天水地区S波速度结构

THE VELOCITY STRUCTURE OF S-WAVES IN TIANSHUI AREA

摘要:

本文归纳总结出人工地震测深中利用垂直向记录识别S波震相的几个准则,提出了P波和S波联合反演地壳结构的方法。根据这一方法,反演了南北地震带北段张家川炮灵台-阿木去乎测线、厂坝炮徽县-礼县测线等的地壳结构,并给出了各段地壳介质有关参数。结果表明,P、S波联合反演所得结果可信度较大。

Abstract:

Several rules to distinguish S-wave phase of vertical records in DSS and a method to inverse simultaneously crustal structure by P-and S-wave have been put forward and sumed up.The crustal structures of Lingtai-Amuquhu profile from Zhangjiachuan shot and Huixian-Lixian profile from Changba shot located on the northern part of South-North Seismic Belt were inversed according to this method,the medium parameters of crust were calculated.The results indicated that the results obtained from simultaneous inversion of P-and S-wave are believable.