Effects of Gravel Covering on Hydraulic Characteristics of Slope Flow on Purple Soil

MA Chenlei; DAI Cuiting; LIU Yaojun; ZHOU Yiwen; WANG Tianwei; LI Zhaoxia; ZHAN Shun; HU Yuxiao

doi:10.13870/j.cnki.stbcxb.2019.06.021

您当前的位置：

首页 >

文章列表页 >

Effects of Gravel Covering on Hydraulic Characteristics of Slope Flow on Purple Soil

更新时间：2025-03-12

- Effects of Gravel Covering on Hydraulic Characteristics of Slope Flow on Purple Soil
- Vol. 33, Issue 6, Pages: 150-155(2019)
- 作者机构：
  
  1. 华中农业大学水土保持研究中心,武汉,430070
  2. 江西省水土保持科学研究院,南昌,330029
  3. 秭归县水土保持试验站, 湖北秭归,443600
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2019.06.021
  CLC：
- Published：2019
- 稿件说明：
移动端阅览
MA Chenlei, DAI Cuiting, LIU Yaojun, et al. Effects of Gravel Covering on Hydraulic Characteristics of Slope Flow on Purple Soil[J]. 2019, 33(6): 150-155.
DOI：

MA Chenlei, DAI Cuiting, LIU Yaojun, et al. Effects of Gravel Covering on Hydraulic Characteristics of Slope Flow on Purple Soil[J]. 2019, 33(6): 150-155. DOI： 10.13870/j.cnki.stbcxb.2019.06.021.

摘要

地表砾石覆盖可以促进降雨入渗，减少土壤侵蚀。然而，砾石覆盖对紫色土坡面流的影响尚缺乏深入研究。通过室内模拟冲刷试验，在3个冲刷流量（2，4，6 L/min）下，研究不同砾石覆盖度（0，10%，20%，30%和40%）对紫色土坡面流水动力学特性的影响。结果表明：（1）随着砾石覆盖度的增大，流速和弗劳德数呈减小趋势；径流深、水流剪切力、阻力系数和曼宁糙率系数呈增大趋势，雷诺数变化不明显。（2）坡面总侵蚀量随着砾石覆盖度的增加呈负指数减少，且砾石覆盖在冲刷流量较小的情况下，对坡面侵蚀量的减少效果越明显。（3）冲刷流量的大小并不影响砾石覆盖度和坡面总侵蚀量之间的关系。研究结果为探究紫色土坡面流侵蚀过程及机理研究提供一定的理论基础。

Abstract

Gravel covering on the surface of soils can increase water infiltration and protect the soil against erosion. However

the effects of gravel covering in purple soils was less well investigated. In this paper

the influence of gravel covering on hydraulic characteristics of slope flow on purple soils in southern China was studied under simulated scouring conditions. Different gravel covering ages from 0 to 40% under three flow rates (2 L/min

4 L/min

6 L/min) were set up. Results showed that:(1) Flow velocity and the Froude number decreased

but the runoff depth

flow shear stress

Darcy resistance coefficient and the Manning roughness coefficient increased with the increase of cover ages. (2) The total erosion of the slope decreased negatively with the increase of cover ages. Under the small flow rates

the reduction effect of gravel covering on erosion amount of slope flow was more obvious. (3) The flow rates did not affect the relationship between gravel coverage and total erosion on the slope.

关键词

Keywords

references

史立人.长江流域水土流失特征,防治对策及实施成效[J].人民长江,1998,29(1):41-43.

Wang X Y, Li Z X, Cai C F, et al. Effects of rock fragment cover on hydrological response and soil loss from Regosols in a semi-humid environment in South-West China[J].Geomorphology,2012,151/152:234-242.

Zavala L M, Jordan A, Bellinfante N, et al. Relationships between rock fragment cover and soil hydrological response in a Mediterranean environment[J].Soil Science and Plant Nutrition,2010,56(1):95-104.

Rieke-Zapp D, Poesen J, Nearing M A. Effects of rock fragments incorporated in the soil matrix on concentrated flow hydraulics and erosion[J].Earth Surface Processes and Landforms,2010,32(7):1063-1076.

Guo T L, Wang Q J, Li D Q, et al. Effect of surface stone cover on sediment and solute transport on the slope of fallow land in the semi-arid loess region of northwestern China[J].Journal of Soils and Sediments,2010,10(6):1200-1208.

Jomaa S, Barry D A, Heng B C P, et al. Influence of rock fragment coverage on soil erosion and hydrological response:Laboratory flume experiments and modeling[J].Water Resources Research,2012,48(5):213-223.

