Use of Teleseismic SV Waves in Source and Structure Inversion

远震 SV 波在震源和结构反演中的应用

• 批准号: 8916454
• 负责人: Charles Langston
• 金额: $ 15.97万
• 依托单位: Pennsylvania State Univ University Park
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-02-15 至 1992-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8916454&HistoricalAwards=false
• 关键词: Use; Teleseismic; SV; Waves; Source

This research is to utilize earthquake SV waves that have been largely ignored by seismologists in studies of gross earth structure and source parameter estimation even though these waveforms potentially contain as much information on source and structure as P or SH waves. Complications in wave propagation cause the teleseismic SV phase to be sensitive to source structure, receiver structure, and source parameters making inversion for any isolated set of parameters difficult. Based on success from a pilot study utilizing SV waves, two avenues of research involving near-source structure and near-receiver structure will be followed. A specific area of study for the former will be the Tibetan Plateau. This work has application to the study of structure in seismically active areas and is therefore a component of the National Earthquake Hazard Reduction Program.

这项研究是利用地震SV波， 地震学家们在研究地球的时候 结构和源参数估计 波形潜在地包含尽可能多的关于源的信息， P波或SH波。 波传播的复杂性 导致双稳态SV相位对源敏感 结构、接收器结构和源参数 反演任何孤立的参数集是困难的。 基于 利用SV波的试点研究取得了成功， 近源近接收研究 结构将遵循。 一个特定的研究领域， 前者是青藏高原。 这项工作适用于 对地震活跃区构造研究， 因此，国家地震减灾计划的一个组成部分 程序.