Dr. Welton has specialized in aerosol related research since 1994, particularly characterization of the optical and physical properties of various aerosol species. In addition, he is an expert in the use of lidar and radiometry to retrieve aerosol and cloud properties. He has been active in lidar research since 1996, and is the Principal Investigator for the NASA Micro Pulse Lidar Network (MPLNET) – a federated network of lidar sites around the world. He is also the co-chair of the World Meteorological Organization (WMO) Global Atmospheric Watch (GAW) Aerosol Lidar Observation Network (GALION).
Dr. Welton has been involved in numerous international field campaigns and co-led the development of several international research initiatives. Dr. Welton has also participated in NASA satellite missions as: atmospheric team member on NASA’s Geoscience Laser Altimeter System (GLAS), the Deputy Project Scientist for NASA's Glory mission, the former Project Scientist on the ISS Cloud-Aerosol Transport System - CATS (2011-2013), and is a science team member for the agency’s current lidar mission, CALIPSO. Finally, Dr. Welton is a member of the science working group formulating the Aerosols, Clouds, and Ecosystems (ACE) mission recommended in the 2007 NRC Earth Sciences Decadal report for NASA.
Dr. Welton received a B.S. in Physics in 1993 from Jacksonville University, an M.S. in Physics in 1996 and a Ph.D. in physics in 1998 from the University of Miami. He has been with the Laboratory for Atmospheres at NASA Goddard Space Flight Center since 1999, first as a contractor, then an assistant research professor at the University of Maryland Baltimore County, until he became a NASA civil servant in 2002.
NASA Micro Pulse Lidar Network (MPLNET)
The NASA Micro-Pulse Lidar Network (MPLNET) is a federated network of Micro-Pulse Lidar (MPL) systems designed to measure aerosol and cloud vertical structure continuously, day and night, over long time periods required to contribute to climate change studies and provide ground validation for satellite sensors in the Earth Observing System (EOS) and related aerosol modeling efforts. Most MPLNET sites are co-located with sites in the NASA Aerosol Robotic Network (AERONET). These joint super sites provide both column and vertically resolved aerosol and cloud data, such as: optical depth, single scatter albedo, size distribution, aerosol and cloud layer heights, planetary boundary layer (PBL) structure and evolution, and profiles of extinction and backscatter. MPLNET is a member of the WMO GAW Aerosol Lidar Observation Network (GALION).
mplnet.gsfc.nasa.gov
1998 University of Miami - Physics. PhD
1996 University of Miami - Physics. MS
1993 Jacksonville University - Physics. BS
2000 - present NASA Micro Pulse Lidar Network (MPLNET). Principal Investigator/Project Head
2017 - present WMO Sand and Dust Storm Warning and Advisory System. Pan-American Region Steering Committee Member.
2016 - present WMO Expert Team on Data Centers. Committee Member.
2014 - present WMO Global Atmospheric Watch Aerosol Lidar Observation Network (GALION). Co-Chair.
2011 - present European Project: Aerosols, Clouds, and Trace gases Research Infrastructure Network (ACTRIS). Proposal Reviewer
1996 - present American Geophysical Union. Member.
2007 - 2014 WMO Global Atmospheric Watch Aerosol Lidar Observation Network (GALION). Steering Committee.
2006 - 2014 NRC NASA Decadal Aerosols, Clouds, and Ecosystems (ACE) mission development team
2011 - 2013 NASA ISS Cloud Aerosol Transport System (CATS) Lidar. Project Scientist
2004 - 2013 NASA Goddard Laser Safety Subcommittee
2010 - 2011 NASA Glory Mission. Deputy Project Scientist
2005 - 2006 IPCC 2007. Expert Reviewer
2004 - 2008 NASA Goddard Aerosol Research Group, Aerocenter. Founding Committee Member
2000 - 2006 NASA Geoscience Laser Altimeter System (GLAS) Mission. Atmospheric Science Team
2017 Naval Research Laboratory Alan Berman Research Publication Award
2014 NASA Goddard Honor Award for Exceptional Achievement in Leadership
2014 Naval Research Laboratory Alan Berman Research Publication Award
2011 NASA Group Achievement Award, Glory Project Team
2006 NASA Goddard Laboratory for Atmospheres Peer Award
2005 Federal Laboratory Consortium Regional Excellence in Technology Transfer Award
2005 NASA Goddard Special Act Award
2004 NASA Goddard Laboratory for Atmospheres Peer Award
2003 NASA Goddard Performance Award
2001 NASA Goddard Exceptional Scientific Support Award
1997 Outstanding Student Paper, American Geophysical Union Fall Meeting
1993 William B. Gager Physics Research Award, Jacksonville University
1993 American Institute of Physics, Sigma Pi Sigma Honor Society
01/01/2000 -
NASA Micro Pulse Lidar Network (MPLNET),
NASA
2000 - present
;
Principal Investigator, Project Head
01/01/2011
AERONET/MPLNET SEAC4RS,
NASA
2011 - 2014
;
Co Principal Investigator
01/01/2011
CATS ISS Mission,
NASA
2011 - 2013
;
Project Scientist
01/01/2010
CALIPSO GEOS-5 Analysis,
NASA
2010 - 2013
;
Principal Investigator
01/01/2008
Goddard IRAD, ACE Laser Development,
NASA Goddard
2008 - 2009
;
Principal Investigator
01/01/2007
Goddard IRAD, ACE Multi-Beam Lidar,
NASA Goddard
2007 - 2008
;
Principal Investigator
01/01/2007
DECISIONS, Improvement of PBL Parameterization in NCEP,
NASA
2007 - 2010
;
Co Investigator
01/01/2007
CALIPSO Data Assimilation in NAAPS,
NASA
2007 - 2010
;
Co Investigator
01/01/2007
CALIPSO Data Assimilation in GEOS5,
NASA
2007 - 2010
;
Co Investigator
01/01/2006
Goddard IRAD, Climate 1 Mission,
NASA Goddard
2006 - 2007
;
Co Investigator, Lidar Lead
01/01/2006
Goddard IRAD, Biomm-L,
NASA Goddard
2006 - 2007
;
Co Investigator, Aerosol Applications
01/01/2004
Goddard IRAD, Fiber Laser Development,
NASA Goddard
2004 - 2005
;
Co Investigator
01/01/2003
DECISIONS, AERONET/MPLNET Synergy Tool,
NASA
2003 - 2005
;
Co Investigator
01/01/2001
SIMBIOS Lidar Observations,
NASA
2001 - 2002
;
Co Principal Investigator
Dr. Welton is the author and co-author of over 80 publications with an h-index of 41 (Web of Science, Jan 2023).
