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Analysis of Temporal and Spatial Variation of Hydrological Characteristics in Yellow River Basin Under Inconsistent Conditions
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Sheng-hua ZHAO1, Zi-dong YANG2, Wen-fei HE3
Water Resources and Power | 2023, 41(4) : 31 - 34
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Water Resources and Power | 2023, 41(4): 31-34
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Analysis of Temporal and Spatial Variation of Hydrological Characteristics in Yellow River Basin Under Inconsistent Conditions
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Sheng-hua ZHAO1, Zi-dong YANG2, Wen-fei HE3
Affiliations
  • 1.Jinchang Water Investment Co., Ltd, Jinchang 737100, China
  • 2.Minle County Water Affairs Bureau, Zhangye 734500, China
  • 3.Department of Hydro-Sciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210046, China
Published: 2023-04-25 doi: 10.20040/j.cnki.1000-7709.2023.20221813
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It is of great practical significance for flood control and drought relief in the basin to accurately identify the variation characteristics of the extreme value of "hydrological consistency" caused by changing environment. Therefore, this paper took the Yellow River basin with significantly reduced runoff as an example. Firstly, The Mann-Kendall test method and univariate linear regression method were used to accurately identify the abrupt and trend characteristics of runoff at important hydrological stations in the main stream of the Yellow River. Secondly, 13 hydrological characteristic indexes were used to reveal the temporal and spatial variation law of hydrological characteristics of the basin under the condition of inconsistency. The results show that the annual runoff of Tangnaihai, Toudaoguai, Huayuankou and Lijin stations decreases year by year at the rate of 27.46, 105.75, 172.20 and 141.37 m3/(s·10a) respectively, and the abrupt change years are 1989, 1992, 1992 and 1984 respectively. Before and after runoff variation, 13 hydrological characteristic values vary in time and space scale, and the change degree in the middle reaches is large, and the source area is small. The research results provide important theoretical support for determining the development and utilization mode of water resources in the basin.

inconsistency  /  runoff variation  /  hydrological behavior  /  Yellow River Basin
Sheng-hua ZHAO, Zi-dong YANG, Wen-fei HE. Analysis of Temporal and Spatial Variation of Hydrological Characteristics in Yellow River Basin Under Inconsistent Conditions[J]. Water Resources and Power, 2023 , 41 (4) : 31 -34 . DOI: 10.20040/j.cnki.1000-7709.2023.20221813
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221813
  • Receive Date：2022-09-01
  • Online Date：2026-01-27
  • Published：2023-04-25
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History
  • Received：2022-09-01
  • Revised：2022-10-19
Affiliations
    1.Jinchang Water Investment Co., Ltd, Jinchang 737100, China
    2.Minle County Water Affairs Bureau, Zhangye 734500, China
    3.Department of Hydro-Sciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210046, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20221813
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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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