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四川九寨沟景区钙华起源初探

晏浩 刘再华 邓贵平 孙海龙 张金流

晏浩, 刘再华, 邓贵平, 孙海龙, 张金流. 四川九寨沟景区钙华起源初探[J]. 中国岩溶, 2013, 32(1): 15-22.
引用本文: 晏浩, 刘再华, 邓贵平, 孙海龙, 张金流. 四川九寨沟景区钙华起源初探[J]. 中国岩溶, 2013, 32(1): 15-22.
YAN Hao, LIU Zai hua, DENG Gui ping, SUN Hai long, ZHANG Jin liu. Origin of the tufa at Jiuzhaigou scenic spot in Sichuan[J]. CARSOLOGICA SINICA, 2013, 32(1): 15-22.
Citation: YAN Hao, LIU Zai hua, DENG Gui ping, SUN Hai long, ZHANG Jin liu. Origin of the tufa at Jiuzhaigou scenic spot in Sichuan[J]. CARSOLOGICA SINICA, 2013, 32(1): 15-22.

四川九寨沟景区钙华起源初探

基金项目: 国家自然科学基金项目(41172232)和中国科学院百人计划项目(2006-067)

Origin of the tufa at Jiuzhaigou scenic spot in Sichuan

  • 摘要: 九寨沟风景区以绝美的景色闻名于世。钙华作为其独特景观的重要构成要素,有着重要的观赏价值和研究价值。为了弄清九寨沟钙华的起源,特别是CO2的来源,对九寨沟主要水体的水化学和碳氢氧同位素以及现代钙华的碳同位素进行了取样分析。结果发现:(1)九寨沟水体来源于大气降水的补给;(2)水体中碳酸氢根离子和钙离子浓度较低,主要来源于土壤CO2对碳酸盐岩的溶解;(3)根据碳的来源分类,九寨沟钙华应为大气成因类钙华(或表生钙华);(4)九寨沟珍珠滩钙华与碳酸氢根间较大的碳同位素分馏表明,此处生长的藻类对钙华的形成可能有重要作用。

     

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出版历程
  • 收稿日期:  2012-11-30
  • 刊出日期:  2013-03-25

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