Dennis L Hlavka

Dennis L Hlavka

  • SENIOR ANALYST
  • 301.614.6278 | 301.614.5492
  • NASA/GSFC
  • Mail Code: 612
  • Greenbelt , MD 20771
  • Employer: SCIENCE SYSTEMS AND APPLICATIONS INC
  • Publications

    Refereed

    Nowottnick, E. P., P. R. Colarco, S. A. Braun, et al. D. O. Barahona, A. da Silva, D. L. Hlavka, M. J. McGill, and J. R. Spackman. 2018. "Dust Impacts on the 2012 Hurricane Nadine Track during the NASA HS3 Field Campaign." Journal of the Atmospheric Sciences, JAS-D-17-0237.1 [10.1175/jas-d-17-0237.1]

    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]

    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]

    Jensen, E., G. Diskin, R. P. Lawson, et al. S. Lance, T. P. Bui, D. L. Hlavka, M. J. Mcgill, L. Pfister, and O. B. Toon. 2013. "Ice nucleation and dehydration in the Tropical Tropopause Layer." Proceedings of the National Academy of Sciences, 110 (6): 2041-2046 [10.1073/pnas.1217104110]

    Minnis, P., G. Hong, W. L. Ayers, et al. W. L. Ayers, W. L. Ayers, C. Yost, A. Heymsfield, G. Heymsfield, D. Hlavka, M. King, E. Korn, M. McGill, H. Selkirk, A. Thompson, L. Tian, and P. Yang. 2012. "Simulations of Infrared Radiances over a Deep Convective Cloud System Observed during TC4: Potential for Enhancing Nocturnal Ice Cloud Retrievals." Remote Sensing, 4 (10): 3022-3054 [10.3390/rs4103022]

    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]

    Nowottnick, E., P. R. Colarco, A. M. Da Silva, D. L. Hlavka, and M. J. Mcgill. 2011. "The fate of Saharan dust across the Atlantic and implications for a Central American dust barrier." Atmos. Chem. Phys., 11 (16): 8415-8431 [10.5194/acp-11-8415-2011]

    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]

    Yost, C., M. Patrick, A. Kirk, et al. S. Douglas, H. Andrew, B. Aaron, M. McGill, and D. Hlavka. 2010. "Comparison of GOES-retrieved and in situ measurements of deep convective anvil cloud microphysical properties during the Tropical Composition, Cloud and Climate Coupling Experiment (TC⁴ )." J Geophys Res, 115 (D10): D00J06 [10.1029/2009JD013313]

    Bucholtz, A., D. Hlavka, M. McGill, et al. S. Schmidt, P. Pilewskie, S. Davis, E. Reid, and A. Walker. 2010. "Directly measured heating rates of a tropical subvisible cirrus cloud." J Geophys Res, 115 (D10): D00J09 [10.1029/2009JD013128]

    Davis, S., D. Hlavka, J. Erin, et al. R. Karen, Y. Qiong, S. Sebastian, B. Stephan, F. Wiebke, L. Paul, V. Holger, and T. Bui. 2010. "In situ and lidar observations of tropopause subvisible cirrus clouds during TC4." J. Geophys. Res., 115: D00J17 [10.1029/2009JD013093]

    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]

    Jensen, E., P. Lawson, B. Baker, et al. B. Pilson, Q. Mo, A. Heymsfield, A. Bansemer, T. Bui, M. McGill, D. Hlavka, G. M. Heymsfield, S. E. Platnick, G. Arnold, and S. Tanelli. 2009. "On the importance of small ice crystals in tropical anvil cirrus." Atmos. Chem. Phys., 9 (15): 5519-5537 [10.5194/acp-9-5519-2009]

    Hlavka, D. L., L. Tian, W. D. Hart, et al. L. Li, M. J. Mcgill, and G. M. Heymsfield. 2009. "Vertical cloud climatology during TC4 derived from high-altitude aircraft merged lidar and radar profiles." J Geophys Res,

    McGill, M., M. Vaughan, C. Trepte, et al. W. Hart, D. Hlavka, D. Winker, and R. Keuhn. 2007. "Airborne validation of spatial properties measured by the CALIPSO lidar." J. Geophys. Res., 112 (D20): D20201 [10.1029/2007JD008768]

