Articles | Volume 14, issue 6
Geosci. Model Dev., 14, 3633–3661, 2021
https://doi.org/10.5194/gmd-14-3633-2021
Geosci. Model Dev., 14, 3633–3661, 2021
https://doi.org/10.5194/gmd-14-3633-2021
Model description paper
17 Jun 2021
Model description paper | 17 Jun 2021

A model for urban biogenic CO2 fluxes: Solar-Induced Fluorescence for Modeling Urban biogenic Fluxes (SMUrF v1)

Dien Wu et al.

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Latest update: 24 Jun 2022
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Short summary
A model (SMUrF) is presented that estimates biogenic CO2 fluxes over cities around the globe to separate out biogenic fluxes from anthropogenic emissions. The model leverages satellite-based solar-induced fluorescence data and a machine-learning technique. We evaluate the biogenic fluxes against flux observations and show contrasts between biogenic and anthropogenic fluxes over cities, revealing urban–rural flux gradients, diurnal cycles, and the resulting imprints on atmospheric-column CO2.