90%盖度狗牙根草地对次降雨径流削减作用

朱永杰; 毕华兴; 常译方; 霍云梅; 王晓贤

doi:10.13332/j.1000-1522.20150085

90%盖度狗牙根草地对次降雨径流削减作用

doi: 10.13332/j.1000-1522.20150085

1.
1 北京林业大学水土保持学院;
2.
2 北京林业大学林业生态工程教育部工程研究中心

基金项目:

国家水体污染控制与治理重大专项(2013ZX07304--001)。

详细信息

作者简介:
朱永杰。主要研究方向:林业生态工程。Email:455710351@qq.com 地址:100083北京市海淀区清华东路35号北京林业大学水土保持学院。责任作者: 毕华兴,教授,博士生导师。主要研究方向:水土保持与林业生态工程。Email: bhx@bjfu.edu.cn 地址:同上。

朱永杰。主要研究方向:林业生态工程。Email:455710351@qq.com 地址:100083北京市海淀区清华东路35号北京林业大学水土保持学院。责任作者: 毕华兴,教授,博士生导师。主要研究方向:水土保持与林业生态工程。Email: bhx@bjfu.edu.cn 地址:同上。

Effects of Cynodon dactylon grassland with 90% coverage on reducing single rainfall runoff.

1.
1 School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, P.R. China;
2.
2 Forestry Ecological Engineering Research Center of Ministry of Education, Beijing Forestry University, Beijing, 100083, P.R. China.

摘要: 利用人工模拟降雨试验研究了不同降雨强度和坡度条件下,90%盖度狗牙根草地(以裸地为对照)对次降雨地表径流产生过程的影响以及对径流总量的削减作用。结果表明:1)与裸地相比,狗牙根草地对初始产流时间延长效果明显,最小延长4′2″,最大延长29′8″;对裸地径流总量的削减率最高达59.04%,平均削减率为47.76%,削减效果显著;2)狗牙根草地相比裸地能够很好地延缓峰现时间。随着坡度和降雨强度的增加,狗牙根草地和裸地产流速率趋于稳定所需时间也在缩短,狗牙根草地和裸地的稳定产流速率也在不断增大; 3)随着坡度的增大,狗牙根草地和裸地稳定产流速率之间的差距逐渐缩小,狗牙根草地对总径流量的削减是呈减弱的趋势;4)拟合了径流削减率与降雨强度、坡度的方程,E=I－0.23(1－sin θ)0.58×e4.93×100%,双侧统计相关性显著。
- 人工模拟降雨 /
- 狗牙根草地 /
- 削减地表径流 /
- 降雨强度 /
- 坡度
Abstract: We studied the effects of Cynodon dactylon grassland with 90% coverage on the generation process of surface runoff on bare land at each rainfall event and the reduction of total runoff by means of simulated rainfall experiment. The results showed that C. dactylon grassland had a remarkable effect in extending the initial runoff time, with the minimum 4′2″, the maximum 29′8″, and the average of 11′42″. The grassland had a remarkable runoff reduction rate of 59.04% of the total runoff on the bare land, with an average of 47.76%. Grassland can well delay the peak runoff time compared with the bare land. Time for runoff generation rate tending to be stable on grassland and bare land was also shortened with the slope degree and rainfall intensity increasing, and the stable rate of runoff generation was also increased. The difference in stable rate of runoff generation between grassland and bare land was smaller as the slope degree increased, and the capacity of grassland to reduce total runoff tended to decline. Rainfall intensity and slope gradient were negatively correlated with reduction rate,following the equation of E=I－0.23(1－sin θ)0.58×e4.93×100%, with statistical significance on both sides.
- artificial simulated rainfall /
- Cynodon dactylon grassland /
- runoff reduction /
- rainfall intensity /
- slope degree

