Environmental drivers of drought deciduous phenology in the Community Land Model

Dahlin, K. M.; Fisher, R. A.; Lawrence, P. J.

doi:10.5194/bg-12-5061-2015

Articles | Volume 12, issue 16

https://doi.org/10.5194/bg-12-5061-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-12-5061-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 16

Research article

|

26 Aug 2015

Research article |

| 26 Aug 2015

Environmental drivers of drought deciduous phenology in the Community Land Model

K. M. Dahlin, R. A. Fisher, and P. J. Lawrence

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Nov 2025	26	49	3	78
Dec 2025	22	29	10	61

Latest update: 21 Dec 2025

Short summary

We compared monthly leaf area index (LAI) estimates from the Community Land Model (CLM) in stress/drought deciduous regions of the world to a satellite-derived estimate of LAI. This comparison revealed an issue in the CLM in which leaves begin to grow during the dry season due to unrealistic soil water movement. We introduced a rainfall trigger to the stress deciduous algorithm to address this issue, then showed the impacts of this change on the fire cycle and stored carbon.