Profile for Dennis Hlavka


Click image to view larger version.
Affiliation: SSAI
Contact: E-mail
Office Phone: 301-614-6278
Fax: 301-614-5492

Overview

Education B.S. - 1974 - Meteorology - Iowa State University Research Interests
  • Radiative Transfer
  • Signal Processing
  • Remote Sensing
  • Statistical Methods
  • Publications

    Jensen, E., G. Diskin, R. P. Lawson, S. Lance, T. P. Bui, D. Hlavka, M. McGill, Leonard Pfister, O. B. Toon, and R. Gao (2013). Ice nucleation and dehydration in the Tropical Tropopause Layer Proceedings of the National Academy of Sciences, 110(6), 2041-2046
    10.1073/pnas.1217104410

    Hlavka, D., J. Yorks, Syuart Young, Mark A. Vaughan, Ralph Kuehn, M. McGill, and Sharon Rodier (2012). Airborne validation of cirrus cloud properties derived from CALIPSO lidar measurements: Optical properties. J. Geophys.Res., 117(D09207), 22 Pages
    doi:10.1029/2011JD017053

    Minnis, P., G. Hong, J. K. Ayers, W. L. Smith, Jr., C. R. Yost, A. J. Heymsfield, G. M. Heymsfield, D. J. Hlavka, M. D. King, E. Korn, M. J. McGill, H. B. Selkirk, A. M. 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
    doi:10.3390/rs4103022

    Yorks, J., M. McGill, D. Hlavka, and W. Hart (2011). Statistics of Cloud Optical Properties from Airborne Lidar Measurements J. Atmos. Oceanic Technol., 28, 869-883
    10.1175/2011JTECHA1507.1

    Yorks, J., D. Hlavka, Mark A. Vaughan, M. McGill, W. Hart, Sharon Rodier, and Ralph Kuehn (2011). Airborne validation of cirrus cloud properties derived from CALIPSO lidar measurements: Spatial properties J.Geophys.Res., 116(D19207), 19 Pages
    10.1029/2011JD015942

    Bucholtz A., D. Hlavka, M. McGill, S. Schmidt, P. Pilewskie, S.M. Davis, E.A. Reid, and A.L. Walker (2010). Directly measured heating rates of a tropical subvisible cirrus cloud J. Geophys. Res., 115(D00J09), 11 Pages
    doi:10.1029/2009JD013128.

    Davis,Sean, D. Hlavka, Erin Jensen, Karen Rosenlof, Qiong Yang, Sebastian Schmidt, Stephan Borrmann, Wiebke Frey, Paul Lawson, Holger Voemel, and T.P. Bui (2010). In situ and lidar observations of tropopause subvisible cirrus clouds during TC4 J. Geophys. Res., 115(D00J17), 14 Pages
    doi:10.1029/2009JD013093

    Thompson M. Anne, Alaina M. MacFarlane, Gary A. Morris, J. Yorks, Sonya K. Miller, Brett F. Taubman, Gé Verver, Holger Vömel, Melody A. Avery, Johnathan W. Hair, Glenn S. Diskin, Edward V. Browell, Jéssica Valverde Canossa, Tom L. Kucsera, Christopher A. Klich, and D. Hlavka (2010). Convective and wave signatures in ozone profiles over the equatorial Americas: Views from TC4 2007 and SHADOZ J. Geophys. Res. Atmos. TC4 Issue, 115(D00J23), 16 Pages
    doi:10.1029/2009JD012909

    Yost Christopher, Patrick Minnis, Kirk Ayers, Douglas Spangenberg, Andrew Heymsfield, Aaron Bansemer, 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 Experiemtn (TC4 ) J. Geophys. Res., 115(D00J06), 14 Pages
    10.1029/2009JD013313

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

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

    Yorks, J., M. McGill, S. Rodier, M. Vaughan, Y. Hu, and D. Hlavka (2009). Radiative effects of African dust and smoke observed from CERES and CALIOP data J. Geophys. Res., 114(D00H04), 10 Pages
    10.1029/2009JD012000

    Jensen E.J., P. Lawson, B. Baker, B. Pilson, Q. Mo, A.J. Heymsfield, A. Bansemer, T.P. Bui, M. McGill, D. Hlavka, G.M. Heymsfield, S. Platnick, G.T. Arnold, and S. Tanelli (2008). On the importance of small ice crystals in tropical anvil cirrus Atmos. Chem. Phys. Discuss., 9(15), 5519-5537
    doi:10.5194/acp-9-5519-2009

    McGill, M., M. Vaughan, C. Trepte, W. Hart, D. Hlavka, D. Winker, and R. Keuhn (2007). Airborne Validation of Spatial Properties Measured by the CALIPSO Lidar J. Geophys. Res., 112, D20201
    10.1029/2007JD008768

    Holz R.E., S. Ackerman, P. Antonelli, F. Nagle, M. McGill, D. Hlavka, and W. Hart (2006). An improvement to the high spectral resolution CO2 slicing cloud top altitude retrieval J. Atmos. Ocean. Tech., 23(5), 653-670

    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).

