Soil moisture is measured in “volumetric water content,” which refers to the amount of water in a given volume of soil. Stations record soil moisture at three different depths: 2 inches, a depth that ...

Launched in January 2015, SMAP—it stands for Soil Moisture Active Passive, not one of NASA’s best names—is the first NASA satellite to specifically measure global soil moisture.

Soil moisture content is the main factor that controls how far and at what concentration natural gas spreads from a leaked pipeline underground, a new study has found. Skip to main content.

Soil erosion inflates food prices, in particular that of paddy rice, but also wheat and other staple foods. More water is withdrawn for agriculture, with an average 1.6% increase worldwide.

From satellite images taken over a period of 26 years, a team at the UCO shows how a system of irrigation channels dating back to the Roman Empire increases the water content of the soil adjacent ...