IJESD 2016 Vol.7(8): 601-604 ISSN: 2010-0264
doi: 10.18178/ijesd.2016.7.8.847
doi: 10.18178/ijesd.2016.7.8.847
Evaluation of the Ecological Flow Considering Hydrological Alterations in the Baihe River, Northern China
Guangling Hao, Xuan Wang, Peiyu Liang, and Guannan Cui
Abstract—The Mann-Kendall test was applied to analyzing
the shift points and defining the hydrologic series of the river
stream flow from 1963 to 2011. The Tennant method was
subsequently used to evaluate the ecological flow and the
monthly guaranteed frequency method was applied to
calculating the monthly ecological water requirements in two
different hydrologic series. The results were as follows. 1) The
years during 1963 - 1985 and the years during 1986 - 2011 were
distinguished as two hydrologic series. 2) The ecological flow
was generally in better condition in other season than that in
spawning season. During the spawning season, 87.0% of stream
flow was not at the appropriate level before 1985 and 72.4%
after 1986, which indicated a worse condition for the
reproduction and breeding of aquatic organisms. 3) The
monthly ecological water requirement varied and showed a
decreased trend, consistent with the stream flow regime. This
research helps to deepen understanding of the evaluation of the
ecological flow and to provide a basis for decision making and
reservoir regulations with hydrological alterations.
Index Terms—Hydrologic alterations, ecological flow, Mann-Kendall test, tennant method, monthly guaranteed frequency method.
Guangling Hao, Xuan Wang, and Guannan Cui are with the School of Environment, Beijing Normal University, Beijing 100875, China (e-mail: HGL370@163.com, wangx@bnu.edu.cn, dandancuicui@gmail.com).
Peiyu Liang was in Beijing Normal University. He is now with the Zhejiang Institute of Hydraulics and Estuary, Hangzhou 310020, China (e-mail: 758856495@qq.com).
Index Terms—Hydrologic alterations, ecological flow, Mann-Kendall test, tennant method, monthly guaranteed frequency method.
Guangling Hao, Xuan Wang, and Guannan Cui are with the School of Environment, Beijing Normal University, Beijing 100875, China (e-mail: HGL370@163.com, wangx@bnu.edu.cn, dandancuicui@gmail.com).
Peiyu Liang was in Beijing Normal University. He is now with the Zhejiang Institute of Hydraulics and Estuary, Hangzhou 310020, China (e-mail: 758856495@qq.com).
Cite: Guangling Hao, Xuan Wang, Peiyu Liang, and Guannan Cui, "Evaluation of the Ecological Flow Considering Hydrological Alterations in the Baihe River, Northern China," International Journal of Environmental Science and Development vol. 7, no. 8, pp. 601-604, 2016.
General Information
- ISSN: 2010-0264 (Print); 2972-3698 (Online)
- Abbreviated Title: Int. J. Environ. Sci. Dev.
- Frequency: Bimonthly
- DOI: 10.18178/IJESD
- Editor-in-Chief: Prof. Richard Haynes
- Managing Editor: Ms. Cherry L. Chen
- Indexing: Scopus (CiteScore 2022: 1.4), Google Scholar, CNKI, ProQuest, EBSCO, etc.
- E-mail: ijesd@ejournal.net
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