    Hlavka, D., E.J. Welton, M. McGill, J.D. Spinhirne, W. Hart, and S. Palm (2005). Aerosol and cloud optical depth from GLAS: Results and verification for an October 2003 California fire smoke case. Geophys. Res. Lett., 32(L22S07).
    10.1029/2005GL023413

    Palm, S., D. Hlavka, W. Hart, J.D. Spinhirne, and A. Benedetti (2005). Validation of ECMWF global forecast model parameters using GLAS atmospheric channel measurements Geophys. Res. Lett., 32(L22S09).
    10.1029/2005GL023535

    Spinhirne J., S. Palm, D. Hlavka, W. 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

    Spinhirne J., E.J. Welton, D. Hlavka, W. Hart, and S. Palm (2005). Cloud and aerosol measurements from GLAS: Overview of initial results Geophys. Res. Lett., 32(L22S03).
    10.1029/2005GL023507

    McGill, M., D. Hlavka, G.M. Heymsfield, L. Li, M.A. Vaughan, L. Tian, P.E. Racette, D.M. Winker, and W. Hart (2004). Combined lidar-radar remote sensing: Initial results from CRYSTAL-FACE and Implications for Future Spaceflight Missions J. Geophys. Res., 109.
    10.1029/2003JD004030

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

    Schmid B., J. Redemann, P.B. Russell, P.V. Hobbs, D. Hlavka, M. McGill, B.N. Holben, E.J. Welton, J. Campbell, O. Torres, R.A. Kahn, D.J. Diner, M.C. Helmlinger, D.A. Chu, C. Robles Gonzalez, and G. de Leeuw (2003). Coordinated airborne, spaceborne, and ground-based measurements of massive, thick, aerosol layers during the dry season in Southern Africa J. Geophys. Res., 108, 8496
    10.1029/2002JD002297

    Schmid B., J. Redemann, P. B. Russell, P. V. Hobbs, D.L. Hlavka, M.J. McGill, B. N. Holben, E.J. Welton, J. R. Campbell, O. Torres, R.A. Kahn, D. J. Diner, M. C. Helmlinger, D. A. 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

    Campbell J.R., D. Hlavka, E.J. Welton, C.J. Flynn, D.D. Turner, J.D. Spinhirne, V.S. Scott, and I.H. Hwang (2002). Full-time, eye-safe cloud and aerosol lidar observation at Atmospheric Radiation Measurement Program sites: Instruments and data processing J. Atmos. Ocea. Tech., 19, 431-442

    McGill, M., D. Hlavka, W. Hart, V.S. Scott, J.D. Spinhirne, and B. Schmid (2002). Cloud Physics Lidar: Instrument description and initial measurement results Appl. Opt., 41, 3725-3734

    Hlavka, D., S. Palm, E.J. Welton, W. Hart, J. Spinhirne, M. 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

    Spinhirne J.D., S. Palm, D. Hlavka, and W. Hart (2001). Verification of Data and Atmospheric Measurements for the 2002 GLAS Orbital Lidar Mission FTS/ORSA Meeting.

    Bergin M.H., S.E. Schwartz, R.N. Halthore, J.A. Ogren, and D. Hlavka (2000). Comparison of aerosol optical depth inferred from surface measurements with that determined by Sun photometry for cloud-free conditions at a continental U.S. site J. Geophys. Res., 105(No. D5), 6807-6816

    Demoz B., D. Starr, D. Whiteman, K. Evans, D. Hlavka, and R. Peravali (2000). Raman LIDAR Detection of Cloud Base Geophys. Res. Lett., 27(No. 13), 1899-1902

    Palm, S., D. 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

    Parikh N.C., F.J. Schmidlin, J.R. Campbell, and D. Hlavka (2000). Calibration of a single-frequency laser radar system for aerosol studies J. Indian Phys. Soc., 4(1), 91-95

