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首页> 外文期刊>Journal of Asian earth sciences >Evolution of neotectonic activity of East Anatolian Fault System (EAFS) in Bingoel pull-apart basin, based on fractal dimension and morphometric indices
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Evolution of neotectonic activity of East Anatolian Fault System (EAFS) in Bingoel pull-apart basin, based on fractal dimension and morphometric indices

机译：基于分形维数和形态计量学指标的宾果尔拉拉盆地东安纳托利亚断裂系统（EAFS）新构造活动演化

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摘要

This study is an attempt of a semi-automatic geomorphological GIS analysis based on morphometric indices. In the study, 10-m-resolution Digital Elevation Models (DEMs) are used to assess the neotectonic signals regarding the recent topographic developments and to attach additional significance to active tectonics in the Bingol basin area. The methodology incorporates the determination of the structural similarities of the faults in the basins using fractal concepts and the application of four morphometric indices (Stream Power Index (SP), Multi-resolution Index of Valley Bottom Flatness (MRVBF), Terrain Ruggedness Index (TRI) and Valley Width-to-Height Ratio (Vf)). In order to detect the deviation from spatial randomness of the applied indices, the weighted correlation coefficient Moran's Ⅰ is used and the results are interpreted at a confidence interval of 99%. The spatial distribution of integrated index values is evaluated with the tectonically active fault zones in order to determine the probable activity and the structural deformation in the basin. The applied methodology reveals that the fractal analysis of the fault lines and the spatial analysis of the morphometric indices proved to be effective tools in analyzing the tectonic influence of the fault system on the basin area. Within the basin area, a relatively lesser degree of tectonic activity is observed, in contrast with the high tectonic activity outside the basin.
机译：这项研究是基于形态计量指标的半自动地貌GIS分析的尝试。在这项研究中，使用10米分辨率的数字高程模型（DEM）来评估有关最新地形发展的新构造信号，并使宾戈尔盆地地区的活跃构造具有更多意义。该方法包括使用分形概念确定盆地断层的结构相似性，并应用四个形态计量指标（流功率指数（SP），谷底平坦度的多分辨率指数（MRVBF），崎ugg度指数（TRI）） ）和谷宽高比（Vf））。为了检测所应用指标与空间随机性的偏差，使用加权相关系数MoranⅠ，并以99％的置信区间解释结果。为了确定盆地中可能的活动和构造变形，利用构造活动断层对综合指标值的空间分布进行了评估。应用的方法学表明，断层线的分形分析和形态计量指标的空间分析被证明是分析断层系统对盆地地区构造影响的有效工具。与盆地外的高构造活动相比，盆地内的构造活动程度相对较低。

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