Volcanic Ash versus Mineral Dust: Atmospheric Processing and Environmental and Climate Impacts

<table>SO<sub>2</sub> emissions from major volcanic eruptions observed from satellite. Arc eruptions with SO<sub>2</sub> emissions exceeding 1000 kt: Mt. St. Helens 1980 (slightly less), Alaid 1981, El Chichon 1982, Mt. Pinatubo 1991, Mt. Hudson 1991, Raboul 1994, and Kasatochi 2008 (Courtesy of NASA).</table>

International Scholarly Research Notices

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Figure 3

Figure 3: Volcanic Ash versus Mineral Dust: Atmospheric Processing and Environmental and Climate Impacts 