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Geography

What is the difference between surface water resource and groundwater resource? State two advantages of each.

Water Resources

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Answer

S. No.Surface water resourceGroundwater resource
1.Surface water is available on the surface of earth in the form of rivers, lakes, ponds and canals.Groundwater is the part of rainwater that seeps into the ground through the cracks and crevices.
2.Surface water resources are mostly seasonal.Ground water is available throughout the year and is recharged every monsoon.
3.Can be used directlyRequires pumping
4.Usually contaminatedUsually fit for drinking

Advantages of Surface water resource:

  1. The surface water is easily available for drinking and irrigation.
  2. The surface water is used for thermoelectric power.

Advantages of Groundwater resource:

  1. The ground water is reliable source of water for drinking.
  2. It is not wasted by evaporation.

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