2022
DOI: 10.1016/j.scitotenv.2022.153464
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Developing a pan-European high-resolution groundwater recharge map – Combining satellite data and national survey data using machine learning

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Cited by 30 publications
(15 citation statements)
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“…The direction of the model behavior with respect to elevation, as well as slope (despite the lower sensitivity), suggests that precipitation tends to infiltrate in the plain lowlands, as expected (Jaafarzadeh et al, 2021). Like elevation, bulk density (BD) also shows a relatively high sensitivity and is negatively correlated with groundwater recharge, which is similarly observed by Martinsen et al (2022). At first, this seems counterintuitive from a physical point of view, since finer materials show usually lower bulk densities than coarser ones and that those coarser materials are characterized by higher hydraulic conductivities, which favor percolation.…”
Section: Model Sensitivity and Non-linear Behaviormentioning
confidence: 59%
“…The direction of the model behavior with respect to elevation, as well as slope (despite the lower sensitivity), suggests that precipitation tends to infiltrate in the plain lowlands, as expected (Jaafarzadeh et al, 2021). Like elevation, bulk density (BD) also shows a relatively high sensitivity and is negatively correlated with groundwater recharge, which is similarly observed by Martinsen et al (2022). At first, this seems counterintuitive from a physical point of view, since finer materials show usually lower bulk densities than coarser ones and that those coarser materials are characterized by higher hydraulic conductivities, which favor percolation.…”
Section: Model Sensitivity and Non-linear Behaviormentioning
confidence: 59%
“…For a nation‐scale assessment, we compared the updated GWR to the national estimates available for the seven European countries (UK, Ireland, Finland, France, Spain, Netherlands, and Denmark). These estimates were obtained through different approaches and at varying resolutions (Martinsen et al., 2022, their Table 1). We aggregated them to the spatial resolution of 0.5° and the resulting gridded mean annual GWR values are mapped in Figure 13a.…”
Section: Discussionmentioning
confidence: 99%
“…obtained through different approaches and at varying resolutions (Martinsen et al, 2022, their Table 1). We aggregated them to the spatial resolution of 0.5°and the resulting gridded mean annual GWR values are mapped in Figure 13a.…”
Section: Comparison To Previous Studiesmentioning
confidence: 99%
“…The widespread adoption of pressure transducers linked to telemetry has given managers groundwater data at their fingertips, enabling near-real-time and online monitoring (Martinsen et al 2022 ). Fibre-optic water temperature loggers have helped understand heat flow (Ruba et al 2021 ), and the emerging technologies of quantum gravity sensors (Shearan et al 2022 ) enable the monitoring of groundwater-storage changes at the field and catchment scale.…”
Section: The Tools For Possible Solutionsmentioning
confidence: 99%