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

Quantifying the role of internal climate variability in future climate trends. By D.W.J Thompson et al. in the Journal of Climate.

Quantifying contributions to the recent temperature variability in the tropical tropopause layer. By W. Wang et al. in Atmospheric Chemistry and Physics.

Wind extraction potential from ensemble Kalman filter assimilation of stratospheric ozone using a global shallow water model. By D.R. Allen et al. in Atmospheric Chemistry and Physics.

Polar-lower latitude linkages and their role in weather and climate prediction. By T. Jung et al. in the Bulletin of the American Meteorological Society.

Drivers of the tropospheric ozone budget throughout the 21st century under the medium-high climate scenario RCP 6.0. By L.E. Revell et al. in Atmospheric Chemistry and Physics.

Discussion Papers – Open for comment

Oceanic bromine emissions weighted by their ozone depletion potential. By S. Tegtmeier et al. in Atmospheric Chemistry and Physics Discussions.

Reassessment of MIPAS age of air trends and variability. By F.J. Haenel et al. in Atmospheric Chemistry and Physics Discussions.

Global HCFC-22 measurements with MIPAS: retrieval, validation, climatologies and trends. By M. Chirkov et al. in Atmospheric Chemistry and Physics Discussions