Articles | Volume 18, issue 5
Biogeosciences, 18, 1769–1786, 2021
https://doi.org/10.5194/bg-18-1769-2021
Biogeosciences, 18, 1769–1786, 2021
https://doi.org/10.5194/bg-18-1769-2021

Research article 15 Mar 2021

Research article | 15 Mar 2021

Representing methane emissions from wet tropical forest soils using microbial functional groups constrained by soil diffusivity

Debjani Sihi et al.

Data sets

Soil chemistry data across a catena in the Luquillo Experimental Forest, Puerto Rico: A Comprehensive Framework for Modeling Emissions from Tropical Soils and Wetlands Sihi, D., López-Lloreda, C., Brenner J. M., Quinn R. K., Phillips J. R., Mayes, M. A. https://doi.org/10.15485/1618870

Porewater data across a catena in the Luquillo Experimental Forest, Puerto Rico: A Comprehensive Framework for Modeling Emissions from Tropical Soils and Wetlands Sihi, D., López-Lloreda, C. Brenner J. M., Quinn R. K., Phillips J. R., Newman B. D., Mayes, M. A. https://doi.org/10.15485/1618869

Soil chamber fluxes (CO2 and CH4) across a catena in the Luquillo Experimental Forest, Puerto Rico: A Comprehensive Framework for Modeling Emissions from Tropical Soils and Wetlands Sihi, D., Salazar-Ortiz, M., Mayes, M. A. https://doi.org/10.15485/1632882

Model code and software

PR-model v1.0 Sihi, D. https://doi.org/10.5281/zenodo.3890562

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Short summary
Humid tropical soils are important sources and sinks of methane. We used model simulation to understand how different kinds of microbes and observed soil moisture and oxygen dynamics contribute to production and consumption of methane along a wet tropical hillslope during normal and drought conditions. Drought alters the diffusion of oxygen and microbial substrates into and out of soil microsites, resulting in enhanced methane release from the entire hillslope during drought recovery.
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