Nasri B, Fouché O, Torri D. Coupling published pedotransfer functions for the estimation of bulk density and saturated hydraulic conductivity in stony soils[J].Catena,2015,131:99-108.

王小燕,李朝霞,蔡崇法.砾石覆盖紫色土坡耕地水文过程[J].水科学进展,2012,23(1):38-45.

Tsakiris A G, Papanicolaou A N T, Hajimirzaie S M, et al. Influence of collective boulder array on the surrounding time-averaged and turbulent flow fields[J].Journal of Mountain Science,2014,11(6):1420-1428.

李燕,魏朝富,刘吉振,等.丘陵紫色土砾石的性质及其空间分布[J].西南农业学报,2008,21(5):1320-1325.

李燕,刘吉振,魏朝富,等.砾石对丘陵紫色砾质土持水性的影响[J].水土保持通报,2009,29(5):35-39.

戴翠婷,刘窑军,王天巍,等.三峡库区高砾石含量紫色土优先流形态特征[J].水土保持学报,2017,31(1):103-108.

李燕,刘吉振,魏朝富,等.砾石对土壤水分入渗(扩散)的影响研究[J].土壤学报,2011,48(2):435-439.

Guo T L, Wang Q J, Li D Q, et al. Flow hydraulic characteristic effect on sediment and solute transport on slope erosion[J].Catena,2013,107:145-153.

符素华,路炳军,叶芝菡.地表砾石对降雨径流及土壤侵蚀的影响[J].水土保持学报,2010,24(2):15-18.

Bunte K, Poesen J. Effects of rock fragment size and cover on overland flow hydraulics, local turbulence and sediment yield on an erodible soil surface[J].Earth Surface Processes and Landforms,2010,19(2):115-135.

张光辉.坡面薄层流水动力学特性的实验研究[J].水科学进展,2002,13(2):159-165.

王龙生,蔡强国,蔡崇法,等.黄土坡面细沟与细沟间水流水动力学特性研究[J].泥沙研究,2013(6):45-52.

敬向锋,吕宏兴,张宽地,等.不同糙率坡面水力学特征的试验研究[J].水土保持通报,2007,27(2):33-38.

Bunte K, Poesen J. Effects of rock fragment covers on erosion and transport of noncohesive sediment by shallow overland flow[J].Water Resources Research,1993,29(5):1415-1424.

Smets T, López-Vicente M, Poesen J. Impact of subsurface rock fragments on runoff and interrill soil loss from cultivated soils[J].Earth Surface Processes and Landforms,2011,36(14):1929-1937.

王葆,马俊明,程金花,等.华北土石山区砾石覆盖对土壤溅蚀的影响[J].中国水土保持科学,2015,13(5):93-98.

Fang N F, Shi Z H, Chen F X, et al. Discharge and suspended sediment patterns in a small mountainous watershed with widely distributed rock fragments[J].Journal of Hydrology,2015,528:238-248.

王小燕.紫色土碎石分布及其对坡面土壤侵蚀的影响[D].武汉:华中农业大学,2012.

梁洪儒,余新晓,樊登星,等.砾石覆盖对坡面产流产沙的影响[J].水土保持学报,2014,28(3):57-61.

Cerdà A. Effects of rock fragment cover on soil infiltration, interrill runoff and erosion[J].European Journal of Soil Science,2001,52(1):59-68.

Box J E. The effects of surface slaty fragments on soil erosion by water[J].Soil Science Society of America Journal,1981,45(1):111-116.

Views

1500

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Influence of Stem Diameter of Hedgerow-Grass Ditch System on Sediment Particle Size and Nitrogen and Phosphorus Transport in Purple Soil Areas under Simulated Rainfall

Small Watershed Erosion Model （SWEM）

Response of Soil Total Nitrogen Distribution to Erosion under Ecological Restoration in Qinling Water Source Area

Response of Slope Runoff Hydrodynamic Characteristics to Gravel Coverage in Alpine Regions under Artificial Rainfall Simulation

Impact of Hydraulic Conditions on Soil Detachment Capacity under Different Surface Roughness

Related Author

HE Yanzheng

LI Tianyang

LI Yonghao

HE Binghui

ZENG Bo

ZHANG Gaoning

FU Suhua

LIU Baoyuan

Related Institution

College of Resources and Environment， Southwest University

Key Laboratory of Ecological Environment in the Three Gorges Reservoir Area of Ministry of Education， School of Life Sciences， Southwest University

State Key Laboratory of Earth Surface Processes and Disaster Risk Reduction， Faculty of Geographical Science， Beijing Normal University

Faculty of Arts and Sciences， Beijing Normal University at Zhuhai

State Key Laboratory of Water Engineering Ecology and Environment in Arid Area， Xi'an University of Technology

⁰