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Glacier on Tibetan plateau retreating: report

Wed, Nov 18, 2015, 02:06 PM
Beijing, Nov 18: Glacier on the Tibetan plateau has been retreating since the 20th century due to rising temperature, and at a faster speed since 1990s, a report on the environmental change in the region said on Wednesday.

The scientific evaluation report on environmental change of the Tibetan plateau was published by the Institute of Tibetan Plateau Research under the Chinese Academy of Sciences, Xinhua reported.

The report said the glacier's response to the climate change can be best seen in the progress or retreat of the glacier.

Glacier loss in the Tibetan plateau is most prominent in the Himalayan mountains and the southeastern Tibet, whereas glacier stays relevantly stable, even progressing, in the Karakoram and western Kunlun region due to increasing precipitation, the report said.

Both numbers and areas of lakes on the plateau increased notably. The number of lakes exceeding one sq km climbed from 1,081 in the 1970s to 1,236 in 2010, and 80 percent of lakes in the region have been expanding.

Meanwhile, due to glacier melt, increased precipitation and reduced evaporation, water level in 152 of the 200 lakes in the region with ICES at laser altimeter data rose, while that in the rest 48 dropped, the report said.

The report also said that in the future from 2015 to as far as 2100, the dominant changes in water bodies of the region would be retreating glacier, reduced snow cover and rising river run-off.

The overall situation of ecological system on the Tibetan plateau is improving as the boundaries of frigid and sub-frigid zones are moving westward and northward. The temperate zone is expanding, according to the report.

With an average altitude of over 4,500 metres, Tibetan plateau, which is known as the core of "The Third Pole", refers to the areas mainly within southwest China's Tibet region.
Agency: IANS

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