Articles | Volume 12, issue 10
https://doi.org/10.5194/amt-12-5381-2019
https://doi.org/10.5194/amt-12-5381-2019
Research article
 | 
09 Oct 2019
Research article |  | 09 Oct 2019

Unified quantitative observation of coexisting volcanic sulfur dioxide and sulfate aerosols using ground-based Fourier transform infrared spectroscopy

Pasquale Sellitto, Henda Guermazi, Elisa Carboni, Richard Siddans, and Mike Burton

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Short summary
Volcanoes release complex plumes of gas and particles. Volcanic gases, like SO2, can additionally condense, once released, to form particles, sulphate aerosol (SA). Observing simultaneously SO2+SA is important: their proportion provides information on the internal state of volcanoes, and can be used to predict plumes' atmospheric evolution and their environmental and climatic impacts. We developed a new method to observe simultaneously, for the first time, SO2+SA using infrared remote sensing.