A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).
Efficient transport of tropospheric aerosol into the stratosphere via the Asian summer monsoon anticyclone. By P. Yu et al. in the Proceedings of the National Academy of Sciences of the United States of America.
On the Similarity of Lower-Stratospheric Potential Vorticity Dipoles above Tropical and Midlatitude Deep Convection. By M.H. Hitchman and S.M. Rowe in the Journal of the Atmospheric Sciences.
Influence of Stratospheric Air Masses on Radiotracers and Ozone over the Central Mediterranean. By E. Brattich et al. in the Journal of Geophysical Research: Atmospheres.
Hemispheric differences in the annual cycle of tropical lower stratosphere transport and tracers. By O.V. Tweedy et al. in the Journal of Geophysical Research: Atmospheres.
Causes of differences in model and satellite tropospheric warming rates. By B.D. Santer et al. in Nature Geoscience.
Impact of the Montreal Protocol on Antarctic Surface Mass Balance and Implications for Global Sea-Level Rise. By M. Previdi and L.M. Polvani in the Journal of Climate.
On the relative importance of radiative and dynamical heating for tropical tropopause temperatures. By T. Birner and E. Charlesworth in the Journal of Geophysical Research: Atmospheres.
An evaluation of gravity waves and gravity wave sources in the Southern Hemisphere in a 7-km global climate simulation. By L.A. Holt et al. in the Quarterly Journal of the Royal Meteorological Society.
Sensitivity of gravity wave fluxes to interannual variations in tropical convection and zonal wind. By M.J. Alexander et al. in the Journal of Atmospheric Sciences.
Discussion papers – open for comment
MIPAS observations of volcanic sulphate aerosol and sulphur dioxide in the stratosphere. By A. Günther et al. in Atmospheric Chemistry and Physics Discussions.
Volcanic stratospheric sulphur injections and aerosol optical depth from 500 BCE to 1900 CE. By M. Toohey and M. Sigl in Earth System Science Data Discussions.
Assessing the ability to derive rates of polar middle-atmospheric descent using trace gas measurements from remote sensors. By N.J. Ryan et al. in Atmospheric Chemistry and Physics Discussions.
Long-range isentropic transport of stratospheric aerosols over Southern Hemisphere following the Calbuco eruption in April 2015. By N. Bègue et al. in Atmospheric Chemistry and Physics Discussions.
NOy production, ozone loss and changes in net radiative heating due to energetic particle precipitation in 2002–2010. By M. Sinnhuber et al. in Atmospheric Chemistry and Physics Discussions.