Question

Explain in brief the need for water recharge​

Answer 1

Answer:

Groundwater is recharged naturally by rain and snow melt and to a smaller extent by surface water (rivers and lakes). ... Recharge can help move excess salts that accumulate in the root zone to deeper soil layers, or into the groundwater system. Tree roots increase water saturation into groundwater reducing water runoff.

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Answer 2

Answer:

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Groundwater recharge on deep drainage or deep percolation is a hydrologic process where water moves downward from surface water to groundwater. The process usually occurs in the vadoes zone below plant root and is often expressed as a flux to the water table surface.

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