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Groundwater Recharge in Tamil Nadu: Advantages of the System

Groundwater is of immense importance for human beings, serving as a major source of freshwater and used for industrial and agricultural purposes. Thermal energy from groundwater is used to generate electricity and mineral groundwater is used in medicine to treat various diseases. But, recently, increased groundwater extraction to fulfill irrigation and residential demands has led to the depletion of groundwater resources, fixable only through artificial groundwater recharge in Tamil Nadu.

The Process of Recharging Groundwater in Tamil Nadu

There are two ways of groundwater recharge in Tamil Nadu: natural groundwater recharge systems and artificial groundwater recharge systems.

  • The natural groundwater recharge system features surface water infiltrating the subsurface, seeping down to the water table through the unsaturated section, and adding to the groundwater reserve.

  • Artificial groundwater recharge done by: artificially replenishing groundwater by injecting water directly into the subsurface through injection walls or diverting surface water through infiltration basins and ponds.

Advantages of Artificial Groundwater Recharge Systems in Tamil Nadu

Significant advantages of groundwater recharge in Tamil Nadu include:

  • It helps to avoid overexploitation of groundwater and ensures long-term groundwater management by increasing groundwater levels.

  • Reduces water shortage issues

  • Helps manage depleting water resources

  • Increased groundwater storage due to a sound groundwater recharge system allows surface water sources to flow for extended periods and also helps seasonal streams acquire perennial flow in certain localities.

  • It eliminates the need to construct huge structures like dams to store large quantities of water, thus saving money and time.

  • It does not have any negative societal consequences, like loss of scarce agricultural land or population displacement

  • Water stored in a groundwater recharge system is immune from man-made and natural disasters.

  • Groundwater recharge increases the availability of groundwater, which in turn increases vegetative cover and creates more soil moisture, resulting in improved flora and fauna and reduced soil erosion.

  • Groundwater recharge also helps maintain wetland ecosystems by restricting saltwater entrance and storing water for future use.

  • The method also improves water quality in saline aquifers, further making the water ideal for cattle and agriculture farms close to the coastline.

  • Groundwater recharge has led to aquifer thermal storage to match heating and cooling demand.

  • The method has gained huge recognition recently due to considerable fossil fuel and electricity savings.

Agricultural Advantages of Groundwater Recharge

The most common advantages of groundwater recharge in the agricultural sector include greater water availability for irrigation purposes and increased yields per hectare due to improved land productivity.

Groundwater recharge in rural Tamil Nadu filters water from hand pumps and shallow drilled wells, eliminating pathogens, pollutants, and suspended particles from these sources. Another important advantage of groundwater recharge in rural areas includes water supply preservation in local village wells, thus reducing the effort and time used to collect water for domestic purposes.

Assessing the Future of Groundwater Recharge in Tamil Nadu

Considering the limited groundwater resources in Tamil Nadu and other Indian states, it becomes important to protect available water from pollution and irrational use. Therefore, further research is being carried out on increasing the efficiency of artificial groundwater recharge systems. Since the method uses less electricity, research is also being carried out on more potent energy savings and increased efficiency, specifically for large-scale applications.

Further research is also being carried out to gain a well-informed and well-rounded viewpoint to support the fact that groundwater recharge helps sustain life in several socioeconomic and physical environments. It is also crucial for groundwater management entities using groundwater recharge techniques first to identify the criteria that can guide them in determining whether the method will be effective in solving their water problems.

Conclusion

In summary, groundwater recharge systems can easily be developed and maintained by communities and individuals who benefit from them directly. Nevertheless, if you are looking for external guidance, Rainy would be the right choice. Contact them todayto maintain the water table and ensure a sustainable water supply for varied purposes.

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