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Influence of Climate Abrupt Change on Extreme Distribution of Staged Rainfall in Jiangxi Province Based on Genetic Algorithm
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Li TANGa, b, Hai-ming LIUb, Xi WEIc, Zhong-yue YANb, Bing-bing YANGb
Water Resources and Power | 2023, 41(6) : 1 - 4
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Water Resources and Power | 2023, 41(6): 1-4
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Influence of Climate Abrupt Change on Extreme Distribution of Staged Rainfall in Jiangxi Province Based on Genetic Algorithm
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Li TANGa, b, Hai-ming LIUb, Xi WEIc, Zhong-yue YANb, Bing-bing YANGb
Affiliations
  • a.Jiangxi Provincial Soft Science Research Base of Water Security and Sustainable Development, Nanchang Institute of Technology, Nanchang 330099, China
  • b.School of Business Administration, Nanchang Institute of Technology, Nanchang 330099, China
  • c.Comprehensive Management Section, Nanchang Institute of Technology, Nanchang 330099, China
Published: 2023-06-25 doi: 10.20040/j.cnki.1000-7709.2023.20212707
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In order to study the influence of climate change on rainfall extreme value distribution in main flood season, based on the daily rainfall data from 1960 to 2017 in Jiangxi Province, a variety of test methods were used to detect and test the abrupt change points. Genetic algorithm and Fisher's optimal segmentation method were used to stage the flood season before and after the climate abrupt change, and the extreme distribution of staged rainfall and design rainfall before and after the climate abrupt change were discussed. The results show that 1991 was the abrupt change year of precipitation in Jiangxi Province from 1960 to 2017, and it was necessary to pay more attention to the occurrence of extreme heavy rainfall in Guangchang and Poyang Lake regions. Genetic algorithm is suitable for the division and staging of flood season. After the abrupt climate change (1991-2017), the designed rainfall value in the main flood season of Jiangxi Province was greater than that before the abrupt climate change (1960-1990), and also greater than that in the whole period (1960-2017). When calculating the designed flood based on the designed rainfall, the influence of climate change on the designed rainfall value should be considered, and strengthen protection against floods.

climate change  /  flood season division  /  rainfall extreme value distribution  /  Jiangxi Province
Li TANG, Hai-ming LIU, Xi WEI, Zhong-yue YAN, Bing-bing YANG. Influence of Climate Abrupt Change on Extreme Distribution of Staged Rainfall in Jiangxi Province Based on Genetic Algorithm[J]. Water Resources and Power, 2023 , 41 (6) : 1 -4 . DOI: 10.20040/j.cnki.1000-7709.2023.20212707
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20212707
  • Receive Date：2021-12-10
  • Online Date：2026-01-28
  • Published：2023-06-25
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History
  • Received：2021-12-10
  • Revised：2022-03-01
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Affiliations
    a.Jiangxi Provincial Soft Science Research Base of Water Security and Sustainable Development, Nanchang Institute of Technology, Nanchang 330099, China
    b.School of Business Administration, Nanchang Institute of Technology, Nanchang 330099, China
    c.Comprehensive Management Section, Nanchang Institute of Technology, Nanchang 330099, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20212707
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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
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Genus		 种数
Number of
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Percentage of total
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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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