Abstract
Sustainable management of groundwater resources is often hampered by information asymmetries between abstracters and managers. At the same time, developments in satellite remote sensing, particularly estimates of groundwater storage using the Gravity Recovery And Climate Experiment (GRACE), have dramatically improved water resource assessment. This study examines the potential for GRACE-based assessment of groundwater resources in the context of the persistent challenges of water management in Yemen, which suffers from acute groundwater depletion and water scarcity. By comparing GRACE estimates of groundwater storage change to observed well measurements in Yemen, this study indicates that GRACE can complement institutional water management reform by providing better water resources information, especially in combination with socioeconomic data visualized in a Geographic Information System (GIS). However, the case of Yemen also indicates that commonly accepted principles of water management must be adapted to harness the potential of GRACE-based groundwater storage assessment.
Published Version
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