دورية أكاديمية
Analysis of basic characteristics and deformation mechanism of loess potential landslide of terrace: Taking loess hilly region in southern Ningxia as an example
| العنوان: | Analysis of basic characteristics and deformation mechanism of loess potential landslide of terrace: Taking loess hilly region in southern Ningxia as an example |
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| المؤلفون: | Zhengjun MAO, Jinge ZHANG, Jiaxin ZHONG, Jun WANG |
| المصدر: | Zhongguo dizhi zaihai yu fangzhi xuebao, Vol 33, Iss 6, Pp 142-152 (2022) |
| بيانات النشر: | Editorial Office of The Chinese Journal of Geological Hazard and Control, 2022. |
| سنة النشر: | 2022 |
| المجموعة: | LCC:Geology |
| مصطلحات موضوعية: | terrace type, loess, potential landslide, development characteristics, genetic analysis, loess hilly region of southern ningxia, Geology, QE1-996.5 |
| الوصف: | The Yellow River Basin has active geological structure, rapid geomorphic evolution and significant regional differentiation of climate, resulting in many types of major disasters in the basin, wide distribution and strong paroxysm. Taking the Loess Hilly Region in the south of Ningxia as the research area, this paper introduces the concept of loess potential landslide of terrace. By combining historical data collection, remote sensing image interpretation, field investigation and mathematical statistics, it analyzes the development characteristics and distribution rules of loess potential landslide of terrace, and analyzes its formation reasons. The results show that: （1）There are 26 loess potential landslide of terrace in the study area, which are mainly distributed in the Quaternary loess, with a larger number of medium and long slopes, mainly loess potential landslide of terrace of shallow and middle-level, and the scale is mainly small. （2）The loess potential landslide of terrace are mainly distributed in loess hilly areas and large undulating mountain areas, the elevation interval of 1 800~2 000 m, and the slope direction is southeast, South and southwest in space; It is mainly distributed in rainy season or seismicity period in time. （3）Topography, stratum lithologic, rainfall, surface water and human engineering activities are the main factors for the loess potential landslide of terrace. The research results have guiding and reference significance for the risk identification and risk management of loess potential landslide of terrace in the Loess Hilly Region in Southern Ningxia and the Yellow River Basin. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | Chinese |
| تدمد: | 1003-8035 44128614 |
| Relation: | https://doaj.org/toc/1003-8035 |
| DOI: | 10.16031/j.cnki.issn.1003-8035.202205005 |
| URL الوصول: | https://doaj.org/article/02e62b30d63a44128614529962bff41f |
| رقم الأكسشن: | edsdoj.02e62b30d63a44128614529962bff41f |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 10038035 44128614 |
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| DOI: | 10.16031/j.cnki.issn.1003-8035.202205005 |