MIT-SMAP_0

The SMAP observations are providing an unprecedented level of detailed, worldwide information on the amount of water in the top 2 inches (5 centimeters) of soil, collected globally every two to three days. (Image: NASA/JPL-Caltech)

The SMAP observations are providing an unprecedented level of detailed, worldwide information on the amount of water in the top 2 inches (5 centimeters) of soil, collected globally every two to three days. (Image: NASA/JPL-Caltech)