Articles | Volume 24, issue 3
Hydrol. Earth Syst. Sci., 24, 1171–1187, 2020
https://doi.org/10.5194/hess-24-1171-2020
Hydrol. Earth Syst. Sci., 24, 1171–1187, 2020
https://doi.org/10.5194/hess-24-1171-2020

Research article 11 Mar 2020

Research article | 11 Mar 2020

Hydrograph separation: an impartial parametrisation for an imperfect method

Antoine Pelletier and Vazken Andréassian

Model code and software

baseflow: Computes Hydrograph Separation Pelletier, Antoine; Andréassian, Vazken; Delaigue, Olivier https://doi.org/10.15454/Z9IK5N

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Short summary
There are many ways for water to join a river after a rainfall event, but they can be split into two categories: the quick ones that remain in the surface and the slow ones that use other trajectories. Thus, measured streamflow of a river can be split into two components: quickflow and baseflow. We present a new method to perform this separation, using only streamflow and rainfall data, which are generally broadly available. It is then used as an analysis tool of river dynamics over France.