基于数值分析的广域节水灌溉工程对水土保持的影响研究

来源 :黑龙江水利科技 | 被引量 : 0次 | 上传用户：okyy1234

【摘要】

：

规模性节水灌溉工程是影响降低我国农业水资源损耗、提高水资源利用率的重要水利工程,同时对区域水土保持工作尤其是地下水位也带来重要的影响。文章将根据新疆某片区大规模、广域型节水工程灌溉项目实例,基于数值分析预测模型,展开了节水灌溉工程对区域地下水位变化规律影响的研究,为区域水土保持工作提供指导。研究发现:①相对于土渠,混凝土节水衬砌渠道具有良好的防渗漏性能,相等水位水力作用下,30d内混凝土渠水的渗透距离仅达到土渠的7.84%,能够起到降低水资源耗费的结果;②数值分析预测模型应用模拟得出水流渗透深度呈指数型增

【作者】

：

吴海燕

【机构】

：

水利部新疆维吾尔自治区水利水电勘测设计研究院

【出处】

：

黑龙江水利科技

【发表日期】

：

2021年10期

【关键词】

：

节水灌溉工程地下水位数值分析预测模型渗透

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基于数值分析的广域节水灌溉工程对水土保持的影响研究

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