SPARC Science update: 24 March – 30 March

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


Rare ozone hole opens over Arctic — and it’s big. Nature news article

Decades-old refrigerators and insulation from buildings are leaking ozone-destroying chemicals: nations must act. Editorial, nature.

A pause in Southern Hemisphere circulation trends due to the Montreal Protocol. By A. Banerjee et al. in nature.

International regulations have paused a jet-stream shift in the Southern Hemisphere. By A.Y. Karpechko, in nature news & views.

On the changing role of the stratosphere on the tropospheric ozone budget: 1979‐2010. By P.T. Griffiths et al. in the Geophysical Research Letters.

Breakdown of the Linear Relationship between the Southern Hemisphere Hadley Cell Edge and Jet Latitude Changes in the Last Glacial Maximum. By S.-Y. Kim and S.-W. Son in the Journal of the Climate.

Modeling stratospheric intrusion and trans-Pacific transport on tropospheric ozone using hemispheric CMAQ during April 2010 – Part 1: Model evaluation and air mass characterization for stratosphere–troposphere transport. By S. Itahashi, et al. in Atmospheric Chemistry and Physics.

Response of the Asian summer Monsoons to a high-latitude thermal forcing: mechanisms and nonlinearities. By S. Talento et al. in Climate Dynamics.

The interaction between moist convection and the atmospheric circulation in the tropics. By L. Tomassini in the Bulletin of the American Meteorological Society.

The influence of zonally asymmetric stratospheric ozone changes on the Arctic polar vortex shift. By J. Zhang et al. in the Journal of the Climate.


Discussion papers – open for comment:

Differing responses of the QBO to SO2 injections in two global models. By U. Niemeier, J.H. Richter and S. Tilmes in Atmospheric Chemistry and Physics.