SPARC Science Update: 2-8 April

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

Injection of lightning-produced NOx, water vapor, wildfire emissions, and stratospheric air to the UT/LS as observed from DC3 measurements. By H. Huntreiser et al. in the Journal of Geophysical Research: Atmospheres.

Isolating the roles of different forcing agents in global stratospheric temperature changes using model integrations with incrementally added single forcings. By V. Aquila et al. in the Journal of Geophysical Research: Atmospheres.

QBO modulation of the mesopause gravity wave momentum flux over Tierra del Fuego. By R. J. de Wit et al. in Geophysical Research Letters.

Stratospheric intrusion into the troposphere during the tropical cyclone Nilam (2012). By S.S. Das et al. in the Quarterly Journal of the Royal Meteorological Society.

Does the Madden-Julian Oscillation Modulate Stratospheric Gravity Waves? By A.C. Moss et al. in Geophysical Research Letters.

A Lagrangian description on the troposphere-to-stratosphere transport changes associated with the stratospheric water drop around the year 2000. By F. Hasebe and T. Noguchi in Atmospheric Chemistry and Physics.

Stratospheric ozone chemistry feedbacks are not critical for the determination of climate sensitivity in CESM1(WACCM). By D.R. Marsh et al. in Geophysical Research Letters.

Air parcel trajectory dispersion near the tropical tropopause. By J.W. Bergman et al. in the Journal of Geophysical Research: Atmospheres.

Troposphere-stratosphere dynamical coupling in the Southern high latitudes, and its linkage to the Amundsen Sea. By M.E. England et al. in the Journal of Geophysical Research: Atmospheres.

Stratospheric CH4 and CO2 profiles derived from SCIAMACHY solar occultation measurements. By S. Noël et al. in Atmospheric Measurement Techniques.

The vertical distribution of volcanic SO2 plumes measured by IASI. By E. Carponi et al. in Atmospheric Chemistry and Physics.

Variability of water vapour in the Arctic stratosphere. By L. Thölix et al. in Atmospheric Chemistry and Physics.

The contribution of ozone to future stratospheric temperature trends. By A.C. Maycock in Geophysical Research Letters.

Discussion papers – open for comment

An assessment of the climatological representativeness of IAGOS-CARIBIC trace gas measurements using EMAC model simulations. By J. Eckstein et al. in Atmospheric Chemistry and Physics Discussions.

20 Years of ClO Measurements in the Antarctic Lower Stratosphere. By G.E. Nedoluha et al. in Atmospheric Chemistry and Physics Discussions.

Simultaneous and co-located wind measurements in the middle atmosphere by lidar and rocket-borne techniques. By F.-J. Lübken et al. in Atmospheric Measurement Techniques Discussions.

Observational evidences of the influences of tropospheric subtropical and midlatitude stratospheric westerly jets on the equatorial stratospheric intraseasonal oscillations. By G. Karthick Kumar Reddy et al. in Atmospheric Chemistry and Physics Discussions.

Effects of polar stratospheric clouds in the Nimbus-7 LIMS version 6 data set. By E. Remsberg and V. Lynn Harvey in Atmospheric Measurement Techniques Discussions.