Sciences and Exploration Directorate

Luke David Oman

(RSCH AST, ATMOSPHERIC CHEMISTRY & DYN)

Luke David Oman's Contact Card & Information.
Email: luke.d.oman@nasa.gov
Phone: 301.614.6032
Org Code: 614
Address:
NASA/GSFC
Mail Code 614
Greenbelt, MD 20771
Employer:
NASA

Brief Bio


Dr. Luke Oman is a Research Physical Scientist in the Atmospheric Chemistry and Dynamics Laboratory at NASA Goddard Space Flight Center, Greenbelt, MD. His research interest centers on using satellite observations and chemistry climate models to understand atmospheric processes. His current research focuses on advancing our understanding of the interactions of chemistry and dynamics in both natural variations and climate change impacts on the ozone layer. Dr. Oman received his M.S. and Ph.D. in Environmental Sciences from Rutgers University with a focus on volcanic eruptions and climate. He received a B.S. in Meteorology and a B. A. in Journalism and Mass Media also from Rutgers University.

Webpage
http://acdb-ext.gsfc.nasa.gov/People/Oman/

Researcher ID
http://www.researcherid.com/rid/C-2778-2009

Google Scholar
http://scholar.google.com/citations?hl=en&user=5LZ3HkgAAAAJ
 

Positions/Employment


Research Physical Scientist

NASA Goddard Space Flight Center - Greenbelt, MD

October 2009 - Present

 


Post-Doctoral Research Associate

Johns Hopkins University - Baltimore, MD

October 2006 - October 2009

 


Post-Doctoral Research Associate

Rutgers University - New Brunswick, NJ

February 2006 - September 2006

 


Graduate Assistant

Rutgers University - New Brunswick, NJ

June 2000 - January 2006

 

Education


Jun. 03 to Jan. 06 Ph.D., Environmental Sciences, Rutgers University, NJ
Jun. 00 to May 03 M.Sc., Environmental Sciences, Rutgers University, NJ
Sep. 95 to May 00 B.Sc., Meteorology, Rutgers University, NJ
Sep. 95 to May 00 B.A., Journalism and Mass Media, Rutgers University, NJ

Publications


Refereed

2024. "Record High March 2024 Arctic Total Column Ozone." Geophysical Research Letters 51 (18): [10.1029/2024gl110924] [Journal Article/Letter]

2024. "Enhancing long-term trend simulation of the global tropospheric hydroxyl (TOH) and its drivers from 2005 to 2019: a synergistic integration of model simulations and satellite observations." Atmospheric Chemistry and Physics 24 (15): 8677-8701 [10.5194/acp-24-8677-2024] [Journal Article/Letter]

2024. "A Potential Surface Warming Regime for Volcanic Super‐Eruptions Through Stratospheric Water Vapor Increases." Journal of Geophysical Research: Atmospheres 129 (13): [10.1029/2023jd038667] [Journal Article/Letter]

2024. "Revised estimates of NO2 reductions during the COVID-19 lockdowns using updated TROPOMI NO2 retrievals and model simulations." Atmospheric Environment 326 120459 [10.1016/j.atmosenv.2024.120459] [Journal Article/Letter]

2024. "Investigation of observed dust trends over the Middle East region in NASA Goddard Earth Observing System (GEOS) model simulations." Atmospheric Chemistry and Physics 24 (4): 2443-2464 [10.5194/acp-24-2443-2024] [Journal Article/Letter]

2024. "Stratospheric Temperature and Ozone Impacts of the Hunga Tonga‐Hunga Ha'apai Water Vapor Injection." Journal of Geophysical Research: Atmospheres 129 (1): [10.1029/2023jd039298] [Journal Article/Letter]

2023. "The Prospect of Detecting Volcanic Signatures on an ExoEarth Using Direct Imaging." The Astronomical Journal 166 (5): 199 [10.3847/1538-3881/acfe12] [Journal Article/Letter]