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[19]	齐实, 李瑞, 任琴, 武广涛, 周成理, 宋颖琦, 王尚德, 雷加富, 徐基良, 姚洪军, 徐向舟, 马尔妮, 何亚平, 王旭, 刘秀萍, 耿玉清, 王顺忠, 白新祥, 余雁, 王清奎, 惠刚盈, 史军义, 白翠霞, 胡可, 汪思龙, 赵广杰, 杨谦, 张克斌, 云琦, 周国逸, 康向阳, 费世民, 杨莉, 王飞, 俞国胜, 刘大庆, 崔国发, 费本华, 陈丽华, 石玉杰, 徐海, 胡永建, 秦跟基, 冯宗炜, 蒋俊明, 宋维峰, 张红武, 孙阁, 陈晓鸣, 李忠, 徐秉玖, 赵铁蕊, 戴思兰, 孙阁, 张恒明, 胡艳波, 张波, 王百田, 李代丽, 杨晓晖, 陈华君, 代力民, 王树森, 易传辉, 王戈, 董占地, 王亮生, 朱金兆, 张德强, 瞿礼嘉, 陈秀明, 高荣孚, 张慧, 陈峻崎, 石雷, 余英, 闫俊华, 王庆礼, 朱明东, 金幼菊, 乔锋, 武波, 肖玉保, 杨海龙, 赵辉, 唐森强, 陈晓阳, 李镇宇, 杨俊杰, 杨莉, SteveMcNulty. 室内人工模拟降雨试验研究 . 北京林业大学学报, 2006, 28(5): 52-58.
[20]	范丙友, 高峻, 李发东, 颜容, 吕建雄, 朱教君, 谭伟, 张宇清, 徐双民, 孙晓梅, 潘存德, 翟明普, 金小娟, 张冰玉, 李绍才, 杨振德, 王玉杰, 窦军霞, 肖生春, 胡晓丽, 李世东, 陈文汇, 时尽书, 南海龙, 谢益民, 肖洪浪, 朱清科, 三乃, 冯仲科, 康宏樟, 宋献方, 孟平, 骆秀琴, 刘俊昌, 胡诗宇, 李建章, 刘红霞, 周春江, 孙海龙, 苏晓华, 韩海荣, 张守攻, 师瑞峰, 张一平, 王云琦, 田小青, 吴斌, 李智辉, 杨志荣, 蔡怀, 赵双菊, 周文瑞, 张雁, 齐实, 蒋佳荔, 岳良松, 齐实, 赵博光, 姜伟, 马钦彦, 刘昌明, 王笑山, 陆海, 李义良, 蒲俊文, 朱金兆, 齐力旺, 张岩, 葛颂, 宋清海, 张永安, 张劲松, 赵有科, 蒋湘宁, 张德荣, 于静洁, 何磊, 姚山, 伊力塔, 吴庆利, 杨聪, 石丽萍, 曲良建, 崔保山, 康峰峰, 褚建民, 马超德, 吕守芳, 刘元, 王玉珠, 王建华, 刘相超, 朱林峰, 刘鑫宇, 田颖川, 胡堃, 唐常源. 华北典型山区坡地径流的退水过程研究 . 北京林业大学学报, 2006, 28(2): 79-84.

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90%盖度狗牙根草地对次降雨径流削减作用

doi: 10.13332/j.1000-1522.20150085

Effects of Cynodon dactylon grassland with 90% coverage on reducing single rainfall runoff.

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90%盖度狗牙根草地对次降雨径流削减作用

doi: 10.13332/j.1000-1522.20150085

1. 1 北京林业大学水土保持学院;

2. 2 北京林业大学林业生态工程教育部工程研究中心

English Abstract

Effects of Cynodon dactylon grassland with 90% coverage on reducing single rainfall runoff.

1. 1 School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, P.R. China;

2. 2 Forestry Ecological Engineering Research Center of Ministry of Education, Beijing Forestry University, Beijing, 100083, P.R. China.

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90%盖度狗牙根草地对次降雨径流削减作用

doi: 10.13332/j.1000-1522.20150085

Effects of Cynodon dactylon grassland with 90% coverage on reducing single rainfall runoff.

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出版历程

90%盖度狗牙根草地对次降雨径流削减作用

doi: 10.13332/j.1000-1522.20150085

1. 1 北京林业大学水土保持学院; 2. 2 北京林业大学林业生态工程教育部工程研究中心

English Abstract

Effects of Cynodon dactylon grassland with 90% coverage on reducing single rainfall runoff.

1. 1 School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, P.R. China; 2. 2 Forestry Ecological Engineering Research Center of Ministry of Education, Beijing Forestry University, Beijing, 100083, P.R. China.

全文HTML

目录

1. 1 北京林业大学水土保持学院;

2. 2 北京林业大学林业生态工程教育部工程研究中心

1. 1 School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, P.R. China;

2. 2 Forestry Ecological Engineering Research Center of Ministry of Education, Beijing Forestry University, Beijing, 100083, P.R. China.