Observing low-altitude features in ozone concentrations in a shoreline environment via uncrewed aerial systems
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Published:2024-05-13
Issue:9
Volume:17
Page:2833-2847
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ISSN:1867-8548
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Container-title:Atmospheric Measurement Techniques
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language:en
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Short-container-title:Atmos. Meas. Tech.
Author:
Radtke Josie K., Kies Benjamin N., Mottishaw Whitney A., Zeuli Sydney M., Voon Aidan T. H., Koerber Kelly L., Petty Grant W.ORCID, Vermeuel Michael P.ORCID, Bertram Timothy H.ORCID, Desai Ankur R.ORCID, Hupy Joseph P., Pierce R. Bradley, Wagner Timothy J., Cleary Patricia A.ORCID
Abstract
Abstract. Ozone is a pollutant formed in the atmosphere by photochemical processes involving nitrogen oxides (NOx) and volatile organic compounds (VOCs) when exposed to sunlight. Tropospheric boundary layer ozone is regularly measured at ground stations and sampled infrequently through balloon, lidar, and crewed aircraft platforms, which have demonstrated characteristic patterns with altitude. Here, to better resolve vertical profiles of ozone within the atmospheric boundary layer, we developed and evaluated an uncrewed aircraft system (UAS) platform for measuring ozone and meteorological parameters of temperature, pressure, and humidity. To evaluate this approach, a UAS was flown with a portable ozone monitor and a meteorological temperature and humidity sensor to compare to tall tower measurements in northern Wisconsin. In June 2020, as a part of the WiscoDISCO20 campaign, a DJI M600 hexacopter UAS was flown with the same sensors to measure Lake Michigan shoreline ozone concentrations. This latter UAS experiment revealed a low-altitude structure in ozone concentrations in a shoreline environment showing the highest ozone at altitudes from 20–100 m a.g.l. These first such measurements of low-altitude ozone via a UAS in the Great Lakes region revealed a very shallow layer of ozone-rich air lying above the surface.
Funder
National Science Foundation
Publisher
Copernicus GmbH
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