Jacquelyn Witte

Mgr Tech Facility

Information

Bio

Jacquie Witte is a research scientist that started her career at NASA Goddard Space Flight Center in the Atmospheric Chemistry & Dynamics Lab. While there she developed expertise in analyzing ozone, aerosol, and related trace gases (CO, CH4, VOCs, NO2, SO2) signatures from ground-based instruments and those flown on spacecraft, aircraft, and balloons. In particular, Jacquie was the founding archiver and data manager for the SHADOZ (Southern Hemisphere Additional Ozonesondes) project: an international effort to improve our understanding of ozone vertical distribution in the tropics - an area poorly sampled by existing measuring systems. She went on to focus on developing reprocessing and uncertainty analysis of ozonesonde data records for satellite and model validation, and complementing trend assessments.

Currently, Jacquie is applying all the skills she has learned during her tenure at GSFC as the data manager for the In-situ Sensing Facility at EOL. This is a position that leads the data management activities for all ISF platforms including data collection, processing, storage, retrieval, and distribution. She works closely with staff to define procedures and develop best practices of our data workflow.

Publications

Thompson, A. M., Stauffer, R. M., Wargan, K., Witte, J. C., Kollonige, D. E., & Ziemke, J. R. (2021). Regional and seasonal trends in tropical ozone from SHADOZ profiles: Reference for models and satellite products. Journal of Geophysical Research: Atmospheres, 126, e2021JD034691. https://doi.org/10.1029/2021JD034691

Vömel, H., Goodstein, M., Tudor, L., Witte, J., Fuchs-Stone, Ž., Sentić, S., … Whitaker, J. W. (2021). High-resolution in situ observations of atmospheric thermodynamics using dropsondes during the Organization of Tropical East Pacific Convection (OTREC) field campaign. Earth System Science Data, 13, 1107-1117. https://doi.org/10.5194/essd-13-1107-2021

Tarasick, D. W., Smit, H. G. J., Thompson, A. M., Morris, G. A., Witte, J. C., Davies, J., … Vömel, H. (2021). Improving ECC ozonesonde data quality: Assessment of current methods and outstanding issues. Earth And Space Science, 8. https://doi.org/10.1029/2019EA000914

Vömel, H., Smit, H. G. J., Tarasick, D., Johnson, B., Oltmans, S. J., Selkirk, H., Thompson, A. M., Stauffer, R. M., Witte, J. C., … Stübi, R. (2020). A new method to correct the electrochemical concentration cell (ECC) ozonesonde time response and its implications for “background current” and pump efficiency. Atmospheric Measurement Techniques, 13, 5667-5680. https://doi.org/10.5194/amt-13-5667-2020

Bourgeois, I., Peischl, J., Thompson, C. R., ... Witte, J. C., Wofsy, S. C., and Ryerson, T. B. (2020). Global-scale distribution of ozone in the remote troposphere from the ATom and HIPPO airborne field missions. Atmospheric Chemistry And Physics, 20, 10611-10635. https://doi.org/10.5194/acp-20-10611-2020

Stauffer, R. M., Thompson, A. M., Kollonige, D. E., Witte, J. C., Tarasick, D. W., Davies, J., … Smit, H. G. J. (2020). A post-2013 dropoff in total ozone at a third of global ozonesonde stations: Electrochemical concentration cell instrument artifacts? Geophysical Research Letters, 47, e2019GL086791. https://doi.org/10.1029/2019GL086791

Witte, J. C., A. M. Thompson, F. J. Schmidlin, E. T. Northam, K. R. Wolff, and G. B. Brothers (2019), The NASA Wallops Flight Facility Digital Ozonesonde Record: Reprocessing, Uncertainties, and Dual Launches, , J. Geophys. Res. Atmos., https://doi.org/10.1029/2018JD030098.

Thompson, A. M., H. G. J. Smit, J. C. Witte, et al. (2019), Ozonesonde Quality Assurance: The JOSIE-SHADOZ (2017), Experience, Bulletin of the American Meteorological Society, https://doi.org/10.1175/BAMS-D-17-0311.1.

Ziemke, J. R., Oman, L. D., Strode, S. A., Douglass, A. R., Olsen, M. A., McPeters, R. D., Bhartia, P. K., Froidevaux, L., Labow, G. J., Witte, J. C., et al. (2019), Trends in global tropospheric ozone inferred from a composite record of TOMS/OMI/MLS/OMPS satellite measurements and the MERRA-2 GMI simulation , Atmos. Chem. Phys., 19, 3257-3269, https://doi.org/10.5194/acp-19-3257-2019, 2019.

