Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 20, issue 4
Articles | Volume 20, issue 4
https://doi.org/10.5194/hess-20-1509-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-20-1509-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 20, issue 4
Research article
 | 
20 Apr 2016
Research article |  | 20 Apr 2016

Stem–root flow effect on soil–atmosphere interactions and uncertainty assessments

Tzu-Hsien Kuo, Jen-Ping Chen, and Yongkang Xue

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Short summary
The stem-root flow mechanism was parameterized and incorporated into the Simplified Simple Biosphere model to analyze its impact on soil moisture and land-atmospheric interactions. By testing against the Lien Hua Chih (Taiwan) and HAPEX-Mobilhy (France) measurements, the model shows that stem-root flow reduced the top-soil moisture content and moistened the deeper soil layers. Such soil moisture redistribution results in significant changes in heat flux exchange between land and atmosphere.
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