| 聂卫波,费良军,马孝义.根据水流运动过程推求土壤入渗参数和田面糙率的研究[J].干旱地区农业研究,2011,29(1):48~52 |
| 根据水流运动过程推求土壤入渗参数和田面糙率的研究 |
| Determination of infiltration parameters and manning roughness according to process of water flow in border irrigation |
| |
| DOI：10.7606/j.issn.1000-7601.2011.01.09 |
| 中文关键词: 水量平衡原理 水流运动过程 Kostiakov入渗公式 入渗参数 田面糙率 |
| 英文关键词:principle of water volume balance water flow process Kostiakov model infiltration parameter Manning roughness |
| 基金项目:国家自然科学基金项目（50579064）；西安理工大学博士科研启动金资助（106-210916）；陕西省重点学科建设资助项目 |
|
| 摘要点击次数: 161 |
| 全文下载次数: 159 |
| 中文摘要: |
| 以水量平衡原理为基础，提出了畦田尾部闭合条件下利用两组畦灌水流运动数据推求土壤平均入渗参数和田面糙率的方法，该方法在确定入渗参数和田面糙率过程中避免了采用难以准确确定的田面水深数据。利用大田畦灌试验对所提方法进行了检验，并将该方法所求土壤入渗参数和田面糙率值代入WinSRFR模型中模拟水流运动过程，其与田间实测过程相比，两者具有好的一致性，由此表明该方法能够简单有效地求得畦灌土壤平均入渗参数和田面糙率值。 |
| 英文摘要: |
| Based on the principle of water volume balance, a method was proposed to determine infiltration parameters and Manning roughness according to two groups of field irrigation data under blocked-end border irrigation. The validity of the proposed method is verified by experimental data, then the values of infiltration parameters and Manning roughness were introduced into the WinSRFR model. The process of water flow was simulated by WinSRFR model, and the simulated value had a good fit to the measured. The results show that infiltration parameters and Manning roughness can be effectively determined with the new method, which may lay a foundation for technical element design and operation evaluation of a border irrigation project. |
| 查看全文 查看/发表评论 下载PDF阅读器 |