Articles | Volume 18, issue 5
https://doi.org/10.5194/amt-18-1163-2025
https://doi.org/10.5194/amt-18-1163-2025
Research article
 | 
07 Mar 2025
Research article |  | 07 Mar 2025

Surface distributions and vertical profiles of trace gases (CO, O3, NO, NO2) in the Arctic wintertime boundary layer using low-cost sensors during ALPACA-2022

Brice Barret, Patrice Medina, Natalie Brett, Roman Pohorsky, Kathy S. Law, Slimane Bekki, Gilberto J. Fochesatto, Julia Schmale, Steve R. Arnold, Andrea Baccarini, Maurizio Busetto, Meeta Cesler-Maloney, Barbara D'Anna, Stefano Decesari, Jingqiu Mao, Gianluca Pappaccogli, Joel Savarino, Federico Scoto, and William R. Simpson

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Cited articles

Barret, B., Pohorsky, R., Fochesatto, J., Law, K., and Schmale, J.: Multi-platform trace gas (CO, O3, NO, NO2) data from the MICROMEGAS low-cost sensors instrument in Fairbanks during the Alaskan Layered Pollution and Chemical Analysis (ALPACA) field campaign in winter 2022, Arctic Data Center [data set], https://doi.org/10.18739/A2V11VN3Z, 2024. a
Bigi, A., Mueller, M., Grange, S. K., Ghermandi, G., and Hueglin, C.: Performance of NO, NO2 low cost sensors and three calibration approaches within a real world application, Atmos. Meas. Tech., 11, 3717–3735, https://doi.org/10.5194/amt-11-3717-2018, 2018. a, b, c, d, e, f
Bittner, A. S., Cross, E. S., Hagan, D. H., Malings, C., Lipsky, E., and Grieshop, A. P.: Performance characterization of low-cost air quality sensors for off-grid deployment in rural Malawi, Atmos. Meas. Tech., 15, 3353–3376, https://doi.org/10.5194/amt-15-3353-2022, 2022. a, b, c, d
Brett, N., Law, K. S., Arnold, S. R., Fochesatto, J. G., Raut, J.-C., Onishi, T., Gilliam, R., Fahey, K., Huff, D., Pouliot, G., Barret, B., Dieudonné, E., Pohorsky, R., Schmale, J., Baccarini, A., Bekki, S., Pappaccogli, G., Scoto, F., Decesari, S., Donateo, A., Cesler-Maloney, M., Simpson, W., Medina, P., D'Anna, B., Temime-Roussel, B., Savarino, J., Albertin, S., Mao, J., Alexander, B., Moon, A., DeCarlo, P. F., Selimovic, V., Yokelson, R., and Robinson, E. S.: Investigating processes influencing simulation of local Arctic wintertime anthropogenic pollution in Fairbanks, Alaska, during ALPACA-2022, Atmos. Chem. Phys., 25, 1063–1104, https://doi.org/10.5194/acp-25-1063-2025, 2025. a, b, c, d
Carotenuto, F., Brilli, L., Gioli, B., Gualtieri, G., Vagnoli, C., Mazzola, M., Viola, A. P., Vitale, V., Severi, M., Traversi, R., and Zaldei, A.: Long-Term Performance Assessment of Low-Cost Atmospheric Sensors in the Arctic Environment, Sensors-Basel, 20, 1919, https://doi.org/10.3390/s20071919, 2020. a
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Short summary
The Fairbanks area experiences severe pollution episodes in winter because of enhanced emissions of pollutants trapped near the surface by strong temperature inversions. Low-cost sensors were deployed on board a car and a tethered balloon to measure the concentrations of gaseous pollutants (CO, O3, and NOx) in Fairbanks during winter 2022. Data calibration with reference measurements and machine learning methods enabled us to document pollution at the surface and power plant plumes aloft.

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