Web of Science
Google Scholar
Research Gate
Refereed
Sicard, M., C. Córdoba-Jabonero, A. Barreto, et al. 2022. "Volcanic Eruption of Cumbre Vieja, La Palma, Spain: A First Insight to the Particulate Matter Injected in the Troposphere."
Remote Sensing,
14
(10):
2470
[10.3390/rs14102470]
Osborne, M. J., J. de Leeuw, C. Witham, et al. 2022. "The 2019 Raikoke volcanic eruption – Part 2: Particle-phase dispersion and concurrent wildfire smoke emissions."
Atmospheric Chemistry and Physics,
22
(5):
2975-2997
[10.5194/acp-22-2975-2022]
Loría‐Salazar, S. M., A. M. Sayer, J. Barnes, et al. 2021. "Evaluation of Novel NASA Moderate Resolution Imaging Spectroradiometer and Visible Infrared Imaging Radiometer Suite Aerosol Products and Assessment of Smoke Height Boundary Layer Ratio During Extreme Smoke Events in the Western USA."
Journal of Geophysical Research: Atmospheres,
126
(11):
[10.1029/2020jd034180]
Giles, D. M., A. Sinyuk, M. G. Sorokin, et al. 2019. "Advancements in the Aerosol Robotic Network (AERONET) Version 3 database – automated near-real-time quality control algorithm with improved cloud screening for Sun photometer aerosol optical depth (AOD) measurements."
Atmospheric Measurement Techniques,
12
(1):
169-209
[10.5194/amt-12-169-2019]
Hegarty, J. D., J. Lewis, E. L. McGrath-Spangler, et al. 2018. "Analysis of the Planetary Boundary Layer Height during DISCOVER-AQ Baltimore–Washington, D.C., with Lidar and High-Resolution WRF Modeling."
Journal of Applied Meteorology and Climatology,
57
(11):
2679-2696
[10.1175/jamc-d-18-0014.1]
Lolli, S., P. Di Girolamo, B. Demoz, X. Li, and E. J. Welton. 2017. "Rain evaporation rate estimates from multi-wavelength lidar measurements and intercomparison against a model analytical solution."
Journal of Atmospheric and Oceanic Technology ,
34
(4):
[10.1175/JTECH-D-16-0146.1]
Tsay, S.-C., H. B. Maring, N.-H. Lin, et al. 2016. "Satellite-Surface Perspectives of Air Quality and Aerosol-Cloud Effects on the Environment: An Overview of 7-SEAS/BASELInE."
Aero. Air Qual. Res.,
16
(11):
2581-2602
[10.4209/aaqr.2016.08.0350]
Lee, J., N.-Y. C. Hsu, C. Bettenhausen, et al. 2016. "Evaluating the Height of Biomass Burning Smoke Aerosols Retrieved from Synergistic Use of Multiple Satellite Sensors over Southeast Asia."
Aero. Air Qual. Res.,
16:
2897-2906
[10.4209/aaqr.2015.08.0506]
Lolli, S., J. R. Lewis, E. J. Welton, J. R. Campbell, and Y. Gu. 2016. "Understanding Seasonal Variability in thin Cirrus Clouds from Continuous MPLNET Observations at GSFC in 2012."
EPJ Web of Conferences,
119:
11004
[10.1051/epjconf/201611911004]
Campbell, J. R., S. Lolli, J. R. Lewis, Y. Gu, and E. J. Welton. 2016. "Daytime Cirrus Cloud Top-of-Atmosphere Radiative Forcing Properties at a Midlatitude Site and their Global Consequence."
Journal of Applied Meteorology and Climatology,
JAMC-D-15-0217.1
[10.1175/jamc-d-15-0217.1]
Lolli, S., J. R. Lewis, J. R. Campbell, E. J. Welton, and Y. Gu. 2016. "Cirrus cloud radiative characteristics from continuous MPLNET profiling at GSFC in 2012."
Optica Pura y Aplicada,
49
(1):
1-6
[10.7149/opa.49.1.1]
Campbell, J. R., C. Ge, J. Wang, et al. 2016. "Applying Advanced Ground-Based Remote Sensing in the Southeast Asian Maritime Continent to Characterize Regional Proficiencies in Smoke Transport Modeling."
Journal of Applied Meteorology and Climatology,
55
(1):
3-22
[10.1175/jamc-d-15-0083.1]
Wang, S.-H., E. J. Welton, B. N. Holben, et al. 2015. "Vertical Distribution and Columnar Optical Properties of Springtime Biomass-Burning Aerosols over Northern Indochina during 2014 7-SEAS Campaign."
Aerosol and Air Quality Research,
15:
2037-2050
[10.4209/aaqr.2015.05.0310]
Nowottnick, E. P., P. R. Colarco, E. J. Welton, and A. M. Da Silva. 2015. "Use of the CALIOP vertical feature mask for evaluating global aerosol models."
Atmospheric Measurement Techniques,
8:
3647-3669
[10.5194/amt-8-3647-2015]
Lolli, S., E. J. Welton, J. R. Campbell, et al. 2014. "High Spectral Resolution Lidar and MPLNET Micro Pulse Lidar aerosol optical property retrieval intercomparison during the 2012 7-SEAS field campaign at Singapore."
SPIE Proc. 9246,
[doi:10.1117/12.2067812]
Lolli, S., E. J. Welton, A. Benedetti, et al. 2014. "MPLNET lidar data assimilation in the ECMWF MACC-II Aerosol system: evaluation of model performances at NCU lidar station."
