SPARC Science Update: 9-15 April

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

Global distribution of deep convection reaching tropopause in one-year GPM observations. By N. Liu and C. Liu in the Journal of Geophysical Research: Atmospheres.

Influence of atmospheric waves on the formation and the maintenance of the subtropical jet during the Northern Hemisphere winter: A new method for analyzing the responses to specific forcings. By Y. Kuroda in the Journal of Geophysical Research: Atmospheres.

Connection between the midlatitude mesosphere and sudden stratospheric warmings as measured by Rayleigh-scatter lidar. By L. Sox et al. in the Journal of Geophysical Research: Atmospheres.

Impact of the Antarctic Ozone Hole on the Vertical Coupling of the Stratosphere-Mesosphere-Lower Thermosphere System. By S. Lubis et al. in the Journal of the Atmospheric Sciences.

Stratospheric temperature trends over 1979-2015 derived from combined SSU, MLS and SABER satellite observations. By W.J. Randel et al. in the Journal of Climate.

Vortex-wide chlorine activation by a mesoscale PSC event in the Arctic winter of 2009/10. By T. Wegner et al. in Atmospheric Chemistry and Physics.

Exploring atmospheric blocking with GPS radio occultation observations. By L. Brunner et al. in Atmospheric Chemistry and Physics.

Using beryllium-7 to assess cross-tropopause transport in global models. By H. Liu et al. in Atmospheric Chemistry and Physics.

Structure and Dynamics of the Quasi-Biennial Oscillation in MERRA-2. By L. Coy et al. in the Journal of Climate.

Vertical wind retrieved by airborne lidar and analysis of island induced gravity waves in combination with numerical models and in situ particle measurements. By F. Chouza et al. in Atmospheric Chemistry and Physics.

Discussion papers – open for comment

How stratospheric are deep stratospheric intrusions? − LUAMI 2008. By T. Trickl et al. in Atmospheric Chemistry and Physics Discussions.

Ozone profiles above Kiruna from two ground-based radiometers. By N.J. Ryan et al. in Atmospheric Measurement Techniques.


A comprehensive estimate for loss of atmospheric carbon tetrachloride (CCl4) to the ocean. By J.H. Butler et al. in Atmospheric Chemistry and Physics Discussions.

Uncertainty budgets of major ozone absorption cross-sections used in UV remote sensing applications. By M. Weber et al. in Atmospheric Measurement Techniques.