Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 10, issue 7
Articles | Volume 10, issue 7
https://doi.org/10.5194/gmd-10-2635-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-10-2635-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 7
Development and technical paper
 | 
10 Jul 2017
Development and technical paper |  | 10 Jul 2017

Constraining DALECv2 using multiple data streams and ecological constraints: analysis and application

Sylvain Delahaies, Ian Roulstone, and Nancy Nichols

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Short summary
Carbon is a fundamental constituent of life and understanding its global cycle is a key challenge for the modelling of the Earth system. We use a variational method to estimate parameters and initial conditions for the carbon cycle model DALECv2 using multiple sources of observations. We develop a methodology that helps understanding the nature of the inverse problem and evaluating solution strategies, then we demonstrate the efficiency of the variational method in an experiment using real data.
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