Science Update: 21-27 February

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

Interannual variability in the large-scale dynamics of the South Asian summer monsoon. By J.M. Walker et al. in the Journal of Climate.

A Total Ozone Dependent Ozone Profile Climatology based on Ozone-Sondes and Aura MLS Data. By G.J. Labow et al. in the Journal of Geophysical Research: Atmospheres.

Contribution of liquid, NAT and ice particles to chlorine activation and ozone depletion in Antarctic winter and spring. By O. Kirner et al. in Atmospheric Chemistry and Physics.

Increasing concentrations of dichloromethane, CH2Cl2, inferred from CARIBIC air samples collected 1998–2012. By E.C. Leedham Elvidge et al. in Atmospheric Chemistry and Physics.

Discussion Papers – open for comment

Aircraft measurements of gravity waves in the upper troposphere and lower stratosphere during the START08 Field Experiment. By F. Zhang et al. in Atmospheric Chemistry and Physics Discussions.

Polar processing in a split vortex: early winter Arctic ozone loss in 2012/13. G.L. Manney et al. in Atmospheric Chemistry and Physics Discussions.

Momentum forcing of the QBO by equatorial waves in recent reanalyses. By Y.-H. Kim and H.-Y. Chun in Atmospheric Chemistry and Physics Discussions.

Unusual stratospheric ozone anomalies observed in 22 years of measurements from Lauder, New Zealand. G.E. Nedoluha et al. in Atmospheric Chemistry and Physics Discussions.