Skip Navigation

Alyn Lambert

Photo of Alyn Lambert


4800 Oak Grove Drive
M/S 183-701

Pasadena, CA 91109





Member of:

Stratosphere And Upper Troposphere


  • B.Sc. Physics with Astrophysics (Honors, First Class)University of Leeds, UK (1982)
  • Ph.D. Physics, University of Leeds, UK (1986)

Professional Experience

  • Jet Propulsion Laboratory, Microwave Atmospheric Science Group,Research Scientist (2005-Present)
  • National Center for Atmospheric Research, Atmospheric Chemistry Division, HIRDLS Science Team Co-Investigator. Project Scientist I/II (1998-2005)
  • University of Oxford, UK. Atmospheric, Oceanic and Planetary Physics. UARS/ISAMS and Galileo/NIMS Science Teams. Senior Research Associate (1991-1998)
  • Commissariat a l'Energie Atomique, CEN-Saclay, France. Service d'Astrophysique. Granat/SIGMA Science Team. Research Collaborator (1988-1990).
  • University of Leeds, UK - Department of Physics, Havarah Park Research Group. Research Fellow (1986-1988)

Research Interests

  • Theory and practice of remote sounding of the Earth's atmosphere from satellite platforms.
  • Development of operational algorithms for forward modeling of atmospheric radiances and inverse modeling for retrieval of geophysical data products.
  • Innovative analyses combining Aura MLS measurements of gas-phase HNO3 with CALIPSO CALIOP lidar measurements to study early winter formation and development of PSCs and denitrification through sedimentation of PSC particles.

Selected Awards

  • NASA Exceptional Public Acievement Medal (2017), For comprehensive and creative joint analyses of data from the Aura and CALIPSO missions, revealing new details of polar stratospheric cloud formation.
  • Seven NASA Group Achievement Awards: Aura Team (2005), Aura Project (2005), HIRDLS (2006), MLS (2006), TC4 (2008), ARCTAS (2009), MLS (2014)
  • NASA Group Achievement Awards for EOS Aura (2005)

Selected Publications

Publications since 2020:

  1. Santee, M. L., Lambert, A. Manney, G. L., Livesey, N. J., Froidevaux, L., Neu, J. L., Schwartz, M. J.,
    Millan, L. F., Werner, F., Read, W. G., Park, M., Fuller, R. A., Ward, B. M., Prolonged and Pervasive Perturbations in the Composition of the Southern Hemisphere Midlatitude Lower Stratosphere From the Australian New Year’s Fires, Geophys. Res. Lett., 49, e2021GL096270, 10.1029/2021GL096270, 2022.
  2. Livesey, N. J., Read, W. G., Froidevaux, L., Lambert, A., Santee, M. L., Schwartz, M. J., Millan, L. F.,
    Jarnot, R, F., Wagner, P. A., Hurst, D. F., Walker, K. A., Sheese, P. E., Nedoluha, G. E., Investigation and
    amelioration of long-term instrumental drifts in water vapor and nitrous oxide measurements from the Aura
    Microwave Limb Sounder (MLS) and their implications for studies of variability and trends, Atmos. Chem. Phys., 21, 15409–15430, doi:10.5194/acp-21-15409-2021, 2021.
  3. Grieco, F., Perot, K., Murtagh, D., Eriksson, P., Rydberg, B., Kiefer, M., Garcia-Comas, M., Lambert, A.,
    Walker, K. A., Improvement of Odin/SMR water vapour and temperature measurements and validation of the obtained data sets, Atmos. Meas. Tech., 14, 5823–5857, doi:10.5194/amt-14-5823-2021, 2021.
  4. Tritscher, I, Pitts, M. C., Poole, L. R., Alexander, S. P., Cairo, F., Chipperfield, M. P., Grooss, J-U.,
    Hopfner, M., Lambert, A., Luo, B., Molleker, S., Orr, A., Salawitch, R., Snels, M., Spang, R., Woiwode, W., Peter, T., Polar Stratospheric Clouds: Satellite Observations, Processes, and Role in Ozone Depletion, Reviews of Geophysics, 59, e2020RG000702, doi:10.1029/2020RG000702, 2021.
  5. Park, M., Randel, W. J., Damadeo, R. P., Flittner, D. E., Davis, S. M., Rosenlof, K. H., Livesey, N.,
    Lambert, A., Read, W., Near-Global Variability of Stratospheric Water Vapor Observed by SAGE III/ISS, J. Geophys. Res., 126, e2020JD034274, doi:10.1029/2020JD034274, 2021.
  6. Schwartz, M. J., Santee, M. L., Pumphrey, H. C., Manney, G. L., Lambert, A., Livesey, N. J., Millan, L.,
    Neu, J. L., Read, W. G., and Werner, F., Australian new year’s pyroCb impact on stratospheric composition, Geophys. Res. Lett., 47, e2020GL090831, doi:10.1029/2020GL090831, 2020.
  7. Manney, G. L., Livesey, N. J., Santee, M. L., Froidevaux, L., Lambert, A., Lawrence, Z. D., Millan, L.
    F., Neu, J. L., Read, W. G., Schwartz, M. J., and Fuller, R. A., Record-low Arctic stratospheric ozone in 2020:
    MLS observations of chemical processes and comparisons with previous extreme winters, Geophys. Res. Lett., 47, e2020GL089063, doi:10.1029/2020GL089063, 2020.

