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

Optimization of the GSFC TROPOZ DIAL retrieval using synthetic lidar returns and ozonesondes – Part 1: Algorithm validation. By J.T. Sullivan et al. in Atmospheric Measurement Techniques.

The Climate Change Web Portal: a system to access and display climate and earth system model output from the CMIP5 archive. By J.D. Scott et al. in the Bulletin of the American Meteorological Society.

Concentric gravity waves over Northern China observed by an airglow imager network and satellites. By J. Xu et al. in the Journal of Geophysical Research: Atmospheres.

Origins of Climate Model Discrepancies in Atmospheric Shortwave Absorption and Global Precipitation Changes. By B. Fildier and W.D. Collins in Geophysical Research Letters.

Evaluating a new homogeneous total ozone climate data record from GOME/ERS-2, SCIAMACHY/Envisat and GOME-2/MetOp-A. By M.E. Koukouli et al. in the Journal of Geophysical Research: Atmospheres.

Consistent decrease in North Atlantic Tropical Cyclone frequency following major volcanic eruptions in the last 3 centuries. By A. Guevara-Murua et al. in Geophysical Research Letters.

Global patterns of solar influence on high cloud cover. By M. Dima and M. Voiculescu in Climate Dynamics.

The impacts of volcanic aerosol on stratospheric ozone and the Northern Hemisphere polar vortex: separating radiative-dynamical changes from direct effects due to enhanced aerosol heterogeneous chemistry. By S. Muthers et al. in Atmospheric Chemistry and Physics.

Discussion papers – open for comment

Inter-comparison of stratospheric mean-meridional circulation and eddy mixing among six reanalysis datasets. By K. Miyazaki et al. in Atmospheric Chemistry and Physics Discussions.

Ozone variability in the troposphere and the stratosphere from the first six years of IASI observations (2008–2013). By C. Wespes et al. in Atmospheric Chemistry and Physics Discussions.