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Changes of High Water Level in the Flood Season in the Ganjiang River Trail Channel in the Past 30 Years
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Li-jun YOU1, Yun HONG1, Yi-han QU2, Li-mo TANG2
Water Resources and Power | 2023, 41(7) : 102 - 105
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Water Resources and Power | 2023, 41(7): 102-105
• HYDROLOGICAL FORECAST AND OPTIMAL SCHEDULING •
Changes of High Water Level in the Flood Season in the Ganjiang River Trail Channel in the Past 30 Years
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Li-jun YOU1, Yun HONG1, Yi-han QU2, Li-mo TANG2
Affiliations
  • 1.Nanchang Water Investment Project Management Group Co., Ltd., Nanchang 330008, China
  • 2.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
Published: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221433
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Ganjiang river trail channel is affected by both upstream water and the backwater effect of Poyang Lake during the flood season. The study of the water level changes has guiding significance for river flood control and shipping. Based on the measured data from 1990 to 2019 at the hydrological station in the Ganjiang river trail channel, this paper adopted the Mann-Kendall trend test and the Pettitt test to analyze the trend of the characteristic water level during the flood season (flood season and backwater of Poyang Lake season). The results show that the water level of the Ganjiang river trail channel had a significant downward trend. The interannual variation of the water level during the flood season was relatively uniform, while it showed a fluctuating shape during the backwater of Poyang Lake season. The mutation years were all around 2002. The main reason for the decline of the water level during the flood period is the erosion of the riverbed. The downward trend of the riverbed has slowed down significantly after 2013, so water level during the flood period stabilized after 2016. The water level during the backwater of Poyang Lake season is mainly affected by the erosion of the riverbed, and the change of the downstream water level will also have a certain impact.

Ganjiang river trail channel  /  high-water level  /  flood  /  backwater of Poyang Lake  /  Mann-Kendall trend test
Li-jun YOU, Yun HONG, Yi-han QU, Li-mo TANG. Changes of High Water Level in the Flood Season in the Ganjiang River Trail Channel in the Past 30 Years[J]. Water Resources and Power, 2023 , 41 (7) : 102 -105 . DOI: 10.20040/j.cnki.1000-7709.2023.20221433
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221433
  • Receive Date：2022-07-13
  • Online Date：2026-01-28
  • Published：2023-07-25
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History
  • Received：2022-07-13
  • Revised：2022-09-26
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Affiliations
    1.Nanchang Water Investment Project Management Group Co., Ltd., Nanchang 330008, China
    2.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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