SPIE proc. 9246,
[doi:10.1117/12.2068201]
Tan, F. Y., W. S. Hee, S. L. Hwee, et al. 2014. "Variation in daytime troposphereic aerosol via LIDAR and sunphotometer measurements in Penang, Malaysia."
AIP Conference Proceedings,
1588
(1):
286-292
[10.1063/1.4866962]
Eck, T. F., B. N. Holben, J. S. Reid, et al. 2014. "Observations of rapid aerosol optical depth enhancements in the vicinity of polluted cumulus clouds."
Atmos. Chem. Phys.,
14:
11633-11656
[10.5194/acp-14-11633-2014]
Aryal, R. P., K. J. Voss, W. C. Keene, et al. 2014. "Comparison of surface and column measurements of aerosol scattering properties over the western North Atlantic Ocean at Bermuda."
Atmos. Chem. Phys.,
14:
7617-7629
[10.5194/acp-14-7617-2014]
Matsui, T., C. M. Ichoku, C. A. Randles, et al. 2014. "Current and Future Perspectives of Aerosol Research at NASA Goddard Space Flight Center."
Bulletin of the American Meteorological Society,
early view
[10.1175/ BAMS-D-13-00153.1]
Welton, E. J., and J. R. Campbell. 2013. "Evaluating Light Rain Drop Size Estimates from Multi-Wavelength Micropulse Lidar Network Profiling."
Journal of Atmospheric and Oceanic Technology,
30:
2798-2807.
Lolli, S., E. J. Welton, and J. R. Campbell. 2013. "Evaluating Light Rain Drop Size Estimates from Multi-Wavelength Micropulse Lidar Network Profiling."
Journal of Atmospheric and Oceanic Technology,
30:
2798-2807.
Wang, S.-H., S.-C. Tsay, N.-H. Lin, et al. 2013. "Origin, transport, and vertical distribution of atmospheric pollutants over the northern South China Sea during the 7-SEAS/Dongsha Experiment."
Atmospheric Environment,
78:
124-133
[10.1016/j.atmosenv.2012.11.013]
Reid, J. S., E. J. Hyer, R. S. Johnson, et al. 2013. "Observing and understanding the Southeast Asian aerosol system by remote sensing: An initial review and analysis for the Seven Southeast Asian Studies (7SEAS) program."
Atmospheric Research,
122:
403-468
[10.1016/j.atmosres.2012.06.005]
Tsay, S.-C., N.-Y. C. Hsu, W. K. Lau, et al. 2013. "From BASE-ASIA toward 7-SEAS: A satellite-surface perspective of boreal spring biomass-burning aerosols and clouds in Southeast Asia."
Atmospheric Environment,
78:
20-34
[10.1016/j.atmosenv.2012.12.013]
Salinas, S., B. N. Chew, J. Miettinen, et al. 2013. "Physical and optical characteristics of the October 2010 haze event over Singapore: A photometric and lidar analysis."
Atmospheric Research,
122:
555-570
[10.1016/j.atmosres.2012.05.021]
Lewis, J. R., E. J. Welton, A. M. Molod, and E. Joseph. 2013. "Improved boundary layer depth retrievals from MPLNET."
J. Geophys. Res. Atmos.,
118
(17):
9870-9879
[10.1002/jgrd.50570]
Huang, J., N.-Y. C. Hsu, S.-C. Tsay, et al. 2012. "Evaluations of cirrus contamination and screening in ground aerosol observations using collocated lidar systems."
J. Geophys. Res.,
117
(D15):
D15204
[10.1029/2012JD017757]
Hansell, R. A., S.-C. Tsay, N.-Y. C. Hsu, et al. 2012. "An assessment of the surface longwave direct radiative effect of airborne dust in Zhangye, China, during the Asian Monsoon Years field experiment (2008)."
J. Geophys. Res.,
117
(D16):
D00K39
[10.1029/2011JD017370]
Colarco, P. R., L. A. Remer, R. A. Kahn, R. C. Levy, and E. J. Welton. 2012. "Implications of satellite swath width on global aerosol optical thickness statistics."
Atmos. Meas. Tech. Discuss.,
5
(2):
2795-2820
[10.5194/amtd-5-2795-2012]
Misra, A., S. N. Tripathi, D. S. Kaul, and E. J. Welton. 2012. "Study of MPLNET-Derived Aerosol Climatology over Kanpur, India, and Validation of CALIPSO Level 2 Version 3 Backscatter and Extinction Products."
Journal of Atmospheric and Oceanic Technology,
29
(9):
1285-1294
[10.1175/JTECH-D-11-00162.1]
Campbell, J., E. J. Welton, N. A. Krotkov, et al. 2012. "Likely seeding of cirrus clouds by stratospheric Kasatochi volcanic aerosol particles near a mid-latitude tropopause fold."
Atmospheric Environment,
46:
441-448
[10.1016/j.atmosenv.2011.09.027]
Huang, J., N.-Y. C. Hsu, S.-C. Tsay, et al. 2011. "Susceptibility of aerosol optical thickness retrievals to thin cirrus contamination during the BASE-ASIA campaign."
J. Geophys. Res.,
116
(D8):
D08214
[10.1029/2010JD014910]
Wang, S.-H., S.-C. Tsay, N. Lin, et al. 2011. "First detailed observations of long-range transported dust over the northern South China Sea."
Atmospheric Environment,
45
(27):
4804-4808
[10.1016/j.atmosenv.2011.04.077]
Berkoff, T., S. Mikail, S. Tom, et al. 2011. "Nocturnal Aerosol Optical Depth Measurements with a Small-Aperture Automated Photometer Using the Moon as a Light Source."
Journal of Atmospheric and Oceanic Technology,
28
(10):
1297–1306
[10.1175/JTECH-D-10-05036.1]
Liu, Y., W. Zifeng, W. Jun, et al. 2011. "The effect of aerosol vertical profiles on satellite-estimated surface particle sulfate concentrations."
Remote Sensing of Environment,
115
(2):
508-513
[10.1016/j.rse.2010.09.019]
Chew, B., R. James, S. Jeffery, et al. 2011. "Tropical cirrus cloud contamination in sun photometer data."