2022. "Multidecadal increases in global tropospheric ozone derived from ozonesonde and surface site observations: can models reproduce ozone trends?." Atmospheric Chemistry and Physics 22 (22): 14751-14782 [10.5194/acp-22-14751-2022] [Journal Article/Letter]

2022. "Change in Tropospheric Ozone in the Recent Decades and Its Contribution to Global Total Ozone." Journal of Geophysical Research: Atmospheres 127 (22): [10.1029/2022jd037170] [Journal Article/Letter]

2022. "SAGE III/ISS ozone and NO2 validation using diurnal scaling factors." Atmospheric Measurement Techniques 15 (20): 6145-6161 [10.5194/amt-15-6145-2022] [Journal Article/Letter]

2022. "Volcanic Climate Warming Through Radiative and Dynamical Feedbacks of SO 2 Emissions." Geophysical Research Letters 49 (4): [10.1029/2021gl096612] [Journal Article/Letter]

2021. "Compact Thermal Imager (CTI) for Atmospheric Remote Sensing." Remote Sensing 13 (22): 4578 [10.3390/rs13224578] [Journal Article/Letter]

2021. "Response of the Upper‐Level Monsoon Anticyclones and Ozone to Abrupt CO 2 Changes." Journal of Geophysical Research: Atmospheres 126 (21): [10.1029/2021jd034903] [Journal Article/Letter]

2021. "A global ozone profile climatology for satellite retrieval algorithms based on Aura MLS measurements and the MERRA-2 GMI simulation." Atmospheric Measurement Techniques 14 (10): 6407-6418 [10.5194/amt-14-6407-2021] [Journal Article/Letter]

2021. "Evaluation of Version 3 Total and Tropospheric Ozone Columns From Earth Polychromatic Imaging Camera on Deep Space Climate Observatory for Studying Regional Scale Ozone Variations." Frontiers in Remote Sensing 2 [10.3389/frsen.2021.734071] [Journal Article/Letter]

2021. "The Montreal Protocol protects the terrestrial carbon sink." Nature 596 (7872): 384-388 [10.1038/s41586-021-03737-3] [Journal Article/Letter]

2021. "The long-term transport and radiative impacts of the 2017 British Columbia pyrocumulonimbus smoke aerosols in the stratosphere." Atmospheric Chemistry and Physics 21 (15): 12069-12090 [10.5194/acp-21-12069-2021] [Journal Article/Letter]

2021. "Stratospheric impacts of continuing CFC‐11 emissions simulated in a chemistry‐climate model." Journal of Geophysical Research: Atmospheres [10.1029/2020jd033656] [Journal Article/Letter]

2020. "Observed Hemispheric Asymmetry in Stratospheric Transport Trends From 1994 to 2018." Geophysical Research Letters 47 (17): [10.1029/2020gl088567] [Journal Article/Letter]

2020. "Aircraft observations since the 1990s reveal increases of tropospheric ozone at multiple locations across the Northern Hemisphere." Science Advances 6 (34): eaba8272 [10.1126/sciadv.aba8272] [Journal Article/Letter]

2020. "Future trends in stratosphere-to-troposphere transport in CCMI models." Atmospheric Chemistry and Physics 20 6883–6901 [10.5194/acp-20-6883-2020] [Journal Article/Letter]

2020. "Stratospheric impact on the Northern Hemisphere winter and spring ozone interannual variability in the troposphere." Atmospheric Chemistry and Physics 20 (11): 6417-6433 [10.5194/acp-20-6417-2020] [Journal Article/Letter]

2020. "Model-based Climatology of Diurnal Variability in Stratospheric Ozone as a Data Analysis Tool." Atmos. Meas. Tech. 13 2733–2749 [10.5194/amt-13-2733-2020] [Journal Article/Letter]

2020. "Mechanisms Linked to Recent Ozone Decreases in the Northern Hemisphere Lower Stratosphere." Journal of Geophysical Research: Atmospheres 125 (9): [10.1029/2019jd031631] [Journal Article/Letter]

