Dynamics of ENSO-driven stratosphere-to-troposphere transport of ozone over North America. By J.R. Albers et al. in Atmospheric Chemistry and Physics.

Tropospheric Expansion Under Global Warming Reduces Tropical Lower Stratospheric Ozone. By Aaron Match and Edwin P. Gerber in the Geophysical Research Letters.

Phase unlocking and the modulation of tropopause-level trace gas advection by the quasibiennial oscillation. By K. Shah et al. in the Journal of Geophysical Research: Atmospheres.

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Discussion papers – open for comment:

Signatures of the Madden-Julian Oscillation in Middle Atmosphere zonal mean Temperature: Triggering the Interhemispheric Coupling pattern. By C.G. Hoffmann, L.G. Buth, and C. von Savigny in the EGUSphere.

Indicators of the ozone recovery for selected sites in the Northern Hemisphere mid-latitudes derived from various total column ozone datasets (1980–2020). By J. Krzyścin in Atmospheric Chemistry and Physics.