Atmospheric Environment,
45
(37):
6724-6731
[10.1016/j.atmosenv.2011.08.017]
Liu, J., Z. Youfei, L. Zhanqing, et al. 2011. "Transport, vertical structure and radiative properties of dust events in southeast China determined from ground and space sensors."
Atmospheric Environment,
45
(35):
6469-6480
[10.1016/j.atmosenv.2011.04.031]
Miller, D., S. Kang, A. Mark, et al. 2011. "Assessing boreal forest fire smoke aerosol impacts on U.S. air quality: A case study using multiple data sets."
J. Geophys. Res.,
116
(D22):
D22209
[10.1029/2011JD016170]
Wang, S.-H., N.-H. Lin, M.-D. Chou, et al. 2010. "Profiling transboundary aerosols over Taiwan and assessing their radiative effects."
J. Geophys. Res.,
115
(D7):
D00K31
[10.1029/2009JD013798]
Campbell, J., E. J. Welton, and J. Spinhirne. 2009. "Continuous Lidar Monitoring of Polar Stratospheric Clouds at the South Pole."
Bulletin of the American Meteorological Society,
90
(5):
613-617
[10.1175/2008BAMS2754.1]
Ganguly, D., P. Ginoux, V. Ramaswamy, et al. 2009. "Inferring the composition and concentration of aerosols by combining AERONET and MPLNET data: Comparison with other measurements and utilization to evaluate GCM output."
J. Geophys. Res.,
114
(D16):
D16203
[10.1029/2009JD011895]
Campbell, J., K. Sassen, and E. J. Welton. 2008. "Elevated Cloud and Aerosol Layer Retrievals from Micropulse Lidar Signal Profiles."
J. Atmos. Ocean. Tech.,
25
(5):
685-700
[10.1175/2007JTECHA1034.1]
Kuzmanoski, M., M. Box, B. Schmid, et al. 2007. "Aerosol properties computed aircraft-based observations during the ACE-Asia campaign: 2. A case study of lidar ratio closure and aerosol radiative effects."
Aerosol Sci Tech,
41
(3):
231-243
[10.1080/02786820601146977]
Lund, M., C. Toledano, G. Myhre, et al. 2007. "Regional aerosol optical properties and radiative impact of the extreme smoke event in the European Arctic in Spring 2006."
J Polar Meteor and Glaciology,
7:
5899-5915.
Myhre, C. L., C. Toledano, G. Myhre, et al. 2007. "Regional aerosol optical properties and radiative impact of the extreme smoke event in the European Arctic in Spring 2006."
J Polar Meteor and Glaciology,
7:
5899-5915.
Shiobara, M., W. D. Hart, J. Campbell, et al. 2006. "Arctic experiment for the ICESat/GLAS ground validation with a Micro-Pulse Lidar at Ny-Alesund, Svalbard."
Polar Meteorol. Glaciol.,
20:
28-39
[Full Text (Link)]
Schmid, B., R. Ferrare, C. Flynn, et al. 2006. "How well do state-of-the-art techniques measuring the vertical profile of tropospheric aerosol extinction compare?"
J Geophys Res,
111
(D05S07):
25 pp.
Schmid, B., R. Ferrare, C. Flynn, et al. 2006. "How well do state-of-the-art techniques measuring the vertical profile of tropospheric aerosol extinction compare?"
J. Geophys. Res.,
111
(D5):
D05S07
[10.1029/2005JD005837]
Torres, O., P. K. Bhartia, A. Syniuk, E. J. Welton, and B. N. Holben. 2005. "Total Ozone Mapping Spectrometer measurements of aerosol absorption from space: Comparison to SAFARI 2000 ground-based observations."
J. Geophys. Res.,
110
(D10):
D10S18
[10.1029/2004JD004611]
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]
Hlavka, D. L., E. J. Welton, M. J. Mcgill, et al. 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]
Quinn, P., D. Coffman, T. Bates, et al. 2004. "Aerosol optical properties measured on board the Ronald H Brown during ACE-Asia as a function of Aerosol chemical composition and source region."
J. Geophys. Res. Atmos.,
109
(D19):
D19S01
[10.1029/2003JD004010]
Kahn, R., J. Anderson, T. Anderson, et al. 2004. "Environmental snapshots from ACE-Asia."
J. Geophys. Res.,
109
(D19):
D19S14
[10.1029/2003JD004339]
Colarco, P. R., M. R. Schoeberl, B. G. Doddridge, et al. 2004. "Transport of smoke from Canadian forest fires to the surface near Washington, D.C.: Injection height, entrainment, and optical properties."
J. Geophys. Res.,
109
(D6):
D06203
[10.1029/2003JD004248]
Schmid, B., J. Redemann, P. Russell, et al. 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]
Livingston, J., P. Russell, J. Reid, et al. 2003. "Airborne Sun photometer measurements of aerosol optical depth and columnar water vapor during the Puerto Rico Dust Experiment and comparison with land, aircraft, and satellite measurements."
J Geophys Res,
108
(D19):
8588
[10.1029/2002JD002520]
Reid, J., J. Kinney, D. Westphal, et al. 2003. "Analysis of measurements of Saharan dust by airborne and ground-based remote sensing methods during the Puerto Rico Dust Experiment (PRIDE)."
J. Geophys. Res.,
108
(D19):
8586
[10.1029/2002JD002493]
Schmid, B., D. Hegg, J. Wang, et al. 2003. "Column closure studies of lower tropospheric aerosol and water vapor during ACE-Asia using airborne Sun photometer and airborne in situ and ship-based lidar measurements."
J. Geophys. Res.,
108
(D23):
8656
[10.1029/2002JD003361]
Markowicz, K., P. Flatau, A. Vogelmann, P. Quinn, and E. J. Welton. 2003. "Clear-sky infrared aerosol radiative forcing at the surface and the top of the atmosphere."
QJR Meteorl Soc,
129
(594):
2927-2947
[10.1256/qj.02.224]
Campbell, J., E. J. Welton, J. Spinhirne, et al. 2003. "Micropulse lidar observations of tropospheric aerosols over northeastern South Africa during the ARREX and SAFARI 2000 dry season experiments."
