Content - SPARC Science Update: 10-19 September

  • 19 September 2017

SPARC Science Update: 10-19 September

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


Detecting recovery of the stratospheric ozone layer. By M.P. Chipperfield et al. in Nature.

Comparison of four inverse modelling systems applied to the estimation of HFC-125, HFC-134a, and SF6 emissions over Europe. By D. Brunner et al. in Atmospheric Chemistry and Physics.

The Impacts of Meteorology on the Seasonal and Interannual Variabilities of Ozone Transport from North America to East Asia. By Y. Zhu et al. in the Journal of Geophysical Research: Atmospheres.

Troposphere-stratosphere temperature trends derived from satellite data compared with ensemble simulations from WACCM. By W.J. Randel et al. in the Journal of Geophysical Research: Atmospheres.

Evaluating a space-based indicator of surface ozone-NOx-VOC sensitivity over mid-latitude source regions and application to decadal trends. By X. Jin et al. in the Journal of Geophysical Research: Atmospheres.

A quantitative analysis of the reactions involved in stratospheric ozone depletion in the polar vortex core. By I. Wohltmann et al. in Atmospheric Chemistry and Physics.

Particulate sulfur in the upper troposphere and lowermost stratosphere – sources and climate forcing. By B.G. Martinsson et al. in Atmospheric Chemistry and Physics.

Tropospheric ozone profiles by DIAL at Maïdo Observatory (Reunion Island): system description, instrumental performance and result comparison with ozone external data set. By Y. Duflot et al. in Atmospheric Measurement Techniques.

MJO-related tropical convection anomalies lead to more accurate stratospheric vortex variability in subseasonal forecast models. By C.I. Garfinkel and C. Schwartz in Geophysical Research Letters.

Regional temperature change potentials for short-lived climate forcers based on radiative forcing from multiple models. By B. Aamaas et al. in Atmospheric Chemistry and Physics.

Local and remote impacts of atmospheric cloud radiative effects onto the eddy-driven jet. By O. Watt-Meyer and D.M.W. Frierson in Geophysical Research Letters.

Uncovering the Edge of the Polar Vortex. By M. Serra et al. in the Journal of the Atmospheric Sciences.

Practical and intrinsic predictability of multi-scale weather and convectively-coupled equatorial waves during the active phase of an MJO. By Y. Ying and F. Zhang in the Journal of the Atmospheric Sciences.

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

Review of Tropical-Extratropical Teleconnections on Intraseasonal Time Scales. By C. Stan in Reviews of Geophysics.

Driving Roles of Tropospheric and Stratospheric Thermal Anomalies in Intensification and Persistence of the Arctic Superstorm in 2012. By W. Tao et al. in Geophysical Research Letters.

A New Interpretation of Vortex-Split Sudden Stratospheric Warmings in Terms of Equilibrium Statistical Mechanics. By Y. Yasuda et al. in the Journal of the Atmospheric Sciences.

 

Discussion papers - open for comment

A global, space-based stratospheric aerosol climatology: 1979 to 2016. By L.W. Thomason et al. in Earth System Science Data Discussions.

Climatology and long-term evolution of ozone and carbon monoxide in the UTLS at northern mid-latitudes, as seen by IAGOS from 1995 to 2013. By Y. Cohen et al. in Atmospheric Chemistry and Physics Discussions.

Revisiting internal gravity waves analysis using GPS RO density profiles: comparison with temperature profiles and application for wave field stability study. By P. Pisoft et al. in Atmospheric Measurement Techniques Discussions.

Evaluation of stratospheric age-of-air from CF4, C2F6, C3F8, CHF3, HFC-125, HFC-227ea and SF6; implications for the calculations of halocarbon lifetimes, fractional release factors and ozone depletion potentials. By E. Leedham Elvidge et al. in Atmospheric Chemistry and Physics Discussions.

Simultaneous assimilation of ozone profiles from multiple UV-VIS satellite instruments. By J. van Peet et al. in Atmospheric Chemistry and Physics Discussions.

Total ozone trends from 1979 to 2016 derived from five merged observational datasets – the emergence into ozone recovery. By M. Weber et al. in Atmospheric Chemistry and Physics Discussions.