SPARC Science Update: 19 December – 8 January

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

Projected response of East Asian summer monsoon system to future reductions in emissions of anthropogenic aerosols and their precursors. By Z. Wang et al. in Climate Dynamics.

Effect of solar zenith angle specification in models on mean shortwave fluxes and stratospheric temperatures. By R.J. Hogan and S. Hirahara in Geophysical Research Letters.

Modulation of subtropical stratospheric gravity waves by equatorial rainfall. By N.Y. Cohen and W.R. Boos in Geophysical Research Letters.

Attribution of variations in the quasi-biennial oscillation period from the duration of easterly and westerly phases. By M. Yang and Y. Yu in Climate Dynamics.

The NASA Airborne Tropical TRopopause EXperiment (ATTREX): High-Altitude Aircraft Measurements in the Tropical Western Pacific. By J. Jensen et al. in the Bulletin of the American Meteorological Society.

The impact of stratospheric volcanic aerosol on decadal-scale climate predictions. By C. Timmreck et al. in Geophysical Research Letters.

Combining AIRS and MLS Observations for Three-Dimensional Gravity Wave Measurement. By C.J. Wright et al. in Geophysical Research Letters.

Wavelet Analysis of Polar Vortex Variability over the 20th Century. By G.M. Glovin et al. in the Journal of Geophysical Research: Atmospheres.

Stratospheric temperature changes during the satellite era. By D.J. Seidel et al. in the Journal of Geophysical Research: Atmospheres.

Discussion papers – open for comment

What controls the low ice number concentration in the upper troposphere? By C. Zhou et al. in Atmospheric Chemistry and Physics Discussions.

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