    Peppler R. A., C. P. Bahrmann, J. C. Barnard, J. R. Campbell, M. -D. Cheng, R. A. Ferrare, R. N. Halthore, L. A. Heilman, D.L. Hlavka, N. S. Laulainen, C. -J. Lin, J. A. Ogren, M. R. Poellot, L.A. Remer, K. Sassen, J. D. Spinhirne, M. E. Splitt, and D. D. Turner (2000). ARM Southern Great Plains Site observations of the smoke pall associated with the 1998 Central American fires Bull. Amer. Meteor. Soc., 81, 2563-2591

    Peppler R.A., C.P. Bahrmann, J.C. Barnard, J.R. Campbell, M.D. Cheng, R.A. Ferrare, R.N. Halthore, L.A. Heilman, D. Hlavka, N.S. Laulainen, C.J. Lin, J.A. Ogren, M.R. Poellot, L.A. Remer, K. Sassen, J. Spinhirne, M.E. Splitt, and D.D. Turner (2000). ARM Southern Great Plains Site Observations of the Smoke Pall Associated with the 1998 Central American Fires Bull. Amer. Meteor. Soc., 81(11), 2563-2591

    Spinhirne J.D., J. Campbell, D. Hlavka, V.S. Scott, and C.J. Flynn (2000). Autonomous, Full-Time Cloud Profiling at Arm Sites with Micro Pulse Lidar Annual AMS Conference

    Campbell J.R., D. Hlavka, J.D. Spinhirne, and C.J. Flynn (1999). Micro Pulse Lidar Datasets and Initial Observations at Nauru Island ARM Science Team Meeting

    Demoz B., D. Starr, D. Whiteman, K. Evans, D. Hlavka, J. Campbell, G. Schwemmer, M. Cadirola, H. Melfi, and D. Turner (1999). Determination of cloud base height using Raman Lidar Proceedings of the Ninth ARM Science Team Meeting

    Hlavka, D., 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., W. Hart, D. Hlavka, and J.D. Spinhirne (1999). Geoscience Laser Altimeter System (GLAS) Algorithm Theorectical Basis Document (ATBD) for GLAS Atmospheric Data Products, Ver. 2.0

    Palm, S., W. Hart, D. Hlavka, and J.D. Spinhirne (1999). Geoscience Laser Altimeter System (GLAS) Algorithm Theorectical Basis Document (ATBD) for GLAS Atmospheric Data Products, Ver. 3.0

    Parikh N.C., F.J. Schmidlin, J.R. Campbell, and D. Hlavka (1999). Calibration of a Single-Frequency Laser Radar System for Aerosol Studies Atmospheric Research Conference

    Powell D.M., J.A. Reagan, J.D. Spinhirne, J.R. Campbell, D. Hlavka, R.A. Ferrare, D.D. Turner, and C.J. Flynn (1999). Micro Pulse Lidar Slant Sensing Retrieval of Aerosol Optical Properties ARMS Science Team Meeting

    Spinhirne J.D., J.R. Campbell, D. Hlavka, R.A. Ferrare, D.D. Turner, and C.J. Flynn (1999). Aerosol Retrieval Comparison During the SGP Summer 98 IOP from Multiple Lidar Probing Atmospheric Radiation Measurement (ARM) Science Team Meeting

    Spinhirne J.D., D. Hlavka, W. Hart, and D. Duda (1999). Airborne Measurements of Cirrus Reflectance and Heights with Comparison to Polder Observations ALPS '99

    Spinhirne J.D., and D. Hlavka (1999). Vertical Distribution of Aerosol in the Troposphere ALPS '99

    Campbell J.R., D. Hlavka, J.D. Spinhirne, D.D. Turner, and C.J. Flynn (1998). Operational Cloud Boundary Detection and Analysis from Micro Pulse Lidar Data Proceeding of the 8th Meeting of the Atmospheric Radiation Measurement Program

    Campbell J.R., D. Hlavka, J.D. Spinhirne, and D.D. Turner (1998). Operational Processing and Cloud Boundary Detection from Micro Pulse Lidar Data 19th International Laser Radar Conference

    Hlavka, D., J.D. Spinhirne, and J.R. Campbell (1998). Aerosol Analysis Techniques and Results form Micro Pulse Lidar 19th International Laser Radar Conference

    Spinhirne J.D., D. Hlavka, and J.R. Campbell (1998). Optical Properties of the 1997 Smoke Event at the ARM Tropical West Pacific Site Proceeding of the 8th Meeting of the Atmospheric Radiation Measurement Program