National groundwater recharge observing system

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This project aims to improve our understanding of groundwater recharge through a sensor network deployed in underground spaces located between the soil and the aquifer. This recharge observing system will generate new knowledge which is fundamental for water resource management. Expected outcomes include quantified rainfall recharge thresholds; a better understanding of climate, vegetation and geological controls on rainfall recharge in a time of changing climate and fire regimes; and improved understanding of spatial and temporal variability of rainfall recharge across these diverse environments. This should provide significant benefits for sectors of the Australian economy which rely on the sustainable use of our groundwater resource.