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phreatic zone

Earth science

Learn about this topic in these articles:

hydrologic cycle

  • Earth's environmental spheres
    In hydrosphere: Distribution of precipitation

    …between the groundwater zone (phreatic zone) and the overlying unsaturated zone (vadose zone) is called the groundwater table. The water balance equation for change of moisture storage in a soil is given aswhere S is storage, P is precipitation, E is evaporation, and R is surface runoff

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