Dr. John E Yorks

Dr. John E Yorks

  • RSCH AST, EARTH SCIENCES REMOTE SENS
  • 301.614.6284
  • NASA/GSFC
  • Mail Code: 612
  • Greenbelt , MD 20771
  • Employer: NASA
  • Research Interests

    Cloud and Aerosol Remote Sensing

    Lidar remote sensing, lidar systems development, cloud properties, aerosol properties, aerosol transport, elastic backscatter lidar, HSRL, Doppler Wind lidar, cirrus, cloud/aerosol radiative effects, satellite remote sensing, Earth’s climate and atmosphere, atmospheric processes, cloud and aerosol lidar retrieval algorithms, airborne and spaceborne lidar

    Current Projects

    Space-based and airborne lidar

    Cloud-Aerosol Transport System (CATS) on the International Space Station (ISS)
    Cloud Physics Lidar (CPL)
    Airborne Cloud-Aerosol Transport System (ACATS)

    Positions/Employment

    7/2006 - 1/2008

    Research Assistant

    Penn State University, University Park, PA
    2/2008 - 8/2015

    Lead Research Scientist

    Science Systems and Applications, Inc., NASA GSFC, Greenbelt, MD
    8/2015 - Present

    Research Physical Scientist

    NASA Goddard Space Flight Center, Greenbelt, MD

    Education

    2006 - B.S. - Meteorology, Millersville University, Millersville, PA.
    2007 - M.S. - Meteorology, Penn State University, University Park, PA.
    2014 - PhD - Atmospheric and Oceanic Science, University of Maryland, College Park, MD.

    Professional Societies

    American Geophysical Union (AGU), 2006 - Present
    Member
    American Meteorological Society (AMS), 2004 - Present
    Member
    Society of Photo-optical Instrumentation Engineers (SPIE), 2015 - Present
    Member

    Awards

    2008 Exceptional Scientific Research, Mesoscale Atmospheric Branch, NASA GSFC
    2008 NASA Group Achievement Award – TC4 Team
    2009 SSAI Publication Award
    2011 NASA Group Achievement Award – GloPac Team
    2011 SSAI Publication Award (2)
    2014 Outstanding Performance - Instrumentation, Atmospheric Sciences, NASA GSFC
    2014 NASA IRAD Innovator of the Year, Team Award (CATS)
    2015 NASA Group Achievement Award – CATS Team

    Special Experience


    1) Participant in the 2005 UCAR Undergraduate Leadership Workshop in Boulder, CO

    2) Co-Investigator funded to provide assessment of CALIPSO retrieval uncertainties and examining cirrus cloud properties, 2009-2011.

    3) Co-Investigator funded to integrate the Airborne Cloud-Aerosol Transport System (ACATS) lidar to aircraft, 2009-2011.

    4) Co-Investigator funded to provide Cloud Physics Lidar measurements for the SEAC4RS field campaign, 2011-2013.

    5) Committee member, NASA AeroCenter, 2013 – 2016.

    6) Science Lead, International Space Station (ISS) Cloud-Aerosol Transport System (CATS), 2013 – present.

    7) Director, NASA Earth Science Young Scientist Forum, 2013 – present.

    8) Co-Investigator funded to analyze synergistic ice cloud observations from eMAS, RSP, and CPL, 2014-present.

    9) Member, AMS Committee on Laser Atmospheric Studies, 2015 – present.

    10) Principal Investigator funded to evaluate the vertical variability of clouds and aersosols over large and small horizontal scales using CALIPSO and CATS data, 2016 - present.

    11) Chair, GSFC Science Directorate Committee, 2016 – present.

    12) Principal Investigator of the ACATS instrument, 2016 - present.

    Publications

    Refereed

    Sinclair, K., B. van Diedenhoven, B. Cairns, et al. J. Yorks, A. Wasilewski, and M. McGill. 2017. "Remote Sensing of Multiple Cloud Layer Heights using Multi-Angular Measurements." Atmospheric Measurement Techniques Discussions, 1-23 [10.5194/amt-2017-2]

    Rajapakshe, C., Z. Zhang, J. E. Yorks, et al. H. Yu, Q. Tan, K. Meyer, S. Platnick, and D. M. Winker. 2017. "Seasonally transported aerosol layers over southeast Atlantic are closer to underlying clouds than previously reported." Geophysical Research Letters, [10.1002/2017gl073559]

