Laurence W Twigg

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Laurence W Twigg

  • ASSOCIATE SCIENTIST
  • 301.614.5740 | 301.614.5903
  • NASA/GSFC
  • Mail Code: 614
  • Greenbelt , MD 20771
  • Employer: SCIENCE SYSTEMS AND APPLICATIONS INC
  • Publications

    Refereed

    Sullivan, J. T., S. D. Rabenhorst, J. Dreessen, et al. T. J. McGee, R. Delgado, L. Twigg, and G. Sumnicht. 2017. "Lidar observations revealing transport of O3 in the presence of a nocturnal low-level jet: Regional implications for “next-day” pollution." Atmospheric Environment, 158 (June 2017): 160-171 [10.1016/j.atmosenv.2017.03.039]

    Sullivan, J. T., T. J. McGee, R. M. Hoff, G. Sumnicht, and L. Twigg. 2016. "Characterizing the Vertical Processes of Ozone in Colorado’s Front Range Using the GSFC Ozone DIAL." EPJ Web of Conferences, 119: 05014 [10.1051/epjconf/201611905014]

    Sullivan, J. T., T. J. McGee, A. O. Langford, et al. R. J. Alvarez, C. J. Senff, P. J. Reddy, A. M. Thompson, L. W. Twigg, G. K. Sumnicht, P. Lee, A. Weinheimer, C. Knote, R. W. Long, and R. M. Hoff. 2016. "Quantifying the contribution of thermally driven recirculation to a high-ozone event along the Colorado Front Range using lidar." Journal of Geophysical Research: Atmospheres, 121: [10.1002/2016jd025229]

    Sullivan, J. T., T. J. McGee, R. DeYoung, et al. L. W. Twigg, G. K. Sumnicht, D. Pliutau, T. Knepp, and W. Carrion. 2015. "Results from the NASA GSFC and LaRC Ozone Lidar Intercomparison: New Mobile Tools for Atmospheric Research." Journal of Atmospheric and Oceanic Technology, 32 (10): 1779-1795 [10.1175/jtech-d-14-00193.1]

    Sullivan, J., T. McGee, T. Leblanc, G. Sumnicht, and L. Twigg. 2015. "Optimization of the GSFC TROPOZ DIAL retrieval using synthetic lidar returns and ozonesondes--Part 1: Algorithm validation." Atmospheric Measurement Techniques, 8 (10): 4133--4143 [10.5194/amt-8-4133-2015]

    Sullivan, J. T., T. J. Mcgee, A. M. Thompson, et al. R. B. Pierce, G. K. Sumnicht, L. W. Twigg, E. Eloranta, and R. M. Hoff. 2015. "Characterizing the lifetime and occurrence of stratospheric-tropospheric exchange events in the rocky mountain region using high-resolution ozone measurements." Journal of Geophysical Research: Atmospheres, 120 (24): 12410--12424 [10.1002/2015JD023877]

    Sullivan, J., T. McGee, G. Sumnicht, L. Twigg, and R. Hoff. 2014. "A mobile differential absorption lidar to measure sub-hourly fluctuation of tropospheric ozone profiles in the Baltimore--Washington, DC region." Atmospheric Measurement Techniques, 7 (10): 3529--3548 [10.5194/amt-7-3529-2014]

    Stiller, G., M. Kiefer, E. Eckert, et al. T. Clarmann, S. Kellmann, M. Garcia-Comas, B. Funke, T. Leblanc, E. Fetzer, L. Froidevaux, M. Gomez, E. Hall, D. Hurst, A. Jordan, N. Kampfer, A. Lambert, I. McDermid, T. McGee, L. Miloshevich, G. Nedoluha, W. Read, M. Schneider, M. Schwartz, C. Straub, G. Toon, L. Twigg, K. Walker, and D. Whiteman. 2012. "Validation of MIPAS IMK/IAA temperature, water vapor, and ozone profiles with MOHAVE-2009 campaign measurements." Atmos Meas Tech, 5 (2): 289-320 [10.5194/amt-5-289-2012]

