地震学全波形反演进展
全波形反演是一种基于声波/弹性/黏弹性波动方程来反演三维地球模型的高分辨率成像方法. 目前该方法已经被广泛应用于油气勘探、地壳与上地幔结构以及地幔对流的研究当中. 使用该方法,可以建立一个统一的理论和算法框架来反演地球内部的多个地震学参数模型,主要包括P波和S波速度、各向异性、黏滞性衰减、密度以及反射系数等. 通过联合解释这些地震学多参数结果,可以更好地约束地球内部的温度变化、物质构成、地幔对流以及水和挥发成分的分布. 目前,关于全波形反演的研究前沿主要包括目标函数的选取、多参数联合反演、模型正则化约束、分辨率和不确定性分析,以及其在新型地震数据,例如背景噪声和线性密集台阵中的应用. 此外,为...
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Published in | 地球与行星物理论评 Vol. 54; no. 3; p. 287 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
Beijing
Editorial Office of Reviews of Geophysics and Planetary Physics
01.01.2023
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Subjects | |
Online Access | Get full text |
ISSN | 2097-1893 |
DOI | 10.19975/j.dqyxx.2022-031 |
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Abstract | 全波形反演是一种基于声波/弹性/黏弹性波动方程来反演三维地球模型的高分辨率成像方法. 目前该方法已经被广泛应用于油气勘探、地壳与上地幔结构以及地幔对流的研究当中. 使用该方法,可以建立一个统一的理论和算法框架来反演地球内部的多个地震学参数模型,主要包括P波和S波速度、各向异性、黏滞性衰减、密度以及反射系数等. 通过联合解释这些地震学多参数结果,可以更好地约束地球内部的温度变化、物质构成、地幔对流以及水和挥发成分的分布. 目前,关于全波形反演的研究前沿主要包括目标函数的选取、多参数联合反演、模型正则化约束、分辨率和不确定性分析,以及其在新型地震数据,例如背景噪声和线性密集台阵中的应用. 此外,为了更好地解释反演所得到的地震学多参数模型以及探讨相关的地球科学问题,需要多学科之间的交叉合作,包括结合地震学以及岩石矿物实验和地球动力学模拟等的结果. 相关的成果对更好地认识油气储层构造、盆地结构、断层分布以及地幔对流具有重要的科学意义. |
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AbstractList | 全波形反演是一种基于声波/弹性/黏弹性波动方程来反演三维地球模型的高分辨率成像方法. 目前该方法已经被广泛应用于油气勘探、地壳与上地幔结构以及地幔对流的研究当中. 使用该方法,可以建立一个统一的理论和算法框架来反演地球内部的多个地震学参数模型,主要包括P波和S波速度、各向异性、黏滞性衰减、密度以及反射系数等. 通过联合解释这些地震学多参数结果,可以更好地约束地球内部的温度变化、物质构成、地幔对流以及水和挥发成分的分布. 目前,关于全波形反演的研究前沿主要包括目标函数的选取、多参数联合反演、模型正则化约束、分辨率和不确定性分析,以及其在新型地震数据,例如背景噪声和线性密集台阵中的应用. 此外,为了更好地解释反演所得到的地震学多参数模型以及探讨相关的地球科学问题,需要多学科之间的交叉合作,包括结合地震学以及岩石矿物实验和地球动力学模拟等的结果. 相关的成果对更好地认识油气储层构造、盆地结构、断层分布以及地幔对流具有重要的科学意义. |
Author | Liu Qinya Yang, Jidong 刘沁雅 杨继东 Zhu Hejun 祝贺君 |
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SubjectTerms | Anisotropy Convection Earth sciences Seismology Wave velocity |
Title | 地震学全波形反演进展 |
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