Research on risk early warning for rainfall-induced shallow landslides in Guangdong Province based on a dynamic slope instability model [PDF]
In light of the accuracy and model construction challenges in county-level meteorological risk early warning for geo-hazards, and considering the prominent characteristics that these geo-hazards mainly occur on the shallow surface of residual slopes, the
Pingxin WEI +5 more
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Mechanism of rainfall-induced shallow landslide and stability prediction model [PDF]
The rainfall-induced shallow landslides are primarily debris landslides, which features simultaneity with significant hazard, and the hydrological response mechanism of water table and soil moisture content to precipitation of this type of landslide is ...
Chenxing WANG +6 more
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Shuitu Baochi Xuebao, 2021 为了系统性研究灌木植物根系的固土力学效应，探讨土体对根系的摩阻特性，以4种不同土壤粒径（原级配，1.0~2.0，0.5~1.0，
郭欢 +4 more
doaj
Responses of Loess Ground with Different Slopes and Vegetation Covers to Rainfall Infiltration [PDF]
[Objective] To investigate the soil moisture response to rainfall in loess ground with different slopes and vegetation types. [Methods] Eight in-situ observation plots were established, including flat surfaces with bare soil, Artemisia cover, and Robinia
HU Xiangyang +6 more
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Visualization analysis of research literature on early warning of geo-hazards based on meteorological factors in the past 20 years [PDF]
Early warning of geo-hazards based on meteorological factors in China began in 2003, and early warning informations are issued to the public every year during the flood season to alert the public to guard against geo-hazards such as landslides, debris ...
Chunli CHEN +5 more
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Landslide susceptibility modeling and interpretability based on CatBoost-SHAP model [PDF]
This study is dedicated to delving deeply into the uncertainty and interpretability of ensemble learning models in landslide susceptibility modeling. Focusing on the eastern coastal mountainous region of Zhejiang Province as the study area, this research
Fan WU +4 more
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Shuitu Baochi Xuebao, 2020 为探究甘肃天水浅表层滑坡易发区滑坡分布特征与植被的关系，选取典型滑坡区域和典型植被类型进行研究。油松、华山松、日本落叶松和锐齿槲栎为研究区内典型乔木类型，针对种间根系分布特征和力学特性展开研究。首先，通过无人机获取区域不同植被类型分布，统计得到不同林分类型下的滑坡密度；其次，通过剖面法调查0—100 cm土层深度内的根系数量与直径分布，进行了单根抗拉试验测得抗拉强度，并分层量化为根系附加黏聚力；最后，结合林分调查结果和岩土体力学性质，计算不同植被类型边坡在不同水分条件下和坡度下的安全系数。结果表明：（1）
李牧阳 +5 more
doaj
Development and distribution characteristics of geohazards based on sedimentary-structural evolution in Xide County, southwest Sichuan [PDF]
Xide County, located in Sichuan Province, lies at transitional zone between the western margin of the Yangtze Block and the eastern margin of the Qinghai-Xizang Plateau.
Hua GE +10 more
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Shuitu Baochi Xuebao, 2020 植被能够有效提升浅层坡体的稳定性和抗蚀性。为了初步定量评估浅层滑坡易发的黄土丘陵沟壑区植被固坡作用在自然条件下的动态变化结果，以黄土丘陵沟壑区主要造林树种刺槐为例，考虑植被固坡的根系机械作用和水文作用在2017年全年自然条件下的动态变化。通过挖掘根系剖面对根系截面积分布进行调查，单根抗拉试验测试根系抗拉强度，以利用Wu模型对刺槐根系的附加黏聚力进行计算；通过现场调查确定研究样地与植被水文作用相关的参数，室内入渗试验和土壤离心试验获取土壤的水力学参数，利用生态水文领域水分运移软件Hydrus ...
代智盛 +5 more
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Landslide susceptibility evaluation considering the importance selection of influencing factors and soil moisture content [PDF]
The current landslide susceptibility assessment system lacks unified and scientifically grounded standards for selecting factors that influence landslide development, leading to inconsistencies in evaluation results.
Liwei YUAN +3 more
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