| 降雨及库水位影响下麻地湾滑坡地下水响应特征分析 |
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| 引用本文： | 檀梦皎,殷坤龙,付智勇,朱春芳,陶小虎,朱延辉.降雨及库水位影响下麻地湾滑坡地下水响应特征分析[J].中国地质灾害与防治学报,2022,33(1):45-57. |
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| 作者姓名： | 檀梦皎 殷坤龙 付智勇 朱春芳 陶小虎 朱延辉 |
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| 作者单位： | 1.中国地质调查局南京地质调查中心，江苏 南京 210016 |
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| 基金项目： | 中国地质调查局地质调查项目(DD20190354);国家重点研发计划项目(2018YFC0809400)。 |
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| 摘 要： | 精细化衡量地下水对外界因素的响应规律对分析滑坡稳定性具有重要意义。考虑库岸边坡的稳定性同时受库水位和降雨作用影响，提出了一种基于数据挖掘的滑坡地下水响应特征的研究方法。以三峡库区麻地湾滑坡为例，首先通过特征时段分析和Granger检验确定地下水响应滞后期，然后基于响应滞后期确定地下水水位的影响因素，结合Apriori数据挖掘算法揭示了麻地湾滑坡地下水的响应特征。研究结果表明:滑坡前缘地下水变化与库水位波动相关性较大，滑坡中后缘地下水变化与降雨相关性较大; 麻地湾滑坡地下水对于降雨和库水位的最佳响应滞后期为1 d；滑坡后缘的地下水水位对降雨响应较为强烈，而前缘的地下水水位对库水位响应更为强烈。
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| 关 键 词： | 麻地湾滑坡 三峡库区 响应特征 Apriori算法 地下水 |
| 收稿时间： | 2021-08-16 |
Analysis on groundwater response characteristics of Madiwan landslide under the influence of rainfall and reservoir water |
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| TAN Mengjiao,YIN Kunlong,FU Zhiyong,ZHU Chunfang,TAO Xiaohu,ZHU Yanhui.Analysis on groundwater response characteristics of Madiwan landslide under the influence of rainfall and reservoir water[J].The Chinese Journal of Geological Hazard and Control,2022,33(1):45-57. |
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| Authors: | TAN Mengjiao YIN Kunlong FU Zhiyong ZHU Chunfang TAO Xiaohu ZHU Yanhui |
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| Institution: | 1.Nanjing Center, China Geological Survey, Nanjing, Jiangsu 210016, China2.Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing, Jiangsu 210016, China3.Faculty of Engineering, China University of Geosciences(Wuhan), Wuhan, Hubei 430074, China4.School of Water Resources and Hydropower Engineering ,Wuhan University, Wuhan, Hubei 430072, China |
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| Abstract: | Refined measurement of the groundwater response to external factors is of great significance to the analysis of landslide stability. Considering that the stability of the reservoir landslide is affected by the reservoir water level and rainfall,based on the association rule mining method, the research method for revealing the response rules of the underground water suffered rainfall and periodic water level is proposed, taking the Madiwan landslide in the Three Gorges Reservoir area as an example. First, the groundwater response lag period is determined through characteristic period analysis and Granger test, and then the influencing factors of groundwater are determined based on the response lag period. Finally, the groundwater response characteristics of the Madiwan landslide are revealed through the Apriori data mining algorithm. The research results show that the groundwater response at the front edge of the landslide has a greater correlation with the fluctuation of the reservoir water level, and the groundwater response at the middle and rear edge of the landslide has a greater correlation with rainfall. The best response lag period of the groundwater of the Madiwan landslide to rainfall and reservoir water is 1 day. The underground water level in the later part of landslide is sensitive to the rainfall, while that in the former part of the landslide is constantly related to the water level. |
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| Keywords: | Madiwan landslide Three Gorges Reservoir area response characteristics Apriori algorithm groundwater |
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