2020. "Seasonality of the MJO Impact on Upper Troposphere–Lower Stratosphere Temperature, Circulation, and Composition." Journal of the Atmospheric Sciences 77 (4): 1455-1473 [10.1175/jas-d-19-0183.1] [Journal Article/Letter]

2020. "A machine learning examination of hydroxyl radical differences among model simulations for CCMI-1." Atmospheric Chemistry and Physics 20 (3): 1341-1361 [10.5194/acp-20-1341-2020] [Journal Article/Letter]

2020. "Attribution of Chemistry-Climate Model Initiative (CCMI) ozone radiative flux bias from satellites." Atmospheric Chemistry and Physics 20 (1): 281-301 [10.5194/acp-20-281-2020] [Journal Article/Letter]

2019. "Evaluation of NASA's high-resolution global composition simulations: Understanding a pollution event in the Chesapeake Bay during the summer 2017 OWLETS campaign." Atmospheric Environment 117133 [10.1016/j.atmosenv.2019.117133] [Journal Article/Letter]

2019. "Disentangling the Drivers of the Summertime Ozone‐Temperature Relationship Over the United States." Journal of Geophysical Research: Atmospheres 124 (19): 10503-10524 [10.1029/2019jd030572] [Journal Article/Letter]

2019. "Success of Montreal Protocol Demonstrated by Comparing High-Quality UV Measurements with “World Avoided” Calculations from Two Chemistry-Climate Models." Scientific Reports 9 (1): 12332 [10.1038/s41598-019-48625-z] [Journal Article/Letter]

2019. "Clear-sky ultraviolet radiation modelling using output from the Chemistry Climate Model Initiative." Atmospheric Chemistry and Physics 19 (15): 10087-10110 [10.5194/acp-19-10087-2019] [Journal Article/Letter]

2019. "Large Impacts, Past and Future, of Ozone‐Depleting Substances on Brewer‐Dobson Circulation Trends: A Multimodel Assessment." Journal of Geophysical Research: Atmospheres 124 (13): 6669-6680 [10.1029/2018jd029516] [Journal Article/Letter]

2019. "The Effects of a 1998 Observing System Change on MERRA-2-based Ozone Profile Simulations." Journal of Geophysical Research: Atmospheres 124 7429– 7441 [10.1029/2019jd030257] [Journal Article/Letter]

2019. "The salience of nonlinearities in the boreal winter response to ENSO: Arctic stratosphere and Europe." Climate Dynamics 53 (7-8): 4591-4610 [10.1007/s00382-019-04805-1] [Journal Article/Letter]

2019. "Mapping hydroxyl variability throughout the global remote troposphere via synthesis of airborne and satellite formaldehyde observations." Proceedings of the National Academy of Sciences 116 (23): 11171-11180 [10.1073/pnas.1821661116] [Journal Article/Letter]

2019. "Trends in global tropospheric ozone inferred from a composite record of TOMS/OMI/MLS/OMPS satellite measurements and the MERRA-2 GMI simulation." Atmospheric Chemistry and Physics 19 (5): 3257-3269 [10.5194/acp-19-3257-2019] [Journal Article/Letter]

2019. "The salience of nonlinearities in the boreal winter response to ENSO; North Pacific and North America." Climate Dynamics 52 (7-8): 4429-4446 [10.1007/s00382-018-4386-x] [Journal Article/Letter]

2019. "Global changes in the diurnal cycle of surface ozone." Atmospheric Environment 199 323-333 [10.1016/j.atmosenv.2018.11.028] [Journal Article/Letter]

2019. "The influence of mixing on the stratospheric age of air changes in the 21st century." Atmospheric Chemistry and Physics 19 (2): 921-940 [10.5194/acp-19-921-2019] [Journal Article/Letter]

2018. "The Downward Influence of Sudden Stratospheric Warmings: Association with Tropospheric Precursors." Journal of Climate 32 (1): 85-108 [10.1175/jcli-d-18-0053.1] [Journal Article/Letter]

