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Calculation of the Instream Ecological Flow of the Wei River Based on Hydrological Variation
Joint Authors
Huang, Shengzhi
Chen, Yutong
Huang, Qiang
Chang, Jianxia
Wang, Yimin
Source
Journal of Applied Mathematics
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-04-02
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
It is of great significance for the watershed management department to reasonably allocate water resources and ensure the sustainable development of river ecosystems.
The greatly important issue is to accurately calculate instream ecological flow.
In order to precisely compute instream ecological flow, flow variation is taken into account in this study.
Moreover, the heuristic segmentation algorithm that is suitable to detect the mutation points of flow series is employed to identify the change points.
Besides, based on the law of tolerance and ecological adaptation theory, the maximum instream ecological flow is calculated, which is the highest frequency of the monthly flow based on the GEV distribution and very suitable for healthy development of the river ecosystems.
Furthermore, in order to guarantee the sustainable development of river ecosystems under some bad circumstances, minimum instream ecological flow is calculated by a modified Tennant method which is improved by replacing the average flow with the highest frequency of flow.
Since the modified Tennant method is more suitable to reflect the law of flow, it has physical significance, and the calculation results are more reasonable.
American Psychological Association (APA)
Huang, Shengzhi& Chang, Jianxia& Huang, Qiang& Wang, Yimin& Chen, Yutong. 2014. Calculation of the Instream Ecological Flow of the Wei River Based on Hydrological Variation. Journal of Applied Mathematics،Vol. 2014, no. 2014, pp.1-9.
https://search.emarefa.net/detail/BIM-447755
Modern Language Association (MLA)
Huang, Shengzhi…[et al.]. Calculation of the Instream Ecological Flow of the Wei River Based on Hydrological Variation. Journal of Applied Mathematics No. 2014 (2014), pp.1-9.
https://search.emarefa.net/detail/BIM-447755
American Medical Association (AMA)
Huang, Shengzhi& Chang, Jianxia& Huang, Qiang& Wang, Yimin& Chen, Yutong. Calculation of the Instream Ecological Flow of the Wei River Based on Hydrological Variation. Journal of Applied Mathematics. 2014. Vol. 2014, no. 2014, pp.1-9.
https://search.emarefa.net/detail/BIM-447755
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-447755