why groundwater is overused? what can be done to check it .
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Answers
Answer:
Groundwater is the largest source of usable, fresh water in the world. In many parts of the world, especially where surface water supplies are not available, domestic, agricultural, and industrial water needs can only be met by using the water beneath the ground.
The U.S. Geological Survey compares the water stored in the ground to money kept in a bank account. If the money is withdrawn at a faster rate than new money is deposited, there will eventually be account-supply problems. Pumping water out of the ground at a faster rate than it is replenished over the long-term causes similar problems.
Groundwater depletion is primarily caused by sustained groundwater pumping. Some of the negative effects of groundwater depletion:
Lowering of the Water Table
Excessive pumping can lower the groundwater table, and cause wells to no longer be able to reach groundwater.
Increased Costs
As the water table lowers, the water must be pumped farther to reach the surface, using more energy. In extreme cases, using such a well can be cost prohibitive.
Reduced Surface Water Supplies
Groundwater and surface water are connected. When groundwater is overused, the lakes, streams, and rivers connected to groundwater can also have their supply diminished.
Land Subsidence
Land subsidence occurs when there is a loss of support below ground. This is most often caused by human activities, mainly from the overuse of groundwater, when the soil collapses, compacts, and drops.
Explanation:
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Answer:
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Explanation:
Groundwater is a heavy overused resource cause of the following reasons :
- Due to large and growing population and consequent greater demands for water and un- equal assess to it .
- In the housing societies aur colonies in the cities , there is an arrangement of on groundwater pumping devices to meet water needs ..