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

 

Global-scale distribution of ozone in the remote troposphere from the ATom and HIPPO airborne field missions. By I. Bourgeois et al. in Atmospheric Chemistry and Physics.

Downward migration of the zonal‐mean circulation in the tropical atmosphere. By K. DallaSanta and E.P. Gerber in the Geophysical Research Letters.

Effect of deep convection on the tropical tropopause layer composition over the southwest Indian Ocean during austral summer. By S. Evan et al. in Atmospheric Chemistry and Physics.

Predictability of European Winters 2017/2018 and 2018/2019: Contrasting influences from the Tropics and stratosphere. By J. Knight et al. in the Atmospheric Science Letters.

Earth System Model Evaluation Tool (ESMValTool) v2.0 – diagnostics for emergent constraints and future projections from Earth system models in CMIP. By A. Lauer et al. in Geoscientific Model Development.

Stratospheric carbon isotope fractionation and tropospheric histories of CFC-11, CFC-12 and CFC-113 isotopologues. By M. Thomas et al. in Atmospheric Chemistry and Physics.

The effect of interactive ozone chemistry on weak and strong stratospheric polar vortex events. By J. Oehrlein, G. Chiodo, and L.N. Polvani in Atmospheric Chemistry and Physics.

 

Discussion papers – open for comment:

A Global Total Column Ozone Climate Data Record. By G.E. Bodeker et al. in Earth System Science Data.

Influence of ENSO on entry stratospheric water vapor in coupled chemistry-ocean CCMI and CMIP6 models. By C.I. Garfinkel et al. in Atmospheric Chemistry and Physics.