Blog: Finding the ’sweet spots’ for managed aquifer recharge
Much of California’s $50 billion agricultural industry depends on groundwater. We typically see only what this water makes possible above the soil: almond and pistachio groves, citrus orchards, rows of lettuce and grapevines and cattle herds in a valley that supplies a quarter of the nation’s food even when surface water is scarce. But a lot is happening below the surface. Deep underground, intricate channels of sand and gravel weave through tightly packed clays and silts, allowing Earth to hold water like a sponge.