Results 1 to 10 of about 3,572 (142)
A Method Study on Determination of Sediment Content in Water Samples Based on Self-made Differential Pressure Device [PDF]
, 2022 [Objective] The method for quickly and accurately measuring sediment concentrations in water samples in the field based on differential pressure was studied.
Chen Lin +5 more
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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]
, 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
Variation Characteristics of Sediment Transport for a Vertical Gauze Sand Barrier During Different Sampling Seasons [PDF]
, 2022 [Objective] The variation characteristics of sediment transport for different specifications of gauze sand barriers in spring, summer and autumn were obserred continuously in order to provide a scientific basis for further evaluation of the sand-fixing ...
Gao Haiyan +4 more
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Effects of Different Micro Rainwater Harvesting Measures on Safflower Growth [PDF]
, 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
Utilization Potential of Water Resources in Check Dams in Gansu Province [PDF]
, 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
Application analysis of water source heat pump technology for low-temperature grain storage [PDF]
, 2020 The principle of water source heat pump technology for low-temperature grain storage and the factors affecting its applicability were analyzed in this paper.And the installation and use of water source heat pump technology for low-temperature grain ...
LI Chen +3 more
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Shuitu Baochi Xuebao, 2023 径流含沙量的大小体现水沙关系的消长和演变,可以作为评价植被影响下径流和产沙的交互演变过程特征的重要指标。通过人工降雨试验,研究不同草被覆盖度变化在不同雨强和不同坡度条件下对黄土坡面径流含沙量的综合影响特征。结果表明:(1)草被盖度越大,坡面径流的初始产流时间越滞后。有草被覆盖坡面的径流含沙量随降雨历时变化为降雨前15 min有波动,但总体上呈降低趋势,之后达到稳定,且有草被覆盖坡面的径流含沙量显著低于裸地。(2)径流平均含沙量均随雨强和坡度的增大而增大,平均含沙量对雨强和坡度的响应均可用幂函数方程描述 ...
崔钦凯, 刘俊娥, 陈浩, 周正朝
doaj
Shuitu Baochi Xuebao, 2023 为探究不同前期土壤含水量条件下坡面产流产沙特征及产流产沙关系,以安塞黄绵土为研究对象,通过设置6个前期土壤含水量处理(5%,10%,15%,20%,25%,30%),采用室内人工模拟降雨试验来系统研究前期土壤含水量对坡面产流产沙过程的影响。每个含水量处理设置2个重复,坡面坡度为15°,设计雨强为90 mm/h,降雨历时为1 h。结果表明:(1)随着前期土壤含水量的升高,坡面初始产流时间幂函数减小,产流量线性增大。(2)坡面土壤流失量随前期土壤含水量增大呈幂函数增加,高含水量组(29.3 ...
淡彩虹 +5 more
doaj
Slope Rill Erosion and Morphological Evolution Based on UAV Nap-of-the-object Photogrammetry [PDF]
, 2023 [Objective] This study was conducted to determine a rill erosion technology having high efficiency, high accuracy and strong adaptability, and overcome deficiencies associated with traditional measurement methods (low efficiency, high cost, poor ...
Gao Zhaoliang +7 more
core +1 more source
Shuitu Baochi Xuebao, 2022 为明确喀斯特槽谷区岩石与坡面夹角对坡面产流产沙过程的影响,在6个岩石与坡面夹角(30°,60°,90°,120°,150°,180°)、3个坡度(10°,15°,20°)和3个流量(5,7.5,10 L/min)组合条件下,开展室内放水冲刷试验。结果表明:(1)地表产流率随冲刷历时呈先增加后稳定的趋势,而含沙量和地表产沙率随冲刷历时均呈波动性减小趋势;(2)各岩石与坡面夹角下,地表产流率无显著差异(P＞0.05);但含沙量与地表产沙率均差异显著(P＜0.05),表现为含沙量和地表产沙率在60 ...
宋兰 +4 more
doaj +2 more sources