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Sometimes you need to get far away from something to see it clearly. Take subsurface soil moisture, the water available to plants for absorption at the root level. This needs to be measured accurately for food production vital to a growing global population. The data, along with snowpack measurements, also could help predict floods and droughts; improve water management for agriculture, hydroelectric power and drinkable water; and assist in weather forecasting.
Source: SNOOPIng on our water from space
