Search Results - "Hlavka, Dennis"

Ice nucleation and dehydration in the Tropical Tropopause Layer by Jensen, Eric J., Diskin, Glenn, Lawson, R. Paul, Lance, Sara, Bui, T. Paul, Hlavka, Dennis, McGill, Matthew, Pfister, Leonhard, Toon, Owen B., Gao, Rushan

“…Optically thin cirrus near the tropical tropopause regulate the humidity of air entering the stratosphere, which in turn has a strong influence on the Earth’s…”
Get full text

Airborne validation of spatial properties measured by the CALIPSO lidar by McGill, Matthew J., Vaughan, Mark A., Trepte, Charles R., Hart, William D., Hlavka, Dennis L., Winker, David M., Kuehn, Ralph

“…The Cloud‐Aerosol Lidar Infrared Pathfinder Satellite Observations (CALIPSO) satellite provides a new and exciting opportunity to study clouds and aerosols in…”
Get full text

Ubiquitous influence of waves on tropical high cirrus clouds by Kim, Ji‐Eun, Alexander, M. Joan, Bui, T. Paul, Dean‐Day, Jonathan M., Lawson, R. Paul, Woods, Sarah, Hlavka, Dennis, Pfister, Leonhard, Jensen, Eric J.

“…Cirrus clouds in the tropical tropopause layer (TTL) and water vapor transported into the stratosphere have significant impacts on the global radiation budget…”
Get full text

Air pollution inputs to the Mojave Desert by fusing surface mobile and airborne in situ and airborne and satellite remote sensing: A case study of interbasin transport with numerical model validation by Leifer, Ira, Melton, Christopher, Chatfield, Robert, Cui, Xinguang, Fischer, Marc L., Fladeland, Matthew, Gore, Warren, Hlavka, Dennis L., Iraci, Laura T., Marrero, Josette, Ryoo, Ju-Mee, Tanaka, Tomoaki, Yates, Emma, Yorks, John E.

“…Deserts are fragile and highly sensitive ecosystems that increasingly are affected by upwind urban areas and industrial activities. The Los Angeles Basin (LAB)…”
Get full text

THE NASA AIRBORNE TROPICAL TROPOPAUSE EXPERIMENT: High-Altitude Aircraft Measurements in the Tropical Western Pacific by Jensen, Eric J., Pfister, Leonhard, Jordan, David E., Bui, Thaopaul V., Ueyama, Rei, Singh, Hanwant B., Thornberry, Troy D., Rollins, Andrew W., Gao, Ru-Shan, Fahey, David W., Rosenlof, Karen H., Elkins, James W., Diskin, Glenn S., DiGangi, Joshua P., Lawson, R. Paul, Woods, Sarah, Atlas, Elliot L., Rodriguez, Maria A. Navarro, Wofsy, Steven C., Pittman, Jasna, Bardeen, Charles G., Toon, Owen B., Kindel, Bruce C., Newman, Paul A., McGill, Matthew J., Hlavka, Dennis L., Lait, Leslie R., Schoeberl, Mark R., Bergman, John W., Selkirk, Henry B., Alexander, M. Joan, Kim, Ji-Eun, Lim, Boon H., Stutz, Jochen, Pfeilsticker, Klaus

“…The February–March 2014 deployment of the National Aeronautics and Space Administration (NASA) Airborne Tropical Tropopause Experiment (ATTREX) provided unique…”
Get full text

Polarized view of supercooled liquid water clouds by Alexandrov, Mikhail D., Cairns, Brian, van Diedenhoven, Bastiaan, Ackerman, Andrew S., Wasilewski, Andrzej P., McGill, Matthew J., Yorks, John E., Hlavka, Dennis L., Platnick, Steven E., Arnold, G. Thomas

“…Supercooled liquid water (SLW) clouds, where liquid droplets exist at temperatures below 0°C present a well-known aviation hazard through aircraft icing, in…”
Get full text

Liquid water cloud properties during the Polarimeter Definition Experiment (PODEX) by Alexandrov, Mikhail D, Cairns, Brian, Wasilewski, Andrzej P, Ackerman, Andrew S, McGill, Matthew J, Yorks, John E, Hlavka, Dennis L, Platnick, Steven E, Thomas Arnold, G, van Diedenhoven, Bastiaan, Chowdhary, Jacek, Ottaviani, Matteo, Knobelspiesse, Kirk D

“…We present retrievals of water cloud properties from the measurements made by the Research Scanning Polarimeter (RSP) during the Polarimeter Definition…”
Get full text

ICESat-2 Atmospheric Channel Description, Data Processing and First Results by Palm, Stephen P, Yang, Yuekui, Herzfeld, Ute, Hancock, David, Hayes, Adam, Selmer, Patrick, Hart, William, Hlavka, Dennis

“…The Advanced Topographic Laser Altimeter System (ATLAS) was launched aboard the Ice Cloud and land-Elevation Satellite-2 (ICESat-2) satellite in September…”
Get full text

Airborne validation of cirrus cloud properties derived from CALIPSO lidar measurements: Spatial properties by Yorks, John E., Hlavka, Dennis L., Vaughan, Mark A., McGill, Matthew J., Hart, William D., Rodier, Sharon, Kuehn, Ralph

“…The Cloud‐Aerosol Lidar Infrared Pathfinder Satellite Observations (CALIPSO) satellite was successfully launched in 2006 and has provided an unprecedented…”
Get full text

