Biogeosciences
Biogeosciences
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Articles | Volume 15, issue 13
Articles | Volume 15, issue 13
https://doi.org/10.5194/bg-15-3967-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-3967-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 13
Technical note
 | 
03 Jul 2018
Technical note |  | 03 Jul 2018

Technical Note: An efficient method for accelerating the spin-up process for process-based biogeochemistry models

Yang Qu, Shamil Maksyutov, and Qianlai Zhuang

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Short summary
We developed an algorithm for a fast spin-up by finding the exact solution of a linearized system representing the cyclo-stationary state of a model and implemented it in a biogeochemistry model, the Terrestrial Ecosystem Model. For the test sites with five different plant functional types, the new method saves over 90 % of the original spin-up time in site-level simulations. The developed spin-up method will be used for future quantification of carbon dynamics at fine spatiotemporal scales.
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