Articles | Volume 18, issue 5
https://doi.org/10.5194/amt-18-1163-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-1163-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Mar 2025
Research article |
| 07 Mar 2025
| 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
CORRESPONDING AUTHOR
LAERO, Université Toulouse III – Paul Sabatier, CNRS, 31400 Toulouse, France
Patrice Medina
LAERO, Université Toulouse III – Paul Sabatier, CNRS, 31400 Toulouse, France
Natalie Brett
LATMOS, Sorbonne Université, UVSQ, CNRS, 75252 Paris, France
Roman Pohorsky
Extreme Environments Research Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), 1950 Sion, Switzerland
Kathy S. Law
LATMOS, Sorbonne Université, UVSQ, CNRS, 75252 Paris, France
Slimane Bekki
LATMOS, Sorbonne Université, UVSQ, CNRS, 75252 Paris, France
Gilberto J. Fochesatto
Department of Atmospheric Sciences, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
Julia Schmale
Extreme Environments Research Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), 1950 Sion, Switzerland
Steve R. Arnold
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
Andrea Baccarini
Extreme Environments Research Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), 1950 Sion, Switzerland
Maurizio Busetto
CNR-ISAC, National Research Council of Italy, Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
Meeta Cesler-Maloney
Geophysical Institute and Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
Barbara D'Anna
LCE, Aix-Marseille Université, CNRS, 13003 Marseille, France
Stefano Decesari
CNR-ISAC, National Research Council of Italy, Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
Jingqiu Mao
Geophysical Institute and Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
Gianluca Pappaccogli
CNR-ISAC, National Research Council of Italy, Institute of Atmospheric Sciences and Climate, 73100 Lecce, Italy
Joel Savarino
IGE, Université Grenoble Alpes, CNRS, 38000 Grenoble, France
Federico Scoto
CNR-ISAC, National Research Council of Italy, Institute of Atmospheric Sciences and Climate, 73100 Lecce, Italy
William R. Simpson
Geophysical Institute and Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
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Latest update: 27 Dec 2025
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.
The Fairbanks area experiences severe pollution episodes in winter because of enhanced emissions...