J Geophys Res,
108
(D13):
8497
[10.1029/2002JD002563]
Colarco, P. R., O. Toon, J. Reid, et al. 2003. "Saharan dust transport to the Caribbean during PRIDE: 2. Transport, vertical profiles, and deposition in simulations of in situ and remote sensing observations."
J. Geophys. Res.,
108
(D19):
8590
[10.1029/2002JD002659]
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]
Wang, J.-J., R. Flagan, J. Seinfeld, et al. 2002. "Clear-column radiative closure during ACE-Asia: Comparison of multiwavelength extinction derived from particle size and composition with results from Sun photometry."
J Geophys Res,
107
(D23):
4688
[10.1029/2002JD002465]
Quinn, P., D. Coffman, T. Bates, et al. 2002. "Aerosol optical properties during INDOEX 1999: Means, variability, and controlling factors."
J. Geophys. Res.,
107
(D19):
8020
[10.1029/2000JD000037]
Welton, E. J., and J. Campbell. 2002. "Micro-Pulse Lidar signals: Uncertainty analysis."
J Atmos Ocea Tech,
19:
2089-2094.
Welton, E. J., K. Voss, P. Quinn, et al. 2002. "Measurements of aerosol vertical profiles and optical properties during INDOEX 1999 using micropulse lidars."
J. Geophys. Res.,
107
(D19):
8019
[10.1029/2000JD000038]
Campbell, J. R., D. L. Hlavka, E. J. Welton, et al. 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
(4):
431-442
[10.1175/1520-0426(2002)019<0431:FTESCA>2.0.CO;2]
Quinn, P., D. Coffman, T. Bates, et al. 2001. "Dominant aerosol chemical components and their contribution to extinction during the Aerosols99 cruise across the Atlantic."
J Geophys Res,
106
(D18):
20783-20809
[10.1029/2000JD900577]
Voss, K., E. J. Welton, P. Quinn, et al. 2001. "Aerosol optical depth measurements during the Aerosols99 experiment."
J Geophys Res,
106
(D18):
20,811-20,820
[10.1029/2000JD900783]
Welton, E. J., J. Campbell, J. Spinhirne, and V. Scott. 2001. "Global Monitoring of clouds and aerolsols using a network of micro-pulse lidar systems in Lidar Remote Sensing for Industry and Enviormental Monitoring."
Proc SPIE,
4153:
151-158.
Voss, K., E. J. Welton, P. Quinn, et al. 2001. "Lidar measurements during Aerosols99."
J Geophys Res,
106:
20821-20832.
Campbell, J. R., E. J. Welton, and J. D. Spinhirne. 2001. "Measurements of Polar Cloud Properties Through Continuous Long-Term Lidar Observation."
Optical Remote Sensing of Atmosphere Meeting,
Coeur d'Alene, ID.
Schmid, B., J. Livingston, P. B. Russell, et al. 2000. "Clear-sky closure studies of lower tropospheric aerosol and water vapor during ACE-2 using airborne sunphotometer, airborne in-situ, space-borne, and ground-based measurements."
Tellus B,
52
(2):
568-593
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Welton, E. J., K. Voss, H. Gordon, et al. 2000. "Ground-Based Lidar Measurements of Aerosols During ACE-2: Instrument Description Results and Comparisons with other Ground-Based Airborne Measurements."
Tellus B,
52:
635-650.
Ackerman, A. S., O. Toon, D. Stevens, et al. 2000. "Reduction of Tropical Cloudiness by Soot."
Science,
288
(5468):
1042-1047
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Smirnov, A., B. N. Holben, I. Slutsker, E. J. Welton, and P. Formenti. 1998. "Optical Properties of Saharan Dust During ACE-2."
J Geophysical Research,
103:
28078-28092.
Non-Refereed
Spinhirne, J., S. P. Palm, D. L. Hlavka, et al. 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. 2001. "Global Lidar Measurements of Clouds and Aerosols from Space Using the Geoscience Laser Altimeter System (GLAS)."
2001 AGU Fall Meeting
San Francisco, CA.
Welton, E. J., J. D. Spinhirne, J. R. Campbell, T. A. Berkoff, and D. Bates. 2001. "Measurements of the Vertical Structure of Aerosol and Clouds Over the Ocean using Micro-Pulse LIDAR Systems."
SIMBIOS Project Annual Report
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.
Welton, E. J., P. J. Flatau, K. J. Voss, et al. 1999. "Measurements of the Vertical Distribution of Aerosols and Clouds During INDOEX 1999 Using Micro-pulse Lidars."
1999 AGU Fall Meeting
San Francisco, CA.
Refereed
Sicard, M., C. Córdoba-Jabonero, A. Barreto, et al. 2022. "Volcanic Eruption of Cumbre Vieja, La Palma, Spain: A First Insight to the Particulate Matter Injected in the Troposphere."
Remote Sensing
14
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2470
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Osborne, M. J., J. de Leeuw, C. Witham, et al. 2022. "The 2019 Raikoke volcanic eruption – Part 2: Particle-phase dispersion and concurrent wildfire smoke emissions."
Atmospheric Chemistry and Physics
22
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2975-2997
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Loría‐Salazar, S. M., A. M. Sayer, J. Barnes, et al. 2021. "Evaluation of Novel NASA Moderate Resolution Imaging Spectroradiometer and Visible Infrared Imaging Radiometer Suite Aerosol Products and Assessment of Smoke Height Boundary Layer Ratio During Extreme Smoke Events in the Western USA."
Journal of Geophysical Research: Atmospheres
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Giles, D. M., A. Sinyuk, M. G. Sorokin, et al. 2019. "Advancements in the Aerosol Robotic Network (AERONET) Version 3 database – automated near-real-time quality control algorithm with improved cloud screening for Sun photometer aerosol optical depth (AOD) measurements."
Atmospheric Measurement Techniques
12
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Hegarty, J. D., J. Lewis, E. L. McGrath-Spangler, et al. 2018. "Analysis of the Planetary Boundary Layer Height during DISCOVER-AQ Baltimore–Washington, D.C., with Lidar and High-Resolution WRF Modeling."
