Articles | Volume 13, issue 6
Development and technical paper
03 Jun 2020
Development and technical paper |  | 03 Jun 2020

Development of a reduced-complexity plant canopy physics surrogate model for use in chemical transport models: a case study with GEOS-Chem v12.3.0

Sam J. Silva, Colette L. Heald, and Alex B. Guenther

Model code and software

Code for GEOS-Chem Canopy Model, Silva et al. S. J. Silva, C. L. Heald, and A. B. Guenther

geoschem/geos- chem: GEOS-Chem 12.3.0 (Version 12.3.0) The International GEOS-Chem User Community

Short summary
Simulating the influence of the biosphere on atmospheric chemistry has traditionally been computationally intensive. We describe a surrogate canopy physics model parameterized using a statistical learning technique and specifically designed for use in large-scale chemical transport models. Our surrogate model reproduces a more detailed model to within 10 % without a large computational demand, improving the process representation of biosphere–atmosphere exchange.