Sporopollen records and climate changes since 35000 a BP in Hongya, Sichuan Province

SHI Sheng-qiang; YUAN Dao-xian; LUO Lun-de; ZHAO Zeng-you; HAO Xiu-dong

doi:10.3969/j.issn.1001-4810.2012.02.003

Volume 31 Issue 2

Jun. 2012

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SHI Sheng-qiang, YUAN Dao-xian, LUO Lun-de, ZHAO Zeng-you, HAO Xiu-dong. Sporopollen records and climate changes since 35000 a BP in Hongya, Sichuan Province[J]. CARSOLOGICA SINICA, 2012, 31(2): 121-130. doi: 10.3969/j.issn.1001-4810.2012.02.003

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SHI Sheng-qiang, YUAN Dao-xian, LUO Lun-de, ZHAO Zeng-you, HAO Xiu-dong. Sporopollen records and climate changes since 35000 a BP in Hongya, Sichuan Province[J]. CARSOLOGICA SINICA, 2012, 31(2): 121-130. doi: 10.3969/j.issn.1001-4810.2012.02.003

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Sporopollen records and climate changes since 35000 a BP in Hongya, Sichuan Province

doi: 10.3969/j.issn.1001-4810.2012.02.003

1.
School of Geographical Sciences, Southwest University
2.
School of Geographical Sciences, Southwest University；Institute of Karst Geology, Chinese Academy of Geological Sciences, Karst Dynamics Laboratory, MLR & GZAR

Received Date: 2012-02-14
Publish Date: 2012-06-25

Abstract

Abstract

Sporopollen analysis on the GMH section in Hongya County, Sichuan Province is done by means of paleo-climate parameter methods and changes in paleo-vegetation and paleo-climate during later period of the late Pleistocene is reconstructed in combining with dating figures in the paper. Furthermore, comparative analysis with the stalagmite record from South China is done. The results show that: the process of paleo-climate change in Hongya is warm and wet - moderate and moist - cool and dry - moderate and moist - cold and dry-moderate and moist - cool and moist - warm and wet - moderate and moist from about 35670 a BP and there are some reversals in the process; GMH sporopollen record shows nearly same trend of paleo-climate change in contrast with the stalagmite record in Dongge Cave and Hulu Cave, and the climate events including H3, H2, H1, YD appeared in the pollen record obviously; the colder and drier process in E-zone(21100 – 17000 a BP) occurred earlier than the stalagmite record, it is due to the landform characteristics in the research area that locates in the transition zone from Tibetan Plateau to Szechwan Basin and the section is in a platform front of the E-mei mountain; the moderate and dry period in I-zone (about 2150 a BP) has certain regional significance.
- sporopollen record,
- sporopollen zone,
- vegetation,
- climate change,
- stalagmite records,
- Hongya, Sichuan Province

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References(25)

References

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Sporopollen records and climate changes since 35000 a BP in Hongya, Sichuan Province

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