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Earth Science Division: Earth Science Directory



SGG—Atmospheric Science Branch

Lenny Pfister

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MS: 245-5
650-604-3183
Leonhard.Pfister-1@nasa.gov

Education:  
  Ph.D., Atmospheric Science, 1977
University of Washington, Seattle, WA

  S.B., Earth and Planetary Science, 1972
Massachusetts Institute of Technology, Cambridge, MA



Current Scientific Interests:
 
  • Stratosphere-Troposphere exchange mechanisms
  •  
  • Water Vapor in the Upper Troposphere and Lower Stratosphere
  •  
  • Tropospheric Trace Constituent Transport
  •  
  • Mesoscale waves and turbulence


  • Selected Publications:
    Jensen E., L. Pfister, T. Bui, A. Weinheimer, E. Weinstock, J. Smith, J. Pittman, D. Baumgardner, P. Lawson, and M. J. McGill. 2005. Formation of a tropopause cirrus layer observed over Florida during CRYSTAL-FACE. J. Geophys. Res., 110, D03208, doi;10.1029/2004JD004671.
    Jensen E., and L. Pfister. 2005. Implications of persistent ice supersaturation in cold cirrus for stratospheric water vapor. Geophys. Res. Lett., 32, L01808, doi:10.1029/2004GL021125
    Jost, H.-J., K. Drdla, A. Stohl, L. Pfister, M. Loewenstein, J. P. Lopez, P. K. Hudson, D. M. Murphy, D. J. Cziczo, M. Fromm, T. P. Bui, J. Dean-Day, C. Gerbig, M. J. Mahoney, E. C. Richard, N. Spichtinger, J. V. Pittman, E. M. Weinstock, J. C. Wilson, and I. Xueref. 2004. In-situ observations of mid-latitude forest fire plumes deep in the stratosphere. Geophys. Res. Lett., 31, L11101, doi:10.1029/2003GL019253.
    Ridley, B., E. Atlas, H. Selkirk, L. Pfister, D. Montzka, J. Walega, S. Donnelly, V. Stroud, E. Richard, K. Kelly, A. Tuck, T. Thompson, J. Reeves, D. Baumgardner, W. T. Rawlins, M. Mahoney, R. Herman, R. Friedl, F. Moore, E. Ray, and J. Elkins. 2004. Convective transport of reactive constituents to the tropical and mid-latitude tropopause region: I. Observations. Atmospheric Environment, 38(9): 1259-1274.
    Jensen E., and L. Pfister. 2004. Transport and freeze-drying in the tropical tropopause layer. J. Geophys. Res., 109, D02207, doi:10.1029/2003JD004022.
    Pfister, L., H. B. Selkirk, E. J. Jensen, J. Podolske, G. Sachse, M. Avery, M. R. Schoeberl, M. J. Mahoney, and E. Richard. 2003. Processes controlling water vapor in the winter Arctic tropopause region. J. Geophys. Res., 108(D5): 8314, doi:10.1029/2001JD001067.
    Spang R., G. Eidmann, M. Riese, D. Offermann, P. Preusse, L. Pfister, and P.-H. Wang. 2002. CRISTA observations of cirrus clouds around the tropopause. J. Geophys. Res., 107(D23), 8174, doi:10.1029/2001JD000698.
    Pfister, L., H. B. Selkirk, E. J. Jensen, J. Podolske, G. Sachse, M. Avery, and M. R. Schoeberl, M. J. Mahoney, and E. Richard. 2002. Processes Controlling Water Vapor in the Winter Arctic Tropopause Region, J. Geophys. Res., 107, 8314, doi:10.1029/2001JD001067.
    Pfister, L., H. B. Selkirk, E. J. Jensen, M. R. Schoeberl, O. B. Toon, E. V. Browell, W. B. Grant, B. Gary, M. J. Mahoney, T. V. Bui, and E. Hintsa. 2001. Aircraft observations of thin cirrus clouds near the tropical tropopause. J. Geophys. Res., 106(D9), 9765-9786, 10.1029/2000JD900648.
    Jensen, E. J., L. Pfister, A. S. Ackerman, A. Tabazadeh, and O. B. Toon. 2001. A conceptual model of the dehydration of air due to freeze-drying by optically thin, laminar cirrus rising slowly across the tropical tropopause. J. Geophys. Res., 106(D15), 17237-17252, 10.1029/2000JD900649.
    Pickering, K. E., A. M. Thompson, H. Kim, A. J. DeCaria, L. Pfister, T. L. Kucsera, J. C. Witte, M. A. Avery, D. R. Blake, J. H. Crawford, B. G. Heikes, G. W. Sachse, S. T. Sandholm, and R. W. Talbot. 2001. Trace gas transport and scavenging in PEM-Tropics B South Pacific Convergence Zone convection. J. Geophys. Res., 106(D23), 32591-32608, 10.1029/2001JD000328.
    Alexander, M. J., J. H. Beres, and L. Pfister. 2000. Tropical stratospheric gravity wave activity and relationships to clouds. J. Geophys. Res., 105(D17), 22299-22310, 10.1029/2000JD900326.
    Jeker, D. P., L. Pfister, A. M. Thompson, D. Brunner, D. J. Boccippio, K. E. Pickering, H. Wernli, Y. Kondo, and J. Staehelin. 2000. Measurements of nitrogen oxides at the tropopause: Attribution to convection and correlation with lightning. J. Geophys. Res., 105(D3), 3679-3700, 10.1029/1999JD901053.
    Jost, H., M. Loewenstein, L. Pfister, J. J. Margitan, A. Y. Chang, R. J. Salawitch, and H. A. Michelsen. 1998. Laminae in the tropical middle stratosphere: Origin and age estimation. Geophys. Res. Lett., 25(23), 4337-4340, 10.1029/1998GL900153.
    Hintsa, E. J., K. A. Boering, E. M. Weinstock, J. G. Anderson, B. L. Gary, L. Pfister, B. C. Daube, S. C. Wofsy, M. Loewenstein, J. R. Podolske, J. J. Margitan, and T. P. Bui. 1998. Troposphere-to-stratosphere transport in the lowermost stratosphere from measurements of H2O, CO2, N2O and O3. Geophys. Res. Lett., 25(14), 2655-2658, 10.1029/98GL01797.
    Haas, M. R., and L. Pfister. 1998. A high-altitude site survey for SOFIA. Publ. Astron. Soc. Pac., 110: 339-364.
    Alexander, M. J., and L. Pfister. 1995. Gravity wave momentum flux in the lower stratosphere over convection. Geophys. Res. Lett., 22(15): 2029-2032, 10.1029/95GL01984.
    Holton, J. R., P. H. Haynes, M. E. McIntyre, A. R. Douglass, R. B. Rood, and L. Pfister. 1995. Stratosphere-troposphere exchange, Rev. Geophys., 33(4): 403-440, 10.1029/95RG02097.
    Pfister, L., K. R. Chan, T. P. Bui, S. Bowen, M. Legg, B. Gary, K. Kelly, M. Proffitt, and W. Starr. 1993. Gravity waves generated by a tropical cyclone during the STEP Tropical field program: a case study. J. Geophys. Res., 98(D5), 8611-8638, 10.1029/92JD01679.
    Pfister, L., S. Scott, M. Loewenstein, S. Bowen, and M. Legg. 1993. Mesoscale disturbances in the tropical stratosphere excited by convection: observations and effects on the stratospheric momentum budget. J. of the Atmospheric Sciences, 50(8): 1058-1075.







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