Impacts of the Reservoir on the Navigation Conditions of the Downstream Channel: Taking the Three Gorges Reservoir in the Middle Reaches of the Yangtze River as an Example
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| 1. | Title | Title of document | Impacts of the Reservoir on the Navigation Conditions of the Downstream Channel: Taking the Three Gorges Reservoir in the Middle Reaches of the Yangtze River as an Example |
| 2. | Creator | Author's name, affiliation, country | Xingying YOU; State Key Laboratory of Water Resource and Hydropower Engineering Science, Wuhan University, China |
| 2. | Creator | Author's name, affiliation, country | Jinwu TANG; Changjiang Institute of Survey Planning Design and Research, Wuhan, China |
| 2. | Creator | Author's name, affiliation, country | Jing Xu; Hubei Institute of Survey &Design for Water Resources &Water Power Engineering, Wuhan, China |
| 2. | Creator | Author's name, affiliation, country | Meng Chen; Hubei Institute of Survey &Design for Water Resources &Water Power Engineering, Wuhan, China |
| 3. | Subject | Discipline(s) | |
| 3. | Subject | Keyword(s) | Navigation Condition; Three Gorges Reservoir; the Middle and Lower reaches of Yangtze River; Channel evolution |
| 4. | Description | Abstract |
The flow and sediment condition in the middle and lower reaches of Yangtze River (MLYR) was changed a lot after the impoundment of Three Gorges Reservoir (TGR), and further, the evolution process of the sandbars and shoals were affected, both of which have obvious influence on the navigation in the MLYR. Based on the field data, the analysis shows that the changes of flow and sediment favored the waterway condition, which includes the elevation of the lowest water level, the extension of the scour time of shoals, the increase of the erosion speed of shoals caused by the reductive sediment. After the operation of TGR, the frequency of the bank collapse and the sandbar cutting is increasing, and the shoal tends to shrink. However, not all the deformation of sandbars and shoals will obstruct the waterway, only the Critical Width of Returning to Channel (CWRC) is more than the critical river width, the channel will not be unimpeded. The CWRC is about 900–1900m, varying with the navigation base surface and the channel dimension. |
| 5. | Publisher | Organizing agency, location | |
| 6. | Contributor | Sponsor(s) | |
| 7. | Date | (YYYY-MM-DD) | 2016-10-15 |
| 8. | Type | Status & genre | Peer-reviewed Article |
| 8. | Type | Type | |
| 9. | Format | File format | |
| 10. | Identifier | Uniform Resource Identifier | http://scientific.cloud-journals.com/index.php/IJAESE/article/view/Sci-505 |
| 11. | Source | Journal/conference title; vol., no. (year) | International Journal of Advanced Earth Science and Engineering; Volume 5 (Year 2016) |
| 12. | Language | English=en | en |
| 14. | Coverage | Geo-spatial location, chronological period, research sample (gender, age, etc.) | |
| 15. | Rights | Copyright and permissions |
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