Comparison and application on meteorological forecast models of geological hazards for highways in low mountain and hilly area: A case study along the highways in Jiangxi Province [PDF]
In order to improve the prediction and early warning of road geological hazards and mitigate the impact of heavy rainfall on the safety of high-speed driving in mountainous areas, this paper combines precipitation data from national meteorological ...
Keyong XIE +3 more
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Erosion Characteristics and Its Simulation of Erosion Amount for an Artificial Forest in an Exposed Feldspathic Sandstone Area [PDF]
[Objective] The rainfall characteristics and water and sediment control ability of different types of artificial forestland in an exposed feldspathic sandstone area were determined in order to provide guidance for vegetation construction in the study ...
Dong Xiaoyu, Qin Fucang, Yang Zhenqi
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Integrated assessment of soil cutting slope stability using fuzzy mathematics and numerical simulation [PDF]
The complexity and uncertainty of the factors affecting the stability of artificial slope in loess regions pose challenges for achieving objective and accurate assessments through a single method. To investigate the stability of the artificial soil slope
Chongjing WANG, Guowei LIU, Long ZHANG
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Characteristics of Erosive Rainfall and Its Effects on Runoff and Sediment Yield in a Low Mountain and Hilly Area of Lianyungang City [PDF]
[Objective] The effects of different rainfall characteristics and different underlying surface conditions on soil erosion and sediment yield were determined in a low mountain and hilly area of Lianyungang City, Jiangsu Province, in order to provide a ...
Cheng Jianmin +3 more
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Optical quantum positioning method based on random resampling of scattering free path [PDF]
To solve the problem that the quantum signal was disturbed by the scattering environment, which lead to large fluctuation of the positioning error and poor positioning robustness, an optical quantum positioning method based on random resampling of the ...
Jing ZHANG +4 more
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Optimization of SCS-CN Model in a Mountainous Area on West Bank of Dianchi Lake [PDF]
[Objective] The mountain flood runoff on the west bank of Dianchi Lake was simulated and calculated in order to provide a scientific basis for constructing flood interception facilities, reducing mountain flood disasters, and protecting the water ...
Li Jinmei, Wang Jinliang, Zhou Jingchun
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侵蚀性降雨是引起喀斯特黄壤坡面水土流失的主要动力因子。采用贵州省遵义市浒洋水流域2018—2020年4个径流小区92次侵蚀性降雨产流产沙实测数据,研究次降雨条件下,裸露坡面和块石出露小区对产流产沙的影响。结果表明:(1)侵蚀性降雨可以分为A、B、C 3类,A类降雨是造成喀斯特黄壤坡面土壤侵蚀的主要雨型。侵蚀性降雨的标准为次降雨量>6.6 mm或I30>3.6 mm/h。(2)裸露坡面63.27%的侵蚀性降雨径流深<0.4 mm,66.30%的侵蚀性降雨土壤流失量<1 g/m2 ...
陈磊 +5 more
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Impact of rainstorm weather on urban road capacity [PDF]
The rainstorm weather seriously affects the operation of urban traffic, and the surface gathered water and its obstruction to vision lead to a decrease of road capacity.
Ji, Xun +4 more
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为了进一步研究丹江口库区不同降雨类型下植被措施控制土壤侵蚀的效果,以丹江口库区典型生态修复小流域为研究对象,采用坡面径流小区观测法,基于长期野外原位监测的降雨和径流泥沙数据,以裸地为对照,研究不同降雨类型下典型植被恢复措施对坡面产流产沙和土壤侵蚀的影响,分析植被措施的水土保持效应对降雨类型的响应特征。结果表明:(1)中历时、中雨量、小雨强降雨(雨型Ⅲ)是研究区常见的降雨类型,短历时、小雨量、大雨强降雨(雨型Ⅰ)和长历时、大雨量、中雨强降雨(雨型Ⅱ)发生的频率相对较低,但雨型Ⅰ所导致的土壤侵蚀最为严重 ...
杜映妮 +4 more
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为探究引起三峡库区农业小流域土壤侵蚀的主要次降雨因子,通过天然降雨观测资料,分析忠县石盘丘小流域2019年侵蚀性降雨年内分布特征和典型次降雨条件下A和B 2个集水区产沙过程的变化规律,采用相关性分析方法,揭示次降雨产沙的主要影响因素。结果表明:(1)全年119场降雨资料中,有19场为侵蚀性降雨。全年侵蚀性中雨共发生10次,是侵蚀性降雨中最常见的降雨类型。暴雨及以上降雨是造成研究区产沙量最大的降雨类型。(2)在典型中雨、大雨和暴雨产沙事件中,B集水区产沙量分别是A集水区的5.13,1.66,7.56倍 ...
崔璨 +5 more
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