川滇地区界面结构模型

该数据集为利用堆叠背景噪声成像、远震面波层析成像及远震体波波形联合反演方法获得的川滇周边地区的界面结构模型。首先向国家测震台网数据备份中心申请获得地震波形数据，利用采集的地震波形数据，在去均值、去趋势、去仪器响应及滤波后，基于背景噪声及远震面波提取频散曲线，并与远震体波波形联合反演获得川滇地区的沉积层、地壳及岩石圈厚度模型。该模型数据集可用于进一步研究川滇地区大震孕震背景、岩石圈构造演化及青藏高原扩展等重要科学问题。

This dataset is an interface structure model of the region surrounding Sichuan and Yunnan provinces, obtained via a joint inversion method combining stacked ambient noise imaging, teleseismic surface wave tomography, and teleseismic body wave waveform inversion. First, seismic waveform data was acquired through application to the National Seismograph Network Data Backup Center. Using the collected seismic waveform data, after demeaning, detrending, instrument response removal and filtering, dispersion curves were extracted based on ambient noise and teleseismic surface waves. A joint inversion with teleseismic body wave waveforms was then conducted to derive the sedimentary layer, crustal and lithospheric thickness models of the Sichuan-Yunnan region. This model dataset can be used for further research on key scientific issues such as the seismogenic background of large earthquakes in the Sichuan-Yunnan region, lithospheric tectonic evolution and the expansion of the Tibetan Plateau.

搜集汇总

背景与挑战

背景概述

该数据集为川滇地区的界面结构模型，通过堆叠背景噪声成像、远震面波层析成像及远震体波波形联合反演方法获得，包含沉积层、地壳及岩石圈厚度信息。其空间分辨率为10km至100km，数据大小为425.68 KB，主要用于研究大震孕震背景、岩石圈构造演化及青藏高原扩展等科学问题。