2018. "Tropospheric ozone in CCMI models and Gaussian process emulation to understand biases in the SOCOLv3 chemistry–climate model." Atmospheric Chemistry and Physics 18 (21): 16155-16172 [10.5194/acp-18-16155-2018] [Journal Article/Letter]

2018. "Revisiting the Mystery of Recent Stratospheric Temperature Trends." Geophysical Research Letters 45 (18): 9919-9933 [10.1029/2018gl078035] [Journal Article/Letter]

2018. "Changes in Global Tropospheric OH Expected as a Result of Climate Change Over the Last Several Decades." Journal of Geophysical Research: Atmospheres 123 (18): 10,774-10,795 [10.1029/2018jd028388] [Journal Article/Letter]

2018. "The Impact of Boreal Summer ENSO Events on Tropical Lower Stratospheric Ozone." Journal of Geophysical Research: Atmospheres 123 (17): 9843-9857 [10.1029/2018jd029020] [Journal Article/Letter]

2018. "No robust evidence of future changes in major stratospheric sudden warmings: a multi-model assessment from CCMI." Atmospheric Chemistry and Physics 18 (15): 11277-11287 [10.5194/acp-18-11277-2018] [Journal Article/Letter]

2018. "Estimates of ozone return dates from Chemistry-Climate Model Initiative simulations." Atmospheric Chemistry and Physics 18 (11): 8409-8438 [10.5194/acp-18-8409-2018] [Journal Article/Letter]

2018. "Stratospheric Injection of Brominated Very Short-Lived Substances: Aircraft Observations in the Western Pacific and Representation in Global Models." Journal of Geophysical Research: Atmospheres [10.1029/2017jd027978] [Journal Article/Letter]

2018. "Large-scale tropospheric transport in the Chemistry–Climate Model Initiative (CCMI) simulations." Atmospheric Chemistry and Physics 18 (10): 7217-7235 [10.5194/acp-18-7217-2018] [Journal Article/Letter]

2018. "Quantifying the effect of mixing on the mean age of air in CCMVal-2 and CCMI-1 models." Atmospheric Chemistry and Physics 18 (9): 6699-6720 [10.5194/acp-18-6699-2018] [Journal Article/Letter]

2018. "Recent decline in extratropical lower stratospheric ozone attributed to circulation changes." Geophysical Research Letters [10.1029/2018gl077406] [Journal Article/Letter]

2018. "Tropospheric jet response to Antarctic ozone depletion: An update with Chemistry-Climate Model Initiative (CCMI) models." Environmental Research Letters 13 (5): 054024 [10.1088/1748-9326/aabf21] [Journal Article/Letter]

2018. "Nonlinear response of tropical lower-stratospheric temperature and water vapor to ENSO." Atmospheric Chemistry and Physics 18 (7): 4597-4615 [10.5194/acp-18-4597-2018] [Journal Article/Letter]

2018. "Effect of Gravity Waves From Small Islands in the Southern Ocean on the Southern Hemisphere Atmospheric Circulation." Journal of Geophysical Research: Atmospheres 123 (3): 1552-1561 [10.1002/2017jd027576] [Journal Article/Letter]

2018. "Ozone sensitivity to varying greenhouse gases and ozone-depleting substances in CCMI-1 simulations." Atmospheric Chemistry and Physics 18 (2): 1091-1114 [10.5194/acp-18-1091-2018] [Journal Article/Letter]

2017. "Chemical Mechanisms and Their Applications in the Goddard Earth Observing System (GEOS) Earth System Model." Journal of Advances in Modeling Earth Systems [10.1002/2017ms001011] [Journal Article/Letter]

2017. "A Model and Satellite-Based Analysis of the Tropospheric Ozone Distribution in Clear Versus Convectively Cloudy Conditions." Journal of Geophysical Research: Atmospheres [10.1002/2017jd027015] [Journal Article/Letter]

