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The Hunga Tonga–Hunga Ha?apai volcano erupted on 15 January 2022, launching Lamb waves and gravity waves into the atmosphere. In this study, we present results using 13 globally distributed meteor radars and identify the volcanogenic gravity waves in the mesospheric/lower thermospheric winds.
Major mid-winter stratospheric sudden warmings (SSWs) are the largest instance of wintertime variability in the Arctic stratosphere. Because SSWs are able to cause significant surface weather anomalies on intra-seasonal timescales…
We present an overview of … state-of-the-art chemistry–climate and chemistry transport models that … are … used within phase 1 of the Chemistry–Climate Model Initiative (CCMI-1).
The Southern Hemisphere mid-latitudes, particularly the area around south-eastern Australia and New Zealand, has been suggested as one of the regions where ozone recovery might first be detected…
The continent of Antarctica has experienced some of the largest rates of both surface warming and cooling found anywhere on the planet. Unlike in the Arctic, where sea ice has been declining…
Tropospheric ozone is a greenhouse gas, ranked third in anthropogenic radiative forcing after CO2 and CH4. Ozone in the troposphere makes up an important fraction of the atmospheric shield against ultraviolet … radiation particularly when stratospheric ozone depletion events occur.
Tropospheric … ozone … is … a … greenhouse … gas, ranked … third … in … anthropogenic … radiative … forcing … after … CO2 … and … CH4.
An image of the dayside low-energy ion outflow event … that occurred on ] 6 December 2003 was constructed with … ground- and space-basedG PS (Global Positioning System) Total Electron Content (TEC) data and ion drift metcr data … from the DMSP (Defense Meteorological Satellite Program)…