Stauffer, R. M., A. M. Thompson, and J. C. Witte (2018), Characterizing global ozonesonde profile variability from surface to the UT/LS with a clustering technique and MERRA‐2 reanalysis. Journal of Geophysical Research: Atmospheres, 123. https://doi.org/10.1029/2018JD028465.

Witte, J. C., A. M. Thompson, H. G. J. Smit, H. Vomel, F. Posny, and R. Stuebi (2017), First Reprocessing of Southern Hemisphere ADditional OZonesondes (SHADOZ) Profile Records. 3. Uncertainty in ozone profile and total column, J. Geophys. Res. Atmos., 123, 3243–3268. https://doi.org/10.1002/2017JD027791.

Witte, J. C., Thompson, A. M. et al. (2017), First reprocessing of Southern Hemisphere ADditional OZonesondes (SHADOZ) profile records (1998–2015): 1. Methodology and evaluation, J. Geophys. Res. Atmos., 122, 6611–6636, https://doi.org/10.1002/2016JD026403.

Thompson, A. M., J. C.Witte, et al. (2017), First Reprocessing of Southern Hemisphere Additional Ozonesondes (SHADOZ) Ozone Profiles (1998-2015). 2. Comparisons with Satellites and Ground-based Instruments, J. Geophys. Res. Atmos., 122, https://doi.org/10.1002/ 2017JD027406.

Stuaffer, R. M, A. M. Thompson, and J. C. Witte (2017), A Geophysically-based Ozone Profile Climatology using Ozonesondes and MERRA-2 Reanalyses, J. Geophys. Res. Atmos., https://doi.org/10.1002/2017JD027774.

Sterling, C. W., B. J. Johnson, S. J. Oltmans, H. G. J. Smit, A. F. Jordan, P. D. Cullis, E. G. Hall, A. M. Thompson, A. M., and J. C. Witte (2018), Homogenizing and estimating the uncertainty in NOAA's long-term vertical ozone profile records measured with the electrochemical concentration cell ozonesonde, Atmos. Meas. Tech., 11, 3661-3687, https://doi.org/10.5194/amt-11-3661-2018.

Huang, G., et al. (2017), Validation of 10-year SAO OMI Ozone Profile (PROFOZ) product using ozonesonde observations, Atmos. Meas. Tech., 10, 2455-2475, https://doi.org/10.5194/amt-10-2455-2017.

Witte, J. C., G. Bodeker, R. Querel, and A. M. Thompson (2016) GRUAN Ozonesonde Technical Document, under review. A copy can be downloaded from https://tropo.gsfc.nasa.gov/shadoz under ‘Papers’ link.

Wargan, K., S. Pawson, M. A. Olsen, J. C. Witte, A. R. Douglass, J. R. Ziemke, S. E. Strahan, and J. E. Nielsen (2015), The global structure of upper troposphere-lower stratosphere ozone in GEOS-5: A multiyear assimilation of EOS Aura data. J. Geophys. Res. Atmos., 120: 2013–2036. https://doi.org/10.1002/2014JD022493.

Strode, S. A., J. M. Rodriguez, J. A. Logan, O. R. Cooper, J. C. Witte, L. N. Lamsal, M. Damon, B. Van Aartsen, S. D. Steenrod, and S. E. Strahan (2015), Trends and variability in surface ozone over the United States, J. Geophys. Res. Atmos., 120, 9020–9042, https://doi.org/10.1002/2014JD022784.

Ziemke, J. R., M. A. Olsen, J. C. Witte, et al. (2014), Assessment and applications of NASA ozone data products derived from Aura OMI/MLS satellite measurements in context of the GMI chemical transport model, J. Geophys. Res. Atmos., 119, 5671–5699, https://doi.org/10.1002/2013JD020914.

Thompson, A. M., N. V. Balashov, J. C. Witte, J. G. R. Coetzee, V. Thouret, and F. Posny (2014), Tropospheric ozone increases over the southern Africa region: bellwether for rapid growth in Southern Hemisphere pollution?, Atmos. Chem. Phys., 14, 9855-9869, https://doi.org/10.5194/acp-14-9855-2014.

