Soil Moisture
NASA
Soil moisture is the amount of water contained in the soil. From agriculture productivity to flood and drought prediction, soil moisture on Earth plays a key role in understanding our planet. How much do you know about Earth’s soil moisture?
Answer questions like ...
- Some satellites use one sensor to measure soil moisture over land and another surface property over the ocean. What is this ocean surface property?
- The only way to accurately estimate the amount of soil moisture available to a plant’s roots is to measure it in place.
- About how much of California’s water supply comes from the Sierra Nevada Mountains’ snowpack?
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