    Leblanc, T., T. Walsh, I. McDermid, et al. G. Toon, J. Blavier, B. Haines, W. Read, B. Herman, E. Fetzer, S. Sander, T. Pongetti, D. Whiteman, T. McGee, L. Twigg, G. Sumnicht, D. Venable, M. Calhoun, A. Dirisu, D. Hurst, A. Jordan, E. Hall, L. Miloshevich, H. Vomel, C. Straub, N. Kampfer, G. Nedoluha, R. Gomez, K. Holub, S. Gutman, J. Braun, T. Vanhove, G. Stiller, and A. Hauchecorne. 2011. "Measurements of Humidity in the Atmosphere and Validation Experiments (MOHAVE)-2009: overview of campaign operations and results." Atmos Meas Tech, 4 (12): 2579–2605 [10.5194/amt-4-2579-2011]

    Steinbrecht, W., T. McGee, L. Twigg, et al. H. Claude, F. Schonenborn, G. Sumnicht, D. Silbert, and R. Neuber. 2009. "Intercomparison of stratospheric ozone and temperature profiles during the October 2005 Hohenpeißenberg Ozone Profiling Experiment (HOPE)." Atmos Meas Tech, 2 (1): 125-145 [10.5194/amt-2-125-2009]

    Nardi, B., J. Gille, J. Barnett, et al. C. Randall, V. Harvey, A. Waterfall, J. Reburn, T. Leblanc, T. McGee, L. Twigg, A. Thompson, S. Godin-Beekmann, P. Bernath, B. Bojkov, C. Boone, C. Cavanaugh, M. Coffey, J. Craft, C. Craig, V. Dean, T. Eden, G. Francis, L. Froidevaux, C. Halvorson, J. Hannigan, C. Hepplewhite, D. Kinnison, R. Khosravi, C. Krinsky, A. Lambert, H. Lee, J. Loh, S. Massie, I. McDermid, D. Packman, B. Torpy, J. Valverde-Canossa, K. Walker, D. Whiteman, J. Witte, and G. Young. 2008. "Initial validation of ozone measurements from the High Resolution Dynamics Limb Sounder." J. Geophys. Res., 113 (D16): D16S36 [10.1029/2007JD008837]

    Froidevaux, L., Y. Yang, A. Lambert, et al. N. Livesey, W. Read, J. Waters, E. Browell, J. Hair, M. Avery, T. McGee, L. Twigg, G. Sumnicht, K. Jucks, J. Margitan, B. Sen, R. Stachnik, G. Toon, P. Bernath, C. Boone, K. Walker, M. Filipiak, R. Harwood, R. Fuller, G. Manney, M. Schwartz, W. Daffer, B. Drouin, R. Cofield, D. Cuddy, R. Jarnot, B. Knosp, V. Perun, W. Snyder, P. Stek, R. Thurstans, and P. Wagner. 2008. "Validation of Aura Microwave Limb Sounder stratospheric ozone measurements." J. Geophys. Res., 113 (D15): D15S20 [10.1029/2007JD008771]

    Schoeberl, M. R., S. R. Kawa, A. R. Douglass, et al. T. J. McGee, E. V. Browell, J. Waters, N. Livesey, W. Read, L. Froidevaux, M. L. Santee, H. C. Pumphrey, L. R. Lait, and L. Twigg. 2006. "Chemical observations of a polar vortex intrusion." J. Geophys. Res., 111 (D20): D20306 [10.1029/2006JD007134]

    Lait, L. R., P. A. Newman, M. R. Schoeberl, et al. T. McGee, L. Twigg, E. V. Browell, M. A. Fenn, W. B. Grant, C. F. Butler, R. Bevilacqua, J. Davies, H. DeBacker, S. B. Andersen, E. Kyro, R. Kivi, P. von der Gathen, H. Claude, A. Benesova, P. Skrivankova, V. Dorokhov, I. Zaitcev, G. Braathen, M. Gil, Z. Litynska, D. Moore, and M. Gerding. 2004. "Non-coincident inter-instrument comparisons of ozone measurements using quasi-conservative coordinates." Atmos. Chem. Phys, 4: 2345-2352.

