Wu Changwen,Wang Lixian.The Analysis on the Characteristics of Infiltration and its simulating into Forested Land[J].Research of Soil and Water Conservation,1995,2(01):71-75.
林地土壤的入渗及其模拟分析
- Title:
- The Analysis on the Characteristics of Infiltration and its simulating into Forested Land
- 摘要:
- 本研究对北京密云水库库区的8种主要林分的坡面土壤入渗指标采用双环入渗仪和针头式人工降雨器同时进行测试试验。对常见的四种入渗模型进行了研究和对比，得出了林分的入渗率均大于对照荒草坡。试验分析表明。双环入渗过程虽然与天然降雨入渗条件差别较大，但采用Horton入渗模型可方便地计算出林地土壤的有效贮水量，它与土壤孔隙法测试的结果是很接近的。而针头式人工模拟降雨人渗试验采用Smith-P模型能较好地描述在降雨条件下的入渗过程。
- Abstract:
- We researched. the properties of soil infiltration of 8 types of main forest stands in Miyun reservior area of Beijing by double-cycle infiltrator and syringe needle type of rainfall simulator. And the four types of infiltration model have been studied and compared with.The research indicates that the double-cycle infiltrator can determine the amount of effective flood storage conveniently by Horton’s model, and the Smith-p model can agreely simulate the infiltrating process under the condition of steady intensity of rainfall.The result indicates that the forested land can greatly increase the regulating capacity to the runoff Induced by rainfall.
参考文献/References:
1 王礼先等，森林水文研究及流域治理综述. 水土保持科技情报. 1990(2)
2 D. 希勒尔著. 土壤和水-物理过程. 华孟军译. 农业出版社. 1981
3 雷志栋等. 土壤水动力学. 清华大学出版社. 1988
4 康绍忠等. 土壤-植物-大气连续体水分传输理论及其应用. 西北农业大学学报，1992
5 吴长文. 一种可用于水土保持林地入渗试验的微型降雨器. 南昌水利学报. 1992(2)
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备注/Memo
收稿日期:1994-12-1