SPARC Science Update: 15-21 August

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

A Comparison of Temperature and Precipitation Responses to Different Earth Radiation Management Geoengineering Schemes. By J. Crook et al. in the Journal of Geophysical Research: Atmospheres.

On solar geoengineering and climate uncertainty. By D.G. MacMartin et al. in Geophysical Research Letters.

Study of the wind velocity layered structure in the stratosphere, mesosphere and lower thermosphere by using infrasound probing of the atmosphere. By I. Chunchuzov et al. in the Journal of Geophysical Research: Atmospheres.

Single interval shortwave radiation scheme with parameterized optical saturation and spectral overlaps. By J. Mašek et al. in the Quarterly Journal of the Royal Meteorological Society.

First observations, trends and emissions of HCFC-31 (CH2ClF) in the global atmosphere. By F. Schoenenberger et al. in Geophysical Research Letters.

Transport of Antarctic stratospheric strongly dehydrated air into the troposphere observed during the HALO-ESMVal campaign 2012. By C. Rolf et al. in Atmospheric Chemistry and Physics.

What is the limit of climate engineering by stratospheric injection of SO2? By U. Niemeier and C. Timmreck in Atmospheric Chemistry and Physics.

A method for merging nadir-sounding climate records, with an application to the global-mean stratospheric temperature data sets from SSU and AMSU. By C. McLandress et al. in Atmospheric Chemistry and Physics.

Dynamical, convective, and microphysical control on wintertime distributions of water vapor and clouds in the tropical tropopause layer. By R. Ueyama et al. in the Journal of Geophysical Research: Atmospheres.

Discussion papers – open for comment

Variability of water vapour in the Arctic stratosphere. By L. Thölix et al. in Atmospheric Chemistry and Physics Discussions.

Polar Stratospheric Cloud evolution and chlorine activation measured by CALIPSO and MLS, and modelled by ATLAS. By H. Nakajima et al. in Atmospheric Chemistry and Physics Discussions.

Upper tropospheric water vapour variability at high latitudes – Part 1: Influence of the annular modes. By C.E. Sioris et al. in Atmospheric Chemistry and Physics Discussions.