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

 

Climate change and trend analysis of temperature: the case of Addis Ababa, Ethiopia. By Z.A. Alemu and M.O. Dioha in Environmental Systems Research.

Characteristics of Tropopause Polar Vortices Based on Observations over the Greenland Ice Sheet. By S.M. Borg, S.M. Cavallo and D.D. Turner in the Journal of Applied Meteorology and Climatology.

Superposition of gravity waves with different propagation characteristics observed by airborne and space-borne infrared sounders. By I. Krisch et al. in Atmospheric Chemistry and Physics.

Architecting the Future of Weather Satellites. By M.W. Maier et al. in the Bulletin of the American Meteorological Society.

Projected strengthening of the extratropical surface impacts of the stratospheric Quasi‐Biennial Oscillation. By J. Rao, C.I. Garfinkel, and I.P. White in the Geophysical Research Letters.

Prepare Scientists to Engage in Science‐Policy. By E. von Schneidemesser, M. Melamed, and J. Schmale in Earth’s Future.

 

Discussion papers – open for comment:

Effects of prescribed CMIP6 ozone on simulating the Southern Hemisphere atmospheric circulation response to ozone depletion. By I. Ivanciu et al. in Atmospheric Chemistry and Physics.

Modeling study of the impact of SO2 volcanic passive emissions on the tropospheric sulfur budget. By C. Lamotte et al. in Atmospheric Chemistry and Physics.

Using a global network of temperature lidars to identify temperature biases in the upper stratosphere in ECMWF reanalyses. By G. Marlton et al. in Atmospheric Chemistry and Physics.

Understanding the development of systematic errors in the Asian Summer Monsoon. By G.M. Martin et al. in Geoscientific Model Development.

Quasi-coincident Observations of Polar Stratospheric Clouds by Ground-based Lidar and CALIOP at Concordia (Dome C, Antarctica) from 2014 to 2018. By M. Snels et al. in Atmospheric Chemistry and Physics.

Measurement Report: Lidar measurements of stratospheric aerosol following the Raikoke and Ulawun volcanic eruptions. By G. Vaughan, D. Wareing, and H. Ricketts in Atmospheric Chemistry and Physics.