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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (1): 87-93    DOI: 10.7522/j.issn.1000-694X.2013.00012
Paleoclimate and Environment Evolution     
Relationship between Pollen Assemblages and Organic Geochemical Proxies in the Zhuyeze Palaeo-lacustrine Basin Sediments and Its Response to Climate Change
LI Yu, ZHOU Xue-hua, LI Zhuo-lun, WANG Nai-ang
College of Earth and Environmental Science/Center for Hydrologic Cycle and Water Resources in Arid Region, Lanzhou University, Lanzhou 730000, China
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Abstract  

This paper examines the relationship between organic geochemical proxies (TOC, C/N ratio and δ13C) and pollen assemblages in the Zhuyeze Palaeo-lacustrine Basin sediments since the Late Glacial. Results show that the reaction extent of organic geochemical proxies and pollen assemblages to environment changes are different in the Zhuyeze Palaeo-lacustrine Basin sediments. The organic geochemical proxies are sensitive to the environmental change for the entire trend, and the pollen assemblages are suitable for analyzing detailed environmental change information. For the entire section (except the sand layer at the bottom of the section), when the values of TOC, C/N ratio and total pollen concentration are high, the value of δ13C is low, and vice versa.

Key words:  Zhuyeze Palaeo-lacustrine Basin      sediment      pollen assemblage      geochemical proxies     
Received:  09 August 2012      Published:  20 January 2013
ZTFLH:  P59  

Cite this article: 

LI Yu, ZHOU Xue-hua, LI Zhuo-lun, WANG Nai-ang. Relationship between Pollen Assemblages and Organic Geochemical Proxies in the Zhuyeze Palaeo-lacustrine Basin Sediments and Its Response to Climate Change. JOURNAL OF DESERT RESEARCH, 2013, 33(1): 87-93.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00012     OR     http://www.desert.ac.cn/EN/Y2013/V33/I1/87

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