Articles | Volume 25, issue 15
https://doi.org/10.5194/acp-25-8613-2025
https://doi.org/10.5194/acp-25-8613-2025
Research article
 | 
07 Aug 2025
Research article |  | 07 Aug 2025

Ozone dry deposition through plant stomata: multi-model comparison with flux observations and the role of water stress as part of AQMEII4 Activity 2

Anam M. Khan, Olivia E. Clifton, Jesse O. Bash, Sam Bland, Nathan Booth, Philip Cheung, Lisa Emberson, Johannes Flemming, Erick Fredj, Stefano Galmarini, Laurens Ganzeveld, Orestis Gazetas, Ignacio Goded, Christian Hogrefe, Christopher D. Holmes, László Horváth, Vincent Huijnen, Qian Li, Paul A. Makar, Ivan Mammarella, Giovanni Manca, J. William Munger, Juan L. Pérez-Camanyo, Jonathan Pleim, Limei Ran, Roberto San Jose, Donna Schwede, Sam J. Silva, Ralf Staebler, Shihan Sun, Amos P. K. Tai, Eran Tas, Timo Vesala, Tamás Weidinger, Zhiyong Wu, Leiming Zhang, and Paul C. Stoy

Data sets

Canopy-Atmosphere Exchange of Carbon, Water and Energy at Harvard Forest EMS Tower since 1991 ver 36 W. Munger and S. Wofsy https://doi.org/10.6073/pasta/56c6fe02a07e8a8aaff44a43a9d9a6a5

AmeriFlux BASE CA-Cbo Ontario - Mixed Deciduous, Borden Forest Site, Ver. 6-5 Ralf Staebler https://doi.org/10.17190/AMF/1498755

SMEAR II Hyytiälä forest eddy covariance (Version~4) I. Mammarella et al. https://doi.org/10.23729/40f64739-11d1-4e5f-8dc2-da931512c91c

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Short summary
Vegetation removes tropospheric ozone through stomatal uptake, and accurately modeling the stomatal uptake of ozone is important for modeling dry deposition and air quality. We evaluated the stomatal component of ozone dry deposition modeled by atmospheric chemistry models at six sites. We find that models and observation-based estimates agree at times during the growing season at all sites, but some models overestimated the stomatal component during the dry summers at a seasonally dry site.
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