Journal of Applied Meteorology and Climatology
57
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2679-2696
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Lolli, S., P. Di Girolamo, B. Demoz, X. Li, and E. J. Welton. 2017. "Rain evaporation rate estimates from multi-wavelength lidar measurements and intercomparison against a model analytical solution."
Journal of Atmospheric and Oceanic Technology
34
(4):
[10.1175/JTECH-D-16-0146.1]
Tsay, S.-C., H. B. Maring, N.-H. Lin, et al. 2016. "Satellite-Surface Perspectives of Air Quality and Aerosol-Cloud Effects on the Environment: An Overview of 7-SEAS/BASELInE."
Aero. Air Qual. Res.
16
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2581-2602
[10.4209/aaqr.2016.08.0350]
Lee, J., N.-Y. C. Hsu, C. Bettenhausen, et al. 2016. "Evaluating the Height of Biomass Burning Smoke Aerosols Retrieved from Synergistic Use of Multiple Satellite Sensors over Southeast Asia."
Aero. Air Qual. Res.
16
2897-2906
[10.4209/aaqr.2015.08.0506]
Lolli, S., J. R. Lewis, E. J. Welton, J. R. Campbell, and Y. Gu. 2016. "Understanding Seasonal Variability in thin Cirrus Clouds from Continuous MPLNET Observations at GSFC in 2012."
EPJ Web of Conferences
119
11004
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Campbell, J. R., S. Lolli, J. R. Lewis, Y. Gu, and E. J. Welton. 2016. "Daytime Cirrus Cloud Top-of-Atmosphere Radiative Forcing Properties at a Midlatitude Site and their Global Consequence."
Journal of Applied Meteorology and Climatology
JAMC-D-15-0217.1
[10.1175/jamc-d-15-0217.1]
Lolli, S., J. R. Lewis, J. R. Campbell, E. J. Welton, and Y. Gu. 2016. "Cirrus cloud radiative characteristics from continuous MPLNET profiling at GSFC in 2012."
Optica Pura y Aplicada
49
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Campbell, J. R., C. Ge, J. Wang, et al. 2016. "Applying Advanced Ground-Based Remote Sensing in the Southeast Asian Maritime Continent to Characterize Regional Proficiencies in Smoke Transport Modeling."
Journal of Applied Meteorology and Climatology
55
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3-22
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Wang, S.-H., E. J. Welton, B. N. Holben, et al. 2015. "Vertical Distribution and Columnar Optical Properties of Springtime Biomass-Burning Aerosols over Northern Indochina during 2014 7-SEAS Campaign."
Aerosol and Air Quality Research
15
2037-2050
[10.4209/aaqr.2015.05.0310]
Nowottnick, E. P., P. R. Colarco, E. J. Welton, and A. M. Da Silva. 2015. "Use of the CALIOP vertical feature mask for evaluating global aerosol models."
Atmospheric Measurement Techniques
8
3647-3669
[10.5194/amt-8-3647-2015]
Lolli, S., E. J. Welton, J. R. Campbell, et al. 2014. "High Spectral Resolution Lidar and MPLNET Micro Pulse Lidar aerosol optical property retrieval intercomparison during the 2012 7-SEAS field campaign at Singapore."
SPIE Proc. 9246
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Lolli, S., E. J. Welton, A. Benedetti, et al. 2014. "MPLNET lidar data assimilation in the ECMWF MACC-II Aerosol system: evaluation of model performances at NCU lidar station."
SPIE proc. 9246
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Tan, F. Y., W. S. Hee, S. L. Hwee, et al. 2014. "Variation in daytime troposphereic aerosol via LIDAR and sunphotometer measurements in Penang, Malaysia."
AIP Conference Proceedings
1588
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Eck, T. F., B. N. Holben, J. S. Reid, et al. 2014. "Observations of rapid aerosol optical depth enhancements in the vicinity of polluted cumulus clouds."
Atmos. Chem. Phys.
14
11633-11656
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Aryal, R. P., K. J. Voss, W. C. Keene, et al. 2014. "Comparison of surface and column measurements of aerosol scattering properties over the western North Atlantic Ocean at Bermuda."
Atmos. Chem. Phys.
14
7617-7629
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Matsui, T., C. M. Ichoku, C. A. Randles, et al. 2014. "Current and Future Perspectives of Aerosol Research at NASA Goddard Space Flight Center."
Bulletin of the American Meteorological Society
early view
[10.1175/ BAMS-D-13-00153.1]
Welton, E. J., and J. R. Campbell. 2013. "Evaluating Light Rain Drop Size Estimates from Multi-Wavelength Micropulse Lidar Network Profiling."
Journal of Atmospheric and Oceanic Technology
30
2798-2807
Lolli, S., E. J. Welton, and J. R. Campbell. 2013. "Evaluating Light Rain Drop Size Estimates from Multi-Wavelength Micropulse Lidar Network Profiling."
Journal of Atmospheric and Oceanic Technology
30
2798-2807
Wang, S.-H., S.-C. Tsay, N.-H. Lin, et al. 2013. "Origin, transport, and vertical distribution of atmospheric pollutants over the northern South China Sea during the 7-SEAS/Dongsha Experiment."
Atmospheric Environment
78
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Reid, J. S., E. J. Hyer, R. S. Johnson, et al. 2013. "Observing and understanding the Southeast Asian aerosol system by remote sensing: An initial review and analysis for the Seven Southeast Asian Studies (7SEAS) program."
Atmospheric Research
122
403-468
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Tsay, S.-C., N.-Y. C. Hsu, W. K. Lau, et al. 2013. "From BASE-ASIA toward 7-SEAS: A satellite-surface perspective of boreal spring biomass-burning aerosols and clouds in Southeast Asia."
Atmospheric Environment
78
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Salinas, S., B. N. Chew, J. Miettinen, et al. 2013. "Physical and optical characteristics of the October 2010 haze event over Singapore: A photometric and lidar analysis."
Atmospheric Research
122
555-570
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Lewis, J. R., E. J. Welton, A. M. Molod, and E. Joseph. 2013. "Improved boundary layer depth retrievals from MPLNET."
