GYIG OpenIR  > 环境地球化学国家重点实验室  > 期刊论文
青海湖近800年来沉积物介形虫Li/Ca比值的古环境指示意义
朱正杰; 李航; 任世聪; 陈敬安; 李键; 曾艳; 王敬富; 漆亮
2010
Source Publication海洋地质与第四纪地质
Issue4Pages:115-121
Other Abstract当前古气候研究的热点是获取最近2000a来连续的高分辨率自然记录。为了解决湖泊沉积代用指标中古温度指标的难题,通过对青海湖沉积物单一种属介形虫壳体胖真星介(Eucyprisinflata)Li/Ca比值的测定,结合已有的210Pb和137Cs测定的沉积物沉积速率[1],成功恢复了青海湖底层水的古温度变化序列。将Li/Ca比值曲线与气象记录以及邻近地区都兰和祁连山树轮宽度指数恢复的温度变化序列对比,发现介形虫壳体Li/Ca比值与温度呈明显的负相关变化,Li/Ca比值高,温度低,Li/Ca比值低,温度高,表明介形虫Li/Ca比值是一种有效的古温度指示剂。
Keyword胖真星介 Li/ca比值 温度 有效代用指标 青海湖
Subject Area环境地球化学
Indexed ByCSCD
Language中文
CSCD IDCSCD:3982846
Citation statistics
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/6852
Collection环境地球化学国家重点实验室_环境地球化学国家重点实验室_期刊论文
Recommended Citation
GB/T 7714
朱正杰,李航,任世聪,等. 青海湖近800年来沉积物介形虫Li/Ca比值的古环境指示意义[J]. 海洋地质与第四纪地质,2010(4):115-121.
APA 朱正杰.,李航.,任世聪.,陈敬安.,李键.,...&漆亮.(2010).青海湖近800年来沉积物介形虫Li/Ca比值的古环境指示意义.海洋地质与第四纪地质(4),115-121.
MLA 朱正杰,et al."青海湖近800年来沉积物介形虫Li/Ca比值的古环境指示意义".海洋地质与第四纪地质 .4(2010):115-121.
Files in This Item:
File Name/Size DocType Version Access License
青海湖近800年来沉积物介形虫Li_Ca(987KB) 开放获取LicenseView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[朱正杰]'s Articles
[李航]'s Articles
[任世聪]'s Articles
Baidu academic
Similar articles in Baidu academic
[朱正杰]'s Articles
[李航]'s Articles
[任世聪]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[朱正杰]'s Articles
[李航]'s Articles
[任世聪]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: 青海湖近800年来沉积物介形虫Li_Ca比值的古环境指示意义.pdf
Format: Adobe PDF
This file does not support browsing at this time
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.