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| Content Provider | Springer Nature Link |
|---|---|
| Author | Jin, Xin Yan, DengHua Wang, Hao Zhang, Cheng Tang, Yun Yang, GuiYu Wang, LingHe |
| Copyright Year | 2011 |
| Abstract | The operation of reservoir(s) has a certain impact on the downstream hydrologic regime, and even endangers the ecological water safety of river corridor and ecosystems which interact with river system. Therefore, ecological operation needs to be carried out in order to ensure ecological water use of downstream zone. The key technological support is the estimation and integrated calculation of ecological water demand. The connotation of the integrated calculation on ecological water demand lies on that the ecological water demand of different ecosystems is integrated to meet the requirements of water allocation and operation on watershed scale in terms of hydrological cycle. Considering the practical requirement of ecological operation of reservoir(s), this study proposed an integrated calculation approach of ecological water demand according to the ecological water demand in various ecosystems as well as the hydraulic connection among them; it established an integrated calculation model of regional ecological water demand by means of the distributed hydrological model, and studied the integrated calculation in Yalong River basin which is the source area of the west route of South-North Water Transfer Project as an example. The results indicated that the integrated calculation model more effectively combined the ecological water demand and hydraulic connection of ecosystems in time and space, compared with the lumped water balance analysis, since the former conquered the defect of insufficient ecological water source and supplement on multiple spatial and temporal scales, and met the demand of ecological operation of reservoir(s). |
| Starting Page | 2638 |
| Ending Page | 2648 |
| Page Count | 11 |
| File Format | |
| ISSN | 16747321 |
| Journal | Science in China Series E: Technological Sciences |
| Volume Number | 54 |
| Issue Number | 10 |
| e-ISSN | 1862281X |
| Language | English |
| Publisher | SP Science China Press |
| Publisher Date | 2011-08-08 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | ecological operation of reservoir ecological water demand integrated calculation distributed hydrological model west route of South-North Water Transfer Project in Yalong River source area Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Engineering Materials Science |
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