MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

WU Jing-lu; YU Hong; ANDREAS Luecke; WANG Su-min

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MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

WU Jing-lu, YU Hong, ANDREAS Luecke, WANG Su-min

文章导航 > Chinese Geographical Science > 2001 > 11(3): 246-251

WU Jing-lu, YU Hong, ANDREAS Luecke, WANG Su-min. MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA[J]. 中国地理科学, 2001, 11(3): 246-251.

引用本文:

WU Jing-lu, YU Hong, ANDREAS Luecke, WANG Su-min. MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA[J]. Chinese Geographical Science, 2001, 11(3): 246-251.

Citation:

WU Jing-lu, YU Hong, ANDREAS Luecke, WANG Su-min. MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA[J]. Chinese Geographical Science, 2001, 11(3): 246-251.

MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

1.
Nanjing Institute of Geographyand Limnology, the Chinese Academy of Sciences, Nanjing 210008, P.R. China;
2.
Department of Atmospheric Observing Engineering, Institute of Meterology, PLA University of Science and Technology, Nanjing, 211101;
3.
Forschungszentrum Juelich, ICG - 4, D - 52425 Juelich, Germany

基金项目: Under the auspices of the National Natural Science Foundation of China (No: 49803001);the Key Innovation Project of Chinese Academy of Sciences (KZCX1-10-02); National‘973' Project and CAS Tibet Research (No: G1998040810).

详细信息

作者简介:
WU Jing-lu(1965- ), male, a native of Zhejiang Province, Ph. D.. His research interest includes isotope geochemistry.

中图分类号: P512.3;P532

MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

1.
Nanjing Institute of Geographyand Limnology, the Chinese Academy of Sciences, Nanjing 210008, P.R. China;
2.
Department of Atmospheric Observing Engineering, Institute of Meterology, PLA University of Science and Technology, Nanjing, 211101;
3.
Forschungszentrum Juelich, ICG - 4, D - 52425 Juelich, Germany

摘要: Xingcuo lake, a closed one, is situated in eastern Tibetan Plateau. There are abundant snail shells Gyraulus sibirica in its sediments. Here we display the determining results of δ¹³C, δ¹⁸O in shell Gyraulus sibirica continuously preserved in Xincuo Lake sediments in the recent 50 years. And by coupling the indexes of δ¹³C, δ¹⁸O and instrumental meteorological data in its basin to build relative function relations among them, we probe quantitatively climatic signals recorded in those indexes. The results show that there are remarkable relations between δ¹³C proxy and precipitation,δ¹⁸O proxy and air temperature, of which correlative coefficient was 0.89 and 71, respectively. Besides, we also demonstrated that average variation between δ¹³C proxy and precipitation (dδ¹³C/dP) was 0.027‰/mm and 1.4‰/℃ for δ¹⁸O and air temperature (dδ¹⁸O/dT).
- Xingcuo Lake /
- δ¹³C,δ¹⁸O proxies /
- climatic signals /
- eastern Tibetan Plateau
Abstract: Xingcuo lake, a closed one, is situated in eastern Tibetan Plateau. There are abundant snail shells Gyraulus sibirica in its sediments. Here we display the determining results of δ¹³C, δ¹⁸O in shell Gyraulus sibirica continuously preserved in Xincuo Lake sediments in the recent 50 years. And by coupling the indexes of δ¹³C, δ¹⁸O and instrumental meteorological data in its basin to build relative function relations among them, we probe quantitatively climatic signals recorded in those indexes. The results show that there are remarkable relations between δ¹³C proxy and precipitation,δ¹⁸O proxy and air temperature, of which correlative coefficient was 0.89 and 71, respectively. Besides, we also demonstrated that average variation between δ¹³C proxy and precipitation (dδ¹³C/dP) was 0.027‰/mm and 1.4‰/℃ for δ¹⁸O and air temperature (dδ¹⁸O/dT).
- Xingcuo Lake /
- δ¹³C,δ¹⁸O proxies /
- climatic signals /
- eastern Tibetan Plateau

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MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

1. Nanjing Institute of Geographyand Limnology, the Chinese Academy of Sciences, Nanjing 210008, P.R. China;

2. Department of Atmospheric Observing Engineering, Institute of Meterology, PLA University of Science and Technology, Nanjing, 211101;

3. Forschungszentrum Juelich, ICG - 4, D - 52425 Juelich, Germany

作者简介:
WU Jing-lu(1965- ), male, a native of Zhejiang Province, Ph. D.. His research interest includes isotope geochemistry.

收稿日期: 2001-03-29
刊出日期: 2001-09-20

中图分类号: P512.3;P532

关键词:

Xingcuo Lake /

δ¹³C,δ¹⁸O proxies /

climatic signals /

eastern Tibetan Plateau

摘要: Xingcuo lake, a closed one, is situated in eastern Tibetan Plateau. There are abundant snail shells Gyraulus sibirica in its sediments. Here we display the determining results of δ¹³C, δ¹⁸O in shell Gyraulus sibirica continuously preserved in Xincuo Lake sediments in the recent 50 years. And by coupling the indexes of δ¹³C, δ¹⁸O and instrumental meteorological data in its basin to build relative function relations among them, we probe quantitatively climatic signals recorded in those indexes. The results show that there are remarkable relations between δ¹³C proxy and precipitation,δ¹⁸O proxy and air temperature, of which correlative coefficient was 0.89 and 71, respectively. Besides, we also demonstrated that average variation between δ¹³C proxy and precipitation (dδ¹³C/dP) was 0.027‰/mm and 1.4‰/℃ for δ¹⁸O and air temperature (dδ¹⁸O/dT).

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MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

作者简介: WU Jing-lu(1965- ), male, a native of Zhejiang Province, Ph. D.. His research interest includes isotope geochemistry.

MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

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MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

作者简介: WU Jing-lu(1965- ), male, a native of Zhejiang Province, Ph. D.. His research interest includes isotope geochemistry.

English Abstract

MODERN CLIMATIC SIGNALS DEDUCED FROM STABLE ISOTOPE IN SHELLS IN XINGCUO LAKE SEDIMENTS,EAST TIBETAN PLATEAU,CHINA

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作者简介:
WU Jing-lu(1965- ), male, a native of Zhejiang Province, Ph. D.. His research interest includes isotope geochemistry.

作者简介:
WU Jing-lu(1965- ), male, a native of Zhejiang Province, Ph. D.. His research interest includes isotope geochemistry.