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Journal of Desert Research ›› 2023, Vol. 43 ›› Issue (6): 197-209.DOI: 10.7522/j.issn.1000-694X.2023.00150

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Research progress on aeolian activity in the Qinghai Lake area, northeastern Tibetan Plateau

Haokun Mo(), Guangyin Hu(), Huicong Meng   

  1. School of Geography and Tourism,Shaanxi Normal University,Xi'an 710119,China
  • Received:2023-09-26 Revised:2023-10-23 Online:2023-11-20 Published:2023-11-30
  • Contact: Guangyin Hu

Abstract:

Qinghai Lake, located in the northeast margin of the Qinghai-Tibet Plateau and the transition region between the Qinghai-Tibet Plateau and the Loess Plateau, has always been an ideal area for the study of aeolian activity and aeolian sediments. Based on the existing results, we summarize research that improves our understanding of aeolian processes in the Qinghai Lake, including the distribution of sandy land, historical aeolian activity records, the provenance, transport process, and characteristics of aeolian sediments, aeolian geomorphology and land desertification. At present, the east and west of the lake are the main sandy land. Indicated by the grain size, chemistry and other sedimentary characteristics, the late Pleistocene, early Holocene and late Holocene were the main periods of aeolian activities and climatic variability in the Qinghai Lake. The provenance of the Hudong and the Huxi sandy land were different. The transport process is often affected by atmospheric circulation and regional wind conditions. In addition, the sandy land whose land desertification changes obviously under the influence of natural and human factors is covered with sand dunes, but the desertification degree has a tendency to weaken. The future research can be carried out in the evolution and differences of paleoclimate in Qinghai Lake, the establishment and perfection of chronology framework, aeolian sand activity process.

Key words: Qinghai Lake, aeolian activity, environmental change, aeolian sediment, Tibetan Plateau

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