Topical Collection: Determining groundwater sustainability from long-term piezometry in Sub-Saharan Africa
Colección Temática: Determinación de la sostenibilidad de las aguas subterráneas a partir de la piezometría a largo plazo en el África subsahariana
Collection Thématique: Détermination de la durabilité des eaux souterraines à partir de longues séries piézométriques en Afrique sub-Saharienne
Tematska Kolekcija: Određivanje održivosti rezervi podzemnih voda na osnovu dugoročnog piezometarskog osmatranja u podsaharskoj Africi
Coleção Tópica: Determinação da sustentabilidade das águas subterrâneas a partir da piezometria em longo prazo na África Subsaariana
Résumé
In Sub-Saharan Africa, groundwater use is a vital strategy to meet rapid increases in freshwater demand projected this century and to adapt to the region's substantial variabilities in rainfall and surface water resources, amplified by climate change. Four studies are considered, which constitute a topical collection of articles that provide new insight into the characteristics and processes by which groundwater is replenished, using recently compiled long-term groundwater-level records together with evidence from satellite data of the sustainability of exploited aquifer systems.