SPARC Science Update: 15 April – 5 May

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

Global large-scale stratosphere–troposphere exchange in modern reanalyses. By A.C. Boothe and C.R. Homeyer in Atmospheric Chemistry and Physics.

The Role of Natural Climate Variability in Recent Tropical Expansion. By R.J. Allen And M. Kovilakam in the Journal of Climate.

First reprocessing of Southern Hemisphere ADditional OZonesondes (SHADOZ) profile records (1998-2015) 1: Methodology and evaluation. By J.C. Witte et al. in the Journal of Geophysical Research: Atmospheres.

Late 21st Century Changes in the Mid-latitude Atmospheric Circulation in the CESM Large Ensemble. By Y. Peings et al. in the Journal of Climate.

The viability of trajectory analysis for diagnosing dynamical and chemical influences on ozone concentrations in the UTLS. By J.W. Bergman et al. in the Journal of Geophysical Research: Atmospheres.

Local wave activity and the onset of blocking along a potential vorticity front. By N. Nakamura and C.S.Y. Huang in the Journal of Atmospheric Sciences.

A study of different frequencies of major stratospheric sudden warmings in CMIP5 historical simulations. By M. Taguchi in the Journal of Geophysical Research: Atmospheres.

Relevant Climate Response Tests for Stratospheric Aerosol Injection: A Combined Ethical and Scientific Analysis. By A. Lenferna et al. in Earth’s Future.

The stratospheric changes inferred from 10 years of AIRS and AMSU-A radiances. By F. Pan et al. in the Journal of Climate.

Large-Scale Control of the Lower Stratosphere on Variability of Tropical Cyclone Intensity. By M. Ferrara et al. in Geophysical Research Letters.

Merged ozone profiles from four MIPAS processors. By A. Laeng et al. in Atmospheric Measurement Techniques.

Discussion papers – open for comment

Comparison of large-scale dynamical variability in the extratropical stratosphere among the JRA-55 family data sets. By M. Taguchi in Atmospheric Chemistry and Physics Discussions.

An update on ozone profile trends for the period 2000 to 2016. By W. Steinbrecht et al. in Atmospheric Chemistry and Physics Discussions.

An assessment of Ozone Mini-holes Representation in Reanalyses Over the Northern Hemisphere. By L. Millan and G. Manney in Atmospheric Chemistry and Physics Discussions.

Attribution of recent ozone changes in the Southern Hemisphere mid-latitudes using statistical analysis and chemistry-climate model simulations. By G. Zeng et al. in Atmospheric Chemistry and Physics Discussions.