连续径流冲刷条件下工程堆积体土壤侵蚀特征

赵莼; 高照良; 李永红; 孙贯芳; 娄永才; 杨树云; 吴彤

doi:10.13961/j.cnki.stbctb.2022.06.008

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连续径流冲刷条件下工程堆积体土壤侵蚀特征

试验研究

- 连续径流冲刷条件下工程堆积体土壤侵蚀特征
- Soil Erosion Characteristics of Engineering Deposits Under Continuous Runoff Scouring
- 水土保持通报 2022年42卷第6期页码：61-67
- 作者机构：
  
  1. 西北农林科技大学水土保持研究所, 陕西杨凌,712100
  2. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
- 作者简介：
- 基金信息：
  
  十三五国家重点研发计划项目"高塬沟壑区固沟保塬生态防护与苹果产业提质增效技术及示范"(2016YFC0501706-02);国家自然科学基金项目(41671283)
- DOI：10.13961/j.cnki.stbctb.2022.06.008
  中图分类号： S157.1
- 纸质出版：2022
- 稿件说明：
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赵莼, 高照良, 李永红, 等. 连续径流冲刷条件下工程堆积体土壤侵蚀特征[J]. 水土保持通报, 2022,42(6):61-67.

Zhao Chun, Gao Zhaoliang, Li Yonghong, et al. Soil Erosion Characteristics of Engineering Deposits Under Continuous Runoff Scouring[J]. Bulletin of Soiland Water Conservation, 2022, 42(6): 61-67.
赵莼, 高照良, 李永红, 等. 连续径流冲刷条件下工程堆积体土壤侵蚀特征[J]. 水土保持通报, 2022,42(6):61-67. DOI： 10.13961/j.cnki.stbctb.2022.06.008.

Zhao Chun, Gao Zhaoliang, Li Yonghong, et al. Soil Erosion Characteristics of Engineering Deposits Under Continuous Runoff Scouring[J]. Bulletin of Soiland Water Conservation, 2022, 42(6): 61-67. DOI： 10.13961/j.cnki.stbctb.2022.06.008.

摘要

[目的] 探究连续径流冲刷条件下工程堆积体的坡面侵蚀响应，为进一步认识工程堆积体在连续冲刷过程中的侵蚀规律并为水土流失模型精准预测提供基础数据和科学参考。[方法] 设置3个放水梯度(8，12，16 L/min)，在3个坡度(28，32，36°)条件下，进行野外连续3场径流冲刷试验(每场间隔24 h)。[结果] ①各场次产流特征为：第3场＞第2场＞第1场，其中，第3场径流量增量大于第2场，对比第1场增速分别为40.5%和33.4%。②各场次产沙量为:第1场＞第2场＞第3场，产沙量占比分别为31.74%～53.46%，29.03%～43.71%，17.42%～29.04%。③在任意流量段，连续径流冲刷下平均流速与沟宽的变化无关，沿径流方向流速与沟深变化一致。[结论] 上方来水条件下工程堆积体坡面产流随冲刷场次的增加逐场增大，产沙随场次增加逐场减少。冲刷场次对平均产流率具有显著影响。

Abstract

[Objective] The slope erosion response of engineering deposits occurring under continuous runoff scouring was determined in order to further understand the laws governing erosion of engineering deposits during continuous scouring

and to provide basic data as a reference for accurate predictions by soil erosion models. [Methods] We set up three drainage gradients (8

16 L/min) on three slopes (28

36°) and carried out three consecutive envent runoff scouring tests (24 h between each envent). [Results] ① The runoff characteristics of each envent followed the order of envent 3 > envent 2 > envent 1

and the increase in runoff in envent 3 was greater than in envent 2. The growth rates in envent 1 were 40.5% and 33.4%

respectively. ② The sediment yield followed the order of envent 1 > envent 2 > envent 3

and the proportion of sand production was 31.74%~53.46%

29.03%~43.71%

and 17.42%~29.04%

respectively. ③ In any flow section

the average flow velocity under continuous runoff erosion had nothing to do with the change of the channel width

and the flow velocity along the runoff direction was consistent with the change of the channel depth. [Conclusion] As water flows from above

runoff on the slope surface of engineering deposits increases with increasing scouring time

and sediment yield decreases with increasing time and the scouring site has a significant impact on the average runoff rate.

