Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 18, issue 11
Articles | Volume 18, issue 11
https://doi.org/10.5194/essd-18-8107-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-8107-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 11
Data description article
 | 
05 Nov 2026
Data description article |  | 05 Nov 2026

Age of smoke sampled by aircraft during FIREX-AQ: methods and critical evaluation

Christopher D. Holmes, Joshua P. Schwarz, Charles H. Fite, Anxhelo Agastra, Holly K. Nowell, Katherine Ball, T. Paul Bui, Jonathan Dean-Day, Zachary C. J. Decker, Joshua P. DiGangi, Glenn S. Diskin, Emily M. Gargulinski, Hannah Halliday, Shobha Kondragunta, John B. Nowak, David A. Peterson, Michael A. Robinson, Amber J. Soja, Rebecca A. Washenfelder, Chuanyu Xu, and Robert J. Yokelson

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Short summary
Smoke age is an important factor in the chemical and physical evolution of smoke. Two methods for determining the age of smoke are applied to the NASA-NOAA FIREX-AQ field campaign: one based on wind speed and distance, and another using an ensemble of modeled air parcel trajectories. Both methods are evaluated, with the trajectory method, which includes plume rise and uncertainty estimates, proving more accurate.
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