Thompson, A. M., S. K. Miller, S. Tilmes, D. W. Kollonige, J. C. Witte, et al. (2012), Southern Hemisphere Additional Ozonesondes (SHADOZ) ozone climatology (2005–2009): Tropospheric and tropical tropopause layer (TTL) profiles with comparisons to OMI-based ozone products, J. Geophys. Res., 117, D23301, https://doi.org/10.1029/2011JD016911.

Witte, J. C., Douglass, A. R., da Silva, A., Torres, O., Levy, R., and Duncan, B. N. (2011), NASA A-Train and Terra observations of the 2010 Russian wildfires, Atmos. Chem. Phys., 11, 9287-9301, https://doi.org/10.5194/acp-11-9287-2011.

Witte, J. C., B. N. Duncan, A. R. Douglass, T.P. Kurosu, K. Chance, and C. Retscher, The unique OMI HCHO/NO2 feature during the 2008 Beijing Olympics: Implications for ozone production sensitivity, Atmospheric Environment (2011), 45(18), 3103–3111, https://doi.org/10.1016/j.atmosenv.2011.03.015.

Thompson, A. M., S. J. Oltmans, D. W. Tarasick, P. von der Gathen, H. G. J. Smit, and J. C. Witte, Strategic ozone sounding networks: Review of design and accomplishments (2010), Atmospheric Environment, 45(13), 2145–2163, https://doi.org/10.1016/j.atmosenv.2010.05.002.

Thompson, A. M., A. L. Allen, S. Lee, S. K. Miller, and J. C. Witte (2011), Gravity and Rossby wave signatures in the tropical troposphere and lower stratosphere based on Southern Hemisphere Additional Ozonesondes (SHADOZ), 1998–2007, J. Geophys. Res., 116, D05302, https://doi.org/10.1029/2009JD013429.

Dupuy, E., et al. (2011), Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE), Atmos. Chem. Phys., 9, 287-343, doi:10.5194/acp-9-287-2009, 2009. Ziemke, J. R., Chandra, S., Labow, G. J., Bhartia, P. K., Froidevaux, L., and Witte, J. C.: A global climatology of tropospheric and stratospheric ozone derived from Aura OMI and MLS measurements, Atmos. Chem. Phys., 11, 9237- 9251, https://doi.org/10.5194/acp-11-9237-2011.

Witte J. C., M. R. Schoeberl, A. R. Douglass, J. F. Gleason, N. A. Krotkov, J. C. Gille, K. E. Pickering, N. Livesey (2009), Satellite observations of changes in air quality during the 2008 Beijing Olympics and Paralympics, Geophys. Res. Lett., 36, L17803, https://doi.org/10.1029/2009GL039236.

Parrington M., D. B. A. Jones, K. W. Bowman, A. M. Thompson, D. W. Tarasick, J. Merrill, S. J. Oltmans, T. Leblanc, J. C. Witte, and D. B. Millet (2009), Impact of the assimilation of ozone from the Tropospheric Emission Spectrometer on surface ozone across North America, Geophys. Res. Lett., 36, L04802, https://doi.org/10.1029/2008GL036935.

Duncan B. N., Y. Yoshida, M. R. Damon, A. R. Douglass, and J. C. Witte (2009), Temperature dependence of factors controlling isoprene emissions, Geophys. Res. Lett., 36, L05813, https://doi.org/10.1029/2008GL037090.

Liang, Q., A. R. Douglass, B. N. Duncan, R. S. Stolarski, and J. C. Witte (2009), The governing processes and timescales of stratosphere-to-troposphere transport and its contribution to ozone in the Arctic troposphere, Atmos. Chem. Phys., 9, 3011-3025, https://doi.org/10.5194/acp-9-3011-2009.

Dupuy E, Walker, KA, Kar J, et al. (2009), Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE), Atmos. Chem. Phys., 9, 287-343, https://doi.org/10.5194/acp-9-287-2009.

Parrington M., D. B. A. Jones, K. W. Bowman, L. W. Horowitz, A. M. Thompson, D. W. Tarasick, and J. C. Witte (2009), Estimating the summertime tropospheric ozone distribution over North America through assimilation of observations from the Tropospheric Emission Spectrometer, J. Geophys. Res., 113, D18307, https://doi.org/10.1029/2007JD009341.

