ArticleProceedings of the National Academy of Sciences of the United States of America2023
Impact of the Hunga Tonga volcanic eruption on stratospheric composition.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 37 citations in OpenAlex.
- Contrasting slab decarbonation patterns control deep carbon cycling efficiency in hot vs. cold subduction zones.Science advances · 2026Article
- A chemistry-informed deep learning network for mitigating the stratospheric OH data gap.Science advances · 2026Article
- The January 2022 Hunga eruption cooled the southern hemisphere in 2022 and 2023.Communications earth & environment · 2025Article
- Anomalous trends in global ocean carbon concentrations following the 2022 eruptions of Hunga Tonga-Hunga Ha'apai.Communications earth & environment · 2024Article
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Authors and funding
5 authors at 4 institutions in 2 countries.
Funding
Abstract
The explosive eruption of the Hunga Tonga-Hunga Ha'apai (HTHH) volcano on 15 January 2022 injected more water vapor into the stratosphere and to higher altitudes than ever observed in the satellite era. Here, the evolution of the stratospherically injected water vapor is examined as a function of latitude, altitude, and time in the year following the eruption (February to December 2022), and perturbations to stratospheric chemical composition resulting from the increased sulfate aerosols and water vapor are identified and analyzed. The average calculated mass distribution of elevated water vapor between hemispheres is approximately 78% Southern Hemisphere (SH) and 22% Northern Hemisphere in 2022. Significant changes in stratospheric composition following the HTHH eruption are identified using observations from the Aura Microwave Limb Sounder satellite instrument. The dominant features in the monthly mean vertical profiles averaged over 15° latitude ranges are decreases in O
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