Liu Xiangdong,Wu Qinxiao,Wang Youke,et al.Study on Interception and Evaporation of Litter in Chinese Pine Forest[J].Research of Soil and Water Conservation,1994,1(03):19-23,30.
油松林枯枝落叶层截留与蒸发的研究
- Title:
- Study on Interception and Evaporation of Litter in Chinese Pine Forest
- Keywords:
- chinese pine forest; litter layer; interception; evaporation
- 摘要:
- 黄土丘陵区油松林枯枝落叶层截留降雨量占同期大气降雨量的10.0%.截留过程与蒸发过程均为一有限变化过程，它们相互影响，当某时段截留量与蒸发量相当，枯枝落叶层的含水量维持动态平衡。枯枝落叶层一次最大截留量3.14mm，大于3mm的截留次数仅占降雨次数的3.4%.因截留而减少的降水量对林地水文的直接影响较小。
- Abstract:
- The interception amount of litter layer in chinese pine forest in loess hilly region makes up 10% of the atmospheric rainfall in the same time.Both interception process and evaporation proess are limited process in change and affected each other.When interception is equal to the evaporation in amount in a certain period of time, the water content of the litter is in dynamic equilibrium.The maximum interception amount in litter is 3.14mm,and the number of more than 3.0mm interception times only amounts to 3.4% of all rainfall times. The decreasedprecipitation due to litter interception is of alittle effect on hydrological properties in woodland.
参考文献/References:
[1] R.李, 张建列译.森林水文学.东北林学院出版, 1984年
[2] 刘向东等.六盘山林区森林树冠截留枯枝落叶层和土壤水文性质的研究.林业科学, 1989, 25卷(3)
[3] 中野秀章, 李云森译.森林水文学.中国林业出版社, 1983年
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备注/Memo
收稿日期:1994-8-30;改回日期:。