Articles | Volume 18, issue 13
https://doi.org/10.5194/gmd-18-4247-2025
https://doi.org/10.5194/gmd-18-4247-2025
Model description paper
 | 
15 Jul 2025
Model description paper |  | 15 Jul 2025

DECIPHeR-GW v1: a coupled hydrological model with improved representation of surface–groundwater interactions

Yanchen Zheng, Gemma Coxon, Mostaquimur Rahman, Ross Woods, Saskia Salwey, Youtong Rong, and Doris E. Wendt

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Cited articles

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Arheimer, B., Pimentel, R., Isberg, K., Crochemore, L., Andersson, J. C. M., Hasan, A., and Pineda, L.: Global catchment modelling using World-Wide HYPE (WWH), open data, and stepwise parameter estimation, Hydrol. Earth Syst. Sci., 24, 535–559, https://doi.org/10.5194/hess-24-535-2020, 2020. 
Badjana, H. M., Cloke, H. L., Verhoef, A., Julich, S., Camargos, C., Collins, S., Macdonald, D. M. J., McGuire, P. C., and Clark, J.: Can hydrological models assess the impact of natural flood management in groundwater-dominated catchments?, J. Flood Risk Manag., 16, e12912, https://doi.org/10.1111/jfr3.12912, 2023. 
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Short summary
Groundwater is vital for people and ecosystems, but most physical models lack the representation of surface–groundwater interactions, leading to inaccurate streamflow predictions in groundwater-rich areas. This study presents DECIPHeR-GW v1, which links surface and groundwater systems to improve predictions of streamflow and groundwater levels. Tested across England and Wales, DECIPHeR-GW shows high accuracy, especially in southeast England, making it a valuable tool for large-scale water management.
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