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greenhart

14,277 Posts.

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11/01/25

13:36

Post #: 77361708
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Originally posted by Li789: ↑

The Hunga Tonga-Hunga Ha'apai volcano eruption in January 2022 had a unique impact on global temperatures. Unlike most volcanic eruptions which tend to cool the Earth by injecting sulfate aerosols into the stratosphere that reflect sunlight, the Hunga Tonga eruption primarily emitted water vapor.Water vapor is a potent greenhouse gas, and the eruption is estimated to have released a significant amount into the stratosphere, potentially leading to a warming effect rather than cooling. Some studies suggest this could contribute to a slight increase in global temperatures over the following years, though the exact impact is still a subject of research and debate.Therefore, while the Hunga Tonga eruption did not cause an immediate rise in temperatures, it might contribute to a small increase in global temperatures in the years following the event. However, this effect is nuanced and part of a complex climate system where many variables are at play.

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So no evidence at all that it produced the 2023-2024 spike in global temps.
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