Articles | Volume 22, issue 3
Hydrol. Earth Syst. Sci., 22, 1911–1916, 2018
https://doi.org/10.5194/hess-22-1911-2018

Special issue: HESS Opinions 2018

Hydrol. Earth Syst. Sci., 22, 1911–1916, 2018
https://doi.org/10.5194/hess-22-1911-2018

Opinion article 19 Mar 2018

Opinion article | 19 Mar 2018

HESS Opinions: Linking Darcy's equation to the linear reservoir

Hubert H. G. Savenije

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (18 Dec 2017) by Erwin Zehe
AR by Hubert H.G. Savenije on behalf of the Authors (25 Jan 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (26 Jan 2018) by Erwin Zehe
RR by Stefan Hergarten (19 Feb 2018)
RR by Axel Kleidon (21 Feb 2018)
ED: Publish as is (26 Feb 2018) by Erwin Zehe
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Short summary
This paper provides the connection between two simple equations describing groundwater flow at different scales: the Darcy equation describes groundwater flow at pore scale, the linear reservoir equation at catchment scale. The connection between the two appears to be very simple. The two parameters of the equations are proportional, depending on the porosity of the subsoil and the resistance for the groundwater to enter the surface drainage network.