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    Academic Journals

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• Upper stratospheric ClO and HOCl trends (2005-2020): Aura Microwave Limb Sounder and model results.

  Authors:Lucien Froidevaux, Douglas E. Kinnison, Michelle L. Santee, Luis F. Millán, Nathaniel J. Livesey, William G. Read, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 7) Peer-Reviewed

  Apr. 12, 2022491 words Article We analyze Aura Microwave Limb Sounder (MLS) monthly zonal mean time series of ClO and HOCl between 50.sup." S and 50.sup." N to estimate upper stratospheric trends in these chlorine species from 2005 through 2020. We...

• Improved cloud detection for the Aura Microwave Limb Sounder (MLS): training an artificial neural network on colocated MLS and Aqua MODIS data.

  Authors:Frank Werner, Nathaniel J. Livesey, Michael J. Schwartz, William G. Read, Michelle L. Santee, and Galina WindFrom:Atmospheric Measurement Techniques (Vol. 14, Issue 12) Peer-Reviewed

  Dec. 9, 2021357 words Brief article An improved cloud detection algorithm for the Aura Microwave Limb Sounder (MLS) is presented. This new algorithm is based on a feedforward artificial neural network and uses as input, for each MLS limb scan, a vector...

• Microwave Limb Sounder (MLS) observations of biomass burning products in the stratosphere from Canadian forest fires in August 2017.

  Authors:Hugh C. Pumphrey, Michael J. Schwartz, Michelle L. Santee, George P. Kablick III, Michael D. Fromm, and Nathaniel J. LiveseyFrom:Atmospheric Chemistry and Physics (Vol. 21, Issue 22) Peer-Reviewed

  Nov. 15, 2021327 words Brief article Forest fires in British Columbia in August 2017 caused a pyrocumulonimbus event that injected a polluted air mass into the lower stratosphere. The Microwave Limb Sounder (MLS) on the Aura satellite first observed the...

• Investigation and amelioration of long-term instrumental drifts in water vapor and nitrous oxide measurements from the Aura Microwave Limb Sounder (MLS) and their implications for studies of variability and trends.

  Authors:Nathaniel J. Livesey, William G. Read, Lucien Froidevaux, Alyn Lambert, Michelle L. Santee, Michael J. Schwartz, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 20) Peer-Reviewed

  Oct. 15, 2021662 words Article The Microwave Limb Sounder (MLS), launched on NASA's Aura spacecraft in 2004, measures vertical profiles of the abundances of key atmospheric species from the upper troposphere to the mesosphere with daily near-global...

• Midlatitude atmospheric OH response to the most recent 11-y solar cycle

  Authors:Shuhui Wang, King-Fai Li, Thomas J. Pongetti, Stanley P. Sander, Yuk L. Yung, Mao-Chang Liang, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 110, Issue 6) Peer-Reviewed

  Feb. 5, 2013259 words Author abstract, Rep...

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• Unprecedented Arctic ozone loss in 2011

  Authors:Gloria L. Manney, Michelle L. Santee, Markus Rex, Nathaniel J. Livesey, Michael C. Pitts, Pepijn Veefkind, et al.From:Nature (Vol. 478, Issue 7370) Peer-Reviewed

  Oct. 27, 20117,664 words Report 1480LChemical ozone destruction occurs over both polar regions in local winter-spring. In the Antarctic, essentially complete removal of lower-stratospheric ozone currently results in an ozone hole every year, whereas in the...

• Interannual variations of early winter Antarctic polar stratospheric cloud formation and nitric acid observed by CALIOP and MLS

  Authors:Alyn Lambert, Michelle L. Santee, and Nathaniel J. LiveseyFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 23) Peer-Reviewed

  Dec. 8, 2016376 words Brief article We use satellite-borne measurements collected over the last decade (2006-2015) from the Aura Microwave Limb Sounder (MLS) and the Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) to investigate the nitric acid...

• Characterizing sampling and quality screening biases in infrared and microwave limb sounding

  Authors:Nathaniel J. Livesey, Michelle L. Santee, and Thomas von ClarmannFrom:Atmospheric Chemistry and Physics (Vol. 18, Issue 6) Peer-Reviewed

  Mar. 27, 201846 words Author abstract, Bri... Byline: Luis F. Millá,n, Nathaniel J. Livesey, Michelle L. Santee, Thomas von Clarmann To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• Evaluating the diurnal cycle of upper-tropospheric ice clouds in climate models using SMILES observations

  Authors:Jonathan H. Jiang, Hui Su, Chengxing Zhai, T. Janice Shen, Tongwen Wu, Jie Zhang, et al.From:Journal of the Atmospheric Sciences (Vol. 72, Issue 3) Peer-Reviewed

  Mar. 2015268 words Author abstract, Rep...

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• Validation of SMILES HCl profiles over a wide range from the stratosphere to the lower thermosphere.

  Authors:Seidai Nara, Tomohiro O. Sato, Takayoshi Yamada, Tamaki Fujinawa, Kota Kuribayashi, Takeshi Manabe, et al.From:Atmospheric Measurement Techniques (Vol. 13, Issue 12) Peer-Reviewed

  Dec. 16, 2020481 words Article Hydrogen chloride (HCl) is the most abundant (more than 95 %) among inorganic chlorine compounds Cl.sub.y in the upper stratosphere. The HCl molecule is observed to obtain long-term quantitative estimations of the total...

