Articles | Volume 18, issue 2
https://doi.org/10.5194/nhess-18-445-2018
https://doi.org/10.5194/nhess-18-445-2018
Research article
 | 
08 Feb 2018
Research article |  | 08 Feb 2018

Process-based modelling to evaluate simulated groundwater levels and frequencies in a Chalk catchment in south-western England

Simon Brenner, Gemma Coxon, Nicholas J. K. Howden, Jim Freer, and Andreas Hartmann

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Latest update: 04 Feb 2025
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Short summary
In this study we simulate groundwater levels with a semi-distributed karst model. Using a percentile approach we can assess the number of days exceeding or falling below selected groundwater level percentiles. We show that our approach is able to predict groundwater levels across all considered timescales up to the 75th percentile. We then use our approach to assess future changes in groundwater dynamics and show that projected climate changes may lead to generally lower groundwater levels.
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