Science Update: 18-24 April

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

Lidar observations of gravity wave activity in the middle atmosphere over Davis (69°S, 78°E), Antarctica. By B. Kaifler et al. in the Journal of Geophysical Research: Atmospheres.

The impact of current CH4 and N2O atmospheric loss process uncertainties on calculated ozone abundances and trends. By E.L. Fleming et al. in the Journal of Geophysical Research: Atmospheres.

Climate intercomparison of GPS radio occultation, RS90/92 radiosondes and GRUAN from 2002 to 2013. By F. Ladstädter et al. in Atmospheric Measurement Techniques.

The decrease in mid-stratospheric tropical ozone since 1991. By G.E. Nedoluha et al. in Atmospheric Chemistry and Physics.

Distributions of ice supersaturation and ice crystals from airborne observations in relation to upper tropospheric dynamical boundaries. By M. Diao et al. in the Journal of Geophysical Research: Atmospheres.

Discussion Papers – open for comment

Solar geoengineering using solid aerosol in the stratosphere. By D.K. Weisenstein and D.W. Keith in Atmospheric Chemistry and Physics Discussions.

Impact of ozone observations on the structure of a tropical cyclone using coupled atmosphere–chemistry data assimilation. By S. Lim et al. in Atmospheric Chemistry and Physics Discussions.