J. Geophys. Res. Atmos.
118
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9870-9879
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Huang, J., N.-Y. C. Hsu, S.-C. Tsay, et al. 2012. "Evaluations of cirrus contamination and screening in ground aerosol observations using collocated lidar systems."
J. Geophys. Res.
117
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Hansell, R. A., S.-C. Tsay, N.-Y. C. Hsu, et al. 2012. "An assessment of the surface longwave direct radiative effect of airborne dust in Zhangye, China, during the Asian Monsoon Years field experiment (2008)."
J. Geophys. Res.
117
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D00K39
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Colarco, P. R., L. A. Remer, R. A. Kahn, R. C. Levy, and E. J. Welton. 2012. "Implications of satellite swath width on global aerosol optical thickness statistics."
Atmos. Meas. Tech. Discuss.
5
(2):
2795-2820
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Misra, A., S. N. Tripathi, D. S. Kaul, and E. J. Welton. 2012. "Study of MPLNET-Derived Aerosol Climatology over Kanpur, India, and Validation of CALIPSO Level 2 Version 3 Backscatter and Extinction Products."
Journal of Atmospheric and Oceanic Technology
29
(9):
1285-1294
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Campbell, J., E. J. Welton, N. A. Krotkov, et al. 2012. "Likely seeding of cirrus clouds by stratospheric Kasatochi volcanic aerosol particles near a mid-latitude tropopause fold."
Atmospheric Environment
46
441-448
[10.1016/j.atmosenv.2011.09.027]
Huang, J., N.-Y. C. Hsu, S.-C. Tsay, et al. 2011. "Susceptibility of aerosol optical thickness retrievals to thin cirrus contamination during the BASE-ASIA campaign."
J. Geophys. Res.
116
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Wang, S.-H., S.-C. Tsay, N. Lin, et al. 2011. "First detailed observations of long-range transported dust over the northern South China Sea."
Atmospheric Environment
45
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4804-4808
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Berkoff, T., S. Mikail, S. Tom, et al. 2011. "Nocturnal Aerosol Optical Depth Measurements with a Small-Aperture Automated Photometer Using the Moon as a Light Source."
Journal of Atmospheric and Oceanic Technology
28
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Liu, Y., W. Zifeng, W. Jun, et al. 2011. "The effect of aerosol vertical profiles on satellite-estimated surface particle sulfate concentrations."
Remote Sensing of Environment
115
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508-513
[10.1016/j.rse.2010.09.019]
Chew, B., R. James, S. Jeffery, et al. 2011. "Tropical cirrus cloud contamination in sun photometer data."
Atmospheric Environment
45
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6724-6731
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Liu, J., Z. Youfei, L. Zhanqing, et al. 2011. "Transport, vertical structure and radiative properties of dust events in southeast China determined from ground and space sensors."
Atmospheric Environment
45
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6469-6480
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Miller, D., S. Kang, A. Mark, et al. 2011. "Assessing boreal forest fire smoke aerosol impacts on U.S. air quality: A case study using multiple data sets."
J. Geophys. Res.
116
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Wang, S.-H., N.-H. Lin, M.-D. Chou, et al. 2010. "Profiling transboundary aerosols over Taiwan and assessing their radiative effects."
J. Geophys. Res.
115
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D00K31
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Campbell, J., E. J. Welton, and J. Spinhirne. 2009. "Continuous Lidar Monitoring of Polar Stratospheric Clouds at the South Pole."
Bulletin of the American Meteorological Society
90
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613-617
[10.1175/2008BAMS2754.1]
Ganguly, D., P. Ginoux, V. Ramaswamy, et al. 2009. "Inferring the composition and concentration of aerosols by combining AERONET and MPLNET data: Comparison with other measurements and utilization to evaluate GCM output."
J. Geophys. Res.
114
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Campbell, J., K. Sassen, and E. J. Welton. 2008. "Elevated Cloud and Aerosol Layer Retrievals from Micropulse Lidar Signal Profiles."
J. Atmos. Ocean. Tech.
25
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Kuzmanoski, M., M. Box, B. Schmid, et al. 2007. "Aerosol properties computed aircraft-based observations during the ACE-Asia campaign: 2. A case study of lidar ratio closure and aerosol radiative effects."
Aerosol Sci Tech
41
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231-243
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Lund, M., C. Toledano, G. Myhre, et al. 2007. "Regional aerosol optical properties and radiative impact of the extreme smoke event in the European Arctic in Spring 2006."
J Polar Meteor and Glaciology
7
5899-5915
Myhre, C. L., C. Toledano, G. Myhre, et al. 2007. "Regional aerosol optical properties and radiative impact of the extreme smoke event in the European Arctic in Spring 2006."
J Polar Meteor and Glaciology
7
5899-5915
Shiobara, M., W. D. Hart, J. Campbell, et al. 2006. "Arctic experiment for the ICESat/GLAS ground validation with a Micro-Pulse Lidar at Ny-Alesund, Svalbard."
Polar Meteorol. Glaciol.
20
28-39
[Full Text (Link)]
Schmid, B., R. Ferrare, C. Flynn, et al. 2006. "How well do state-of-the-art techniques measuring the vertical profile of tropospheric aerosol extinction compare?"
J Geophys Res
111
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25 pp
Schmid, B., R. Ferrare, C. Flynn, et al. 2006. "How well do state-of-the-art techniques measuring the vertical profile of tropospheric aerosol extinction compare?"
J. Geophys. Res.
111
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Torres, O., P. K. Bhartia, A. Syniuk, E. J. Welton, and B. N. Holben. 2005. "Total Ozone Mapping Spectrometer measurements of aerosol absorption from space: Comparison to SAFARI 2000 ground-based observations."
J. Geophys. Res.
110
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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]
Hlavka, D. L., E. J. Welton, M. J. Mcgill, et al. 2005. "Aerosol and cloud optical depth from GLAS: Results and verification for an October 2003 California fire smoke case."
Geophysical Research Letters
32
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L22S07
[10.1029/2005GL023413]
Quinn, P., D. Coffman, T. Bates, et al. 2004. "Aerosol optical properties measured on board the Ronald H Brown during ACE-Asia as a function of Aerosol chemical composition and source region."
