A selection of new science articles from the past week of interest to the SPARC community(a SPARC Office choice).
Case studies of nonorographic gravity waves over the Southern Ocean emphasize the role of moisture. By R. Plougonven et al. in the Journal of Geophysical Research: Atmospheres.
In-situ detection of stratosphere-troposphere-exchange of cirrus particles in the mid-latitudes. By S. Mueller et al. in Geophysical Research Letters.
Defining sudden stratospheric warmings. By A.H. Butler et al. in the Bulletin of the American Meteorological Society.
Role of stratospheric sudden warmings on the response to Central Pacific El Niño. By M. Iza and N. Calvo in Geophysical Research Letters.
Seasonal variation of gravity wave activity at mid-latitudes from 7 years of COSMIC GPS and Rayleigh lidar temperature observations. By S.M. Khaykin et al. in Geophysical Research Letters.
Sunset–sunrise difference in solar occultation ozone measurements (SAGE II, HALOE, and ACE–FTS) and its relationship to tidal vertical winds. By T. Sakazaki et al. in Atmospheric Chemistry and Physics.
Tropical Climate Change Control of the Lower Stratospheric Circulation. By P. Lin et al. in Geophysical Research Letters.
How robust are trends in the Brewer-Dobson Circulation derived from observed stratospheric temperatures? By A. Ossó et al. in the Journal of Climate.
Satellite observations of cirrus clouds in the Northern Hemisphere lowermost stratosphere. By R. Spang et al. in Atmospheric Chemistry and Physics.
Comparing and contrasting extreme stratospheric events, including their coupling to the tropospheric circulation. By E. Dunn-Sigouin and T.A. Shaw in the Journal of Geophysical Research: Atmospheres.
Determining the temporal variability in atmospheric temperature profiles measured using radiosondes and assessment of correction factors for different launch schedules. By D. Butterfield and T. Gardiner in Atmospheric Measurement Techniques.
Discussion papers – open for comment
Stratosphere–troposphere exchange (STE) in the vicinity of North Atlantic cyclones. By P. Reutter et al. in Atmospheric Chemistry and Physics Discussions.