Articles | Volume 15, issue 14
https://doi.org/10.5194/amt-15-4373-2022
https://doi.org/10.5194/amt-15-4373-2022
Research article
 | 
29 Jul 2022
Research article |  | 29 Jul 2022

Development and testing of a novel sulfur dioxide sonde

Subin Yoon, Alexander Kotsakis, Sergio L. Alvarez, Mark G. Spychala, Elizabeth Klovenski, Paul Walter, Gary Morris, Ernesto Corrales, Alfredo Alan, Jorge A. Diaz, and James H. Flynn

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Latest update: 13 Dec 2024
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Short summary
SO2 is adverse to human health and the environment. A single SO2 sonde was developed to provide direct SO2 measurement with a greater vertical extent, a lower limit of detection, and less uncertainty relative to the previous dual-sonde method. The single sonde was tested in the field near volcanoes and anthropogenic sources where the sonde measured SO2 ranging from 0.5 to 940 ppb. This lighter-weight payload can be a great candidate to attach to small drones and unmanned aerial vehicles.