A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).
Large anomalies in lower stratospheric water vapour and ice during the 2015–2016 El Niño. By M.A. Avery et al. in Nature Geoscience.
Quasi-12 h inertia–gravity waves in the lower mesosphere observed by the PANSY radar at Syowa Station (39.6° E, 69.0° S). By R. Shibuya et al. in Atmospheric Chemistry and Physics.
Surface ozone in the Southern Hemisphere: 20 years of data from a site with a unique setting in El Tololo, Chile. By J.G. Anet et al. in Atmospheric Chemistry and Physics.
Recent Trends in Extreme Precipitation and Temperature over Southeastern South America: The Dominant Role of Stratospheric Ozone Depletion in CESM Large Ensemble. By Y. Wu and L.M. Polvani in the Journal of Climate.
Anthropogenic aerosol effects on East Asian winter monsoon: The role of black carbon induced Tibetan Plateau warming. By Y. Jiang et al. in the Journal of Geophysical Research: Atmospheres.
Atmospheric science: The self-cleansing ability of prehistoric air. By M.I. Hegglin in Nature.
Physical Processes Controlling the Spatial Distributions of Relative Humidity in the Tropical Tropopause Layer Over the Pacific. By E.J. Jensen et al. in the Journal of Geophysical Research: Atmospheres.
Thermodynamic and dynamic responses of the hydrological cycle to solar dimming. By J.E. Smyth et al. in Atmospheric Chemistry and Physics.
Non-stationarity in Southern Hemisphere climate variability associated with the seasonal breakdown of the stratospheric polar vortex. By N.J. Byrne et al. in the Journal of Climate.
Discussion papers – open for comment
Changing transport processes in the stratosphere by radiative heating of sulfate aerosols. By U. Niemeier and H. Schmidt in Atmospheric Chemistry and Physics Discussions.
The Evolution of Zonally Asymmetric Austral Ozone in a Chemistry Climate Model. By F. Dennison et al. in Atmospheric Chemistry and Physics Discussions.
Sensitivity of surface temperature to radiative forcing by cirrus and contrails in a radiative-convective model. By U. Schumann and B. Mayer in Atmospheric Chemistry and Physics Discussions.
Hemispheric asymmetry in stratospheric NO2 trends. By M. Yela et al. in Atmospheric Chemistry and Physics Discussions.
Atmospheric Carbonyl Sulphide (OCS) measured remotely by FTIR solar absorption spectrometry. By G.C. Toon et al. in Atmospheric Chemistry and Physics Discussions.
Diagnosis of Local Gravity Wave Properties during a Sudden Stratospheric Warming. By L. Schoon and C. Zülicke in Atmospheric Chemistry and Physics Discussions.
The representation of solar cycle signals in stratospheric ozone. Part II: Analysis of global models. By A.C. Maycock et al. in Atmospheric Chemistry and Physics Discussions.
Multi-decadal Records of Stratospheric Composition and their Relationship to Stratospheric Circulation Change. By A.R. Douglass et al. in Atmospheric Chemistry and Physics Discussions.