| 近50 a渭河流域洪水成因分析及防治对策 |
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| 引用本文： | 张琼华,赵景波.近50 a渭河流域洪水成因分析及防治对策[J].中国沙漠,2006,26(1):117-121. |
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| 作者姓名： | 张琼华 赵景波 |
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| 作者单位： | 1. 陕西师范大学,旅游与环境学院,陕西,西安,710062
2. 陕西师范大学,旅游与环境学院,陕西,西安,710062;陕西师范大学,西北历史环境与经济社会发展研究中心,陕西西安,710062 |
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| 基金项目： | 教育部人文社会科学研究项目;中国科学院资助项目 |
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| 摘 要： | 通过对近50 a渭河流域洪水的年际变化、月际变化和潼关高程变化的综合分析得出，造成该流域洪水灾害的原因有降水量年内分配不均和年际变化大，滩面淤积加重，支流河口淤塞以及河势、流态的恶化等。针对这些原因，根据渭河流域洪水灾害的特点，提出了相应的防治措施，即降低下游高程，减少河道的淤积，增大河道泄洪能力；利用水库进行调水调沙，引进客水冲刷渭河下游；防洪工程要除险加固，提高防洪标准与抗洪能力；恢复林草植被，遏止水土流失，从源头上控制泥沙入河等。
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| 关 键 词： | 近50a 渭河洪水 变化成因 防治措施 |
| 文章编号： | 1000-694X（2006）01-0117-05 |
| 收稿时间： | 2004-11-12 |
| 修稿时间： | 2005-01-25 |
Causes of Floods in Past Fifty Years in Weihe River Basin and Their Control Measures |
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| ZHANG Qiong-hua,ZHAO Jing-bo.Causes of Floods in Past Fifty Years in Weihe River Basin and Their Control Measures[J].Journal of Desert Research,2006,26(1):117-121. |
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| Authors: | ZHANG Qiong-hua ZHAO Jing-bo |
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| Institution: | 1.College of Tourism and Environment, Shaanxi Normal University, Xian 710062, China; 2.Research Centre for Historical Environment and Socio-Economic Development in Northwest China, Shaanxi Normal University, Xian 710062, China |
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| Abstract: | The yearly and the monthly changes of floods happened in the last fifty years in Weihe river basin and the change of water level corresponding to 1 000 m~(3)\5s~(-1) discharge at Tongguan hydrologic station height have been synthetically analyzed,results show that the factors leading to flood disaster in this river basin include: uneven-distributed precipitation inner year and inter year,more severely siltation in river bed,silting-up of branch river mouth,and the worse of river terrain and water flowing regime,etc.This paper,according to the characteristics of flood disaster in Weihe river basin,puts forward relevant control measures such as lowering height of the lower reaches,decreasing siltation,improving the ability of river course releasing floodwater,applying reservoirs to control water and sand,diverting far-away water to wash the lower reaches of Weihe;consolidating flood-preventing engineering and eliminating danger,enhancing their flood-controlling standard and flood-resisting ability;reconstructing vegetation,preventing water and soil erosion,especially preventing mud and sand entering into river in headstream region. |
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| Keywords: | latest fifty years floods in Weihe river basin causes control measures |
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