SPARC Science update: 13 August –19 August

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


Tropospheric and stratospheric causal pathways between the MJO and NAO. By E.A. Barnes et al. in the Journal of Geophysical Research: Atmospheres.

The response of the ozone layer to quadrupled CO2 concentrations: implications for climate. By G. Chiodo and L.M. Polvani in the Journal of the Climate.

Uncertainty in the Representation of Orography in Weather and Climate Models and Implications for Parameterized Drag. By A.D. Elvidge et al. in the Journal of Advances in Modeling Earth Systems.

A diagnostic equation for tendency of lapse-rate-tropopause heights and its application. By M. Kohma and K. Sato in the Journal of the Atmospheric Sciences.

Revisiting the Agung 1963 volcanic forcing – impact of one or two eruptions. By U. Niemeier, C. Timmreck, and K. Krueger in Atmospheric Chemistry and Physics.

Large Uncertainties in Estimation of Tropical Tropopause Temperature Variabilities due to Model Vertical Resolution. By W. Wang et al. in the Geophysicl Research Letters.

Parameterization of Directional Absorption of Orographic Gravity Waves and Its Impact on the Atmospheric General Circulation Simulated by the Weather Research and Forecasting Model. By X. Xu et al. in the Journal of the Atmospheric Sciences.


Discussion papers – open for comment:

Very high stratospheric influence observed in the free troposphere over the Northern Alps – just a local phenomenon? By T. Trickl et al. in Atmospheric Chemistry and Physics.