基于GIS的腊撒水电站库区渗漏地段初步分析
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摘要
由于库区的广域性和地质条件的复杂性,水库渗漏问题一直是水利水电工程中主要工程地质问题。近年来遥感技术、GIS(Geographic Information System,地理信息系统)技术、三维技术的发展,为水库渗漏分析提供了一个有力的工具平台。本文以某水库库区渗漏问题为研究对象,基于遥感技术、GIS技术、三维技术建立的三维遥感影像可视化系统,对某库区地形数据进行分析,结合地层岩性、地质构造、水动力条件等,辨识出库区可能渗漏通道,进行渗漏估算,判断库区水库渗漏情况。
Due to the geological complexity of the wide reservoir area,reservoir leakage problem has been the subject of research in water resources and hydropower engineering.In recent years,the development and application of GIS,remote sensing technology and three-dimensional(3D) technology have provided powerful tools in analyses of the reservoir leakage problem.Based on the 3D remote sensing image visualization system created with remote sensing technology,GIS and 3D technology,the leakage problem of a reservoir is examined.By analyzing the terrain data,the existing leaking channels are identified in combination with lithology,geological structure and hydrogeological conditions of the study area.The quantity of leakage is calculated to evaluate the reservoir leakage.With the characteristics of accuracy and timeliness,the system will play an important role in preliminary analyses of reservoir leakage problem as well as forecasting decision making.
Due to the geological complexity of the wide reservoir area,reservoir leakage problem has been the subject of research in water resources and hydropower engineering.In recent years,the development and application of GIS,remote sensing technology and three-dimensional(3D) technology have provided powerful tools in analyses of the reservoir leakage problem.Based on the 3D remote sensing image visualization system created with remote sensing technology,GIS and 3D technology,the leakage problem of a reservoir is examined.By analyzing the terrain data,the existing leaking channels are identified in combination with lithology,geological structure and hydrogeological conditions of the study area.The quantity of leakage is calculated to evaluate the reservoir leakage.With the characteristics of accuracy and timeliness,the system will play an important role in preliminary analyses of reservoir leakage problem as well as forecasting decision making.
引文
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[3]赵志宏,邢庆祝.综合物探技术在水库堤防渗漏通道探测中的应用[J].矿产勘查,2011(3):322-324[ZHAO Z H,XING Q Z.Application ofcomprehensive geophysical prospecting technology inhidden defects detection in reservoir levee[J].Mineral Exploration,2011(3):322-324.(inChinese)]
[4]于贺海,孔繁友.青松水库大坝渗漏隐患探测中的应用[J].中国科技信息,2009(12):95-96.[YU HH,KONG F Y.Application of the high-densityresistivity method in detecting hidden leakage of theQingsong reservoir dam[J].China Science andTechnology Information,2009(12):95-96.(inChinese)]
[5]孔繁友,郭伟,贺清录.高密度电阻率法在铧尖子水库大坝渗漏隐患探测中的应用[J].广东水利水电,2008(6):13-15.[KONG F Y,GUO W,HE Q L.Application of the high-density resistivity method indetecting hidden leakage of the Huajianzi reservoirdam[J].Guangdong Water Resources andHydropower,2008(6):13-15.(in Chinese)]
[6]徐礼彬.偏城水库渗漏通道探测研究[J].黑龙江科技信息,2011(23):292.[XU L B.Research ofdetecting Piancheng reservoir seepage channel[J].Heilongjiang Science and Technology Information,2011(23):292.(in Chinese)]
[7]李兆林,邹胜章,罗伟权,等.屋檐洞溶洼水库坝体工程条件与渗漏分析[J].水文地质工程地质,2006,33(2):71-74.[LI Z L,ZOU S Z,LUO WQ,et al.Engineering condition and speeage analysis ofdam for Wuyandong karst depression reservoir[J].Hydrogeology&Engineering Geology,2006,33(2):71-74.(in Chinese)]
[8]郑莉.某水库12号坝渗漏分析[J].中国农村水利水电,2011(6):138-139.[ZHENG L.Analysis ofseepage in 12th dam of one reservoir[J].ChinaRural Water and Hydropower,2011(6):138-139.(in Chinese)]
[9]陈勇,李进,张莉萍,等.南京市赭山头水库坝肩渗漏处理[J].水文地质工程地质,2011,38(5):76-79.[CHEN Y,LI J,ZHANG L P,et al.Diaphragmtreatment in Zheshantou Dam abutment of Nanjing City[J].Hydrogeology&Engineering Geology,2011,38(5):76-79.(in Chinese)]
[10]魏加华,王光谦,李慈君,等.基于GIS的地下水资源评价[J].清华大学学报:自然科学版,2003,48(8):1104-1107.[WEI J H,WANG G Q,LI C J,et al.GIS-based groundwater resource evaluation[J].J T singhua U niv:Sci&Tech,2003,48(8):1104-1107.(in Chinese)]
[11]周世明.水库渗漏浅析[J].水利天地,2009(12):39.[ZHOU S M.Analysis of reservoir leakage[J].Shuili Tiandi.2009(12):39.(in Chinese)]
[12]葛娟.泾惠渠水库渗漏研究[J].电网与清洁能源,2009(8):78-80.[GE J.Discuss on LeakagePrevention for Jinghui Irrigation[J].Power Systemand Clean Energy,2009(8):78-80.(in Chinese)]
[13]汪德云.天开水库岩溶渗漏勘察综述[J].北京水利,2004(1):19-20.[WANG D Y.Discuss onLeakage Prevention for Tiankai reservoir[J].BeijingHydraulic Engineering,2004(1):19-20.(inChinese)]
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