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25 September 2009 Enhanced monitoring of sulfur dioxide sources with hyperspectral UV sensors
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Abstract
Sulfur dioxide, a short-lived atmospheric constituent, is oxidized to sulfate aerosols, a climate agent. Main sources are volcanoes, smelters, and fossil fuel combustion. Satellite monitoring of SO2 began with TOMS data in 1978 that detected volcanic eruption clouds. Hyperspectral instruments, like OMI and GOME, have a twenty-fold improvement in sensitivity. Degassing volcanoes, smelters, and large power plants are now monitored for a database of SO2 emission to the atmosphere. SO2 is a distinctive marker for volcanic ash clouds, a hazard to aircraft.
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Arlin Krueger, Kai Yang, and Nickolay Krotkov "Enhanced monitoring of sulfur dioxide sources with hyperspectral UV sensors", Proc. SPIE 7475, Remote Sensing of Clouds and the Atmosphere XIV, 74750Y (25 September 2009); https://doi.org/10.1117/12.830142
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