2017. "A cloud-ozone data product from Aura OMI and MLS satellite measurements." Atmospheric Measurement Techniques 10 (11): 4067-4078 [10.5194/amt-10-4067-2017] [Journal Article/Letter]

2017. "Large-Scale Atmospheric Transport in GEOS Replay Simulations." Journal of Advances in Modeling Earth Systems 9 (7): 2545-2560 [10.1002/2017ms001053] [Journal Article/Letter]

2017. "Formaldehyde in the Tropical Western Pacific: Chemical sources and sinks, convective transport, and representation in CAM-Chem and the CCMI models." Journal of Geophysical Research: Atmospheres [10.1002/2016jd026121] [Journal Article/Letter]

2017. "Multi-decadal records of stratospheric composition and their relationship to stratospheric circulation change." Atmospheric Chemistry and Physics 17 (19): 12081-12096 [10.5194/acp-17-12081-2017] [Journal Article/Letter]

2017. "Hemispheric differences in the annual cycle of tropical lower stratosphere transport and tracers." Journal of Geophysical Research: Atmospheres 122 (13): 7183-7199 [10.1002/2017jd026482] [Journal Article/Letter]

2017. "Review of the global models used within phase 1 of the Chemistry–Climate Model Initiative (CCMI)." Geoscientific Model Development 10 (2): 639-671 [10.5194/gmd-10-639-2017] [Journal Article/Letter]

2017. "Time-varying changes in the simulated structure of the Brewer–Dobson Circulation." Atmospheric Chemistry and Physics 17 (2): 1313-1327 [10.5194/acp-17-1313-2017] [Journal Article/Letter]

2017. "A 4 U laser heterodyne radiometer for methane (CH4) and carbon dioxide (CO2) measurements from an occultation-viewing CubeSat." Measurement Science and Technology 28 (3): 035902 [10.1088/1361-6501/aa5440] [Journal Article/Letter]

2017. "Stratospheric variability contributed to and sustained the recent hiatus in Eurasian winter warming." Geophysical Research Letters 44 (1): 374-382 [10.1002/2016gl072035] [Journal Article/Letter]

2016. "The effect of representing bromine from VSLS on the simulation and evolution of Antarctic ozone." Geophysical Research Letters 43 (18): 9869-9876 [10.1002/2016gl070471] [Journal Article/Letter]

2016. "Interpreting space-based trends in carbon monoxide with multiple models." Atmos. Chem. Phys. 16 (11): 7285-7294 [10.5194/acp-16-7285-2016] [Journal Article/Letter]

2016. "Transport of ice into the stratosphere and the humidification of the stratosphere over the 21st century." Geophysical Research Letters 43 (5): 2323-2329 [10.1002/2016gl067991] [Journal Article/Letter]

2016. "Is the Brewer-Dobson circulation increasing or moving upward?." Geophysical Research Letters 43 (4): 1772-1779 [10.1002/2015gl067545] [Journal Article/Letter]

2015. "Air-Mass Origin in the Arctic. Part II: Response to Increases in Greenhouse Gases." J. Climate 28 (23): 9105–9120 [10.1175/jcli-d-15-0296.1] [Journal Article/Letter]

2015. "Measuring and modeling the lifetime of nitrous oxide including its variability." J. Geophys. Res. Atmos. 120 (11): 5693-5705 [10.1002/2015jd023267] [Journal Article/Letter]

2015. "Effect of recent sea surface temperature trends on the Arctic stratospheric vortex." J. Geophys. Res. Atmos. 120 (11): 5404-5416 [10.1002/2015jd023284] [Journal Article/Letter]

2015. "Airmass Origin in the Arctic. Part I: Seasonality." J. Climate 28 (12): 4997-5014 [10.1175/jcli-d-14-00720.1] [Journal Article/Letter]

2015. "Modulation of Antarctic vortex composition by the quasi-biennial oscillation." Geophysical Research Letters 42 (10): 4216-4223 [10.1002/2015gl063759] [Journal Article/Letter]

