Articles | Volume 23, issue 1
Hydrol. Earth Syst. Sci., 23, 171–190, 2019
https://doi.org/10.5194/hess-23-171-2019
Hydrol. Earth Syst. Sci., 23, 171–190, 2019
https://doi.org/10.5194/hess-23-171-2019
Research article
15 Jan 2019
Research article | 15 Jan 2019

Influence of input and parameter uncertainty on the prediction of catchment-scale groundwater travel time distributions

Miao Jing et al.

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Short summary
We evaluated the uncertainty propagation from the inputs (forcings) and parameters to the predictions of groundwater travel time distributions (TTDs) using a fully distributed numerical model (mHM-OGS) and the StorAge Selection (SAS) function. Through detailed numerical and analytical investigations, we emphasize the key role of recharge estimation in the reliable predictions of TTDs and the good interpretability of the SAS function.