Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 20, issue 12
Articles | Volume 20, issue 12
https://doi.org/10.5194/hess-20-4963-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-20-4963-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 20, issue 12
Research article
 | 
16 Dec 2016
Research article |  | 16 Dec 2016

Estimating catchment-scale groundwater dynamics from recession analysis – enhanced constraining of hydrological models

Thomas Skaugen and Zelalem Mengistu

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Short summary
This paper introduces a new formulation of hydrological subsurface dynamics for hydrological models. The frequency distribution of the fluctuations of the catchment-scale subsurface storage is estimated from observed recessions and the mean annual runoff. The new formulation of the subsurface has been tested for 73 Norwegian catchments and is found to perform as well as the previous calibrated subsurface formulation. Recessions are better simulated using the new formulation.
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