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An ancient glacier relic found in the 2021 Yangtze River source scientific investigation |
Recently, in 2021, the comprehensive scientific expedition team of the source of the Yangtze River discovered an ancient glacier site in the source area of the Yangtze River during an expedition in Ducai Township, Zhiduo County, Yushu Tibetan Autonomous Prefecture.
Extending to Niechaqu, a first-level tributary of the Yangtze River, the limestone landform was eroded by glaciers into an ice valley nearly 20 kilometers long.
According to scientific research experts, this is the remains of long-term coverage by glaciers during the Quaternary Ice Age
.
It is understood that the formation of the Sobchaye Ice Valley is mainly due to the uplift of the Qinghai-Tibet Plateau
.
The strong uplift of the Qinghai-Tibet Plateau reached a critical height and formed the plateau monsoon, which changed the atmospheric circulation in the northern hemisphere
The remains of Sobuchaye Ice Valley is the largest, longest and most typical piece in the Yangtze River Basin
.
It stretches from the top of Gala Snow Mountain at an altitude of 5876 meters into Niechaqu.