Remote sensing technologies and soil moisture retrieval
What kind of Earth Observation technologies are used to retrieve soil moisture?
Published in
1 min readOct 12, 2018
Soil moisture is one of the most difficult soil properties to measure because of its large spatial and temporal variability.
This means that it’s useful to measure the change of the water content in soil by means of time and space. This cannot be achieved with traditional methods such as in situ measurements but with the technology that remote sensing can offer. Soil moisture can be retrieved through different remote sensing methods using a variety of data such as thermal, infrared, visible and microwave data. There are three different remote sensing groups of methods: Active, Passive and combined Active-Passive remote sensing methods. Several studies and surveys have been conducted and establish Active remote sensing methods as the most appropriate for soil moisture retrieval.
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