Water Resources Research (inglés) (AGU)
12 mayo 2026
Fuente: AGU
Autores: W. A. Veness, A. P. Butler, B. F. Ochoa-Tocachi, S. Moulds, W. Buytaert
Fecha de publicación: 26 de agosto de 2022
Drought early warning systems (DEWSs) aim to spatially monitor and forecast risk of water shortage to inform early, risk-mitigating interventions. However, due to the scarcity of in situ monitoring in groundwater-dependent arid zones, spatial drought exposure is inferred using maps of satellite-based indicators such as rainfall anomalies, soil moisture, and vegetation indices. On the local scale, these coarse-resolution proxy indicators provide a poor inference of groundwater availability.
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