Acta Geographica Sinica ›› 2013, Vol. 68 ›› Issue (7): 909-920.

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Discussion of the difference of the timing and extent of glaciers in the late Quaternary controlled by the westerly and East Asia monsoon as well as the tectonic movement

ZHANG Wei, DONG Yingwei, YU Zhilong, HE Mingyue   

  1. College of Urban and Environmental Sciences, Liaoning Normal University, Dalian 116029, Liaoning, China
  • Received:2013-02-27 Revised:2013-03-18 Online:2013-07-27 Published:2013-07-27
  • Supported by:
    National Natural Science Foundation of China, No.40971010; No.40271093; No.41230743

Abstract: The mechanism of the evolution of the Quaternary glaciers in the high Asia in the low and middle latitude has been deeply researched during the last several decades with the increase of the absolute dates. Researchers definitely focused on the timing and extent of the glaciers in the Tibetan Plateau and the Himalaya. This provides the beneficial conditions for the recognition of the difference of the glaciers controlled by the westerly and the South Asia monsoon. However, lack of the wide study makes it difficult to examine the correlation of the glaciers evolution with the westerly and the East Asia monsoon in the central Asia and eastern China. Research result shows that the timing and extent between them are different. That is, the onset of the glaciers in the west China is earlier than that in the eastern China with the glacial sequence, and the glacial extent decreased with the time. Compared with the western China, only last glacial remains have been persevered in and along the islands of eastern Asia. The difference of the glacial timing and extent indicates that the factors influencing the glaciers are not only the regional climate but also the tectonic movement.

Key words: glaciation, East Asia monsoon, westerly, glacial extent