SPARC Science update: 15 November – 21 November

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

Multidecadal increases in global tropospheric ozone derived from ozonesonde and surface site observations: can models reproduce ozone trends? By A. Christiansen et al. in Atmospheric Chemistry and Physics.

Stratospheric Circulation Changes Associated With the Hunga Tonga-Hunga Ha’apai Eruption. By L. Coy et al. in the Geophysical Research Letters.

Water vapour and ozone in the upper troposphere–lower stratosphere: global climatologies from three Canadian limb-viewing instruments. By P.S. Jeffery et al. in Atmospheric Chemistry and Physics.

Assessing Responses and Impacts of Solar climate intervention on the Earth system with stratospheric aerosol injection (ARISE-SAI): protocol and initial results from the first simulations. By J.H. Richter et al. in Geoscientific Model Development.

Pathways of Influence between Northern Hemisphere Blocking and Stratospheric Polar Vortex Variability. By K. Yessimbet, T.G. Shepherd, A.C. Ossó, and A.K. Steiner in the Geophysical Research Letters.

Discussion papers – open for comment:

Changes in global teleconnection patterns under global warming and stratospheric aerosol intervention scenarios. By A. Rezaei, K. Karami, S. Tilmes, and J.C. Moore in EGUshpere.