California governor declares drought emergency in 2 counties

Standing in the dry, cracked bottom of Lake Mendocino, Gov. Gavin Newsom declared a drought emergency Wednesday in two Northern California counties where grape growers and wineries are major users, an order that came in response ...

Parsing routes to aquifer recharge along mountain fronts

In many semiarid and arid regions around the world, groundwater drawn from basin-fill aquifers sustains local agriculture and large cities. Such aquifers are typically replenished by high-elevation precipitation and snowmelt ...

Changes in land evaporation shape the climate

Accurate estimation of how much water is evaporated from the vegetated land surface is a challenging task. A physical-based method—such as the complementary relationship (CR) of evaporation, which explicitly accounts for ...

Scientists explore outback as testbed for Mars

This week, scientists from NASA's upcoming Mars 2020 mission joined their counterparts from the joint European-Russian ExoMars mission in an expedition to the Australian Outback, one of the most remote, arid regions on the ...

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