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

 

 

Observed Temperature Changes in the Troposphere and Stratosphere from 1979 to 2018. By A.K.l Steiner et al. in the Journal of the Climate.

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Inconsistencies between chemistry–climate models and observed lower stratospheric ozone trends since 1998. By W:T: Ball et al. in Atmospheric Chemistry and Physics.

Investigating stratospheric changes between 2009 and 2018 with halogenated trace gas data from aircraft, AirCores, and a global model focusing on CFC-11. By J.C. Laube et al. in Atmospheric Chemistry and Physics.

Long-term trends and impacts of polar cold airmass in boreal summer. By Q. Liu, G. Chen, and T. Iwasaki in the Environmental Research Letters.

Atmospheric gravity waves observed in the nightglow following the 21 August 2017 total solar eclipse. By I. Paulino et al. in the Geophysical Research Letters.

The Unique Characteristics and Potential Mechanisms of the MJO‐QBO Relationship. By N. Sakaeda, J. Dias, and G. Kiladis in the Journal of Geophysical Research: Atmospheres.

Observed Hemispheric Asymmetry in Stratospheric Transport Trends from 1994‐2018. By S.E. Strahan et al. in the Geophysical Research Letters.