Witte, J. C., M. R. Schoeberl, A. R. Douglass, and A. M. Thompson (2008), Quasi-biennial Oscillation and annual variations in tropical ozone from SHADOZ and HALOE, Atmos. Chem. Phys., 8, 3929-3936, https://doi.org/10.5194/acp-8-3929-2008.

Stajner I, K. Wargan, S. Pawson, et al., and J. C. Witte (2008), Assimilated ozone from EOS-Aura: Evaluation of the tropopause region and tropospheric columns, J. Geophys. Res., 113, D16S32, https://doi.org/10.1029/2007JD008863.

Nardi B., J. C. Gille, J. J. Barnett, et al., J. C. Witte, and J. Young (2008), Initial validation of ozone measurements from the High Resolution Dynamics Limb Sounder, J. Geophys. Res., 113, D16S36, https://doi.org/10.1029/2007JD008837.

Nassar R, Logan JA, et al., and J. C. Witte (2008). Validation of Tropospheric Emission Spectrometer (TES) nadir ozone profiles using ozonesonde measurements, J. Geophys. Res., 113, D15S17, https://doi.org/10.1029/2007JD008819.

Thompson, A. M., J. E. Yorks, S. K. Miller, J. C. Witte, K. M. Dougherty, G. A. Morris, D.
Baumgardner, L. Ladino, and B. Rappenglück (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, 5113-5125, https://doi.org/10.5194/acp-8-5113-2008.

Deshler, T., J. L. Mercer, H. G. J. Smit, R. Stubi, G. Levrat, B. J. Johnson, S. J. Oltmans, R. Kivi, A. M. Thompson, J. C. Witte, J. Davies, F. J. Schmidlin, G. Brothers, and T. Sasaki (2008), Atmospheric comparison of electrochemical cell ozonesondes from different manufacturers, and with different cathode solution strengths: The Balloon Experiment on Standards for Ozonesondes, J. Geophys. Res., 113, D04307, https://doi.org/10.1029/2007JD008975.

Schoeberl M. R., J. Ziemke, B. Bojkov, N. Livesey, B. Duncan, S. Strahan, L. Froidevaux, S. Kulawik, P. Bhartia, S. Chandra, P. Levelt, J. C. Witte, and Anne Thompson (2007), A trajectory-based estimate of the tropospheric ozone column using the residual method, J. Geophys. Res., 112, D24S49, https://doi.org/10.1029/2007JD008773.

Tarasick D. W, et al., J. C. Witte, et al. (2007), Comparison of Canadian air quality forecast models with tropospheric ozone profile measurements above midlatitude North America during the IONS/ICARTT campaign: Evidence for stratospheric input, J. Geophys. Res., 112D12S22, https://doi.org/10.1029/2006JD007782.

Thompson A. M., J. C. Witte, H. G. J. Smit, S. J. Oltmans, B. J. Johnson, V. W. J. H. Kirchhoff, F. J. Schmidlin (2007), Southern Hemisphere Additional Ozonesondes (SHADOZ) 1998–2004 tropical ozone climatology: 3. Instrumentation, station-to-station variability, and evaluation with simulated flight profiles, J. Geophys. Res., 112, D03304, https://doi.org/10.1029/2005JD007042.

Thompson A. M., J. B. Stone, J. C. Witte, et al. (2007), Intercontinental Chemical Transport Experiment Ozonesonde Network Study (IONS) 2004: 1. Summertime upper troposphere/lower stratosphere ozone
over northeastern North America, J. Geophys. Res., 112, D12S12, doi:10.1029/2006JD007441.

Thompson, A. M., J. B. Stone, J. C. Witte, et al. (2007), Intercontinental Chemical Transport Experiment Ozonesonde Network Study (IONS) 2004: 2. Tropospheric ozone budgets and variability over northeastern North America, J. Geophys. Res., 112, D12S13, https://doi.org/10.1029/2006JD007670.

Smit, H.G.J., W. Straeter, B. Johnson, S. Oltmans, J. Davies, D.W. Tarasick, B. Hoegger, R. Stubi, F. Schmidlin, T. Northam, A. Thompson, J. Witte, I. Boyd, and F. Posny, (2007), Assessment of the performance of ECC-ozonesondes under quasi-flight conditions in the environmental simulation chamber: Insights from the Juelich Ozone Sonde Intercomparison Experiment (JOSIE), J. Geophys Res., 112, D19306, https://doi.org/10.1029/2006JD007308.