    Publications

    Refereed

    Sullivan, J. T., S. D. Rabenhorst, J. Dreessen, et al. T. J. McGee, R. Delgado, L. Twigg, and G. Sumnicht. 2017. "Lidar observations revealing transport of O3 in the presence of a nocturnal low-level jet: Regional implications for “next-day” pollution." Atmospheric Environment 158 (June 2017): 160-171 [10.1016/j.atmosenv.2017.03.039]

    Sullivan, J. T., T. J. McGee, R. M. Hoff, G. Sumnicht, and L. Twigg. 2016. "Characterizing the Vertical Processes of Ozone in Colorado’s Front Range Using the GSFC Ozone DIAL." EPJ Web of Conferences 119 05014 [10.1051/epjconf/201611905014]

    Sullivan, J. T., T. J. McGee, A. O. Langford, et al. R. J. Alvarez, C. J. Senff, P. J. Reddy, A. M. Thompson, L. W. Twigg, G. K. Sumnicht, P. Lee, A. Weinheimer, C. Knote, R. W. Long, and R. M. Hoff. 2016. "Quantifying the contribution of thermally driven recirculation to a high-ozone event along the Colorado Front Range using lidar." Journal of Geophysical Research: Atmospheres 121 [10.1002/2016jd025229]

    Sullivan, J. T., T. J. McGee, R. DeYoung, et al. L. W. Twigg, G. K. Sumnicht, D. Pliutau, T. Knepp, and W. Carrion. 2015. "Results from the NASA GSFC and LaRC Ozone Lidar Intercomparison: New Mobile Tools for Atmospheric Research." Journal of Atmospheric and Oceanic Technology 32 (10): 1779-1795 [10.1175/jtech-d-14-00193.1]

    Sullivan, J., T. McGee, T. Leblanc, G. Sumnicht, and L. Twigg. 2015. "Optimization of the GSFC TROPOZ DIAL retrieval using synthetic lidar returns and ozonesondes--Part 1: Algorithm validation." Atmospheric Measurement Techniques 8 (10): 4133--4143 [10.5194/amt-8-4133-2015]

    Sullivan, J. T., T. J. Mcgee, A. M. Thompson, et al. R. B. Pierce, G. K. Sumnicht, L. W. Twigg, E. Eloranta, and R. M. Hoff. 2015. "Characterizing the lifetime and occurrence of stratospheric-tropospheric exchange events in the rocky mountain region using high-resolution ozone measurements." Journal of Geophysical Research: Atmospheres 120 (24): 12410--12424 [10.1002/2015JD023877]

    Sullivan, J., T. McGee, G. Sumnicht, L. Twigg, and R. Hoff. 2014. "A mobile differential absorption lidar to measure sub-hourly fluctuation of tropospheric ozone profiles in the Baltimore--Washington, DC region." Atmospheric Measurement Techniques 7 (10): 3529--3548 [10.5194/amt-7-3529-2014]

    Stiller, G., M. Kiefer, E. Eckert, et al. T. Clarmann, S. Kellmann, M. Garcia-Comas, B. Funke, T. Leblanc, E. Fetzer, L. Froidevaux, M. Gomez, E. Hall, D. Hurst, A. Jordan, N. Kampfer, A. Lambert, I. McDermid, T. McGee, L. Miloshevich, G. Nedoluha, W. Read, M. Schneider, M. Schwartz, C. Straub, G. Toon, L. Twigg, K. Walker, and D. Whiteman. 2012. "Validation of MIPAS IMK/IAA temperature, water vapor, and ozone profiles with MOHAVE-2009 campaign measurements." Atmos Meas Tech 5 (2): 289-320 [10.5194/amt-5-289-2012]