• Validation of Aura MLS retrievals of temperature, water vapour and ozone in the upper troposphere and lower-middle stratosphere over the Tibetan Plateau during boreal summer

  Authors:Xiaolu Yan, Jonathon S. Wright, Xiangdong Zheng, Nathaniel J. Livesey, and Xiuji ZhouFrom:Atmospheric Measurement Techniques (Vol. 9, Issue 8) Peer-Reviewed

  Aug. 3, 2016391 words Brief article We validate Aura Microwave Limb Sounder (MLS) version 3 (v3) and version 4 (v4) retrievals of summertime temperature, water vapour and ozone in the upper troposphere and lower-middle stratosphere (UTLS;...

• Evaluation of UTLS carbon monoxide simulations in GMI and GEOS-Chem chemical transport models using Aura MLS observations

  Authors:Lei Huang, Jonathan H. Jiang, Lee T. Murray, Megan R. Damon, Hui Su, and Nathaniel J. LiveseyFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 9) Peer-Reviewed

  May 9, 2016307 words Brief article This study evaluates the distribution and variation of carbon monoxide (CO) in the upper troposphere and lower stratosphere (UTLS) during 2004-2012 as simulated by two chemical transport models, using the latest version...

• Constraining the chlorine monoxide (ClO)/chlorine peroxide (ClOOl) equilibrium constant from Aura Microwave Limb Sounder measurements of nighttime ClO

  Authors:Michelle L. Santee, Stanley P. Sander, Nathaniel J. Livesey, and Lucien FroidevauxFrom:Proceedings of the National Academy of Sciences of the United States (Vol. 107, Issue 15) Peer-Reviewed

  Apr. 13, 2010248 words Author abstract, Rep...

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• Case studies of the impact of orbital sampling on stratospheric trend detection and derivation of tropical vertical velocities: solar occultation vs. limb emission sounding

  Authors:Nathaniel J. Livesey, Michelle L. Santee, Jessica L. Neu, Gloria L. Manney, and Ryan A. FullerFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 18) Peer-Reviewed

  Sept. 16, 2016289 words Brief article This study investigates the representativeness of two types of orbital sampling applied to stratospheric temperature and trace gas fields. Model fields are sampled using real sampling patterns from the Aura Microwave...

• Retrievals of tropospheric ozone profiles from the synergism of AIRS and OMI: methodology and validation

  Authors:Dejian Fu, Susan S. Kulawik, Kazuyuki Miyazaki, Kevin W. Bowman, John R. Worden, Annmarie Eldering, et al.From:Atmospheric Measurement Techniques (Vol. 11, Issue 10) Peer-Reviewed

  Oct. 12, 2018293 words Author abstract, Bri...

  The Tropospheric Emission Spectrometer (TES) on the A-Train Aura satellite was designed to profile tropospheric ozone and its precursors, taking measurements from 2004 to 2018. Starting in 2008, TES global sampling...

• Early validation analyses of atmospheric profiles from EOS MLS on the Aura satellite

  Authors:Lucien Froidevaux, Nathaniel J. Livesey, William G. Read, Yibo B. Jiang, Carlos Jimenez, Mark J. Filipiak, et al.From:IEEE Transactions on Geoscience and Remote Sensing (Vol. 44, Issue 5) Peer-Reviewed

  May 2006148 words Author abstract 60L

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• Overview: Estimating and reporting uncertainties in remotely sensed atmospheric composition and temperature.

  Authors:Thomas von Clarmann, Douglas A. Degenstein, Nathaniel J. Livesey, Stefan Bender, Amy Braverman, André Butz, et al.From:Atmospheric Measurement Techniques (Vol. 13, Issue 8) Peer-Reviewed

  Aug. 17, 2020308 words Brief article Remote sensing of atmospheric state variables typically relies on the inverse solution of the radiative transfer equation. An adequately characterized retrieval provides information on the uncertainties of the estimated...

• Retrieval algorithms for the EOS Microwave Limb Sounder (MLS)

  Authors:Nathaniel J. Livesey, W. Van Snyder, William G. Read, and Paul A. WagnerFrom:IEEE Transactions on Geoscience and Remote Sensing (Vol. 44, Issue 5) Peer-Reviewed

  May 2006149 words Author abstract 60L

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• The clear-sky unpolarized forward model for the EOS Aura Microwave Limb Sounder (MLS)

  Authors:William G. Read, Zvi Shippony, Michael J. Schwartz, Nathaniel J. Livesey, and W. Van SnyderFrom:IEEE Transactions on Geoscience and Remote Sensing (Vol. 44, Issue 5) Peer-Reviewed

  May 2006135 words Author abstract 60L

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• Indonesian fire activity and smoke pollution in 2015 show persistent nonlinear sensitivity to El Nino-induced drought

  Authors:Robert D. Field, Guido R. van der Werf, Thierry Fanin, Eric J. Fetzer, Ryan Fuller, Hiren Jethva, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 113, Issue 33) Peer-Reviewed

  Aug. 16, 20165,675 words Report 1580L

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