Articles | Volume 20, issue 4
https://doi.org/10.5194/hess-20-1459-2016
https://doi.org/10.5194/hess-20-1459-2016
Research article
 | 
19 Apr 2016
Research article |  | 19 Apr 2016

Global root zone storage capacity from satellite-based evaporation

Lan Wang-Erlandsson, Wim G. M. Bastiaanssen, Hongkai Gao, Jonas Jägermeyr, Gabriel B. Senay, Albert I. J. M. van Dijk, Juan P. Guerschman, Patrick W. Keys, Line J. Gordon, and Hubert H. G. Savenije

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Short summary
We present an "Earth observation-based" method for estimating root zone storage capacity – a critical parameter in land surface modelling that represents the maximum amount of soil moisture available for vegetation. Variability within a land cover type is captured, and a global model evaporation simulation is overall improved, particularly in sub-humid to humid regions with seasonality. This new method can eliminate the need for unreliable soil and root depth data in land surface modelling.