Study by Stable Isotope method on for Stalagmite from Hangzhou area

Wang Zhaorong; Zhi Xiachen; Zhang Hanchang

C¹⁴dating and isotope determination of C. H nad O H have been adopte for the staglamite in ruijing cave, LinAn, zhejiang by means of C¹⁴dating and stable isotope geochemistiy. The records of paleoclimateevolution from 5 to 1×10 ⁴ a B. P. obtained from Hangzhou area show that there were obviously three periodic paleoclimate changes during the preiodwith the highest Tempdratuer 14.96℃，the lowest 6.6℃periodic paleoclimate changes during the preiod with the highest temand the biggest temperatwre differener about 8℃ and the mean 3-5℃The period was just in thestage of Daliice age, but the age was not a continuous low-temperature stage and it had, at least, threetemperature fluctuation, which is in line with isotopic paleotemperatnre of the staglamite measured byus. In addidon, We have correlated the paleoclimate changesfrom 5 to 1×10⁴ a B Pwith the synch ronological sealevd changer of the coastal area in Southwest China. The result shows that thay are basically cojcident,i. e.，when the temperature rises. the sealevel rises too and the femperaturefalls,and the sealevel falls as well.

Study by Stable Isotope method on for Stalagmite from Hangzhou area

1 University of science and techology of China Hefei 230026;

2 Advanced centre for earth science and Astronomy USTC Third world Academy of science Hefei 230026

Received Date: 1995-12-21

Publish Date: 1997-03-10

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Abstract: C¹⁴dating and isotope determination of C. H nad O H have been adopte for the staglamite in ruijing cave, LinAn, zhejiang by means of C¹⁴dating and stable isotope geochemistiy. The records of paleoclimateevolution from 5 to 1×10 ⁴ a B. P. obtained from Hangzhou area show that there were obviously three periodic paleoclimate changes during the preiodwith the highest Tempdratuer 14.96℃，the lowest 6.6℃periodic paleoclimate changes during the preiod with the highest temand the biggest temperatwre differener about 8℃ and the mean 3-5℃The period was just in thestage of Daliice age, but the age was not a continuous low-temperature stage and it had, at least, threetemperature fluctuation, which is in line with isotopic paleotemperatnre of the staglamite measured byus. In addidon, We have correlated the paleoclimate changesfrom 5 to 1×10⁴ a B Pwith the synch ronological sealevd changer of the coastal area in Southwest China. The result shows that thay are basically cojcident,i. e.，when the temperature rises. the sealevel rises too and the femperaturefalls,and the sealevel falls as well.

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Study by Stable Isotope method on for Stalagmite from Hangzhou area

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