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灌溉田块中污染物流失规律的数值模拟及其验证 被引量：1

Numerical simulation and experimental verification of contamination loss due to surface runoff and subsurface water movement in irrigated field
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摘要 本文将土壤中水流运动和溶质迁移结合,考虑降雨、扩散和对流作用对溶质地表径流损失的影响,对溶质的地表损失规律进行研究,建立了新的水流和溶质迁移模型。通过室内土壤实验对该模型进行了验证,实验数据和模拟结果吻合良好。此模型可用来分析灌溉田块中溶质地表及地下流失,为农业面源污染分析提供参考。 Based on solute transport and water flow model the solute losses due to surface runoff flow and subsurface water movement were studied and a model considering the effects of rainfall,diffusion and convection on solute loss is established.The validity of the model is verified by experiments in two types of soil.It verifies that the solute loss due to surface runoff and subsurface water movement in the scale of irrigated district can be simulated by the proposed model which may provide reference for managemen...
作者 暴入超 杨金忠 童菊秀
机构地区 武汉大学水资源与水电工程科学国家重点实验室
出处 《水利学报》 EI CSCD 北大核心 2009年第2期231-237,243,共8页 Journal of Hydraulic Engineering
基金 国家自然科学基金重点项目(50639040) 国家高技术研究发展计划课题(2006AA100205 2006AA100207)
关键词 溶质迁移模型 降雨影响 地表径流 溶质地表及地下流失 solute transport rainfall effect surface runoff solute loss subsurface water movement
分类号 X52 [环境科学与工程—环境工程]
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共引文献1

同被引文献24

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水利学报
2009年 第2期

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