CLIGRO

  CLIGRO - El impacto del cambio climático en los recursos de agua subterránea > Objectives

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The general objective of the project is to understand the recharge evolution in the aeolic dune belt and the Santa Olalla wetland, its relationship with the aquifer, and the role of the different main drivers of change (groundwater exploitation, vegetation and natural recharge rates) on the past and future changes in groundwater resources. There are the following specific objectives.

El impacto del cambio climático en los recursos de agua subterránea - CLIGRO

Specific objective 1: Recharge estimation in the dune belt complex.

The objective is to characterize flow and hydrogeochemical processes under real conditions from field experiments at the Aeolic dune belt. The aeolic dune belt represents the main recharge area and is essential for understanding the effect on climate change on the entire system.

Specific objective 2: Estimate impact of climate change on groundwater-surface-water interaction, recharge and hydrological functioning of the Santa Olalla lagoon in the Natural Park of Doñana.

El impacto del cambio climático en los recursos de agua subterránea - CLIGRO

Specific objective 3: Long-term series of piezometric and meteorological data will be studied to determine the presence and statistical significance of climate cycles considering groundwater extractions focussing on the La Rocina area. Additionally, the piezometric data fluctuation will be used to estimate the natural recharge.Specific objective 4: Estimation of temporal recharge and geological uncertainties based on the existing groundwater model.

Specific objective 5: Application of the existing regional groundwater mathematical model (MODFLOW) to study the impact of generated recharge time series on groundwater resources until 2100 and to optimize water management strategies.

Specific objective 6: Model based forecast of groundwater-surface water interaction during climate change at the Santa Olalla site.

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