Articles | Volume 14, issue 6
Geosci. Model Dev., 14, 3361–3382, 2021
https://doi.org/10.5194/gmd-14-3361-2021
Geosci. Model Dev., 14, 3361–3382, 2021
https://doi.org/10.5194/gmd-14-3361-2021

Development and technical paper 04 Jun 2021

Development and technical paper | 04 Jun 2021

Addressing biases in Arctic–boreal carbon cycling in the Community Land Model Version 5

Leah Birch et al.

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The high-latitude landscape or Arctic–boreal zone has been warming rapidly, impacting the carbon balance both regionally and globally. Given the possible global effects of climate change, it is important to have accurate climate model simulations. We assess the simulation of the Arctic–boreal carbon cycle in the Community Land Model (CLM 5.0). We find biases in both the timing and magnitude photosynthesis. We then use observational data to improve the simulation of the carbon cycle.