    Holz, R., S. Ackerman, P. Antonelli, et al. F. Nagle, M. J. McGill, D. L. Hlavka, and W. D. Hart. 2006. "An improvement to the high spectral resolution CO2 slicing cloud top altitude retrieval." J Atmos Ocean Tech, 23 (5): 653-670 [10.1175/JTECH1877.1]

    Hart, W., S. Palm, J. Spinhirne, and D. Hlavka. 2005. "Height Distribution Between Cloud and Aerosol Layers from GLAS Spaceborne Lidar in the Indian Ocean Region." Geophys Res Lett, 32 (L22S06):

    Spinhirne, J., E. J. Welton, D. L. Hlavka, W. D. Hart, and S. P. Palm. 2005. "Cloud and aerosol measurements from GLAS: Overview and initial results." Geophysical Research Letters, 32 (22): L22S03 [10.1029/2005GL023507]

    Palm, S. P., D. L. Hlavka, W. D. Hart, J. D. Spinhirne, and A. Benedetti. 2005. "Validation of ECMWF global forecast model parameters using GLAS atmospheric channel measurements." Geophysical Research Letters, 32 (22): L22S09 [10.1029/2005GL023535]

    Hlavka, D. L., E. J. Welton, M. J. Mcgill, et al. J. D. Spinhirne, W. D. Hart, and S. P. Palm. 2005. "Aerosol and cloud optical depth from GLAS: Results and verification for an October 2003 California fire smoke case." Geophysical Research Letters, 32 (22): L22S07 [10.1029/2005GL023413]

    Mcgill, M. J., D. L. Hlavka, G. M. Heymsfield, et al. L. Li, M. A. Vaughan, L. Tian, P. E. Racette, D. M. Winker, and W. D. Hart. 2004. "Combined lidar-radar remote sensing: Initial results from CRYSTAL-FACE." J. Geophys. Res., 109 (D7): [10.1029/2003JD004030]

    Schmid, B., J. Redemann, P. Russell, et al. P. Hobbs, D. L. Hlavka, M. J. Mcgill, B. Holben, E. J. Welton, J. Campbell, O. Torres, R. A. Kahn, D. Diner, M. Helmlinger, D. Chu, C. RoblesGonzalez, and G. deLeeuw. 2003. "Coordinated airborne, spaceborne, and ground-based measurements of massive thick aerosol layers during the dry season in southern Africa." J. Geophys. Res., 108 (D13): 8496 [10.1029/2002JD002297]

    Mcgill, M. J., D. L. Hlavka, W. D. Hart, E. J. Welton, and J. Campbell. 2003. "Airborne lidar measurements of aerosol optical properties during SAFARI-2000." J. Geophys. Res., 108 (D13): [10.1029/2002JD002370]

    McGill, M. J., D. L. Hlavka, W. D. Hart, et al. V. Scott, J. Spinhirne, and B. Schmid. 2002. "Cloud Physics Lidar: Instrument description and initial measurement results." Appl Opt, 41 (18): 3725-3734 [10.1364/AO.41.003725]

    Non-Refereed

    Spinhirne, J., S. P. Palm, D. L. Hlavka, et al. W. D. Hart, A. Mahesh, and E. J. Welton. 2005. "Aerosol and cloud observations and data products by the GLAS Polar Orbiting Lidar Instruments." AMS 85th Annual Meeting San Diego, CA.

    Hlavka, D. L., S. P. Palm, E. J. Welton, et al. W. D. Hart, J. Spinhirne, M. J. Mcgill, and A. Mahesh. 2001. "Global Lidar Measurements of Clouds and Aerosols from Space Using the Geoscience Laser Altimeter System (GLAS)." 2001 AGU Fall Meeting San Francisco, CA.

    Palm, S. P., D. L. Hlavka, B. Hart, E. J. Welton, and J. Spinhirne. 2000. "The Atmospheric Channels of GLAS: Near Real-Time Global Lidar Remote Sensing of Clouds and Aerosols from Space." 20th Internationl Laser Radar Conference Vichy, France.

    Hlavka, D. L., J. R. Campbell, J. D. Spinhirne, and C. J. Flynn. 1999. "Optical Properties of the 1997 Smoke Event at the First ARM Tropical West Pacific Site." AMS 10th Conference on Atmospheric Radiation Madison, WI.

