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Ladakh's Water Crisis Solved by Innovative Ice Towers
27 Jun
Summary
- Ice stupas are artificial glaciers shaped like towers to store winter water.
- These towers melt slowly, providing crucial water during the dry spring planting season.
- The low-cost invention by Sonam Wangchuk has brought water to millions in Ladakh.
Nestled in the Himalayas, Ladakh faces a severe water shortage, exacerbated by climate change. The region's agricultural dependence on seasonal glacial melt meant water often arrived too late for spring sowing.
Engineer Sonam Wangchuk developed a novel solution: ice stupas. These are artificial glaciers built in the shape of conical towers, designed to store excess winter water. Water channeled from higher streams freezes in the frigid temperatures, forming tall ice structures.
The conical shape minimizes sun exposure, allowing the ice to melt gradually over weeks. This slow melt ensures a consistent water supply for farmers during the crucial planting season.
The first ice stupa prototype stored approximately 150,000 liters, with subsequent structures holding millions of liters. This initiative has brought vital water to communities, supporting thousands of seedlings and significantly boosting local agriculture.
Wangchuk's invention earned international recognition, highlighting its low-cost, nature-aligned approach. The ice stupas demonstrate a creative, effective method for water management in arid, high-altitude regions worldwide.
