Groundwater resources, climate and vulnerability

Groundwater is an important component of the freshwater system and its role is becoming even more prominent as the more accessible surface water resources become increasingly exploited to support increasing populations and development. Yet despite its significance, there has been comparatively little research conducted on groundwater relative to surface water resources, particularly in the context of climate change impact assessment. This focus issue has therefore been assembled to expand upon the currently limited knowledge of groundwater systems and their links with climate. Many of the papers included here explore the interrelated issues of groundwater resources, climate-related changes and vulnerabilities at a regional scale in different continents and globally.