journal article

• Observations of Reduced Turbulence and Wave Activity in the Arctic Middle Atmosphere Following the January 2015 Sudden Stratospheric Warming.  Journal of Geophysical Research: Atmospheres. 13259-13276. 2018
• Stratospheric Aerosols, Polar Stratospheric Clouds, and Polar Ozone Depletion After the Mount Calbuco Eruption in 2015.  Journal of Geophysical Research: Atmospheres. 12308-12331. 2018
• On the Upward Extension of the Polar Vortices Into the Mesosphere.  Journal of Geophysical Research: Atmospheres. 9171-9191. 2018
• Deep Ionospheric Hole Created by Sudden Stratospheric Warming in the Nighttime Ionosphere.  Journal of Geophysical Research: Space Physics. 7621-7633. 2018
• Lidar Observations of Stratospheric Gravity Waves From 2011 to 2015 at McMurdo (77.84 degrees S, 166.69 degrees E), Antarctica: 2. Potential Energy Densities, Lognormal Distributions, and Seasonal Variations.  Journal of Geophysical Research: Atmospheres. 7910-7934. 2018
• Effects of the september 2005 Solar Flares and Solar Proton Events on the Middle Atmosphere in WACCM.  Journal of Geophysical Research: Space Physics. 5747-5763. 2018
• Local and Remote Planetary Wave Effects on Polar Mesospheric Clouds in the Northern Hemisphere in 2014.  Journal of Geophysical Research: Atmospheres. 5149-5162. 2018
• New AIM/CIPS global observations of gravity waves near 50-55 km.  Geophysical Research Letters. 7044-7052. 2017
• HEPPA-II model-measurement intercomparison project: EPP indirect effects during the dynamically perturbed NH winter 2008-2009.  Atmospheric Chemistry and Physics. 3573-3604. 2017
• Role of Wind Filtering and Unbalanced Flow Generation in Middle Atmosphere Gravity Wave Activity at Chatanika Alaska.  Atmosphere. 2017
• Introduction to the SPARC Reanalysis Intercomparison Project (S-RIP) and overview of the reanalysis systems.  Atmospheric Chemistry and Physics. 1417-1452. 2017
• Effects of polar stratospheric clouds in the Nimbus 7 LIMS Version 6 data set.  Atmospheric Measurement Techniques. 2927-2946. 2016
• Chemical definition of the mesospheric polar vortex.  Journal of Geophysical Research: Atmospheres. 10166-10179. 2015
• Is a high-altitude meteorological analysis necessary to simulate thermosphere-stratosphere coupling?.  Geophysical Research Letters. 8225-8230. 2015
• Extreme stratospheric springs and their consequences for the onset of polar mesospheric clouds.  Journal of Atmospheric and Solar-Terrestrial Physics. 74-81. 2015
• Modeling and mechanisms of polar winter upper stratosphere/lower mesosphere disturbances in WACCM.  Journal of Geophysical Research: Atmospheres. 7635-7647. 2015
• Simulated solar cycle effects on the middle atmosphere: WACCM3 Versus WACCM4.  Journal of Advances in Modeling Earth Systems. 806-822. 2015
• Simulation of energetic particle precipitation effects during the 2003-2004 Arctic winter.  Journal of Geophysical Research: Space Physics. 5035-5048. 2015
• A climatology of planetary wave-driven mesospheric inversion layers in the extratropical winter.  Journal of Geophysical Research: Atmospheres. 399-413. 2015
• A multi tracer analysis of thermosphere to stratosphere descent triggered by the 2013 Stratospheric Sudden Warming.  Geophysical Research Letters. 5216-5222. 2014
• Stratosphere-mesosphere coupling during stratospheric sudden warming events.  Advances in Space Research. 1265-1289. 2014
• Middle atmospheric changes caused by the January and March 2012 solar proton events.  Atmospheric Chemistry and Physics. 1025-1038. 2014
• The influence of major sudden stratospheric warming and elevated stratopause events on the effects of energetic particle precipitation in WACCM.  Journal of Geophysical Research: Atmospheres. 11636-11646. 2013
• The influence of major sudden stratospheric warming and elevated stratopause events on the effects of energetic particle precipitation in WACCM.  Journal of Geophysical Research: Atmospheres. 2013
• Nighttime secondary ozone layer during major stratospheric sudden warmings in specified-dynamics WACCM.  Journal of Geophysical Research: Atmospheres. 8346-8358. 2013
• Satellite observations of ozone in the upper mesosphere.  Journal of Geophysical Research: Atmospheres. 5803-5821. 2013
• The solar proton events in 2012 as observed by MIPAS.  Geophysical Research Letters. 2339-2343. 2013
• A climatology of polar winter stratopause warmings and associated planetary wave breaking.  Journal of Geophysical Research: Atmospheres. 4168-4180. 2013
• A climatology of the stratopause in WACCM and the zonally asymmetric elevated stratopause.  Journal of Geophysical Research: Atmospheres. 2241-2254. 2013
• A climatology of elevated stratopause events in the whole atmosphere community climate model.  Journal of Geophysical Research: Atmospheres. 1234-1246. 2013
• High Resolution Dynamics Limb Sounder observations of the gravity wave-driven elevated stratopause in 2006.  Journal of Geophysical Research: Atmospheres. 2012
• On the onset of polar mesospheric cloud seasons as observed by SBUV.  Journal of Geophysical Research: Atmospheres. 2012
• A climatology of stratopause temperature and height in the polar vortex and anticyclones.  Journal of Geophysical Research: Atmospheres. 2012
