SPARC Science update: 19 February – 25 February

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


Evidence for a major missing source in the global chloromethane budget from stable carbon isotopes. By E. Bahlmann et al. in Atmospheric Chemistry and Physics.

Type Classification of Sudden Stratospheric Warming Based on Pre- and Post-Warming Periods. By H. Choi, B.-M. Kim, and W. Choi in the Journal of the Climate.

Global Impacts of ENSO Reach into the Stratosphere. By D.I.V. Domeisen, C.I. Garfinkel, and A.H. Butler in Earth & Space Science News (EOS).

Recent Trends in Stratospheric Chlorine From Very Short‐Lived Substances. By R. Hossaini et al. in the Journal of Geophysical Research: Atmospheres.

The effects of a well-resolved stratosphere on the simulated boreal winter circulation in a climate model. By Y. Kawatani et al. in the Journal of the Atmospheric Sciences.

Detection and attribution of upper-tropospheric warming over the tropical western Pacific. By Y. Li et al. in Climate Dynamics.

Bridging the Weather-to-Climate Prediction Gap. By A. Mariotti et al. in Earth & Space Science News (EOS).

An Introduction to Atmospheric Gravity Wave Science in the Polar Regions and First Results From ANGWIN. By T. Moffat-Griffin in the Journal of Geophysical Research: Atmospheres.

Interpreting contemporary trends in atmospheric methane. By A.J. Turner, C. Frankenberg, and E.A. Kort in the Proceedings of the National Academy of Sciences of the United States of America (PNAS).

Understanding the variation of stratosphere–troposphere coupling during stratospheric northern annular mode events from a mass circulation perspective. By Y. Yu and R. Ren in Climate Dynamics.

An Arctic‐Tibetan connection on subseasonal to seasonal time scale. By Y. Zhang, T. Zhu, and Y. Xue in the Geophysical Research Letters.


Discussion papers – open for comment:

Comparison of equatorial wave activity in the tropical tropopause layer and stratosphere represented in reanalyses. By Y.-H. Kim et al. in Atmospheric Chemistry and Physics.