Glaciers In China And Tibet Fading Fast

Glaciers that serve as water sources to one of the most ecologically diverse alpine communities on earth are melting at an alarming rate, according to a recent report.

A three-year study, to be used by the China Geological Survey Institute, shows that glaciers in the Yangtze source area, central to the Qinghai-Tibet plateau in south-western China, have receded 196 square kilometres over the past 40 years.

Glaciers at the headwaters of the Yangtze, China’s longest river, now cover 1,051 square kilometres compared to 1,247 square kilometres in 1971, a loss of nearly a billion cubic metres of water, while the tongue of the Yuzhu glacier, the highest in the Kunlun Mountains fell by 1,500 metres over the same period.

Melting glacier water will replenish rivers in the short term, but as the resource diminishes drought will dominate the river reaches in the long term. Several major rivers including the Yangtze, Mekong and Indus begin their journeys to the sea from the Tibetan Plateau Steppe, one of the largest land-based wilderness areas left in the world.

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