2015. "Impact of future nitrous oxide and carbon dioxide emissions on the stratospheric ozone layer." Environmental Research Letters 10 (3): 034011 [10.1088/1748-9326/10/3/034011] [Journal Article/Letter]

2015. "Tropospheric ozone variability in the tropics from ENSO to MJO and shorter timescales." Atmos. Chem. Phys. 15 (14): 8037-8049 [10.5194/acp-15-8037-2015] [Journal Article/Letter]

2014. "Reply to comment by Cole-Dai et al. on “Climatic impact of the long-lasting Laki eruption: Inapplicability of mass-independent sulfur isotope composition measurements”." J. Geophys. Res. Atmos. 119 (11): 6636-6637 [10.1002/2013JD021440] [Journal Article/Letter]

2014. "Understanding differences in chemistry climate model projections of stratospheric ozone." J. Geophys. Res. Atmos. 119 (8): 4922–4939 [10.1002/2013JD021159] [Journal Article/Letter]

2014. "Improvements in total column ozone in GEOSCCM and comparisons with a new ozone-depleting substances scenario." J. Geophys. Res. Atmos. 119 (9): 5613-5624 [10.1002/2014JD021590] [Journal Article/Letter]

2014. "Seasonal ventilation of the stratosphere: Robust diagnostics from one-way flux distributions." J. Geophys. Res. Atmos. 119 (1): 293-306 [10.1002/2013JD020213] [Journal Article/Letter]

2014. "Seasonal variation of ozone in the tropical lower stratosphere: Southern tropics are different from northern tropics." J. Geophys. Res. Atmos. 119 6196-6206 [10.1002/2013JD021294] [Journal Article/Letter]

2014. "Modifications of the quasi-biennial oscillation by a geoengineering perturbation of the stratospheric aerosol layer." Geophys. Res. Lett. 41 (5): 1738–1744 [10.1002/2013GL058818] [Journal Article/Letter]

2013. "Sensitivity of the atmospheric response to warm pool El Niño events to modeled SSTs and future climate forcings." Journal of Geophysical Research: Atmospheres 118 (24): 13,371–13,382 [Full Text] [10.1002/2013JD021051] [Journal Article/Letter]

2013. "Temperature trends in the tropical upper troposphere and lower stratosphere: Connections with sea surface temperatures and implications for water vapor and ozone." J. Geophys. Res. Atmos. 118 (17): 9658-9672 [10.1002/jgrd.50772] [Journal Article/Letter]

2013. "Net influence of an internally generated quasi-biennial oscillation on modelled stratospheric climate and chemistry." Atmos. Chem. Phys. 13 (24): 12187-12197 [10.5194/acp-13-12187-2013] [Journal Article/Letter]

2013. "Correction to ‘Dispersion of the volcanic sulfate cloud from a Mount Pinatubo-like eruption’." J. Geophys. Res. 118 (14): 7849 [10.1002/jgrd.50616] [Journal Article/Letter]

2013. "The ozone response to ENSO in aura satellite measurements and a chemistry-climate simulation." J. Geophys. Res. 118 965-976 [10.1029/2012JD018546] [Journal Article/Letter]

2013. "Contrasting Effects of Central Pacific and Eastern Pacific El Niño on stratospheric water vapor." Geophys. Res. Lett. 40 (15): 4115–4120 [10.1002/grl.50677] [Journal Article/Letter]

2013. "Connections between the Spring Breakup of the Southern Hemisphere Polar Vortex, Stationary Waves, and Air–Sea Roughness." Journal of the Atmospheric Sciences 70 (7): 2137-2151 [10.1175/JAS-D-12-0242.1] [Journal Article/Letter]

2013. "The Response of Ozone and Nitrogen Dioxide to the Eruption of Mt. Pinatubo at Southern and Northern Midlatitudes." Journal of the Atmospheric Sciences 70 (3): 894-900 [10.1175/JAS-D-12-0143.1] [Journal Article/Letter]

