高密度电阻率法多剖面二维勘探数据的三维反演及应用
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Release time:2020-08-09 Affiliation of Author(s):中南大学地球科学与信息物理学院 Teaching and Research Group:中南大学应用地球物理系 Journal:工程勘察 Place of Publication:中国 Funded by:2007BAK24B02；40804027；41074085；200805331082；09JJ3084 Key Words:高密度电阻率法; 二维反演; 三维反演; 岩层划分 Abstract:目前高密度电阻率法所采用的数据资料处理方法主要是把地质结构体视为二度体进行二维处理,而实际的地质结构体大都为三度体或似二度体,从而二维数据资料处理结果只是一种近似解释,其计算精度与反演效果都不佳,对测区多条断面进行综合解释的难度大.然而在实际勘探工作中,受自然条件和工作成本的影响,三维勘探原始数据的获得一般较少,数据勘探仍以二维为主,这样利用二维勘探数据进行三维反演显得尤为重要.本文结合了广东某地高密度电阻率法对岩层划分的工程勘察实例,利用二维勘探的数据进行三维反演,并对二、三雏反演结果进行对比,结果表明三维反演在岩层划分中更能凸显岩层分界面区域及岩层的空间分布,而岩层与覆盖层的整体连续性也得以更真实的体现,与钻探结果吻合更好. Co-author:肖波, 冯德山 First Author:戴前伟 Indexed by:Applied Research Discipline:地质资源与地质工程 Document Type:J Volume:39 Issue:4 Page Number:84-89 ISSN No.:1000-1433 Translation or Not:no CN No.:11-2025/TU Date of Publication:2011-04-01 -
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