    Palm, S. P., W. D. Hart, D. L. Hlavka, and J. D. Spinhirne. 1999. "Geoscience Laser Altimeter System (GLAS) Algorithm Theoretical Basis Document (ATBD) for GLAS Atmospheric Data Products, Ver 20."

    Publications

    Refereed

    Nowottnick, E. P., P. R. Colarco, S. A. Braun, et al. D. O. Barahona, A. da Silva, D. L. Hlavka, M. J. McGill, and J. R. Spackman. 2018. "Dust Impacts on the 2012 Hurricane Nadine Track during the NASA HS3 Field Campaign." Journal of the Atmospheric Sciences JAS-D-17-0237.1 [10.1175/jas-d-17-0237.1]

    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]

    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]

    Jensen, E., G. Diskin, R. P. Lawson, et al. S. Lance, T. P. Bui, D. L. Hlavka, M. J. Mcgill, L. Pfister, and O. B. Toon. 2013. "Ice nucleation and dehydration in the Tropical Tropopause Layer." Proceedings of the National Academy of Sciences 110 (6): 2041-2046 [10.1073/pnas.1217104110]

    Minnis, P., G. Hong, W. L. Ayers, et al. W. L. Ayers, W. L. Ayers, C. Yost, A. Heymsfield, G. Heymsfield, D. Hlavka, M. King, E. Korn, M. McGill, H. Selkirk, A. Thompson, L. Tian, and P. Yang. 2012. "Simulations of Infrared Radiances over a Deep Convective Cloud System Observed during TC4: Potential for Enhancing Nocturnal Ice Cloud Retrievals." Remote Sensing 4 (10): 3022-3054 [10.3390/rs4103022]

    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]

    Nowottnick, E., P. R. Colarco, A. M. Da Silva, D. L. Hlavka, and M. J. Mcgill. 2011. "The fate of Saharan dust across the Atlantic and implications for a Central American dust barrier." Atmos. Chem. Phys. 11 (16): 8415-8431 [10.5194/acp-11-8415-2011]

    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]

    Yost, C., M. Patrick, A. Kirk, et al. S. Douglas, H. Andrew, B. Aaron, M. McGill, and D. Hlavka. 2010. "Comparison of GOES-retrieved and in situ measurements of deep convective anvil cloud microphysical properties during the Tropical Composition, Cloud and Climate Coupling Experiment (TC⁴ )." J Geophys Res 115 (D10): D00J06 [10.1029/2009JD013313]

    Bucholtz, A., D. Hlavka, M. McGill, et al. S. Schmidt, P. Pilewskie, S. Davis, E. Reid, and A. Walker. 2010. "Directly measured heating rates of a tropical subvisible cirrus cloud." J Geophys Res 115 (D10): D00J09 [10.1029/2009JD013128]

    Davis, S., D. Hlavka, J. Erin, et al. R. Karen, Y. Qiong, S. Sebastian, B. Stephan, F. Wiebke, L. Paul, V. Holger, and T. Bui. 2010. "In situ and lidar observations of tropopause subvisible cirrus clouds during TC4." J. Geophys. Res. 115 D00J17 [10.1029/2009JD013093]

    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]

    Jensen, E., P. Lawson, B. Baker, et al. B. Pilson, Q. Mo, A. Heymsfield, A. Bansemer, T. Bui, M. McGill, D. Hlavka, G. M. Heymsfield, S. E. Platnick, G. Arnold, and S. Tanelli. 2009. "On the importance of small ice crystals in tropical anvil cirrus." Atmos. Chem. Phys. 9 (15): 5519-5537 [10.5194/acp-9-5519-2009]

    Hlavka, D. L., L. Tian, W. D. Hart, et al. L. Li, M. J. Mcgill, and G. M. Heymsfield. 2009. "Vertical cloud climatology during TC4 derived from high-altitude aircraft merged lidar and radar profiles." J Geophys Res

    McGill, M., M. Vaughan, C. Trepte, et al. W. Hart, D. Hlavka, D. Winker, and R. Keuhn. 2007. "Airborne validation of spatial properties measured by the CALIPSO lidar." J. Geophys. Res. 112 (D20): D20201 [10.1029/2007JD008768]

    Holz, R., S. Ackerman, P. Antonelli, et al. F. Nagle, M. J. McGill, D. L. Hlavka, and W. D. Hart. 2006. "An improvement to the high spectral resolution CO2 slicing cloud top altitude retrieval." J Atmos Ocean Tech 23 (5): 653-670 [10.1175/JTECH1877.1]

