Quantifying the impact of 3D effects on 3D Electrical Resistivity Tomography data at Mactaquac Dam, New Brunswick

量化 3D 效应对新不伦瑞克省 Mactaquac 大坝 3D 电阻率断层扫描数据的影响

• 批准号: NE/V010123/1
• 负责人: Andrew Binley
• 金额: $ 0.72万
• 依托单位: Lancaster University
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2020
• 资助国家: 英国
• 起止时间: 2020 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=NE%2FV010123%2F1
• 关键词: Quantifying; impact; 3D; effects; Electrical

EPSRC : John Ball : EP/R513076/1 Geophysical techniques are being increasingly used to monitor the structural conditions of dams, due to their widespread coverage and ability to detect subsurface issues, such as the development of seepage pathways. One such technique is Electrical Resistivity Tomography (ERT), which is sensitive to moisture content and porosity, meaning it can be useful for detecting areas of potential seepage, and therefore parts of the dam which are failing.Analysis of geophysical data often requires computer models. In my PhD I have been exploring how such models can lead to incorrect interpretations if the 3D geometry of the site or dynamic variation in water levels adjacent to the dam are not accounted for. This exchange will allow me to apply some of the approaches I have been working on to an established site in Canada where geophysical techniques have been applied. I anticipate that the work will enable greater certainties in data interpretations.

EPSRC：John Ball：EP/R513076/1 地球物理技术越来越多地用于监测大坝的结构状况，因为其覆盖范围广泛且能够检测地下问题，例如渗流通道的发展。其中一种技术是电阻率断层扫描 (ERT)，它对水分含量和孔隙率敏感，这意味着它可用于检测潜在渗漏区域，从而检测大坝正在失效的部分。地球物理数据分析通常需要计算机模型。在我的博士学位中，我一直在探索如果不考虑场地的 3D 几何形状或大坝附近水位的动态变化，这些模型将如何导致错误的解释。这次交流将使我能够将我一直在研究的一些方法应用于加拿大已应用地球物理技术的站点。我预计这项工作将使数据解释更加确定。