• Atmospheric effects of energetic particle precipitation in the Arctic winter 1978-1979 revisited.  Journal of Geophysical Research: Atmospheres. 2012
• On the seasonal onset of polar mesospheric clouds and the breakdown of the stratospheric polar vortex in the Southern Hemisphere.  Journal of Geophysical Research: Atmospheres. 2011
• A climatology of cold air outbreaks over North America: WACCM and ERA-40 comparison and analysis.  Journal of Geophysical Research: Atmospheres. 2011
• Modelling the effect of denitrification on polar ozone depletion for Arctic winter 2004/2005.  Atmospheric Chemistry and Physics. 6559-6573. 2011
• Gravity wave activity in the Arctic stratosphere and mesosphere during the 2007-2008 and 2008-2009 stratospheric sudden warming events.  Journal of Geophysical Research: Atmospheres. 2010
• Front-like behavior in the Arctic wintertime upper stratosphere and lower mesosphere.  Journal of Geophysical Research: Atmospheres. 2010
• Rayleigh lidar observations of reduced gravity wave activity during the formation of an elevated stratopause in 2004 at Chatanika, Alaska (65 degrees N, 147 degrees W).  Journal of Geophysical Research: Atmospheres. 2010
• Breakdown of potential vorticity-based equivalent latitude as a vortex-centered coordinate in the polar winter mesosphere.  Journal of Geophysical Research: Atmospheres. 2009
• Intra-seasonal variability of polar mesospheric clouds due to inter-hemispheric coupling.  Geophysical Research Letters. 2009
• NOx descent in the Arctic middle atmosphere in early 2009.  Geophysical Research Letters. 2009
• Low-ozone pockets observed by EOS-MLS.  Journal of Geophysical Research: Atmospheres. 2008
• Numerical simulations of the three-dimensional distribution of meteoric dust in the mesosphere and upper stratosphere.  Journal of Geophysical Research: Atmospheres. 2008
• Global observations of HNO3 from the High Resolution Dynamics Limb Sounder (HIRDLS): First results.  Journal of Geophysical Research: Atmospheres. 2008
• High Resolution Dynamics Limb Sounder: Experiment overview, recovery, and validation of initial temperature data.  Journal of Geophysical Research: Atmospheres. 2008
• Initial validation of ozone measurements from the High Resolution Dynamics Limb Sounder.  Journal of Geophysical Research: Atmospheres. 2008
• Solar occultation satellite data and derived meteorological products: Sampling issues and comparisons with Aura Microwave Limb Sounder.  Journal of Geophysical Research: Atmospheres. 2007
• Sensitivity of chemical tracers to meteorological parameters in the MOZART-3 chemical transport model.  Journal of Geophysical Research: Atmospheres. 2007
• Energetic particle precipitation effects on the Southern Hemisphere stratosphere in 1992-2005.  Journal of Geophysical Research: Atmospheres. 2007
• Quantifying Arctic ozone loss during the 2004-2005 winter using satellite observations and a chemical transport model.  Journal of Geophysical Research: Atmospheres. 2007
• Enhanced NOx in 2006 linked to strong upper stratospheric Arctic vortex.  Geophysical Research Letters. 2006
• Validation of Polar Ozone and Aerosol Measurement (POAM) III version 4 stratospheric water vapor.  Journal of Geophysical Research: Atmospheres. 2006
• Southern tropical upper tropospheric zonal ozone wave-1 from SAGE II observations (1985-2002).  Journal of Geophysical Research: Atmospheres. 2006
• Global climatology of inertial instability and Rossby wave breaking in the stratosphere.  Journal of Geophysical Research: Atmospheres. 2005
• Stratospheric effects of energetic particle precipitation in 2003-2004.  Geophysical Research Letters. 2005
• 2002-2003 Arctic ozone loss deduced from POAM III satellite observations and the SLIMCAT chemical transport model.  Atmospheric Chemistry and Physics. 597-609. 2005
• On the distribution of ozone in stratospheric anticyclones.  Journal of Geophysical Research: Atmospheres. 2004
• The Nimbus 7 LIMS version 6 radiance conditioning and temperature retrieval methods and results.  Journal of Quantitative Spectroscopy and Radiative Transfer. 395-424. 2004
• SAGE III observations of Arctic polar stratospheric clouds - December 2002.  Geophysical Research Letters. 2003
• On the verification of the quality of SABER temperature, geopotential height, and wind fields by comparison with Met Office assimilated analyses.  Journal of Geophysical Research: Atmospheres. 2003
• Large-scale chemical evolution of the Arctic vortex during the 1999/2000 winter: HALOE/POAM III Lagrangian photochemical modeling for the SAGE III-Ozone Loss and Validation Experiment (SOLVE) campaign.  Journal of Geophysical Research: Atmospheres. 2002
• A climatology of stratospheric polar vortices and anticyclones.  Journal of Geophysical Research. 2002
• Tropical aerosol in the Aleutian High.  Journal of Geophysical Research: Atmospheres. 6281-6290. 1999
• Mean winds in the tropical stratosphere and mesosphere during January 1993, March 1994, and August 1994.  Journal of Geophysical Research: Atmospheres. 26033-26052. 1997
• A climatology of the Aleutian high.  Journal of the Atmospheric Sciences. 2088-2101. 1996