| Issue |
E3S Web Conf.
Volume 233, 2021
2020 2nd International Academic Exchange Conference on Science and Technology Innovation (IAECST 2020)
|
|
|---|---|---|
| Article Number | 03033 | |
| Number of page(s) | 6 | |
| Section | HCCE2020-Hydraulic, Civil and Construction Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202123303033 | |
| Published online | 27 January 2021 | |
Study on Calculation Method of Target Ecological Water Amount in Shortage Areas of Mintuo River Basin
Changjiang Institute of Survey, Planning, Design and Research, Wuhan , Hubei , China
* Corresponding author: adummytb@163.com
Ecological water replenishment is the part of ecological flow deducting the remaining local existing water that needs to be recharged by other water sources. It has become the basic basis for water resources development and utilization and water affairs coordination. Ecological flow is a complex concept with numerous calculation methods and obvious regional differences. In view of the characteristics of the Mintuo River Basin, especially the problem that the extensive economic development exceeds the environmental carrying capacity of the river, considering the lack of natural rainfall, this paper recommends a one-dimensional water quality simulation method that maintains environmental capacity. Taking Jingyan County as a representative, a case study was carried out. The river was divided into several sections according to the water function zoning, and the water quality of each section was simulated to determine the section and the total river water replenishment, and through compared with the traditional calculation method of water conservancy planning, the rationality and benefit of the period are analyzed.
© The Authors, published by EDP Sciences 2021
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