The water table is the boundary between the unsaturated zone and the saturated zone underground. Below the water table, groundwater fills any spaces between sediments and within rock.
5 - 8
Earth Science, Geology, Geography
Fresh Water Spring Iran
A freshwater spring in the desert of Iran. These springs show the importance of water tables in sustaining life in the harshest parts of Earth.
Photograph by Ulf Huebner/Alamy
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Specialist, Content Production
May 20, 2022
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