Tracing the Tonga Volcano’s Presence in the Earth’s Stratosphere

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An international scientific team led by specialists from the Institute of Atmospheric Physics (IAF) of the Chinese Academy of Sciences recorded eruptive aerosols from the Tonga volcano in the stratosphere in the northern hemisphere.

And the Science Bulletin points out that scientists accidentally discovered the effects of the Tonga volcano eruption that occurred in January 2022, as part of the Water Vapor, Ozone and Particulates Research Project (SWOP). According to the researchers, such an aerosol was first detected in the western regions of the stratosphere in the northern hemisphere.

The researchers identified aerosols from the Tonga volcano based on particle diameters of 0.42-1.27 µm, which is larger than the diameter of 0.22-0.42 µm for stratospheric aerosols.

This discovery indicates that volcanic eruptions affect climate on a global and regional level. Therefore, the researchers plan to study the mechanisms that led to the separation of aerosol layers and water vapor in the Tonga plume.

It is noteworthy that earlier in April 2023, scientists at the University of Miami announced that the eruption of the Tonga volcano was the strongest in the last 100 years, with a force of about 15 megatons.

Source: Linta. EN

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