Lect_10_volcanic_hazards_PDCs_wi2012

Into the stratosphere as larger eruptions at lower

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into the stratosphere as larger eruptions at lower latitudes Stratospheric dispersal: Aerosols from tropical eruptions have the potential to spread around the globe (e.g Pinatubo). Atmospheric influence of eruption outside the tropics is contained within the middle and polar latitudes of the hemisphere of origin
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Global Effects of the 1991 Pinatubo Eruption
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3. Magma Chemistry Mt. St. Helens, USA (1980): Relatively small eruption produced About 0.5 km 3 of tephra and 0.3 mega tons of sulfuric acid aerosols no climatic effect El Chichon Volcano, Mexico (1982): Relatively small eruption produced about 0.3 Km 3 of tephra but 20 mega tons of sulfuric acid aerosols measurable climatic effect
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Volcanic Hazards Lava flows Ash fall Acid Rain Pyroclastic Flows Landslides (debris avalanche) Lahar Assigned reading Volcanic Hazards (under assigned reading tab on website)
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