洛斯斜坡系统中水流的一般模式以及对斜坡地质安全的影响
Li Feng1, Maosheng Zhang2, Hao Liu3
1School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China.
The Science of the total environment
|June 21, 2024
概括
这项研究引入了一种改进的电阻断层扫描 (ERT) 装置,用于无人长期监测水和地下水. 它增强了对水流动和滑坡斜坡的山体滑坡风险的理解.
科学领域:
- 地质科学 地质科学
- 水文学的水文学
- 环境科学 环境科学
背景情况:
- 低地区在水文过程量化和风险评估方面存在挑战,原因是偏好的流道和有限的监测技术.
- 现有的方法很难有效地监测复杂的水环境中的动态水流动和地下水波动.
研究的目的:
- 开发和验证一款改进的电阻断层扫描 (ERT) 装置,用于增强,自动化和经济高效地监测水和水文过程.
- 推进对水流动模式及其与地质结构及其在坡上的山体滑坡引发的关系的理解.
主要方法:
- 设计了一种改进的ERT设备,改进了测试原理,电源和数据收集,用于无人,自动和远程操作.
- 现场监测数据被收集和分析,以分类优选的流量类型和概括水的运动模式.
- 开发了一个概念框架来解释漏和地质结构在启动滑滑坡中的协同作用机制.
主要成果:
- 改进的ERT设备可以有效跟踪水流动和地下水位波动,支持长期在线监测.
- 洛斯系统中的水流动被概括为四种模式:均透,优先透,流入扩散和横流.
- 一个概念框架阐明了漏-结构协同作用的Loess滑坡机制,将水文条件和地质结构与故障联系起来.
结论:
- 开发的ERT技术显著提升了低地区的斜坡水文监测.
- 了解水流动规律和山体滑坡机制对于改善早期预警系统和优先流的理论建模至关重要.
- 这些发现对于评估地质安全风险和低坡系统潜在的生态水文影响至关重要.
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