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    Satellite-based detection of volcanic sulphur dioxide from recent eruptions in Central and South America

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    Authors
    Loyola, D.
    Van Geffen, J.
    Valks, P.
    Erbertseder, T.
    Van Roozendael, M.
    Thomas, W.
    Zimmer, W.
    Wißkirchen, K.
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    Discipline
    Physical sciences
    Subject
    detection method
    emission
    modeling
    natural hazard
    plume
    satellite altimetry
    sulfur dioxide
    three-dimensional modeling
    volcanic ash
    volcanic eruption
    Central America
    South America
    Audience
    Scientific
    Date
    2008
    Metadata
    Show full item record
    Description
    Volcanic eruptions can emit large amounts of rock fragments and fine particles (ash) into the atmosphere, as well as several gases, including sulphur dioxide (SO2). These ejecta and emissions are a major natural hazard, not only to the local population, but also to the infrastructure in the vicinity of volcanoes and to aviation. Here, we describe a methodology to retrieve quantitative information about volcanic SO2 plumes from satellite-borne measurements in the UV/Visible spectral range. The combination of a satellitebased SO2 detection scheme and a state-of-the-art 3D trajectory model enables us to confirm the volcanic origin of trace gas signals and to estimate the plume height and the effective emission height. This is demonstrated by case-studies for four selected volcanic eruptions in South and Central America, using the GOME, SCIAMACHY and GOME-2 instruments.
    Citation
    Loyola, D.; Van Geffen, J.; Valks, P.; Erbertseder, T.; Van Roozendael, M.; Thomas, W.; Zimmer, W.; Wißkirchen, K. (2008). Satellite-based detection of volcanic sulphur dioxide from recent eruptions in Central and South America. , Advances in Geosciences, Vol. 14, 35-40, DOI: 10.5194/adgeo-14-35-2008.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/4347
    doi: http://dx.doi.org/10.5194/adgeo-14-35-2008
    scopus: 2-s2.0-37749039345
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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