    Meyer, K. G., S. E. Platnick, G. T. Arnold, et al. R. E. Holz, P. Veglio, J. E. Yorks, and C. Wang. 2016. "Cirrus cloud optical and microphysical property retrievals from eMAS during SEAC4RS using bi-spectral reflectance measurements within the 1.88  µm water vapor absorption band." Atmospheric Measurement Techniques, 9 (4): 1743-1753 [10.5194/amt-9-1743-2016]

    van Diedenhoven, B., A. M. Fridlind, B. Cairns, A. S. Ackerman, and J. E. Yorks. 2016. "Vertical variation of ice particle size in convective cloud tops." Geophysical Research Letters, 43 (9): 4586-4593 [10.1002/2016gl068548]

    Yorks, J. E., M. J. McGill, S. P. Palm, et al. D. L. Hlavka, P. A. Selmer, E. P. Nowottnick, M. A. Vaughan, S. D. Rodier, and W. D. Hart. 2016. "An overview of the CATS level 1 processing algorithms and data products." Geophysical Research Letters, 43 (9): 4632-4639 [10.1002/2016gl068006]

    Alexandrov, M. D., B. Cairns, B. van Diedenhoven, et al. A. S. Ackerman, A. P. Wasilewski, M. J. McGill, J. E. Yorks, D. L. Hlavka, S. E. Platnick, and G. T. Arnold. 2016. "Polarized view of supercooled liquid water clouds." Remote Sensing of Environment, 181: 96-110 [10.1016/j.rse.2016.04.002]

    Wu, L., O. Hasekamp, B. van Diedenhoven, et al. B. Cairns, J. E. Yorks, and J. Chowdhary. 2016. "Passive remote sensing of aerosol layer height using near-UV multiangle polarization measurements." Geophysical Research Letters, 43 (16): 8783-8790 [10.1002/2016gl069848]

    Hughes, E. J., J. Yorks, N. A. Krotkov, A. M. da Silva, and M. McGill. 2016. "Using CATS Near-Realtime Lidar Observations to Monitor and Constrain Volcanic Sulfur Dioxide (SO2) Forecasts." Geophysical Research Letters, [10.1002/2016gl070119]

    Alexandrov, M. D., B. Cairns, A. P. Wasilewski, et al. A. S. Ackerman, M. J. McGill, J. E. Yorks, J. E. Hlavka, S. E. Platnick, G. T. Arnold, B. van Diedenhoven, J. Chowdhary, M. Ottaviani, and K. D. Knobelspiesse. 2015. "Liquid water cloud properties during the Polarimeter Definition Experiment (PODEX)." Remote Sens. Environ., 169: 20-36 [doi:10.1016/j.rse.2015.07.029]

    Yorks, J. E., M. J. McGill, V. S. Scott, et al. A. W. Kupchock, S. W. Wake, D. L. Hlavka, W. D. Hart, and P. A. Selmer. 2014. "The Airborne Cloud-Aerosol Transport System: Overview and Description of the Instrument and Retrieval Algorithms." Journal of Atmospheric and Oceanic Technology, 31: 2482-2497 [10.1175/JTECH-D-14-00044.1]

    Hlavka, D. L., J. E. Yorks, M. J. McGill, et al. S. A. Young, M. A. Vaughan, R. E. Kuehn, and S. D. Rodier. 2012. "Airborne validation of cirrus cloud properties derived from CALIPSO lidar measurements: Optical properties." Journal of Geophysical Research, 116: D19207 [10.1029/2011JD015942]

    Yorks, J., M. McGill, D. Hlavka, and W. Hart. 2011. "Statistics of Cloud Optical Properties from Airborne Lidar Measurements." Journal of Atmospheric and Oceanic Technology, 28 (7): 869-883 [10.1175/2011JTECHA1507.1]

    Yorks, J., D. Hlavka, A. Mark, et al. M. McGill, W. Hart, R. Sharon, and K. Ralph. 2011. "Airborne validation of cirrus cloud properties derived from CALIPSO lidar measurements: Spatial properties." J. Geophys. Res., 116 (D19): D19207 [10.1029/2011JD015942]

    Thompson, A. M., A. M. MacFarlane, G. A. Morris, et al. J. E. Yorks, S. K. Miller, B. F. Taubman, G. Verver, H. Voemel, M. A. Avery, J. W. Hair, G. S. Diskin, E. V. Browell, J. M. Valverde-Canossa, T. L. Kucsera, C. A. Klich, and D. L. Hlavka. 2010. "Convective and wave signatures in ozone profiles over the equatorial Americas: Views from TC4 2007 and SHADOZ." J. Geophys. Res., 115: D00J23 [10.1029/2009JD012909]

