Groundwater Irrigation System(GW)
A groundwater irrigation system is a method of supplying water to crops using underground water sources, such as wells, boreholes, or tube wells. This system is widely used in areas where surface water (like rivers or lakes) is insufficient or unavailable. Groundwater irrigation systems are one of the major components of irrigation development.
Groundwater irrigation is a critical component of global agriculture, especially in regions with unreliable rainfall or limited surface water sources. Research has shown that groundwater irrigation plays a crucial role in global food security, particularly in arid and semi-arid regions where surface water resources are scarce. However, challenges such as groundwater depletion, energy consumption, and sustainability concerns remain significant in the context of climate change and variability.
Groundwater Resources Lowland areas in the Terai have highly productive alluvial aquifers (250m deep) and robust recharge. Groundwater availability is variable in the Siwalik’s hard rock aquifers, and productivity and recharge is moderate. Groundwater springs in the Siwalik sustain dry season river flows. The Kathmandu Valley has highly productive, but complex, alluvial aquifers (10-300m deep). The high Himalayas have no groundwater potential.
Groundwater Resources Lowland areas in the Terai have highly productive alluvial aquifers (250m deep) and robust recharge. Groundwater availability is variable in the Siwalik’s hard rock aquifers, and productivity and recharge is moderate. Groundwater springs in the Siwalik sustain dry season river flows. The Kathmandu Valley has highly productive, but complex, alluvial aquifers (10-300m deep). The high Himalayas have no groundwater potential.
Summary
No of Deep Tubewell