| 应用运动平均斜率模型模拟农林复合系统土壤水分动态的研究 |
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| 引用本文： | 李春友,张劲松,孟平.应用运动平均斜率模型模拟农林复合系统土壤水分动态的研究[J].河北农业大学学报,2005,28(5):102-106. |
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| 作者姓名： | 李春友 张劲松 孟平 |
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| 作者单位： | 1. 河北农业大学,园林与旅游学院,河北,保定,071000
2. 中国林科院,林业所,北京,100091 |
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| 基金项目： | 国家科技攻关项目（2001BA510B0401）,河北省林业科学技术研究项目（0307242）. |
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| 摘 要： | 根据MOLDRUP等(1989)提出的运动平均斜率(MMS)模型,考虑源汇项,在入渗和蒸发交替的条件下,对半干旱平原农区农林复合系统中土壤水分运动进行数值模拟,结果表明:模拟值与实测值吻合效果较好,并体现了该模型的简洁、快速等优点。由此表明,MMS模型具有较强的适用性,可为农林复合系统土壤水分运移、耗水特征以及水分效应的定量研究提供准确合理的理论计算依据。
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| 关 键 词： | 运动平均斜率模型 农林复合系统 土壤水分动态 |
| 文章编号： | 1000-1573（2005）05-0102-05 |
| 收稿时间： | 2004-10-16 |
| 修稿时间： | 2004-10-16 |
Simulation of soil moisture regime in agroforestry with the moving mean slope model |
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| LI Chun-you,ZHANG Jin-song,MENG Ping.Simulation of soil moisture regime in agroforestry with the moving mean slope model[J].Journal of Agricultural University of Hebei,2005,28(5):102-106. |
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| Authors: | LI Chun-you ZHANG Jin-song MENG Ping |
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| Institution: | 1. College of Landscape Architecture and Tourism, Agricultural University of Hebei, Baoding 071000, China; 2. The Research Institute of Forestry, CAF, Beijing 100091, China |
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| Abstract: | Based on the moving mean slope(MMS) model developed by Moldrup for simulating water movement in unsaturated soils,the soil moisture variation with the root uptake term under the alternate infiltration and evaporation condition in agroforestry was computed.The results indicated that the model was a convenient and fast tool for easy and accurate modeling of one-dimensional flow of soil water in agroforestry,and also showed that MMS model possessed the wide scope of application,and could provide the accurate and reasonable value for quantitative study on the soil water movement,the feature of water consumption and water availability in agroforestry. |
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| Keywords: | moving mean slope model agroforestry soil water regime |
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