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During explosive eruptions, airborne particles collide and stick together, accelerating the fallout of volcanic ash and climate-forcing aerosols. This aggregation process remains a major source of uncertainty both in ash

During explosive eruptions, airborne particles collide and stick together, accelerating the fallout of volcanic ash and climate-forcing aerosols. This aggregation process remains a major source of uncertainty both in ash dispersal forecasting and interpretation of eruptions from the geological record. Here we illuminate the mechanisms and timescales of particle aggregation from a well-characterized ‘wet’ eruption. The 2009 eruption of Redoubt Volcano, Alaska, incorporated water from the surface (in this case, a glacier), which is a common occurrence during explosive volcanism worldwide.

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    Date Created
    • 2015-08-03
    Resource Type
  • Text
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    Identifier
    • Digital object identifier: 10.1038/ncomms8860
    • Identifier Type
      International standard serial number
      Identifier Value
      2041-1723
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    Eaton, A. R., Mastin, L. G., Herzog, M., Schwaiger, H. F., Schneider, D. J., Wallace, K. L., & Clarke, A. B. (2015). Hail formation triggers rapid ash aggregation in volcanic plumes. Nature Communications, 6, 7860. doi:10.1038/ncomms8860

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