PRELIMINARY ANALYSIS OF ORIGIN OF HAI LUO DITCH GLACIER

doi:10.3863/j.issn.1000-2634.1989.04.002

Abstract

Abstract:

Gongga mountain area has developed 71 glaciers, five of which are longer than 5 kilometers, Hai Luo ditch glacier is the largest in scale and the lowest in elevation in Gongga mountain area. According to its distribution, shape and scale, theglacier is a mountain glacier. But it belongs to the dynamic metamorphic glacier by its origih.
Hai Luo ditch glacier formed about 1600 years ago on the east edge of Qinghai-Xizang plateau In its longitudinal direction, neve basin stands above, but glacier tongue stretches low. Between them the peculiar big high- hanging glacier cascades connect with each other.The formation and existence of glaciers were mainly concerned with the orogenic movement in recent periods，and with the geological background of north-southern tectonic mountain system of Gongga mountain，the natural regional geographical environment，the north-southern Hengduan mountain system in the south and the influence of southeastern seasonal wind on the southern sea region.Hai Luo ditch glacier is now in the strong melting and flinehing period，which is concerned with regional climate oscilation changes within scores of years，and in not concerned with“Greenhouse effect”.The scenes of the glacier don’t disappear in the predictable period because of flinching.

Key words: Glacier, Preliminary, Gongga mountain, Sichuan

Xu Zi-niu . PRELIMINARY ANALYSIS OF ORIGIN OF HAI LUO DITCH GLACIER[J]. 西南石油大学学报(自然科学版), 1989, 11(4): 16-24.

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PRELIMINARY ANALYSIS OF ORIGIN OF HAI LUO DITCH GLACIER

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