Investigation of Subsurface Structures Using Seismic Refraction Tomography

Thesis Abstract

Abstract
Seismic refraction tomography is a powerful geophysical method used to investigate subsurface structures by analyzing the propagation of seismic waves through the Earth. This thesis presents a comprehensive study on the application of seismic refraction tomography in mapping subsurface structures and understanding geological features. The main objective of this research is to assess the effectiveness of seismic refraction tomography in delineating subsurface structures and its potential for various geophysical applications. The introductory chapter provides an overview of the research area, including the background of the study, problem statement, research objectives, limitations, scope, significance, structure of the thesis, and definitions of key terms. The literature review chapter critically examines existing research on seismic refraction tomography, highlighting its principles, methodologies, and applications in geophysics. Various case studies and advancements in the field are also discussed to provide a comprehensive understanding of the topic. The research methodology chapter outlines the procedures and techniques employed in conducting the seismic refraction tomography survey. It includes details on data acquisition, processing, interpretation, and modeling to generate subsurface velocity models. The chapter also discusses the challenges encountered during the fieldwork and the strategies used to overcome them. The findings chapter presents a detailed analysis of the subsurface structures delineated using seismic refraction tomography. The interpreted velocity models are discussed in relation to the geological features and structural complexities observed in the study area. The implications of the findings for geophysical exploration and resource assessment are also highlighted, providing valuable insights into the subsurface characteristics. In the conclusion and summary chapter, the key findings of the research are summarized, and the overall effectiveness of seismic refraction tomography in mapping subsurface structures is evaluated. The limitations of the study are acknowledged, and recommendations for future research directions are proposed to enhance the applicability of seismic refraction tomography in geophysical investigations. In conclusion, this thesis contributes to the body of knowledge on seismic refraction tomography and its applications in geophysics. The research findings provide valuable information for geoscientists, geophysicists, and researchers interested in subsurface mapping and exploration. By combining theoretical principles with practical applications, this study advances the understanding of subsurface structures and demonstrates the potential of seismic refraction tomography as a versatile tool in geophysical investigations.