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Aura Science

2023 Science Observations

Long-term ambient sulfur dioxide concentration and its exposure riskEvolution of the Hunga Tonga-Hunga Ha’pai sulfate aerosol and water vapor plumes

Measurements from the Aura Microwave Limb Sounder (MLS) revealed that a distinct aerosol and water vapor layer formed in the stratosphere.

Analysis of recent lower-stratospheric ozone trends in chemistry climate modelsEarth’s ozone layer on track to recover within decades

Microwave Limb Sounder (MLS) data and scientists make key contributions to 2022 WMO Ozone Assessment.

Stratospheric Impacts of the Australian New Year’s FiresSignatures of Anomalous Stratospheric Polar Vortex Transport

The 2019/2020 Arctic stratospheric polar vortex was exceptionally strong and long-lived, leading to the largest chemical ozone loss on record in the Arctic.