    Hart, W., S. Palm, J. Spinhirne, and D. Hlavka. 2005. "Height Distribution Between Cloud and Aerosol Layers from GLAS Spaceborne Lidar in the Indian Ocean Region." Geophys Res Lett 32 (L22S06):

    Spinhirne, J., E. J. Welton, D. L. Hlavka, W. D. Hart, and S. P. Palm. 2005. "Cloud and aerosol measurements from GLAS: Overview and initial results." Geophysical Research Letters 32 (22): L22S03 [10.1029/2005GL023507]

    Palm, S. P., D. L. Hlavka, W. D. Hart, J. D. Spinhirne, and A. Benedetti. 2005. "Validation of ECMWF global forecast model parameters using GLAS atmospheric channel measurements." Geophysical Research Letters 32 (22): L22S09 [10.1029/2005GL023535]

    Hlavka, D. L., E. J. Welton, M. J. Mcgill, et al. J. D. Spinhirne, W. D. Hart, and S. P. Palm. 2005. "Aerosol and cloud optical depth from GLAS: Results and verification for an October 2003 California fire smoke case." Geophysical Research Letters 32 (22): L22S07 [10.1029/2005GL023413]

    Mcgill, M. J., D. L. Hlavka, G. M. Heymsfield, et al. L. Li, M. A. Vaughan, L. Tian, P. E. Racette, D. M. Winker, and W. D. Hart. 2004. "Combined lidar-radar remote sensing: Initial results from CRYSTAL-FACE." J. Geophys. Res. 109 (D7): [10.1029/2003JD004030]

    Schmid, B., J. Redemann, P. Russell, et al. P. Hobbs, D. L. Hlavka, M. J. Mcgill, B. Holben, E. J. Welton, J. Campbell, O. Torres, R. A. Kahn, D. Diner, M. Helmlinger, D. Chu, C. RoblesGonzalez, and G. deLeeuw. 2003. "Coordinated airborne, spaceborne, and ground-based measurements of massive thick aerosol layers during the dry season in southern Africa." J. Geophys. Res. 108 (D13): 8496 [10.1029/2002JD002297]

    Mcgill, M. J., D. L. Hlavka, W. D. Hart, E. J. Welton, and J. Campbell. 2003. "Airborne lidar measurements of aerosol optical properties during SAFARI-2000." J. Geophys. Res. 108 (D13): [10.1029/2002JD002370]

    McGill, M. J., D. L. Hlavka, W. D. Hart, et al. V. Scott, J. Spinhirne, and B. Schmid. 2002. "Cloud Physics Lidar: Instrument description and initial measurement results." Appl Opt 41 (18): 3725-3734 [10.1364/AO.41.003725]

    Non-Refereed

    Spinhirne, J., S. P. Palm, D. L. Hlavka, et al. W. D. Hart, A. Mahesh, and E. J. Welton. 2005. "Aerosol and cloud observations and data products by the GLAS Polar Orbiting Lidar Instruments." AMS 85th Annual Meeting

    Hlavka, D. L., S. P. Palm, E. J. Welton, et al. W. D. Hart, J. Spinhirne, M. J. Mcgill, and A. Mahesh. 2001. "Global Lidar Measurements of Clouds and Aerosols from Space Using the Geoscience Laser Altimeter System (GLAS)." 2001 AGU Fall Meeting

    Palm, S. P., D. L. Hlavka, B. Hart, E. J. Welton, and J. Spinhirne. 2000. "The Atmospheric Channels of GLAS: Near Real-Time Global Lidar Remote Sensing of Clouds and Aerosols from Space." 20th Internationl Laser Radar Conference

    Hlavka, D. L., J. R. Campbell, J. D. Spinhirne, and C. J. Flynn. 1999. "Optical Properties of the 1997 Smoke Event at the First ARM Tropical West Pacific Site." AMS 10th Conference on Atmospheric Radiation

    Palm, S. P., W. D. Hart, D. L. Hlavka, and J. D. Spinhirne. 1999. "Geoscience Laser Altimeter System (GLAS) Algorithm Theoretical Basis Document (ATBD) for GLAS Atmospheric Data Products, Ver 20."

                                                                                                                                                                                            
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