    Yorks, J. E., M. J. Mcgill, S. Rodier, et al. M. Vaughan, Y. Hu, and D. L. Hlavka. 2009. "Radiative effects of African dust and smoke observed from Clouds and the Earth's Radiant Energy System (CERES) and Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) data." J. Geophys. Res., 114: D00H04 [10.1029/2009JD012000]

    Yorks, J., A. Thompson, E. Joseph, and S. Miller. 2009. "The variability of free tropospheric ozone over Beltsville, Maryland (39N, 77W) in the summers 2004–2007." Atmos Environ, 43 (11): 1827-1838 [10.1016/j.atmosenv.2008.12.049]

    Pfister, G., L. Emmons, P. Hess, et al. J. Lamarque, A. Thompson, and J. Yorks. 2008. "Analysis of the Summer 2004 ozone budget over the United States using Intercontinental Transport Experiment Ozonesonde Network Study (IONS) observations and Model of Ozone and Related Tracers (MOZART-4) simulations." J. Geophys. Res., 113 (D23): D23306 [10.1029/2008JD010190]

    Thompson, A., J. Yorks, S. Miller, et al. J. C. Witte, K. Dougherty, G. Morris, D. Baumgardner, L. Ladino, and B. Rappenglueck. 2008. "Tropospheric ozone sources and wave activity over Mexico City and Houston during MILAGRO/Intercontinental Transport Experiment (INTEX-B) Ozonesonde Network Study, 2006 (IONS-06)." Atmos. Chem. Phys., 8 (17): 5113-5125 [10.5194/acp-8-5113-2008]

    Publications

    Refereed

    Sinclair, K., B. van Diedenhoven, B. Cairns, et al. J. Yorks, A. Wasilewski, and M. McGill. 2017. "Remote Sensing of Multiple Cloud Layer Heights using Multi-Angular Measurements." Atmospheric Measurement Techniques Discussions 1-23 [10.5194/amt-2017-2]

    Rajapakshe, C., Z. Zhang, J. E. Yorks, et al. H. Yu, Q. Tan, K. Meyer, S. Platnick, and D. M. Winker. 2017. "Seasonally transported aerosol layers over southeast Atlantic are closer to underlying clouds than previously reported." Geophysical Research Letters [10.1002/2017gl073559]

    Meyer, K. G., S. E. Platnick, G. T. Arnold, et al. R. E. Holz, P. Veglio, J. E. Yorks, and C. Wang. 2016. "Cirrus cloud optical and microphysical property retrievals from eMAS during SEAC4RS using bi-spectral reflectance measurements within the 1.88  µm water vapor absorption band." Atmospheric Measurement Techniques 9 (4): 1743-1753 [10.5194/amt-9-1743-2016]

    van Diedenhoven, B., A. M. Fridlind, B. Cairns, A. S. Ackerman, and J. E. Yorks. 2016. "Vertical variation of ice particle size in convective cloud tops." Geophysical Research Letters 43 (9): 4586-4593 [10.1002/2016gl068548]

    Yorks, J. E., M. J. McGill, S. P. Palm, et al. D. L. Hlavka, P. A. Selmer, E. P. Nowottnick, M. A. Vaughan, S. D. Rodier, and W. D. Hart. 2016. "An overview of the CATS level 1 processing algorithms and data products." Geophysical Research Letters 43 (9): 4632-4639 [10.1002/2016gl068006]

    Alexandrov, M. D., B. Cairns, B. van Diedenhoven, et al. A. S. Ackerman, A. P. Wasilewski, M. J. McGill, J. E. Yorks, D. L. Hlavka, S. E. Platnick, and G. T. Arnold. 2016. "Polarized view of supercooled liquid water clouds." Remote Sensing of Environment 181 96-110 [10.1016/j.rse.2016.04.002]

    Wu, L., O. Hasekamp, B. van Diedenhoven, et al. B. Cairns, J. E. Yorks, and J. Chowdhary. 2016. "Passive remote sensing of aerosol layer height using near-UV multiangle polarization measurements." Geophysical Research Letters 43 (16): 8783-8790 [10.1002/2016gl069848]

