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Analysis of the Impact of Urbanization on Runoff Change in Jialu River
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Huai-bin WEI1a, Zhi-hang SUN1a, Jing LIU1b, 2
Water Resources and Power | 2023, 41(7) : 16 - 18
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Water Resources and Power | 2023, 41(7): 16-18
• HYDROLOGY，WATER RESOURCES AND ENVIRONMENT •
Analysis of the Impact of Urbanization on Runoff Change in Jialu River
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Huai-bin WEI1a, Zhi-hang SUN1a, Jing LIU1b, 2
Affiliations
  • 1a.School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
  • 1b.College of Water Resources, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
  • 2.Henan Key Laboratory of Water Resources Conservation and Intensive Utilization in the Yellow River Basin, Zhengzhou 450046, China
Published: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221679
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With the continuous development of the city, influenced by climate change and human activities, the runoff of urban water system has changed greatly. In order to further research the runoff trend and its main influencing factors brought by urbanization, the application of the comparison of slope change ratio in hydrological change analysis was further innovated, and the contribution rate of underlying surface to runoff change was separated from human activities. Taking Zhengzhou city as an example, combined with Mann-Kendall test method, the contribution rate of climate change factors, underlying surface factors and other human activities to runoff change was calculated. The results indicate that the measured runoff flow showed an upward trend from 1980 to 2019, and a sudden change occurred in 2008. In the impact analysis of runoff, the change of underlying surface and other human activities are the main influencing factors, and their contribution rates are 69.76% and 56.19%. According to the analysis of the main influencing factors, the main reasons are as follows: The hardening of the underlying surface increases runoff yield and flow concentration, and the population increases and the emissions increase.

urbanization  /  runoff  /  human activities  /  Mann-Kendall test  /  comparison of slope change ratio
Huai-bin WEI, Zhi-hang SUN, Jing LIU. Analysis of the Impact of Urbanization on Runoff Change in Jialu River[J]. Water Resources and Power, 2023 , 41 (7) : 16 -18 . DOI: 10.20040/j.cnki.1000-7709.2023.20221679
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doi: 10.20040/j.cnki.1000-7709.2023.20221679
  • Receive Date：2022-08-15
  • Online Date：2026-01-28
  • Published：2023-07-25
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History
  • Received：2022-08-15
  • Revised：2022-09-21
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Affiliations
    1a.School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
    1b.College of Water Resources, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
    2.Henan Key Laboratory of Water Resources Conservation and Intensive Utilization in the Yellow River Basin, Zhengzhou 450046, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20221679
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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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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