洞穴滴水的水文地球化学过程:贵州犀牛洞的研究
HYDROGEOCHEMICAL PROCESS OF CAVE DRIPS STUDY ON XINIU CAVE, ZHENNING, GUIZHOU
查看参考文献24篇
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文摘
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为了揭示洞穴滴水的水文地球化学过程,对贵州镇宁犀牛洞3个滴水点的滴率、水化学组成等进行为期1年的动态监测,示踪结果显示出犀牛洞滴水对大气降水的响应较快(28天以上),滴水的物质组成直接源自于洞穴环境,即土壤和岩石,而大气降水携带的物质成分较少,滴水点均受到不同源来水的影响.洞穴滴水的化学组成中元素含量的变化主要由水运移过程中水-土、水-岩作用导致的岩石溶解-方解石沉淀过程所控制,表明犀牛洞滴水点的次生沉积物可能记录了环境变化信息. |
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其他语种文摘
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I his paper deals with 3 dripping points, for the purpose of unveiling the hydrogeochernical process of cave drips, moni-tored in the Xiniu Cave. Zhenning County of Guizhou Province, China, which lasted for one year. The result showed that the response of drip water to rainfall is much faster (more than 28 clays). As viewed from element geochemistry, water transported in the cave roof influenced the sources of substances, and the substances in drip water mainly come from soil and rock at the root of the Xiniu Cave and fewer elements come from rainfall. Three drips were affected by different sources of water. The di-versity of chemical composition of drip water is mainly controlled by the processes of water dissolving rocks till salurated quick-ly and then the calcite was precipitated on the route of water transport. The result implies that speleolhems of 3 dripping points in the Xiniu Cave probably had preserved information about environmental change. |
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来源
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地球与环境
,2005,33(2):23-30 【核心库】
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关键词
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贵州犀牛洞
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洞穴滴水
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水文地球化学过程
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作用特点
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地址
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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, 贵州, 贵阳, 550002
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1672-9250 |
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学科
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地质学 |
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基金
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中国科学院广州地球化学研究所知识创新工程领域前沿项目
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国家自然科学基金
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文献收藏号
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CSCD:2023012
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