    Leblanc, T., T. Walsh, I. McDermid, et al. G. Toon, J. Blavier, B. Haines, W. Read, B. Herman, E. Fetzer, S. Sander, T. Pongetti, D. Whiteman, T. McGee, L. Twigg, G. Sumnicht, D. Venable, M. Calhoun, A. Dirisu, D. Hurst, A. Jordan, E. Hall, L. Miloshevich, H. Vomel, C. Straub, N. Kampfer, G. Nedoluha, R. Gomez, K. Holub, S. Gutman, J. Braun, T. Vanhove, G. Stiller, and A. Hauchecorne. 2011. "Measurements of Humidity in the Atmosphere and Validation Experiments (MOHAVE)-2009: overview of campaign operations and results." Atmos Meas Tech 4 (12): 2579–2605 [10.5194/amt-4-2579-2011]

    Steinbrecht, W., T. McGee, L. Twigg, et al. H. Claude, F. Schonenborn, G. Sumnicht, D. Silbert, and R. Neuber. 2009. "Intercomparison of stratospheric ozone and temperature profiles during the October 2005 Hohenpeißenberg Ozone Profiling Experiment (HOPE)." Atmos Meas Tech 2 (1): 125-145 [10.5194/amt-2-125-2009]

    Nardi, B., J. Gille, J. Barnett, et al. C. Randall, V. Harvey, A. Waterfall, J. Reburn, T. Leblanc, T. McGee, L. Twigg, A. Thompson, S. Godin-Beekmann, P. Bernath, B. Bojkov, C. Boone, C. Cavanaugh, M. Coffey, J. Craft, C. Craig, V. Dean, T. Eden, G. Francis, L. Froidevaux, C. Halvorson, J. Hannigan, C. Hepplewhite, D. Kinnison, R. Khosravi, C. Krinsky, A. Lambert, H. Lee, J. Loh, S. Massie, I. McDermid, D. Packman, B. Torpy, J. Valverde-Canossa, K. Walker, D. Whiteman, J. Witte, and G. Young. 2008. "Initial validation of ozone measurements from the High Resolution Dynamics Limb Sounder." J. Geophys. Res. 113 (D16): D16S36 [10.1029/2007JD008837]

    Froidevaux, L., Y. Yang, A. Lambert, et al. N. Livesey, W. Read, J. Waters, E. Browell, J. Hair, M. Avery, T. McGee, L. Twigg, G. Sumnicht, K. Jucks, J. Margitan, B. Sen, R. Stachnik, G. Toon, P. Bernath, C. Boone, K. Walker, M. Filipiak, R. Harwood, R. Fuller, G. Manney, M. Schwartz, W. Daffer, B. Drouin, R. Cofield, D. Cuddy, R. Jarnot, B. Knosp, V. Perun, W. Snyder, P. Stek, R. Thurstans, and P. Wagner. 2008. "Validation of Aura Microwave Limb Sounder stratospheric ozone measurements." J. Geophys. Res. 113 (D15): D15S20 [10.1029/2007JD008771]

    Schoeberl, M. R., S. R. Kawa, A. R. Douglass, et al. T. J. McGee, E. V. Browell, J. Waters, N. Livesey, W. Read, L. Froidevaux, M. L. Santee, H. C. Pumphrey, L. R. Lait, and L. Twigg. 2006. "Chemical observations of a polar vortex intrusion." J. Geophys. Res. 111 (D20): D20306 [10.1029/2006JD007134]

    Lait, L. R., P. A. Newman, M. R. Schoeberl, et al. T. McGee, L. Twigg, E. V. Browell, M. A. Fenn, W. B. Grant, C. F. Butler, R. Bevilacqua, J. Davies, H. DeBacker, S. B. Andersen, E. Kyro, R. Kivi, P. von der Gathen, H. Claude, A. Benesova, P. Skrivankova, V. Dorokhov, I. Zaitcev, G. Braathen, M. Gil, Z. Litynska, D. Moore, and M. Gerding. 2004. "Non-coincident inter-instrument comparisons of ozone measurements using quasi-conservative coordinates." Atmos. Chem. Phys 4 2345-2352

                                                                                                                                                                                            
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