Articles | Volume 13, issue 18
https://doi.org/10.5194/bg-13-5183-2016
https://doi.org/10.5194/bg-13-5183-2016
Research article
 | 
19 Sep 2016
Research article |  | 19 Sep 2016

An observational constraint on stomatal function in forests: evaluating coupled carbon and water vapor exchange with carbon isotopes in the Community Land Model (CLM4.5)

Brett Raczka, Henrique F. Duarte, Charles D. Koven, Daniel Ricciuto, Peter E. Thornton, John C. Lin, and David R. Bowling

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Cited articles

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Andrews, S. F., Flanagan, L. B., Sharp, E. J., and Cai, T.: Variation in water potential, hydraulic characteristics and water source use in montane Douglas-fir and lodgepole pine trees in southwestern Alberta and consequences for seasonal changes in photosynthetic capacity, Tree Physiol., 32, 146–160, https://doi.org/10.1093/treephys/tpr136, 2012.
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Arora, V. K., Boer, G. J., Friedlingstein, P., Eby, M., Jones, C. D., Christian, J. R., Bonan, G., Bopp, L., Brovkin, V., Cadule, P., Hajima, T., Ilyina, T., Lindsay, K., Tjiputra, J. F., and Wu, T.: Carbon-Concentration and Carbon-Climate Feedbacks in CMIP5 Earth System Models, J. Clim., 26, 5289–5314, https://doi.org/10.1175/jcli-d-12-00494.1, 2013.
Ballantyne, A. P., Miller, J. B., and Tans, P. P.: Apparent seasonal cycle in isotopic discrimination of carbon in the atmosphere and biosphere due to vapor pressure deficit, Global Biogeochem. Cy., 24, GB3018, https://doi.org/10.1029/2009GB003623, 2010.
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Short summary
We use carbon isotopes of CO2 to improve the performance of a land surface model, a component with earth system climate models. We found that isotope observations can provide important information related to the exchange of carbon and water from vegetation driven by environmental stress from low atmospheric moisture and nitrogen limitation. It follows that isotopes have a unique potential to improve model performance and provide insight into land surface model development.
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