Once Leh's Only Drinking Water Source, Historic T-Trench Comes Back To Life
GS3Economy · S&T · Environment · Security· Nuclear & new energy technology· Prelims·
Why in news
Lieutenant Governor Vinai Kumar Saxena inaugurated the restoration of the historic T-Trench in Leh to revive a traditional spring-fed water source.
Background
The T-Trench was built in the 1980s and served as Leh's primary drinking water source. The restored trench now discharges up to 5 lakh litres of water daily, providing water to approximately 2,000 households.
Facts for Prelims
- PlaceT-Trench: A historic spring-fed water source located in Leh, Ladakh.
- S&TGabion stone masonry: A technique using stone-filled wire baskets to prevent erosion and recharge groundwater.
- FactThe restored T-Trench provides a daily discharge of 5 lakh litres of water.
For Mains
Q. Discuss the significance of reviving traditional water harvesting structures in the context of ensuring water security in high-altitude arid regions like Ladakh.
Dimensions to cover in your answer
- Ecological restoration: Reversing the impact of unplanned construction on natural spring-fed aquifers
- Resource sustainability: Utilizing gabion masonry to mitigate soil erosion and enhance groundwater recharge
- Climate adaptation: Integrating traditional knowledge with modern engineering to combat water scarcity in arid zones
Keywords: Water Security · Traditional Knowledge · Groundwater Recharge · Gabion Masonry · Sustainable Development
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