Casadevall, Thomas J.

About the author

U.S. Geological Survey, Central Region, Rocky Mountain area, Geology discipline
Atmospheric composition, Greenhouse gases, GeoscientificInformation

A Compilation of Sulfur Dioxide and Carbon Dioxide Emission-Rate Data from Mount St. Helens during 1980-88

Airborne monitoring of Mount St. Helens by the USGS began in May 1980 for sulfur dioxide emissions and in July 1980 for carbon dioxide emissions. A correlation spectrometer, or COSPEC, was used to measure sulfur dioxide in Mount St. Helens' plume. The u