Climate Change Impacts on Water Resources in the Mediterranean Region
Summary
Climate warming and shifting precipitation patterns have reduced surface water availability and accelerated groundwater depletion across the Mediterranean basin. Rising temperatures increase evapotranspiration, exacerbate seasonal droughts and shrink snowpack contributions to river flows. Coastal aquifers face saline intrusion as declining recharge coincides with growing demand from agriculture, tourism and urban centres. Mountainous catchments exhibit more erratic runoff, with intense rainfall events driving flood risks and longer dry spells undermining water supply reliability. The combined effect of climatic stressors and socio-economic pressures has intensified competition among water users, weakened ecosystem resilience and highlighted the need for integrated management that balances supply augmentation, demand reduction and ecosystem protection.
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Climate Change Impacts on Water Resources in the Mediterranean Region publication trend
The graph below shows the total number of articles in climate change impacts on water resources in the mediterranean region across all publications each year (not limited to Nature Index journals).
Technical terms
Remote sensing downscaling: A method for increasing the spatial resolution of satellite-derived climate or hydrological data to improve local water resource estimates.
GRACE (Gravity Recovery and Climate Experiment): A satellite mission that measures temporal changes in Earth’s gravity field to infer variations in terrestrial water storage.
Soil and Water Assessment Tool (SWAT): A semi-distributed hydrological model used to simulate the impacts of land management and climate on water resources.
Machine learning (in hydrology): The application of data-driven algorithms to identify patterns and predict hydrological variables such as groundwater levels.
Adaptive capacity: The ability of a system or community to adjust to climate change, moderate potential damages and cope with consequences.
Regional Climate Model (RCM): A computational tool that simulates climate processes at high spatial resolution for a limited area to assess local impacts under different greenhouse gas scenarios.
References
- Groundwater level forecasting in a data-scarce region through remote sensing data downscaling, hydrological modeling, and machine learning: A case study from Morocco. Journal of Hydrology Regional Studies (2023).
- Climate change vulnerability, water resources and social implications in North Africa. Regional Environmental Change (2020).
- Climate Change in the Mediterranean Basin (Part II): A Review of Challenges and Uncertainties in Climate Change Modeling and Impact Analyses. Water Resources Management (2023).
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