    Hughes, E. J., J. Yorks, N. A. Krotkov, A. M. da Silva, and M. McGill. 2016. "Using CATS Near-Realtime Lidar Observations to Monitor and Constrain Volcanic Sulfur Dioxide (SO2) Forecasts." Geophysical Research Letters [10.1002/2016gl070119]

    Alexandrov, M. D., B. Cairns, A. P. Wasilewski, et al. A. S. Ackerman, M. J. McGill, J. E. Yorks, J. E. Hlavka, S. E. Platnick, G. T. Arnold, B. van Diedenhoven, J. Chowdhary, M. Ottaviani, and K. D. Knobelspiesse. 2015. "Liquid water cloud properties during the Polarimeter Definition Experiment (PODEX)." Remote Sens. Environ. 169 20-36 [doi:10.1016/j.rse.2015.07.029]

    Yorks, J. E., M. J. McGill, V. S. Scott, et al. A. W. Kupchock, S. W. Wake, D. L. Hlavka, W. D. Hart, and P. A. Selmer. 2014. "The Airborne Cloud-Aerosol Transport System: Overview and Description of the Instrument and Retrieval Algorithms." Journal of Atmospheric and Oceanic Technology 31 2482-2497 [10.1175/JTECH-D-14-00044.1]

    Hlavka, D. L., J. E. Yorks, M. J. McGill, et al. S. A. Young, M. A. Vaughan, R. E. Kuehn, and S. D. Rodier. 2012. "Airborne validation of cirrus cloud properties derived from CALIPSO lidar measurements: Optical properties." Journal of Geophysical Research 116 D19207 [10.1029/2011JD015942]

    Yorks, J., M. McGill, D. Hlavka, and W. Hart. 2011. "Statistics of Cloud Optical Properties from Airborne Lidar Measurements." Journal of Atmospheric and Oceanic Technology 28 (7): 869-883 [10.1175/2011JTECHA1507.1]

    Yorks, J., D. Hlavka, A. Mark, et al. M. McGill, W. Hart, R. Sharon, and K. Ralph. 2011. "Airborne validation of cirrus cloud properties derived from CALIPSO lidar measurements: Spatial properties." J. Geophys. Res. 116 (D19): D19207 [10.1029/2011JD015942]

    Thompson, A. M., A. M. MacFarlane, G. A. Morris, et al. J. E. Yorks, S. K. Miller, B. F. Taubman, G. Verver, H. Voemel, M. A. Avery, J. W. Hair, G. S. Diskin, E. V. Browell, J. M. Valverde-Canossa, T. L. Kucsera, C. A. Klich, and D. L. Hlavka. 2010. "Convective and wave signatures in ozone profiles over the equatorial Americas: Views from TC4 2007 and SHADOZ." J. Geophys. Res. 115 D00J23 [10.1029/2009JD012909]

    Yorks, J. E., M. J. Mcgill, S. Rodier, et al. M. Vaughan, Y. Hu, and D. L. Hlavka. 2009. "Radiative effects of African dust and smoke observed from Clouds and the Earth's Radiant Energy System (CERES) and Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) data." J. Geophys. Res. 114 D00H04 [10.1029/2009JD012000]

    Yorks, J., A. Thompson, E. Joseph, and S. Miller. 2009. "The variability of free tropospheric ozone over Beltsville, Maryland (39N, 77W) in the summers 2004–2007." Atmos Environ 43 (11): 1827-1838 [10.1016/j.atmosenv.2008.12.049]

    Pfister, G., L. Emmons, P. Hess, et al. J. Lamarque, A. Thompson, and J. Yorks. 2008. "Analysis of the Summer 2004 ozone budget over the United States using Intercontinental Transport Experiment Ozonesonde Network Study (IONS) observations and Model of Ozone and Related Tracers (MOZART-4) simulations." J. Geophys. Res. 113 (D23): D23306 [10.1029/2008JD010190]

    Thompson, A., J. Yorks, S. Miller, et al. J. C. Witte, K. Dougherty, G. Morris, D. Baumgardner, L. Ladino, and B. Rappenglueck. 2008. "Tropospheric ozone sources and wave activity over Mexico City and Houston during MILAGRO/Intercontinental Transport Experiment (INTEX-B) Ozonesonde Network Study, 2006 (IONS-06)." Atmos. Chem. Phys. 8 (17): 5113-5125 [10.5194/acp-8-5113-2008]

                                                                                                                                                                                            
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