Folkins, I., P. Bernath, P. Boone, G. Lesins, N. Livesey, A. Thompson, K. Walker and J. C. Witte (2006), Seasonal cycles of O3, CO and convective outflow at the tropical tropopause, Geophys. Res. Lett., 33, L16802, https://doi.org/10.1029/2006GL026602.

Morris, G., et al., and J. C. Witte (2006), Alaskan and Canadian forest fires exacerbate ozone pollution over Houston, Texas, on 19 and 20 July 2004, J. Geophys. Res., 111, D24S03, https://doi.org/10.1029/2006JD007090.

Sauvage, B., V. Thouret, A. M. Thompson, J. C. Witte, J. P. Cammas, P. Nedelec, and G. Athier, (2006), Enhanced view of the tropical atlantic ozone paradox and zonal wave-one from the in-situ MOZAIC and SHADOZ data, J. Geophys. Res., 111, D01301, https://doi.org/10.1029/2005JD006241.

Cooper, O. R, A. Stohl, M. Trainer, A. M. Thompson, J. C. Witte, et al. (2006), Large tropospheric ozone enhancements above mid-latitude North America during summer: In-situ evidence from the IONS and MOZAIC ozone monitoring network, J. Geophys. Res., 111, D24S05, https://doi.org/10.1029/2006JD007306.

A. M. Thompson, J. C. Witte, S. J. Oltmans, and F. J. Schmidlin (2004), SHADOZ (Southern Hemisphere ADditional Ozonesondes): A tropical ozonesonde-radiosonde network for the atmospheric community, Bull. Am. Meteorological Soc., 85, 1549-1564, https://doi.org/10.1175/BAMS-85-10-1549.

Chatfield, R. B., H. Guan, A.M. Thompson, and J. C. Witte (2004), Convective lofting links Indian ocean air pollution to paradoxical South Atlantic ozone maxima, Geophys. Res. Lett., 31, L06103, https://doi.org/10.1029/2003GL018866.

Jenkins, G. S., J-H. Rhy, A. M. Thompson, and J. C. Witte (2003), Linking horizontal and vertical transport of biomass fire emissions to the tropical Atlantic ozone paradox during the northern hemisphere winter season. II. 1998-1999, J. Geophys. Res., 108, 4745, https://doi.org/10.1029/2002JD0003297.

Thompson, A. M., J. C. Witte, S. J. Oltmans, and F. J. Schmidlin (2003) SHADOZ (Southern Hemisphere Additional Ozonesondes): A New Source of Ozone and Temperature Data from a Tropical Network, SPARC Newsletter No. 20, pp 28-32, January 2003.

Thompson, A. M., J. C. Witte, S. J. Oltmans, F. J. Schmidlin, J. A. Logan, M. Fujiwara, V. W. J. H. Kirchhoff, F. Posny, G. J. R. Coetzee, B. Hoegger, S. Kawakami and T. Ogawa (2003), Southern Hemisphere ADditional Ozonesondes (SHADOZ) 1998-2000 tropical ozone climatology. 2. Tropospheric variability and the zonal wave-one, J. Geophys. Res., 108, 8241, https://doi.org/10.1029/2002JD002241.

Thompson, A. M., J. C. Witte, et al. (2003), Southern Hemisphere ADditional Ozonesondes (SHADOZ) 1998-2000 tropical ozone climatology. 1. Comparison with Total Ozone Mapping Spectrometer (TOMS) and ground-based measurements, J. Geophys. Res., 108, 8238, https://doi.org/10.1029/2001JD000967.

Thompson, A. M., J. C. Witte, M. T. Freiman, N. A. Phahlane, and G. J. R. Coetzee (2002), Lusaka, Zambia, during SAFARI-2000: Convergence of local and imported ozone pollution, Geophys. Res. Lett., 29, 1976, https://doi.org/10.1029/2002GL015399.

Folkins, I., C. Braun, A. M. Thompson, and J. C. Witte (2002), Tropical ozone as an indicator of deep convective outflow, J. Geophys. Res., 107, https://doi.org/10.1029/2001JD001178.

Pickering, K. E., A. M. Thompson, K. Hyuncheol, A. J. DeCaria, L. Pfister, T. L. Kucsera, J. C. Witte, et al., (2002), Trace gas transport and scavenging in PEN-Tropics B South Pacific Convergence Zone convection, J. Geophys. Res., 106(D23), 32591–32607, https://doi.org/10.1029/2001JD000328.

