SMAP: Soil Moisture Active Passive
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ Nov. 7, 2014
SMAP will produce detailed global maps of soil moisture, enabling insights on the way Earth's water, energy, and carbon link and work together. In addition SMAP enables a new era in global drought monitoring, flood forecasting, crop yield forecasts, and other important water-related applications.