S. Denning, S.R. Kawa, K.D. Corbin, R.S. Lokupitiya, and I.T. Baker (2008). Mechanisms for synoptic variations of atmospheric CO2 in North America, South America, and Europe Atmos. Chem Phys., 8(3), 12197-12225

Pawson S., I. Stajner, S.R. Kawa, H. Hayasha, W.-W. Tan, J.E. Nielsen, Z. Zhu, L.-P. Chang, and N.J. Livesey (2007). Stratospheric transport using 6-h-averaged winds from a data assimilation system J. Geophys. Res., 112(D23103), 1-12

Bian H., S.R. Kawa, M. Chin, S. Pawson, Z. Zhu, P. Rasch, and S. Wu (2006). A test of sensitivity to convective transport in a global atmospheric CO2 simulation Tellus B, 58(5), 463-475

Newman P.A., S.R. Kawa, E.R. Nash, S.A. Montzka, and S.M. Schauffler (2006). When will the Antarctic ozone hole recover? Geophys. Res. Lett., 33(12), L12814

Schoeberl M.R., S.R. Kawa, A.R. Douglass, and T.J. McGee (2006). Chemical observations of a polar vortex intrusion J. Geophys. Res., 111, D20306

Gurney K.R., Y.-H. Chen, T. Maki, S.R. Kawa, A.E. Andrews, and Z. Zhu (2005). Sensitivity of atmospheric CO 2 inversions to seasonal and interannual variations in fossil fuel emissions J. Geophys. Res., 110(D10308).

Kawa S.R., P.A. Newman, R.S. Stolarski, and R.M. Bevilacqua (2005). Fall vortex ozone as a predictor of springtime total ozone at high northern latitudes Atmos. Chem. Phys., 5, 1655-1663