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云南省泸沽湖、洱海现代沉积物中210Pb,137Cs的垂直分布及其计年
引用本文:徐经意,万国江,王长生,黄荣贵,陈敬安.云南省泸沽湖、洱海现代沉积物中210Pb,137Cs的垂直分布及其计年[J].湖泊科学,1999,11(2):110-116.
作者姓名:徐经意  万国江  王长生  黄荣贵  陈敬安
作者单位:中国科学院地球化学研究所环境地球化学国家重点实验室!贵阳550002(徐经意,万国江,王长生,黄荣贵),中国科(陈敬安)
基金项目:国家自然科学基金!49773207,国家自然科学基金!49894170,国家自然科学基金!49333040
摘    要:云南省泸沽湖,洱海^210Pbex的垂直分布受Fe,Mn循环下^210P;o和^210Pb沉积后再迁移的影响,分别表现为三种不同的剖面分布特征,^210Pbex计年的没积物堆积速率分别为0.050-0.051g.cm^-2a^-1和0.044-0.046g.cm^-2a^-1,反映百年时间尺度上的堆积结果,泸沽湖,洱海^137Cs的垂直剖面分布虽然受分子扩散作用的影响,并没有改变其峰值位置。

关 键 词:沉积物  堆积速率  泸沽湖  洱海  铅210  铯137
收稿时间:1997/12/22 0:00:00
修稿时间:6/6/1998 12:00:00 AM

Vertical Distribution of 210Pb and 137Cs and Their Dating in Recent Sediments of Lugu Lake and Erhai Lake, Yunnan Province
XU Jin-yi,WAN Guo-jiang,WANG Chang-sheng,HUANG Rong-gui and CHEN Jing-an.Vertical Distribution of 210Pb and 137Cs and Their Dating in Recent Sediments of Lugu Lake and Erhai Lake, Yunnan Province[J].Journal of Lake Science,1999,11(2):110-116.
Authors:XU Jin-yi  WAN Guo-jiang  WANG Chang-sheng  HUANG Rong-gui and CHEN Jing-an
Institution:state Key Lob. of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002,state Key Lob. of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002,state Key Lob. of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002,state Key Lob. of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002 and state Key Lob. of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002
Abstract:
Keywords:~(210)Pb  ~(137)Cs  Sediment accumulation rate  Lugu Lake  Erhai Lake
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