An Inventory of Large-Scale Landslides in Baoji City, Shaanxi Province, China

DATA(2022)

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摘要
Landslides are a typical geological hazard that endangers people's lives and property in the Loess Plateau. The destructiveness of large-scale landslides, in particular, is incalculable. For example, traffic disruptions, river blockages, and house collapses may all result from landslides. Thus, it is urgent to compile a complete inventory of landslides in a specific region. The investigation object of this study is Baoji City, Shaanxi Province, China. Using the multi-temporal high-resolution remote sensing images from Google Earth, we preliminarily completed the cataloging of large-scale (area > 5000 m(2)) landslides in the study area through visual interpretation. The inventory was subsequently compared with the existing literature and hazard records for improvement and supplement. We identified 3422 landslides with a total area of 360.7 km(2) and an average area of 105,400 m(2) for each individual landslide. The largest landslide had an area of 1.71 km(2), while the smallest one was 6042 m(2). In previous studies, we analyzed these data without describing the data sources in detail. We now provide a shared dataset of each landslide in shp format, containing geographic location, boundary information, etc. The dataset is significantly useful for understanding the distribution characteristics of large-scale landslides in this region. Moreover, it can serve as basic data for the study of paleolandslide resurrection.
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关键词
Loess Plateau, Baoji City, large-scale landslides (area > 5000 m(2)), google earth, visual interpretation
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