基于微动方法的浅层结构探测实验设计与实施  

Experimental Design and Implementation of Shallow Structure Detection Based on Microtremor Method

作　　者：田有[1] 李洪丽[1] 屈丽娟 TIAN You;LI Hongli;QU Lijuan(College of Geoexploration Science and Technology,Jilin University,Changchun 130026,China)

机构地区：[1]吉林大学地球探测科学与技术学院,长春130026

出　　处：《实验室研究与探索》2023年第11期8-11,共4页Research and Exploration In Laboratory

基　　金：国家自然科学基金项目(42274065);吉林省高教科研课题(JGJX2022D25);吉林大学教育教学改革与研究资助项目(2022JGY070)。

摘　　要：为了增加地球物理学专业本科生野外科研实践,设计了基于微动面波法的校园浅层结构探测实验。该实验包括基阶与高阶面波频散曲线联合反演地表浅层结构的方法和原理、野外微动数据采集、高阶和基阶面波频散曲线提取与地下结构反演等,最后完成反演结果的分析与解译,即完成一次野外科研实践。结果表明,该实验项目能够提升学生的动手操作能力,为探索和完善新工科背景下地球物理类基础实验课程教学和科研实践提供了有益借鉴。In order to enhance the field research practice of undergraduate students of geophysics major,a campus shallow structure detection experiment project based on microtremor surface wave method is designed.This experiment includes methods and principles for joint inversion of fundamental and higher mode surface wave dispersion curves to determine shallow subsurface structures,field microtremor data acquisition,extraction of higher and fundamental mode surface wave dispersion curves,and inversion of underground structures.Finally,the analysis and interpretation of the inversion results are conducted,then a field research practice is completed.The results indicate that this experiment project can improve students’practical operational abilities and provide valuable references for exploring and improving the teaching and scientific research practice of basic experimental courses in geophysics under the context of new engineering disciplines.

关 键 词：地下浅层结构 微动 高阶面波频散 科研实践 

分 类 号：P315[天文地球—地震学]