Persisting volcanic ash particles impact stratospheric SO2 lifetime and aerosol optical properties

Y Zhu, OB Toon, EJ Jensen, CG Bardeen… - Nature …, 2020 - nature.com
Volcanic ash is often neglected in climate simulations because ash particles are assumed to
have a short atmospheric lifetime, and to not participate in sulfur chemistry. After the Mt …

Advances in bromine speciation in volcanic plumes

A Gutmann, N Bobrowski, TJ Roberts… - Frontiers in Earth …, 2018 - frontiersin.org
Volcanoes are a significant halogen source to the atmosphere. After water, carbon dioxide
and sulfur compounds, halogens are often the most abundant gases in volcanic plumes. In …

Spatial and Temporal Variations in SO2 and PM2.5 Levels Around Kīlauea Volcano, Hawai'i During 2007–2018

RCW Whitty, E Ilyinskaya, E Mason… - Frontiers in Earth …, 2020 - frontiersin.org
Among the hazards posed by volcanoes are the emissions of gases and particles that can
affect air quality and damage agriculture and infrastructure. A recent intense episode of …

Reaction rates control high-temperature chemistry of volcanic gases in air

T Roberts, G Dayma, C Oppenheimer - Frontiers in Earth Science, 2019 - frontiersin.org
When volcanic gases enter the atmosphere, they encounter a drastically different chemical
and physical environment, triggering a range of rapid processes including photochemistry …

Investigation of volcanic emissions in the mediterranean:“The etna–antikythera connection”

A Kampouri, V Amiridis, S Solomos, A Gialitaki… - Atmosphere, 2020 - mdpi.com
Between 30 May and 6 June 2019 a series of new eruptions occured in the south-east flanks
of Mt. Etna, Italy, forming lava flows and explosive activity that was most intense during the …

[HTML][HTML] Modelling conversion into sulfates in the mid-troposphere with a 3D chemistry transport model: the case of Mount Etna's eruption on 12 April 2012

M Lachatre, S Mailler, L Menut… - Atmospheric …, 2022 - acp.copernicus.org
Volcanic activity is an important source of atmospheric sulfur dioxide (SO 2), which, after
conversion into sulfuric acid, induces impacts on rain acidity, human health, meteorology …

Large-scale particulate air pollution and chemical fingerprint of volcanic sulfate aerosols from the 2014–2015 Holuhraun flood lava eruption of Bárðarbunga volcano …

M Boichu, O Favez, V Riffault, JE Petit… - Atmospheric …, 2019 - acp.copernicus.org
Volcanic sulfate aerosols play a key role in air quality and climate. However, the rate of
oxidation of sulfur dioxide (SO 2) precursor gas to sulfate aerosols (SO 4 2-) in volcanic …

Role of Dust and Iron Solubility in Sulfate Formation during the Long-Range Transport in East Asia Evidenced by 17O-Excess Signatures

S Itahashi, S Hattori, A Ito, Y Sadanaga… - Environmental …, 2022 - ACS Publications
Numerical models have been developed to elucidate air pollution caused by sulfate
aerosols (SO42–). However, typical models generally underestimate SO42–, and oxidation …

[HTML][HTML] Observation and modelling of ozone-destructive halogen chemistry in a passively degassing volcanic plume

L Surl, T Roberts, S Bekki - Atmospheric Chemistry and Physics, 2021 - acp.copernicus.org
Volcanoes emit halogens into the atmosphere that undergo complex chemical cycling in
plumes and cause destruction of ozone. We present a case study of the Mount Etna plume in …

VolKilau: Volcano rapid response balloon campaign during the 2018 Kilauea eruption

JP Vernier, L Kalnajs, JA Diaz, T Reese… - Bulletin of the …, 2020 - journals.ametsoc.org
After nearly 35 years of stable activity, the Kilauea volcanic system in Hawaii went through
sudden changes in May 2018 with the emergence of 20 volcanic fissures along the Lower …