Greetings from NASA and the SMAP Mission!
The Soil Moisture Active Passive (SMAP) Mission is an orbiting observatory that measures the amount of water in the top 5 cm (2 inches) of soil everywhere on Earth’s surface will soon be placed in a polar orbit around Earth.
The topsoil layer is the one in which the food we eat grows and where other vegetation lives. Moisture in the soil indirectly affects us in a variety of ways. In the course of its observations, SMAP will also determine if the ground is frozen or thawed in colder areas of the world.
SMAP is designed to measure soil...
Read More About SMAP Soil Moisture Measurement Field Campaign Blog #1: What is SMAP? »
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