关键词

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references

赵满,王文龙,郭明明,等.不同砾石含量塿土堆积体坡面侵蚀特征研究[J].土壤学报,2020,57(5):1166-1176.

牛耀彬,高照良,李永红,等.工程堆积体坡面细沟形态发育及其与产流产沙量的关系[J].Transactions of the Chinese Society of Agricultural Engineering, 2016,32(19):154-161.

戎玉博,骆汉,谢永生,等.雨强对工程堆积体侵蚀规律和细沟发育的影响[J].泥沙研究,2016(6):12-18.

Zhang Letao, Gao Zhaoliang,Yang Shiwei, et al. Dynamic processes of soil erosion by runoff on engineered landforms derived from expressway construction:A case study of typical steep spoil heap[J]. Catena, 2015,128:108-121.

Nearing M A, Polyakov V O, Nichols M H, et al. Slope-velocity equilibrium and evolution of surface roughness on a stony hillslope[J]. Hydrology and Earth System Sciences, 2017,21(6):3221-3229.

Lü Jiaorong, Xie Yongsheng, Luo Han. Erosion process and temporal variations in the soil surface roughness of spoil heaps under multi-day rainfall simulation[J]. Remote Sensing, 2020,12(14):2192.

Lou Yongcai, Gao Zhaoliang, Sun Guanfang, et al. Runoff scouring experimental study of rill erosion of spoil tips[J]. CATENA, 2022,214:106249.

陈杰,刘文兆,王文龙,等.长武黄土高塬沟壑区降水及侵蚀性降雨特征[J].中国水土保持科学,2009,7(1):27-31.

毛天旭,朱元骏,邵明安,等.模拟降雨条件下含砾石土壤的坡面产流和入渗特征[J].土壤通报,2011,42(5):1214-1218.

程琴娟,蔡强国,李家永.表土结皮发育过程及其侵蚀响应研究进展[J].地理科学进展,2005,24(4):114-122.

吕佼容,张文博,胡锦昇,等.连续降雨下不同砾石含量工程堆积体土壤侵蚀[J].水科学进展,2019,30(2):210-219.

和继军,宫辉力,李小娟,等.细沟形成对坡面产流产沙过程的影响[J].水科学进展,2014,25(1):90-97.

余魏競.坡面降雨入渗产流模拟模型及影响因素分析[D].湖北武汉:长江科学院,2020.

康宏亮,王文龙,薛智德,等.冲刷条件下黄土丘陵区浅沟侵蚀形态及产流产沙特征[J].农业工程学报,2016,32(20):161-170.

牛耀彬.黄土工程堆积体坡面细沟发育过程与侵蚀产沙[D].北京:中国科学院研究生院(教育部水土保持与生态环境研究中心),2016.

何育聪,郑浩杰,韩剑桥.间歇性与连续性降雨对黄土坡面细沟侵蚀影响的比较[J].水土保持学报,2020,34(6):8-13.

夏卫生,雷廷武,张晴雯,等.冲刷条件下坡面水流速度与产沙关系研究[J].土壤学报,2004,41(6):876-880.

田培,潘成忠,许新宜,等.坡面流速及侵蚀产沙空间变异性试验[J].水科学进展,2015,26(2):178-186.

速欢,王文龙,康宏亮,等.露天矿排土场平台-边坡系统侵蚀形态及径流产沙特征[J].应用生态学报,2020,31(9):3194-3206.

赵满,王文龙,郭明明,等.含砾石风沙土堆积体坡面径流产沙特征[J].土壤学报,2019,56(4):847-859.

史倩华,王文龙,郭明明,等.模拟降雨条件下含砾石红壤工程堆积体产流产沙过程[J].应用生态学报,2015,26(9):2673-2680.

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