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Himalayan Glaciers Melting at Alarming Rate
19 Sep
Summary
- 23 major Uttarakhand glaciers are melting rapidly due to global warming.
- Melting glaciers pose risks of floods, avalanches, and rising sea levels.
- Rivers vital for India and neighbors originate from these glaciers.
Glaciers across Uttarakhand are experiencing a rapid melt, with 23 major ice bodies showing significant retreat. This phenomenon is primarily attributed to rising global temperatures caused by climate change, though individual glacier characteristics like slope and debris also play a role. Scientists are increasingly concerned as this melting accelerates, with some glaciers retreating meters per year.
The consequences of this accelerated melting are far-reaching. Increased risks of natural disasters such as glacial lake outburst floods (GLOFs), avalanches, and debris flows are a major concern. Furthermore, the meltwater from these glaciers feeds crucial rivers like the Ganga, Brahmaputra, and Indus, which are vital for irrigation, drinking water, and hydropower across India and neighboring nations.
Studies indicate that the rate of melting has increased sharply since the turn of the century. Changes in weather patterns, including increased rainfall at higher altitudes where snow previously fell and a lengthened summer season, contribute to this trend. Reduced winter snowfall and insufficient time for accumulated snow to consolidate further exacerbate the issue, underscoring the urgent environmental crisis facing the Himalayan region.
