The quaternary climo-environment changes in Chaiwopu basin of Xinjiang region |
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Authors: | Qizhong Wen Yafeng Shi |
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Institution: | (1) Guangzhou Branch of Institute of Geochemistry, Chinese Academy of Sciences, 510640 Guangzhou, PRC;(2) Lanzhou Institute of Glaciology and Geocryology, Chinese Academy of Sciences, 710000 Lanzhou, PRC |
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Abstract: | This paper describes the paleoclimatic changesoccurring in the Chaiwopu Basin since 730,000 yr.B.P., together with theformation
and evolution of Chaiwopu Lake based on the chronology and characteristics of a core drilled in the basin. Analysis of the
drilling core provides information on the climate and environment of the area. It would appear that the paleoclimatic changes
that occurred in the basin during the Pleistocene was controlled by the relationship between the sun and the earth and by
Long-term (10,000 yr.) climatic cycles. The climate tended to cold-dry during the glacial period (ice age) and warm-moist
during the interglacial. Following the warm period of the Holocene, short-term (1,000 yr.) climatic cycles occurred in cool-moist
periods, similar to the “Little Ice Age”, alternated with warm-dry periods. |
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Keywords: | paleoclimate environment changes Quaternary Xinjiang |
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