SPARC Science Update: 1-7 July

A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

Contribution of different processes to changes in tropical lower-stratospheric water vapor in chemistry–climate models. By K.M. Smalley et al. in Atmospheric Chemistry and Physics.

Effect of volcanic aerosol on stratospheric NO2 and N2O5 from 2002–2014 as measured by Odin-OSIRIS and Envisat-MIPAS. By C. Adams et al. in Atmospheric Chemistry and Physics.

Intercomparison of meteorological analyses and trajectories in the Antarctic lower stratosphere with Concordiasi superpressure balloon observations. By L. Hoffmann et al. in Atmospheric Chemistry and Physics.

Long-term change in the source contribution to surface ozone over Japan. By T. Nagashima et al. in Atmospheric Chemistry and Physics.

Ozone depletion following future volcanic eruptions. By J.E. Klobas et al. in Geophysical Research Letters.

Discussion papers – open for comment

Delayed Recovery of mid-latitude lower stratospheric Halogen Loading. By A. Engel et al. in Atmospheric Chemistry and Physics Discussions.

Ozone sensitivity to varying greenhouse gases and ozone-depleting substances in CCMI simulations. By O. Morgenstern et al. in Atmospheric Chemistry and Physics Discussions.

Merged SAGE II, Ozone_cci and OMPS ozone profiles dataset and evaluation of ozone trends in the stratosphere. By V.F. Sofieva et al. in Atmospheric Chemistry and Physics Discussions.

Ozone Impacts of Gas-Aerosol Uptake in Global Chemistry Transport Models. By S. Stadtler et al. in Atmospheric Chemistry and Physics Discussions.

MLS measurements of stratospheric hydrogen cyanide during the 2015–16 El Niño event. By H.C. Pumphrey et al. in Atmospheric Chemistry and Physics Discussions.

On the compatibility of Brewer total column ozone measurements in two adjacent valleys (Arosa and Davos) in the Swiss Alps. By R. Stübi et al. in Atmospheric Measurement Techniques Discussions.

Climate Impact of Polar Mesospheric and Stratospheric Ozone Losses due to Energetic Particle Precipitation. By K. Meraner and H. Schmidt in Atmospheric Chemistry and Physics Discussions.