What are the effect of use and over utilization of surface and ground water?
Over-exploitation of ground water lowers water tables, which may damage wetlands, cause ground subsidence, and induce salt-water intrusion in coastal aquifers. Rivers and streams have long been used for discharging the waters.
Is surface water used more than groundwater?
You can see most of the water we use came from surface-water sources, such as rivers and lakes. About 26 percent of water used came from groundwater. You can see that although the Nation uses much more surface water than groundwater, groundwater has significant importance for some of the categories.
How over utilization of surface and ground water can be prevented?
To prevent depletion of water reservoirs and reduce over-exploitation, it is very important to effectively recharge groundwater aquifers in large scale at residential, commercial and institutional buildings to percolate rainwater to water table.
What is over-exploitation of surface and ground water?
The over-exploitation of the groundwater not only cause the water level declined greatly, but also lead to land surface subsidence in some areas mainly with the deep groundwater exploitation. Now the groundwater resource is polluted very severely in many cities.
How over utilization of water affects water use?
Excessive pumping can lower the groundwater table, and cause wells to no longer be able to reach groundwater. 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.
What are the effects of overexploitation of water resources?
There are several environmental processes occurring under aquifer overexploitation conditions. These processes include groundwater table decline, subsidence, attenuation and drying of springs, decrease of river flow, and increased pollution vulnerability, among others processes.
What is difference between surface water and groundwater?
Surface water is the water that is available on land in the form of rivers, ocean, seas, lakes and ponds. Groundwater is the underground water that seeps into the soil and is located in large aquifers under the ground. This water can be accessed by digging wells and using motors. Hope this answer helps!
What is the relationship between groundwater and surface water?
Surface water bodies can gain water from groundwater, or are a source of recharge to groundwater. As a result, withdrawal of water from streams and rivers can deplete groundwater or conversely, the pumping of groundwater can deplete water in streams, rivers, lakes, wetlands, and springs.
How over Utilisation of water affects water use?
Excessive pumping can lower the groundwater table, and cause wells to no longer be able to reach groundwater. Excessive pumping in coastal areas can cause saltwater to move inland and upward, resulting in saltwater contamination of the water supply.
What are the causes of overexploitation of water?
Overexploitation occurs if a water resource, such as the Ogallala Aquifer, is mined or extracted at a rate that exceeds the recharge rate, that is, at a rate that exceeds the practical sustained yield. Recharge usually comes from area streams, rivers and lakes.
What are the effects of over utilization of water?
Overuse and 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.
- Reduced Surface Water Supplies.
- Land Subsidence.
- Water Quality Concerns.
How does using too much water affect the environment?
Overuse of freshwater in household settings means there is less fresh water for agricultural use (which affects humans on a food scarcity level), but many livestock species rely on freshwater. Wasting water or overusing household water means you’re wasting the energy-intensive process of filtration.
What’s the difference between groundwater and surface water?
Groundwater is the water that occurs below the surface of Earth while surface water is the water that is above the surface of Earth.
How is human over use of water resources?
over-utilization of surface & ground water The rapid increase in population and industrial growth led to severe demand on water resources. After using all available surface water resources to the maximum, human beings began using groundwater to meet their needs.
What are the main uses of surface water?
The main uses of surface water include drinking-water and other public uses, irrigation uses, and for use by the thermoelectric-power industry to cool electricity-generating equipment. Groundwater is an important part of the water cycle.
How are wells used to bring water to the surface?
Groundwater and Wells: Wells are used to bring groundwater to the land surface by means of pumps. Wells can be deep wells and shallow wells depending upon the depth at which ground water is available. Sometimes open dug wells are used where the water table is high.