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SO 2 > sulfate aerosol: aviation hazard

SO 2 > sulfate aerosol: aviation hazard. SO 2 as a proxy for ash Following sulfur rich eruptions of El Chichón (1982) and Pinatubo ( 1991) Crazing of acrylic windows, forward airframe damage, fading of polyurethane paint, accumulation of sulfate deposits in turbines

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SO 2 > sulfate aerosol: aviation hazard

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  1. SO2 > sulfate aerosol: aviation hazard • SO2 as a proxy for ash • Following sulfur rich eruptions of El Chichón(1982) and Pinatubo ( 1991) • Crazing of acrylic windows, forward airframe damage, fading of polyurethane paint, accumulation of sulfate deposits in turbines • Haze > reduced visibility

  2. Hazards in the air • Ash/sulfate aerosol can cause significant damage to airframes, and engine components • in-flight engine loss • windshield abrasion/crazing • instrument damage • Ash and aerosol avoidance causes substantial delays in flight operations • Unknown health hazards associated with gases

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