Selected Publications prior to 2020

  1. A. Lambert and M. L. Santee. Accuracy and precision of polar lower stratospheric temperatures from reanalyses evaluated from A-Train CALIOP and MLS, COSMIC GPS RO, and the equilibrium thermodynamics of supercooled ternary solutions and ice clouds. Atmospheric Chemistry and Physics, 18(3):1945-1975, 2018. (doi:10.5194/acp-18-1945-2018).
  2. A. Lambert, M. L. Santee, and N. J. Livesey. Interannual variations of early winter Antarctic polar stratospheric cloud formation and nitric acid observed by CALIOP and MLS. Atmospheric Chemistry and Physics, 16(23):15219-15246, 2016. (doi:10.5194/acp-16-15219-2016).
  3. A. Lambert, M. L. Santee, D. L. Wu, and J. H. Chae. A-train CALIOP and MLS observations of early winter Antarctic polar stratospheric clouds and nitric acid in 2008. Atmospheric Chemistry and Physics, 12(6):2899-2931, 2012. (doi:10.5194/acp-12-2899-2012).
  4. A. Lambert, W. G. Read, N. J. Livesey, M. L. Santee, G. L. Manney, L. Froidevaux, D. L. Wu, M. J. Schwartz, H. C. Pumphrey, C. Jimenez, G., E. Nedoluha, R. E. Cofield, D. T. Cuddy, W. H. Daffer, B. J. Drouin, R., A. Fuller, R. F. Jarnot, B. W. Knosp, H. M. Pickett, V. S. Perun, W. V. Snyder, P. C. Stek, R. P. Thurstans, P. A. Wagner, J. W. Waters, K. W. Jucks, G. C. Toon, R. A. Stachnik, P. F. Bernath, C. D. Boone, K. A. Walker, J. Urban, D. Murtagh, J. W. Elkins, and E. Atlas. Validation of the Aura Microwave Limb Sounder middle atmosphere water vapor and nitrous oxide measurements. Journal of Geophysical Research-Atmospheres, 112(D24), 2007. (doi:10.1029/2007JD008724).
  5. A. Lambert, R. Grainger, C. Rodgers, F. Taylor, J. Mergenthaler, J. Kumer, and S. Massie. Global evolution of the Mt Pinatubo volcanic aerosols observed by the infrared limb-sounding instruments CLAES and ISAMS on the Upper Atmosphere Research Satellite. Journal of Geophysical Research-Atmospheres, 102(D1):1495-1512, 1997. (doi:10.1029/96JD00096).
  6. A. Lambert, R. Grainger, J. Remedios, W. Reburn, C. Rodgers, F. Taylor, A. Roche, J. Kumer, S. Massie, and T. Deshler. Validation of aerosol measurements from the Improved Stratospheric and Mesospheric Sounder. Journal of Geophysical Research-Atmospheres, 101(D6):9811-9830, 1996. (doi:10.1029/95JD01702).
  7. A. Lambert, R. Grainger, H. Rogers, W. Norton, C. Rodgers, and F. Taylor. The H2SO4 component of stratospheric aerosols derived from satellite infrared extinction measurements: Application to stratospheric transport studies. Geophysical Research Letters, 23(17):2219-2222, 1996. (doi:10.1029/96GL02074).
  8. A. Lambert, R. Grainger, J. Remedios, C. Rodgers, M. Corney, and F. Taylor. Measurements of the evolution of the Mt Pinatubo aerosol cloud by ISAMS. Geophysical Research Letters, 20(12):1287-1290, 1993. (doi:10.1029/93GL00827).