K. Kourtidis, C. Zerefos, D. Balis, E. Kosmidis, S. Rapsomanikis, P. Perros, V. Simeonov, D. Melas, A. M. Thompson, J. Witte, et al. (2002), Regional tropospheric ozone over Eastern Mediterranean, in press, J. Geophys. Res., 107, 8140, https://doi.org/10.1029/2000JD000140.

Thompson, A. M., J. C. Witte, R. D. Hudson, H. Guo, J. R. Herman, and M. Fujiwara (2001), Tropospheric ozone and biomass burning, Science, 291, 2128-2132, https://doi.org/10.1126/science.291.5511.2128.

Thompson, A. M., B. G. Doddridge, J. C. Witte, et al. (2000), Shipboard and satellite views of elevated tropospheric ozone over the tropical Atlantic in January-February 1999, Geophys. Res. Lett., 27, 3317-3320, https://doi.org/10.1029/1999GL011273.

Anne M. Thompson and Jacquelyn C. Witte, SHADOZ (Southern Hemisphere ADditional
OZonesondes): A new ozonesonde data set for the earth science community, Earth Observer, 11(4), 27-30, July/August 1999.

Witte J. C., I. A. Folkins, B. A. Ridley, J. G. Walega and A. J. Weinheimer (1997), Large scale enhancements in NO/NOy from aircraft emissions: comparisons with observations. Journal of Geophysical Research, 102(D23), 28169-28175, https://doi.org/10.1029/97JD02704. [M. Sc. Thesis]

Gyakum J. R., D. L. Zhang, J. C. Witte, K. Thomas and W. Wintels, CASP II and the Canadian cyclones during the 1989-92 cold seasons, Atmosphere-Ocean 34(1), 1-16, 1996. [B. Sc. Thesis Honors]

Publications and Presentations (15)
Title	Source	Date
Cold fog amongst complex terrain	Bulletin of the American Meteorological Society	2023-11-01
Cold Fog Amongst Complex Terrain	Bulletin of the American Meteorological Society	2023-11-01
Cold fog amongst complex terrain	Bulletin of the American Meteorological Society (BAMS)	2023-11-01
Cause of a lower-tropospheric high-ozone layer in spring over Hanoi	Journal of Geophysical Research: Atmospheres	2022-05-27
TROPOMI tropospheric ozone column data: Geophysical assessment and comparison to ozonesondes, GOME-2B and OMI	Atmospheric Measurement Techniques	2021-11-30
Regional and seasonal trends in tropical ozone from SHADOZ profiles: Reference for models and satellite products	Journal of Geophysical Research: Atmospheres	2021-11-27
NCAR's Integrated Surface Flux System (ISFS): A campaign driven micronet in support of micrometeorological research	Tropical Pacific Observing Needs to Advance Process Understanding and Representation in Models Workshop 2021	2021-05-26
Regional and seasonal trends in tropical ozone from SHADOZ profiles: Reference for models and satellite products	Virtual Global Monitoring Annual Conference (eGMAC) 2021	2021-05-24
NCAR NRD41 dropsonde observations of thermodynamic parameters and wind during OTREC	34th Conference on Hurricanes and Tropical Meteorology	2021-05-13
High-resolution in situ observations of atmospheric thermodynamics using dropsondes during the Organization of Tropical East Pacific Convection (OTREC) field campaign	Earth System Science Data	2021-03-17
Improving ECC ozonesonde data quality: Assessment of current methods and outstanding issues	Earth and Space Science	2021-03-01
The role of convection in tropical ozone trends (1998-2018) based on SHADOZ profiles	101st AMS Annual Meeting	2021-01-12
A new method to correct the electrochemical concentration cell (ECC) ozonesonde time response and its implications for “background current” and pump efficiency	Atmospheric Measurement Techniques	2020-10-26
Global-scale distribution of ozone in the remote troposphere from the ATom and HIPPO airborne field missions	Atmospheric Chemistry and Physics	2020-09-11
A post-2013 dropoff in total ozone at a third of global ozonesonde stations: Electrochemical concentration cell instrument artifacts?	Geophysical Research Letters	2020-06-16

Curriculum Vitae

Past Positions

Research Scientist – NASA/Goddard Space Flight Center/Atmospheric Chemistry & Dynamics Lab
Associate Program Manager, Health and Air Quality Applications – NASA HQ

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