Modelled Coulomb failure stress changes for 62 locations of circum-Antarctic faults since the last glacial maximum

The folders contain files with modelled Coulomb failure stress (CFS) changes in the last 21,000 years for 62 locations of circum-Antarctic faults investigated in Barbosa et al. (2025). The CFS changes are dependent on the characteristics of the tectonic background stress regime, the orientation of a potential fault and the used model of glacial isostatic adjustment (GIA).

We provide two zipped files for strike-slip faulting (SSF) and reverse/thrust-faulting (TF) tectonic background stress regime. The individual file names contain information on the tectonic background stress regime, the fault orientation for which CFS changes are calculated, and the GIA model. Please see Barbosa et al. (2025) for a detailed description of the parameters and the readme.txt for the naming convention.

本数据集的文件夹中包含对应Barbosa等人(2025)研究涉及的62处环南极断层点位的文件，这些文件模拟了过去21000年的库仑破裂应力（Coulomb failure stress, CFS）变化。库仑破裂应力变化受构造背景应力场特征、潜在断层走向以及所采用的冰川均衡调整（glacial isostatic adjustment, GIA）模型的影响。

本次数据集提供两个压缩文件，分别对应走滑断层作用（strike-slip faulting, SSF）与逆冲/逆断层作用（reverse/thrust-faulting, TF）两类构造背景应力场。单个文件名包含了构造背景应力场类型、用于计算库仑破裂应力变化的断层走向参数，以及所使用的冰川均衡调整模型相关信息。参数的详细说明请参阅Barbosa等人(2025)的研究成果，文件命名规范请查看readme.txt。