天目山千亩田泥炭腐殖化度记录的中全新世气候变化

尹茜; 朱诚; 马春梅; 王富葆; 赵志平; 郑朝贵; 黄林燕; 田晓四

天目山千亩田泥炭腐殖化度记录的中全新世气候变化

1 南京大学城市与资源学系, 南京 210093;
2 中国科学院南京地理与湖泊研究所, 南京 210008

基金项目:

国家自然科学基金重大研究项目(90411015)

南京大学重大基础预研项目

国家自然科学基金项目(40271103)

高校博士点基金(20050284011)

中国科学院地球环境研究所黄土与第四纪地质国家重点实验室开放基金项目

南京大学"985"自然地理学科建设与南京大学现代分析中心测试基金项目

详细信息

作者简介:
尹茜(1982-),女,研究生,从事环境演变与全球变化研究

中图分类号: P532
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- 文章访问数: 2159
- HTML全文浏览量: 172
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出版历程
- 收稿日期: 2006-05-24
- 修回日期: 2006-07-31

HOLOCENE CLIMATE CHANGE RECORDED IN PEAT HUMIFICATION IN TIANMU MOUNTAIN REGION

1 Department of Urban and Resources Sciences, Nanjing University, Nanjing 210093, China;
2 Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China

摘要

摘要: 以¹⁴C测年为基础,构建了天目山千亩田地区泥炭沼泽剖面年龄-深度模式曲线,通过该区的腐殖化度与烧失量分析研究,发现两者呈现出很好的相关性,共同记录了该地区4 200 aBP以来的气候变化,可划分出3个主要阶段:早期(4 135±40~3 200 aBP)泥炭腐殖化度偏低,指示气候湿热;中期(3 200~630 aBP)泥炭腐殖化度偏高,指示气候温凉偏干;晚期(630 aBP以来),泥炭腐殖化度偏低,气候温凉湿润。
- 泥炭 /
- 腐殖化度 /
- 烧失量 /
- 全新世气候变化 /
- 天目山千亩田
Abstract: Age-depth curves have been constructed using radiocarbon dates for the Qian Mutian peat profile of Tianmu Mountain area, Zhejiang Province. According to the analysis of the peat humification and LOI for this region, we can find that both the proxy indices show good correlation and identify climatic shifts since 4 200 aBP. Mainly there are three phases:early phase (4 135±40~3 200 aBP)of low humification,indicating warm and moist climate;mid phase (3 200~630 aBP) of high humification,showing dry and cool climate;and late phase (since 630 aBP) of low humification,suggesting a cool and moist climate.
- peat /
- humification /
- LOI /
- climate change of Holocene /
- Qian Mutian of Tianmu Mountain

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参考文献(20)

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