The sulfur dioxide analyzer measures sulfur dioxide based on absorbance of ultraviolet (UV) light at one wavelength by SO2 molecules that then decay to a lower energy state by emitting UV light at a longer wavelength. The instrument sampled from a trace gas inlet on the starboard side of the fuselage.
so2-air > Sulfur Dioxide Monitor aboard AircraftVAP Type(s) > Baseline
Liu X, L Huey, R Yokelson, V Selimovic, I Simpson, M M?ller, J Jimenez, P Campuzano-Jost, A Beyersdorf, D Blake, Z Butterfield, Y Choi, J Crounse, D Day, G Diskin, M Dubey, E Fortner, T Hanisco, W Hu, L King, L Kleinman, S Meinardi, T Mikoviny, T Onasch, B Palm, J Peischl, I Pollack, T Ryerson, G Sachse, A Sedlacek, J Shilling, S Springston, J St. Clair, D Tanner, A Teng, P Wennberg, A Wisthaler, and G Wolfe. 2017. "Airborne measurements of western U.S. wildfire emissions: Comparison with prescribed burning and air quality implications." Journal of Geophysical Research: Atmospheres, 122(11), 10.1002/2016JD026315.
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