[1]韩冰,吴钦孝,刘向东,等.油松林枯落物层防止溅蚀的研究[J].水土保持研究,1994,1(03):14-18.
　Han Bing,Wu Qinxiao,Liu Xiangdong,et al.Study on prevention of Splash erosion by litter in chinese pine woodland[J].Research of Soil and Water Conservation,1994,1(03):14-18.
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油松林枯落物层防止溅蚀的研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 1 期数: 1994年03期 页码: 14-18 栏目: 出版日期: 1900-01-01
Title:
Study on prevention of Splash erosion by litter in chinese pine woodland
作者:
韩冰, 吴钦孝, 刘向东, 江有科, 赵鸿雁
中国科学院水利部、西北水土保持研究所 陕西杨陵 712100
Author(s):
Han Bing, Wu Qinxiao, Liu Xiangdong, Wang Youke, Zhao Hongyan
Northwestern Institute of Soil and Water Conservation, Academia of Sinica and Ministry of Water Resources, Yvangling, Shaanxi, 712100
关键词:
枯落物层; 溅蚀; 土壤保持
Keywords:
Litter layer; Splash erosion; Soil conservation
摘要:
28年生油松人工林内天然降雨的溅蚀试验结果表明，当I30为0.07mm/min或P0为3.57mm时，无枯落物层覆盖的林地发生溅蚀，当I30为0.25mm/min或Po为45.8mm时，具1cm枯落物层的林地不发生溅蚀。从溅蚀月动态看出，7、8月份占全年溅蚀量的70%以上。在同一土壤和同一坡度条件下，I30、P0、H1是溅蚀发生的主要因素，且溅蚀量与其呈二次多项式回归关系。但当枯落物层具有一定厚度时溅蚀与其它因素无关。具有1cm厚的枯落物层即可防止土壤溅蚀量的79.7%.
Abstract:
The results of the experiment in prevention of splash erosion under the condition of natural rainfall in the woodland of 28-year-old chinese pine have shown that when I30=0.07 mm·min-1 or P0=3.57mm the splash erosion in the woodland with out litter occured;and when I30=0.25mm·min-1 or P0=45.8mm itdid not occured in the woodland with litter of 1cm.Splash erosion monthly dynamic indicated that the splash erosion in July and August amounts to more than 70% of the total splash erosion.Under the conditions of same soil and slope,I30、P0 and H1 are the major factors affecting the splash erosion,and there is a multinomial regression equation among splash erosion and I30, P0,H1e.But when the litter layer reached a certain thickness,splash erosion has nothing to do with the other factors.When the litter layer accumulatedto a depth of 1cm,it can prevent soil splash erosion of 79.7%.

参考文献/References:

[1] 蔡国强, 陈浩.降雨特性对溅蚀影响的初步试验研究.中国水土保持, 1986, (6):20-33
[2] 江忠善, 刘志.降雨因素和坡度对溅蚀影响的研究.水土保持学报, 1989, 3(2):29-35
[3] 陈浩.坡度对溅飞影响的初步试验研究.人民黄河, 1986, 21-24
[4] 吴长文, 王礼先.水土保持林中枯落物的作用.中国水土保持, 1993, (4):28-30
[5] 吴钦孝主编.森林水文生态与水土保持林效益专集.陕西科学技术出版社, 1991. 12

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备注/Memo

收稿日期:1994-8-30;改回日期:。

更新日期/Last Update: 1900-01-01