Water Resources
Importance of Water
•Water
is the basic component of every living cell.
•It
is the basic input required for agriculture. •Hydrel power can be used for generating hydroelectricity.
•It provides habitat to aquatic flora and fauna.
•Common salt can be obtained from water.
Sources of Water
Ground Water:-
Water
that is hidden underground in spaces between soil and rock particlesis
known as ground water.
Surface Water:-
After
precipitation, the amount of water that does not percolate down into the ground
or does not return to the atmosphere by evaporation or transpiration and enters
the rivers, streams, lakes, ponds, wetland, or artificial reservoirs
constitutes surface water.
Effects of Over-utilization
of Ground Water
•Reduced
flow of surface water
•Lowering
of water table
•Water
logging
•Subsidence
•Degradation
of water quality
•Increased
salt content
•Increased
power costs
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