Abstract
Based on the measured day-averaged water level and discharge data of the tail reach of Fuhe River, the changes of hydrological situation in recent 70 years was analysed in this paper. The results show that the relationship between the water level and discharge at the tail of Fuhe River has been greatly changed, and the water level at the same discharge was significantly reduced. These changed were not related to the runoff changes, but mainly affected by the changes of river bed and downstream boundary water level.
Highlights
Over the years, under the multiple effects of non-human and human factors, the hydrological situation of Poyang Lake region has been significantly changed [1,2,3]
Ganjiang River tail is especially concerned by many scholars for its important political and economic status [4,5]
It can be clearly seen from the figure that the water level of Lijiadu hydrological station under the same discharge is in a continuous decline process, and the decline range is
Summary
Under the multiple effects of non-human and human factors, the hydrological situation of Poyang Lake region has been significantly changed [1,2,3]. Fuhe River Basin, located in the southeast of Jiangxi Province, is one of the five major rivers in Poyang Lake system. It passes through Jiaoshi barrage and Qinglan lake and flows into Poyang Lake in Sanyang. The tail of Fuhe River has a similar economic and social status to that of Ganjiang Rive. It is an important habitat for migratory birds, zooplankton and aquatic plants. The relevant research results can provide technical support for the development, utilization and protection of Fuhe River
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