CHENG Yun,CHEN Zong-wei,ZHANG Hong-jiang,et al.Calculation of the Water Retention Curve in the Forestland Covered by Different Vegetation in Jinyun Mountain[J].Research of Soil and Water Conservation,2006,13(05):80-83.
重庆缙云山不同植被类型林地土壤水分特征曲线模拟
- Title:
- Calculation of the Water Retention Curve in the Forestland Covered by Different Vegetation in Jinyun Mountain
- Keywords:
- Jinyun mountain; forestland water; retention curve
- 分类号:
- S152.7
- 摘要:
- 土壤水分特征曲线是土壤水分运动研究必不可少的环节之一.为了快速简便而且准确地获取土壤水分特征曲线,作者以重庆缙云山种不同类型植被林地土壤为研究对象,利用土壤不同基质势下,土壤水分含量与土壤基本物理特性之间的相关性,从Brooks-Corey模型出发,推算不同植被类型林地的土壤水分含量及其相应的土水势,确定该地区的土壤水分特征曲线,并通过与实测值的对比得出模型可用的结论,为该地区土壤水分运动的深入研究提供参考.
- Abstract:
- The water retention curve is one of the essential links to study the soil water movement.In order to obtain quickly and exactly the water retention curve,the authors regard soil of forestland of four different kinds of vegetation in Jinyun mountain of Chongqing,China as the research object and use Brooks-Corey model to calculate the content of soil moisture of the forestland of different vegetation and corresponding the soil water potential and confirm the water retention curve of this area,utilizing the relation between the content of the soil moisture and basic physical characteristic of soil under the different soil matrix potential.At the same time,the available conclusion of models can be drawn through the comparison between calculated and measured data,offering a reference for further study of the soil moisture movement in this area.
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备注/Memo
收稿日期:2005-10-28。
作者简介:程云(1971- ),女,山西晋城人,讲师,在读博士研究生,主要从事土壤物理方面研究.