2012. "Dispersion of the volcanic sulfate cloud from a Mount Pinatubo-like eruption." J. Geophys. Res. 117 (D6): D06216 [10.1029/2011JD016968] [Journal Article/Letter]

2012. "The impact of greenhouse gases on past changes in tropospheric ozone." J Geophys Res 117 (D23): D23304 [10.1029/2012JD018293] [Journal Article/Letter]

2012. "Climatic impact of the long-lasting 1783 Laki eruption: Inapplicability of mass-independent sulfur isotopic composition measurements." J Geophys Res 117 (D23): D23116 [10.1029/2012JD018414] [Journal Article/Letter]

2012. "Understanding differences in upper stratospheric ozone response to changes in chlorine and temperature as computed using CCMVal-2 models." J. Geophys. Res. 117 (D16): D16306 [10.1029/2012JD017483] [Journal Article/Letter]

2012. "Middle atmosphere response to different descriptions of the 11-yr solar cycle in spectral irradiance in a chemistry-climate model." Atmos. Chem. Phys. 12 (13): 5937-5948 [10.5194/acp-12-5937-2012] [Journal Article/Letter]

2011. "Improvement of the GEOS-5 AGCM upon updating the air-sea roughness parameterization." Geophysical Research Letters 38 (18): [10.1029/2011gl048802] [Journal Article/Letter]

2011. "Response of the Antarctic stratosphere to warm pool El Niño Events in the GEOS CCM." Atmos. Chem. Phys 11 9743-9767 [Journal Article/Letter]

2011. "The response of tropical tropospheric ozone to ENSO." Geophysical Research Letters 38 (13): L13706 [10.1029/2011GL047865] [Journal Article/Letter]

2011. "The relative importance of random error and observation frequency in detecting trends in upper tropospheric water vapor." J. Geophys. Res. 116 (D21): D03206 [10.1029/2011JD016610] [Journal Article/Letter]

2011. "Response of the Antarctic stratosphere to warm pool El Niño Events in the GEOS CCM." Atmos. Chem. Phys. 11 (18): 9659-9669 [10.5194/acp-11-9659-2011] [Journal Article/Letter]

2011. "Response of the Antarctic Stratosphere to Two Types of El Niño Events." J Atmos Sci 68 (4): 812-822 [10.1175/2011JAS3606.1] [Journal Article/Letter]

2010. "Mechanisms and feedback causing changes in upper stratospheric ozone in the 21st century." J. Geophys. Res 115 [Journal Article/Letter]

2010. "A new ENSO index derived from satellite measurements of column ozone." Atmos Chem Phys 10 3711-3721 [10.5194/acp-10-3711-2010] [Journal Article/Letter]

2010. "Multi-model assessment of stratospheric ozone return dates and ozone recovery in CCMVal-2 models." Atmos. Chem. Phys. 10 (19): 9451-9472 [10.5194/acp-10-9451-2010] [Journal Article/Letter]

2010. "Sensitivity of 21st century stratospheric ozone to greenhouse gas scenarios." Geophys Res Lett 37 (16): L16807 [10.1029/2010GL044443] [Journal Article/Letter]

2010. "Decline and recovery of total column ozone using a multimodel time series analysis." J Geophys Res 115 (D3): D00M10 [10.1029/2010JD013857] [Journal Article/Letter]

2010. "Multimodel assessment of the factors driving stratospheric ozone evolution over the 21st century." J Geophys Res 115 (D24): D24306 [10.1029/2010JD014362] [Journal Article/Letter]

2010. "Assessment of the breakup of the Antarctic polar vortex in two new chemistry-climate models." J Geophys Res 115 (D7): D07105 [10.1029/2009JD012788] [Journal Article/Letter]

2009. "Sulfuric acid deposition from stratospheric geoengineering with sulfate aerosols." Journal of Geophysical Research 114 D14109 [doi:10.1029/2009JD011918] [Journal Article/Letter]

