SMAP Soil Moisture Active Passive What is the purpose: An orbiting observatory that measures the amount of water in the top 5 cm (2 inches) of soil everywhere on Earth’s surface for every 2 -3 days . Image by _Marion from Pixabay It produces global maps of soil moisture, so creating a vast applications around the globe, It can be used for weather and climate studies. image source: NASA SMAP Publications http://smap.jpl.nasa.gov/science/publications/ Data http://smap.jpl.nasa.gov/data/ Tutorials http://smap.jpl.nasa.gov/tutorial/
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