Groundwater response to global changes is a complex function that depends on climate change and variability, topography, aquifer characteristics, vegetation dynamics, and human activities. This book synthesizes the current state of knowledge, methodologies, and scientific approaches for assessing climate change effects on groundwater resources and identifies adaptive management practices. The findings and recommendations presented in this book are based on a selection of representative case study results carried out on a global scale. The book includes a set of policy-relevant recommendations that go beyond the presentation of purely scientific results.

1 Introduction Tropical Climates 2. The impacts of climate change and rapid development on weathered crystalline rock aquifer systems in the humid tropics of sub-Saharan Africa: evidence from south-western Uganda 3. Groundwater recharge and storage variability in southern Mali 4. Groundwater discharge as affected by land use change in small catchments: A hydrologic and economic case study in Central Brazil 5. Effects of storm surges on groundwater resources, North Andros Island, Bahamas 6. Reducing groundwater vulnerability in Carbonate Island countries in the Pacific Dry (Arid and Semiarid) Climates 7. Groundwater resources increase in the Iullemmeden Basin, West Africa 8. Climate change and its impacts on groundwater resources in Morocco: the case of the Souss-Massa basin 9. Vulnerability of groundwater quality to human activity and climate change and variability, High Plains aquifer, USA 10. Groundwater change in the Murray basin from long-term in-situ monitoring and GRACE estimates Temperate Climates 11. Impact assessment of combined climate and management scenarios on groundwater resources. The Inca-Sa Pobla hydrogeological unit (Majorca, Spain) 12. The effect of climate and anthropogenic sea level changes on Israeli coastal aquifers 13. Land subsidence and sea-level rise threaten fresh water resources in the coastal groundwater system of the Rijnland water board, The Netherlands 14. Climate change impacts on valley-bottom aquifers in mountain regions: case studies from British Columbia, Canada 15. Possible effects of climate change on groundwater resources in the central region of Santa Fe Province, Argentina Continental Climates 16. Impacts of drought on groundwater depletion in the Beijing Plain, China 17. Possible effects of climate change on hydrogeological systems: results from research on Esker aquifers in northern Finland Polar Climates 18. Impacts of climate change on groundwater in permafrost areas: case study from Svalbard, Norway Various Climates 19. Groundwater management in Asian cities under the pressures of human impacts and climate change 20. Evaluation of future climate change impacts on European groundwater resources 21. Sustainable groundwater management for large aquifer systems: tracking depletion rates from space 22. Major science findings, policy recommendations, and future work