J4 ›› 2009, Vol. 39 ›› Issue (5): 857-862.

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Phytolith Characteristics and Paleoenvironment Changes |in the Swamp Sediments of Tumen River Estuary, China

ZHANG Xin-rong1,2,3,WANG Xi-kui1,2,ZHENG Hong-bo3,4   

  1. 1.College of Earth Sciences, Jilin University, Changchun 130061, China;2.Key Laboratory for Evolution of Past Life and Environment in Northeast Asia, Ministry of Education, China, Jilin University, Changchun 130026|China;3.State Key Laboratory of Marine Geology,Tongji University, Shanghai 200092|China;4.College of Earth Sciences and Engineering, Nanjing University, Nanjing 210093|China
  • Received:2009-03-11 Online:2009-09-26 Published:2009-09-26

Abstract:

According to the analysis on the phytolith of the swamp profile in Tumen River estuary, the phytolith assemblages can be divided into six zones, which are corresponding to the paleo-climate phases of “cold and dry-cool and wet-cold and dry-cool and wet-warm-moderate and humidity”. Comparison between the phytolith analysis results and the results from Na, K, Ba, Cu, Pb, Fe and Mn analysis of this profile shows that the phytolith is not as sensitive as elements such as Na, K and Fe on the humidity reflection, but it is more sensitive than the reflection of peat development to the humidity. Regional paleo-climate contrast indicates that phytolith paleo-climate process of the profile under study has a good response to the regional climate evolution and will play an active role in the global changes and regional responses research.

Key words: phytolith, paleoclimate changes, swamp sediments, Tumen River estuary

CLC Number: 

  • P532
[1] Du Yu, Zhang Xinrong, Ping Shuaifei, Jiao Jieyu, Ma Chunmei. Climate Background of Peat Swamp Evolution Recorded by Phytolith over Past 2 ka in Northern Mountainous Area in Dunhua [J]. Journal of Jilin University(Earth Science Edition), 2020, 50(1): 170-184.
[2] ZHANG Xin-rong，HU Ke，FANG Shi，WANG Dong-po. Phytolith Distribution in the Surface Peat Deposit of Northeast China [J]. J4, 2007, 37(5): 895-0900.
[3] ZHANG Xin-rong,HU Ke, JIE Dong-mei,WANG Dong-po, LIU Li-li. Environment Indication of Phytolith in Peat Deposit:A Case in the Peat Section of Dunhua， Jilin Province [J]. J4, 2005, 35(06): 694-0698.
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