2009. "Impacts of climate change on stratospheric ozone recovery." Geophysical Research Letters 36 (3): L03805 [10.1029/2008GL036223] [Journal Article/Letter]

2009. "Did the Toba volcanic eruption of ∼74 ka B.P. produce widespread glaciation?." J. Geophys. Res. 114 (D10): D10107 [10.1029/2008JD011652] [Journal Article/Letter]

2009. "What would have happened to the ozone layer if chlorofluorocarbons (CFCs) had not been regulated?." Atmos. Chem. Phys. 9 (6): 2113-2128 [10.5194/acp-9-2113-2009] [Journal Article/Letter]

2009. "Effect of zonal asymmetries in stratospheric ozone on simulated Southern Hemisphere climate trends." Geophys Res Lett 36 (18): L18701 [10.1029/2009GL040419] [Journal Article/Letter]

2009. "On the influence of anthropogenic forcings on changes in the stratospheric mean age." J. Geophys. Res. 114 (D3): D03105 [10.1029/2008JD010378] [Journal Article/Letter]

2008. "An overview of geoengineering of climate using stratospheric sulfate aerosols." Phil. Trans. R. Soc. A 366 4007-4037 [doi:10.1098/rsta.2008.0131] [Journal Article/Letter]

2008. "Regional climate responses to geoengineering with tropical and arctic SO2 injections." Journal of Geophysical Research 113 D16101 [doi:10.1029/2008JD010050] [Journal Article/Letter]

2008. "Understanding the Changes of Stratospheric Water Vapor in Coupled Chemistry–Climate Model Simulations." Journal of the Atmospheric Sciences 65 (10): 3278-3291 [10.1175/2008JAS2696.1] [Journal Article/Letter]

2007. "Southern Hemisphere atmospheric circulation effects of the 1991 Mount Pinatubo eruption." Geophysical Research Letters 34 L23710 [doi:10.1029/2007GL031403] [Journal Article/Letter]

2007. "Nuclear winter revisited with a modern climate model and current nuclear arsenals: Still catastrophic consequences." Journal of Geophysical Research 112 D13107 [doi:10.1029/2006JD008235] [Journal Article/Letter]

2007. "The continuing environmental threat of nuclear weapons: Integrated policy responses needed." EOS 88 (21): [Journal Article/Letter]

2007. "Atmospheric volcanic loading derived from bipolar ice cores accounting for the spatial distribution of volcanic deposition." Journal of Geophysical Research 112 D09109 [doi:10.1029/2006JD007461] [Journal Article/Letter]

2007. "Climatic consequences of regional nuclear conflicts." Atmospheric Chemistry and Physics 7 2003-2012 [doi:10.5194/acp-7-2003-2007] [Journal Article/Letter]

2007. "Atmospheric effects and societal consequences of regional scale nuclear conflicts and acts of individual nuclear terrorism." Atmospheric Chemistry and Physics 7 1973-2002 [doi:10.5194/acp-7-1973-2007] [Journal Article/Letter]

2007. "Consequences of regional-scale nuclear conflicts." Science 305 1224-1225 [doi:10.1126/science.1137747] [Journal Article/Letter]

2006. "High-latitude eruptions cast shadow over the African monsoon and the flow of the Nile." Geophysical Research Letters 33 L18711 [doi:10.1029/2006GL027665] [Journal Article/Letter]

2006. "Modeling the distribution of the volcanic aerosol cloud from the 1783–1784 Laki eruption." J. Geophys. Res. 111 (D12): D12209 [10.1029/2005JD006899] [Journal Article/Letter]

2005. "Climatic response to high-latitude volcanic eruptions." J. Geophys. Res. 110 (D13): D13103 [10.1029/2004JD005487] [Journal Article/Letter]

Non-Refereed

2015. "Investigations of short warning time response options for hazardous near-Earth objects." 2015 IEEE Aerospace Conference 1-12 [10.1109/aero.2015.7118960] [Proceedings]