Application of semi-distributed precipitation-recharge models as a tool for Managed Aquifer Recharge. Case of Duerna-Peces interfluvial aquifer (León)
DOI:
https://doi.org/10.55407/geogaceta107710Keywords:
water balance, water scarcity, managed aquifer recharge, zayasAbstract
The implementation of hydrological models is essential for hydrological planning, as well as being of great use in the evaluation of available resources for Managed Aquifer Recharge (MAR). In this work we modelled the flow recorded at the Velilla gauging station that monitoring the river Duerna (León). The objective of this model was to evaluate the available resources and their temporal distribution throughout the year for the MAR of the Duerna Peces interfluvial aquifer. This aquifer has been recharged for hundreds of years by the infiltration of water through the zayas with winter irrigation returns. The water stored in this aquifer, which has a low storage capacity, is extracted by means of dug wells at the end of the low water period to finish the irrigation campaign. A model has been obtained that: 1) reproduces the flows measured at the gauging station, 2) quantifies the resources available for the MAR, 3) identifies the most appropriate period of the year for diversion and 4) obtains calibration parameters that can be applied in neighbouring basins where there is no gauging station.
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Copyright (c) 2025 Nuria Naranjo Fernández, Jorje Jódar Bermúdez, Sergio Martos Rosillo
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