| 绥阳双河洞发育对区内地表水系变迁影响 |
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| 引用本文： | 罗书文,贺卫,张远海,邓亚东,吴克华,周文龙,张弘智,罗时琴.绥阳双河洞发育对区内地表水系变迁影响[J].中国岩溶,2021,40(6):920-931. |
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| 作者姓名： | 罗书文 贺卫 张远海 邓亚东 吴克华 周文龙 张弘智 罗时琴 |
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| 作者单位： | 1.贵州省山地资源研究所，贵州 贵阳550001 |
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| 基金项目： | 贵州省科学技术基金（黔科合基础「2017」1172、「2018」1149）贵州省科技计划项目黔科合支撑[2019]2858号黔科院J字[2020]16号 |
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| 摘 要： | 双河洞是我国已探明长度最长洞穴，也是世界第一长白云岩洞穴。为全面了解其形成机理，本研究基于双河洞探测和地表调查资料，以双河洞发育特征，区内地表河床地貌、地形和现代水系特征为研究对象，以双河溶洞发育演化模式为基础，开展双河洞发育演化对区内地表水系变迁影响研究。认为:（1）研究区地表水系随双河溶洞发育演化而变迁；（2）双河洞穴发育，使让水沟地表水通过洞穴向池武溪排泄，将独立的让水沟和池武溪两个流域变成一个流域；（3）双河洞发育引起地下水袭夺地表水，形成断尾河4处；（4）随着地壳抬升地下水位下降，水力梯度增大，地下水运输能力增强，加剧洞穴发育，为地下水袭夺地表水提供良好的水势差与过水条件，是研究区水系变迁的主要动力。
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| 关 键 词： | 贵州绥阳 岩溶水系 双河溶洞 岩溶地貌 水系变迁 |
| 收稿时间： | 2021-04-30 |
Influence of Shuanghe Cave development on the changes of surface water system in Suiyang county,Guizhou, China |
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| Abstract: | Located in Suiyang county of Guizhuo Province， Shuanghe Cave is the longest one in China， as well as the world longest in dolomite area. In order to better understand the formation of Shuanghe Cave， we have conducted the research of the influence of Shuanghe Cave development on the changes of surface water system in the study area， based on the data of Shuanghe Cave exploration and surface survey. After analyzing the development characteristics of Shuanghe Cave， the geomorphic and topographic features of surface riverbed， and the characteristics of modern water system， we draw the conclusion as follows， （1） the surface water system in Shuanghe Cave system changes with the development of Shuanghe Cave； （2） in this area， the karst paleo-drainage system used to be two independent watershed units， but now the underground river becomes one watershed unit due to the development of Shuanghe Cave system； （3） the development of Shuanghe Cave contributes to the capture of groundwater from surface water， which has formed 4 betrunked streams； （4） the uplift of the earth's crust and the descending the groundwater level lead to the heightening of hydraulic gradient， thus strengthening the groundwater transport capacity and accelerating the development of caves. All of these factors provide good overtopping conditions and hydraulic differences for the capture of groundwater from surface water， forming the main driving forces of the changes of water systems in the study area. |
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