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工程堆积体坡面产流产沙特性的现场试验

open access: yesShuitu Baochi Xuebao, 2016
通过不同流量(35,45,55 L/min)、不同坡度(24°,28°,32°)的野外放水冲刷试验,对工程堆积体坡面产流产沙的时空变化特性进行了研究。结果表明,径流强度与放水强度、产沙率密切相关,三者之间呈多元线性相关;坡面径流强度随冲刷时间呈波动式增大趋势;平均含沙量和产沙比均随坡度增大呈先增后减的趋势,峰值出现在坡度为28°时;径流强度和产沙率在冲刷时间为10 min出现第一个峰值;坡面产沙过程呈现产沙率剧增、波动和稳定发展3个阶段;累计产沙量与累计径流量呈线性关系 ...
张, 杜
doaj   +1 more source

Characteristics of Erosive Rainfall and Its Effects on Runoff and Sediment Yield in a Low Mountain and Hilly Area of Lianyungang City [PDF]

open access: yes, 2022
[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
core   +1 more source

Effects of Breccias and Round Gravels on Steep Cut Slope Runoff and Sediment Yield Under Simulated Rainfall [PDF]

open access: yes, 2023
[Objective] The effects of breccias and round gravels on steep cut slope infiltration, runoff, sediment yield, and hydrodynamic characteristics were analyzed in order to provide a theoretical basis for a soil erosion prediction model and soil ...
Cao Longxi   +5 more
core   +1 more source

Erosion Characteristics and Its Simulation of Erosion Amount for an Artificial Forest in an Exposed Feldspathic Sandstone Area [PDF]

open access: yes, 2022
[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
core   +1 more source

Effects of Different Plant Configuration Patterns on Flow and Sediment Reduction of Artificial Slope [PDF]

open access: yes, 2022
[Objective] The impacts of different plant patterns and configuration proportions on soil and water loss of an artificial slope were analyzed in order to provide reference for artificial slope vegetation restoration.
Gong Changchun   +6 more
core   +1 more source

Erosive Rainfall Thresholds for Five Typical Soils in Water Erosion Region of China [PDF]

open access: yes, 2022
[Objective] The practical thresholds separating erosive from non-erosive rainfall events were determined to effectively reduce the workload of soil erosion prediction, and to provide references for regional soil erosion prevention.
Liu Baoyuan   +3 more
core   +1 more source

Effects of Different Micro Rainwater Harvesting Measures on Safflower Growth [PDF]

open access: yes, 2023
[Objective] The cultivation of safflower with micro rainwater harvesting technology on the hillslopes of the temperate desert grassland in Yili Valley was evaluated in order to provide technical support for dryland cultivation of safflower and for ...
Hu Guiqing   +3 more
core   +1 more source

Soil Erosion and Its Spatial Distribution Characteristics in Three-River-Source National Park [PDF]

open access: yes, 2023
[Objective] The Three-River-Source National Park (TRSNP) is considered to be the “water tower of China”, and is an important ecological security barrier in China.
Huang Tingting   +5 more
core   +1 more source

Soil and Water Conservation and Ecological Benefits of Forest Ecosystem in New Urban Karst Areas of Central Guizhou Province [PDF]

open access: yes, 2022
[Objective] Soil and water conservation and ecological benefits of forest ecosystem in the new urban karst areas of Guanshanhu District, Guiyang City in Central Guizhou Province were studied to scientifically evaluate the achievements of ecological ...
Dai Zhengjiao   +6 more
core   +1 more source

Utilization Potential of Water Resources in Check Dams in Gansu Province [PDF]

open access: yes, 2022
[Objective] The potential of check dams to retain silt and utilize water resources were analyzed in order to provide a basis for water resource utilization and management of check dams.
Jin Feng   +5 more
core   +1 more source

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