The characteristics of dike-break flood in different scenarios of the lower Yellow River based on numerical simulations
文献类型：SCI/SSCI论文
| 作者 | Ma X. |
| 发表日期 | 2007 |
| 关键词 | lower Yellow River dike-break 2-dimensional unsteady flow model characteristics of the flood routing |
| 英文摘要 | The lower Yellow River still faces the threat of flood due to the unusual precipitation caused by global environmental change, river channel sedimentation, hidden danger in the dike and unfavorable river regime of "hanging river". According to the characteristics of the dike-break flood of the Yellow River, this paper has simulated, in six different scenarios, the dike-break flood routing by inputting the terrain data, typical historical flood data and land use data of study area to two-dimensional unsteady flow model. The results show that: firstly, the routing process of flood will occupy other rivers on the way and return to the rivers after reaching the lower reaches; secondly, in the same river reach, flood inundating area of north band is bigger than that at corresponding location of south bank under the same historical flood; thirdly, it is different in the degree of flood inundation in different regions due to different geographical locations in flood plain; fourthly, the area of mainstream where flood is deep and flow velocity is quick is relatively smaller, but the area of non-mainstream, where flood is shallow and flow velocity is slow, is relatively big; and finally, the possible influenced area of the dike-break flood is 141,948 km(2). |
| 出处 | Journal of Geographical Sciences |
| 卷 | 17 |
| 期 | 1 |
| 页 | 85-100 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 1009-637X |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/23293]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Ma X.. The characteristics of dike-break flood in different scenarios of the lower Yellow River based on numerical simulations. 2007. |
入库方式： OAI收割
来源：地理科学与资源研究所
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