The parameterization of saturated-unsaturated zone interaction in the estimation of land surface hydrological fluxes

抄録

Most of the Land Surface Models (LSMs) employ a soil model with a simplified lower boundary condition of free (gravity) drainage or zero flux; hence the interaction between the groundwater (GW) and soil moisture is largely neglected. In this study, we illustrate the effect of parameterization of saturated-unsaturated zone interaction on the prediction of hydrological fluxes by using a coupled LSM-GW model.