Articles | Volume 11, issue 7
Geosci. Model Dev., 11, 3045–3069, 2018
https://doi.org/10.5194/gmd-11-3045-2018
Geosci. Model Dev., 11, 3045–3069, 2018
https://doi.org/10.5194/gmd-11-3045-2018

Model evaluation paper 31 Jul 2018

Model evaluation paper | 31 Jul 2018

EcH2O-iso 1.0: water isotopes and age tracking in a process-based, distributed ecohydrological model

Sylvain Kuppel et al.

Data sets

Water isotopes at Bruntland Burn catchment S. Kuppel, D. Tetzlaff, and C. Soulsby https://doi.org/10.20392/0a7f3ba2-e6f3-40fd-b504-2eb44b76e515

EcH2O-iso 1.0 S. Kuppel https://bitbucket.org/sylka//ech2o_iso

Water isotopes at Bruntland Burn catchment S. Kuppel, D. Tetzlaff, and C. Soulsby https://doi.org/10.20392/0a7f3ba2-e6f3-40fd-b504-2eb44b76e515

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Short summary
This paper presents a novel ecohydrological model in which both the fluxes of water and the relative concentration in stable isotopes (2H and 18O) can be simulated. Spatial heterogeneity, lateral transfers and plant-driven water use are incorporated. A thorough evaluation shows encouraging results using a wide range of in situ measurements from a Scottish catchment. The same modelling principles are then used to simulate how (and where) precipitation ages as water transits in the catchment.