Articles | Volume 15, issue 2
Geosci. Model Dev., 15, 787–801, 2022
https://doi.org/10.5194/gmd-15-787-2022
Geosci. Model Dev., 15, 787–801, 2022
https://doi.org/10.5194/gmd-15-787-2022
Model description paper
27 Jan 2022
Model description paper | 27 Jan 2022

Improvement of stomatal resistance and photosynthesis mechanism of Noah-MP-WDDM (v1.42) in simulation of NO2 dry deposition velocity in forests

Ming Chang et al.

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Short summary
Despite the importance of nitrogen deposition, its simulation is still insufficiently represented in current atmospheric chemistry models. In this study, the improvement of the canopy stomatal resistance mechanism and the nitrogen-limiting schemes in Noah-MP-WDDM v1.42 give new options for simulating nitrogen dry deposition velocity. This study finds that the combined BN-23 mechanism agrees better with the observed NO2 dry deposition velocity, with the mean bias reduced by 50.1 %.