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Figure

Global surface soil moisture content based on remote sensing data

Figure Created 16 Nov 2012 Published 20 Nov 2012 Last modified 21 Dec 2016

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SMOS provides a global image of surface soil moisture every three days; this map covers the period 8–15 June 2010. Yellow colours indicate drier soil surfaces; blue colours denote wetter conditions. SMOS can measure soil moisture levels to an accuracy of 4 % at a spatial resolution of 50 km — about the same as detecting a teaspoonful of water mixed into a handful of dry soil.