Characteristics and influencing factors of landslide in Suide county
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Abstract:
Suide county is located in the hinterland of the Loess plateau. The topography is tattered, the hilly is up and down, the geological environment condition is fragile, and landslides occur frequently. According to the detailed investigation of geological hazards, there were 48 landslides. On the basis of detailed surveying and mapping, the development characteristics, distribution and influencing factors of landslides were studied in depth, and the results showed that: (1)The landslides in Suide county all belonged to shallow loess landslide and were mainly in form of small landslide. (2)There was a close relationship between distribution of landslide and geomorphology, area, rainfall. The spatial distribution characteristics of landslide was all developed in loess ridge and river terrace and mostly developed in the county with more people and more human engineering activity. The temporal distribution characteristics of landslide was mostly developed in time of human engineering activity and in the rainy season, especially in the time between June and September.(3)The main influencing factor of landslide was the geomorphology, the soil, human engineering activity, rainfall.