SPARC Science Update 25 February – 3 March

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

Role of Internal Atmospheric Variability in the 2015 Extreme Winter Climate Over the North America Continent. By J. Xie and M. Zhang in Geophysical Research Letters.

Seasonal variation of gravity wave parameters using different filter methods with daylight lidar measurements at mid-latitudes. By K. Baumgartner et al. in the Journal of Geophysical Research: Atmospheres.

A decadal satellite record of gravity wave activity in the lower stratosphere to study polar stratospheric cloud formation. By L. Hoffmann et al. in Atmospheric Chemistry and Physics.

Small-scale orographic gravity wave drag in stable boundary layers and its impact on synoptic systems and near surface meteorology. By A. Tsiringakis et al. in the Quarterly Journal of the Royal Meteorological Society.

30-year lidar observations of the stratospheric aerosol layer state over Tomsk (Western Siberia, Russia). By V.V. Zuev et al. in Atmospheric Chemistry and Physics.

Revisiting Southern Hemisphere Polar Stratospheric Temperature Trends in WACCM: The Role of Dynamical Forcing. By N. Calvo et al. in Geophysical Research Letters.

Might stratospheric variability lead to improved predictability of ENSO events? By C.I. Garfinkel in Environmental Research Letters.

The effects of the Indo-Pacific warm pool on the stratosphere. By X. Zhou et al. in Climate Dynamics.

Discussion papers – open for comment

Chemical processes related to net ozone tendencies in the free troposphere. By H. Bozem et al. in Atmospheric Chemistry and Physics Discussions.

Uncertainty information in climate data records from Earth observation. By C.J. Merchant et al. in Earth System Science Data Discussions.

CCl4 distribution derived from MIPAS ESA V7 data: validation, trend and lifetime estimation. By M. Valeri in Atmospheric Chemistry and Physics Discussions.