SPARC Science Update: 17-23 September

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

The tropical tropopause inversion layer: variability and modulation by equatorial waves. By R.P. Kedzierski et al in Atmospheric Chemistry and Physics.

Phosgene in the UTLS: seasonal and latitudinal variations from MIPAS observations. By M. Valeri et al. in Atmospheric Measurement Techniques.

A laser-induced fluorescence instrument for aircraft measurements of sulfur dioxide in the upper troposphere and lower stratosphere. By A.W. Rollins et al. in Atmospheric Measurement Techniques.

The Mid-latitude Lower-Stratospheric Mountain Wave “Valve Layer”. By C.G. Kruse et al. in the Journal of the Atmospheric Sciences.

Aerosol Effects on Summer Monsoon over Asia during 1980s and 1990s. By I.-C. Tsai et al. in the Journal of Geophysical Research: Atmospheres.

AerGOM, an improved algorithm for stratospheric aerosol extinction retrieval from GOMOS observations – Part 1: Algorithm description. By F. Vanhellemont et al. in Atmospheric Measurement Techniques.

AerGOM, an improved algorithm for stratospheric aerosol extinction retrieval from GOMOS observations – Part 2: Intercomparisons. By C.E. Robert et al. in Atmospheric Measurement Techniques.

Detection of deep stratospheric intrusions by cosmogenic 35S. By M. Lin et al. in Proceedings of the National Academy of Sciences of the United States of America.

Do strong warm ENSO events control the phase of the stratospheric QBO? By B. Christiansen et al. in Geophysical Research Letters.

Changes in meandering of the Northern Hemisphere circulation. By G. Di Capua and D. Coumou in Environmental Research Letters.

Discussion papers – open for comment

Observed versus simulated mountain waves over Scandinavia – improvement by enhanced model resolution? By J. Wagner et al. in Atmospheric Chemistry and Physics Discussions.