J. Geophys. Res. Atmos.
109
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Kahn, R., J. Anderson, T. Anderson, et al. 2004. "Environmental snapshots from ACE-Asia."
J. Geophys. Res.
109
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D19S14
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Colarco, P. R., M. R. Schoeberl, B. G. Doddridge, et al. 2004. "Transport of smoke from Canadian forest fires to the surface near Washington, D.C.: Injection height, entrainment, and optical properties."
J. Geophys. Res.
109
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D06203
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Schmid, B., J. Redemann, P. Russell, et al. 2003. "Coordinated airborne, spaceborne, and ground-based measurements of massive thick aerosol layers during the dry season in southern Africa."
J. Geophys. Res.
108
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8496
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Livingston, J., P. Russell, J. Reid, et al. 2003. "Airborne Sun photometer measurements of aerosol optical depth and columnar water vapor during the Puerto Rico Dust Experiment and comparison with land, aircraft, and satellite measurements."
J Geophys Res
108
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8588
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Reid, J., J. Kinney, D. Westphal, et al. 2003. "Analysis of measurements of Saharan dust by airborne and ground-based remote sensing methods during the Puerto Rico Dust Experiment (PRIDE)."
J. Geophys. Res.
108
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Schmid, B., D. Hegg, J. Wang, et al. 2003. "Column closure studies of lower tropospheric aerosol and water vapor during ACE-Asia using airborne Sun photometer and airborne in situ and ship-based lidar measurements."
J. Geophys. Res.
108
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Markowicz, K., P. Flatau, A. Vogelmann, P. Quinn, and E. J. Welton. 2003. "Clear-sky infrared aerosol radiative forcing at the surface and the top of the atmosphere."
QJR Meteorl Soc
129
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[10.1256/qj.02.224]
Campbell, J., E. J. Welton, J. Spinhirne, et al. 2003. "Micropulse lidar observations of tropospheric aerosols over northeastern South Africa during the ARREX and SAFARI 2000 dry season experiments."
J Geophys Res
108
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8497
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Colarco, P. R., O. Toon, J. Reid, et al. 2003. "Saharan dust transport to the Caribbean during PRIDE: 2. Transport, vertical profiles, and deposition in simulations of in situ and remote sensing observations."
J. Geophys. Res.
108
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8590
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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]
Wang, J.-J., R. Flagan, J. Seinfeld, et al. 2002. "Clear-column radiative closure during ACE-Asia: Comparison of multiwavelength extinction derived from particle size and composition with results from Sun photometry."
J Geophys Res
107
(D23):
4688
[10.1029/2002JD002465]
Quinn, P., D. Coffman, T. Bates, et al. 2002. "Aerosol optical properties during INDOEX 1999: Means, variability, and controlling factors."
J. Geophys. Res.
107
(D19):
8020
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Welton, E. J., and J. Campbell. 2002. "Micro-Pulse Lidar signals: Uncertainty analysis."
J Atmos Ocea Tech
19
2089-2094
Welton, E. J., K. Voss, P. Quinn, et al. 2002. "Measurements of aerosol vertical profiles and optical properties during INDOEX 1999 using micropulse lidars."
J. Geophys. Res.
107
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8019
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Campbell, J. R., D. L. Hlavka, E. J. Welton, et al. 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
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431-442
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Quinn, P., D. Coffman, T. Bates, et al. 2001. "Dominant aerosol chemical components and their contribution to extinction during the Aerosols99 cruise across the Atlantic."
J Geophys Res
106
(D18):
20783-20809
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Voss, K., E. J. Welton, P. Quinn, et al. 2001. "Aerosol optical depth measurements during the Aerosols99 experiment."
J Geophys Res
106
(D18):
20,811-20,820
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Welton, E. J., J. Campbell, J. Spinhirne, and V. Scott. 2001. "Global Monitoring of clouds and aerolsols using a network of micro-pulse lidar systems in Lidar Remote Sensing for Industry and Enviormental Monitoring."
Proc SPIE
4153
151-158
Voss, K., E. J. Welton, P. Quinn, et al. 2001. "Lidar measurements during Aerosols99."
J Geophys Res
106
20821-20832
Campbell, J. R., E. J. Welton, and J. D. Spinhirne. 2001. "Measurements of Polar Cloud Properties Through Continuous Long-Term Lidar Observation."
Optical Remote Sensing of Atmosphere Meeting
Schmid, B., J. Livingston, P. B. Russell, et al. 2000. "Clear-sky closure studies of lower tropospheric aerosol and water vapor during ACE-2 using airborne sunphotometer, airborne in-situ, space-borne, and ground-based measurements."
Tellus B
52
(2):
568-593
[10.1034/j.1600-0889.2000.00009.x]
Welton, E. J., K. Voss, H. Gordon, et al. 2000. "Ground-Based Lidar Measurements of Aerosols During ACE-2: Instrument Description Results and Comparisons with other Ground-Based Airborne Measurements."
Tellus B
52
635-650
Ackerman, A. S., O. Toon, D. Stevens, et al. 2000. "Reduction of Tropical Cloudiness by Soot."
Science
288
(5468):
1042-1047
[10.1126/science.288.5468.1042]
Smirnov, A., B. N. Holben, I. Slutsker, E. J. Welton, and P. Formenti. 1998. "Optical Properties of Saharan Dust During ACE-2."
J Geophysical Research
103
28078-28092
Non-Refereed
Spinhirne, J., S. P. Palm, D. L. Hlavka, et al. 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. 2001. "Global Lidar Measurements of Clouds and Aerosols from Space Using the Geoscience Laser Altimeter System (GLAS)."
2001 AGU Fall Meeting
Welton, E. J., J. D. Spinhirne, J. R. Campbell, T. A. Berkoff, and D. Bates. 2001. "Measurements of the Vertical Structure of Aerosol and Clouds Over the Ocean using Micro-Pulse LIDAR Systems."
SIMBIOS Project Annual Report
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
Welton, E. J., P. J. Flatau, K. J. Voss, et al. 1999. "Measurements of the Vertical Distribution of Aerosols and Clouds During INDOEX 1999 Using Micro-pulse Lidars."
1999 AGU Fall Meeting