Use of probability distribution functions for discriminating between cloud and aerosol in lidar backscatter data by Liu, Zhaoyan, Vaughan, Mark A., Winker, David M., Hostetler, Chris A., Poole, Lamont R., Hlavka, Dennis, Hart, William, McGill, Matthew

“…In this paper, we describe the algorithm that will be used during the upcoming Cloud‐Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO)…”
Get full text

Cloud Aerosol Transport System (CATS) 1064 nm Calibration and Validation by Pauly, Rebecca M, Yorks, John E, Hlavka, Dennis L, McGill, Matthew J, Amiridis, Vassilis, Palm, Stephen P, Rodier, Sharon D, Vaughan, Mark A, Selmer, Patrick A, Kupchock, Andrew W, Baars, Holger, Gialitaki, Anna

“…The Cloud-Aerosol Transport System (CATS) lidar on board the International Space Station (ISS) operated from 10 February 2015 to 30 October 2017 providing…”
Get full text

Airborne validation of cirrus cloud properties derived from CALIPSO lidar measurements: Optical properties by Hlavka, Dennis L., Yorks, John E., Young, Stuart A., Vaughan, Mark A., Kuehn, Ralph E., McGill, Matthew J., Rodier, Sharon D.

“…The Cloud‐Aerosol Lidar Infrared Pathfinder Satellite Observations (CALIPSO) satellite was successfully launched in April 2006 to study cloud and aerosol…”
Get full text

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 by Yorks, John E., McGill, Matt, Rodier, Sharon, Vaughan, Mark, Hu, Yongxiang, Hlavka, Dennis

“…Cloud and aerosol effects have a significant impact on the atmospheric radiation budget in the tropical Atlantic because of the spatial and temporal extent of…”
Get full text

Convective and wave signatures in ozone profiles over the equatorial Americas: Views from TC4 2007 and SHADOZ by Thompson, Anne M., MacFarlane, Alaina M., Morris, Gary A., Yorks, John E., Miller, Sonya K., Taubman, Brett F., Verver, Gé, Vömel, Holger, Avery, Melody A., Hair, Johnathan W., Diskin, Glenn S., Browell, Edward V., Canossa, Jéssica Valverde, Kucsera, Tom L., Klich, Christopher A., Hlavka, Dennis L.

“…During the TC4 (Tropical Composition, Clouds, and Climate Coupling) campaign in July–August 2007, daily ozonesondes were launched over coastal Las Tablas,…”
Get full text

Directly measured heating rates of a tropical subvisible cirrus cloud by Bucholtz, Anthony, Hlavka, Dennis L., McGill, Matthew J., Schmidt, K. Sebastian, Pilewskie, Peter, Davis, Sean M., Reid, Elizabeth A., Walker, Annette L.

“…We present the first direct measurements of the infrared and solar heating rates of a tropical subvisible cirrus (SVC) cloud sampled off the east coast of…”
Get full text

Exploring aerosols near clouds with high-spatial-resolution aircraft remote sensing during SEAC 4 RS by Spencer, Robert S, Levy, Robert C, Remer, Lorraine A, Mattoo, Shana, Arnold, George T, Hlavka, Dennis L, Meyer, Kerry G, Marshak, Alexander, Wilcox, Eric M, Platnick, Steven E

“…Since aerosols are important to our climate system, we seek to observe the variability of aerosol properties within cloud systems. When applied to the…”
Get full text

Exploring Aerosols Near Clouds With High‐Spatial‐Resolution Aircraft Remote Sensing During SEAC4RS by Spencer, Robert S., Levy, Robert C., Remer, Lorraine A., Mattoo, Shana, Arnold, George T., Hlavka, Dennis L., Meyer, Kerry G., Marshak, Alexander, Wilcox, Eric M., Platnick, Steven E.

“…Since aerosols are important to our climate system, we seek to observe the variability of aerosol properties within cloud systems. When applied to the…”
Get full text

Cloud and aerosol measurements from GLAS: Overview and initial results by Spinhirne, James D., Palm, Stephen P., Hart, William D., Hlavka, Dennis L., Welton, Ellsworth J.

“…Global space borne lidar profiling of atmospheric clouds and aerosol began in 2003 following the launch of the Geoscience Laser Altimeter System (GLAS) on the…”
Get full text

Simulations of Infrared Radiances Over a Deep Convective Cloud System Observed During TC4: Potential for Enhancing Nocturnal Ice Cloud Retrievals by Minnis, Patrick, Hong, Gang, Ayers, Kirk, Smith, William L., Jr, Yost, Christopher R., Heymsfield, Andrew J., Heymsfield, Gerald M., Hlavka, Dennis L., King, Michael D., Korn, Errol, McGill, Matthew, Selkirk, Henry B., Thompson, Anne M., Tian, Lin, Yang, Ping

“…Retrievals of ice cloud properties using infrared measurements at 3.7, 6.7, 7.3, 8.5, 10.8, and 12.0 microns can provide consistent results regardless of solar…”
Get full text

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) by Yost, Christopher R., Minnis, Patrick, Ayers, J. Kirk, Spangenberg, Douglas A., Heymsfield, Andrew J., Bansemer, Aaron, McGill, Matthew J., Hlavka, Dennis L.

“…One of the main goals of the Tropical Composition, Cloud and Climate Coupling Experiment (TC(sup 4)) during July and August 2007 was to gain a better…”
Get full text