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Observing the impact of Calbuco volcanic aerosols on South Polar ozone depletion in 2015 Journal of Geophysical Research: Atmospheres, 2017 (Ref: 15883)
Category 1: Peer-reviewed literature

The Southern Hemisphere … Antarctic stratosphere experienced two noteworthy events in 2015: a … significant injection of sulfur from the Calbuco volcanic eruption in Chile … in April, and a record-large Antarctic ozone hole in October and November. Here…

Expanded role for gravity wave parameterization in WACCM 26th International Union of Geodesy and Geophysics (IUGG) Conference, Prague, Czech Republic, 22 June-2 July 2015, 2015 (Ref: 15726)
Category 3: Verbal presentation

The parameterization of gravity waves in the NCAR Whole Atmosphere Community Climate Model (WACCM) includes orographic, convective, and frontal sources. Even with these, the model simulates temperatures in the Antarctic lower stratosphere during winter and spring that are much lower than observed.

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