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Multi-time Scale Evolution Analysis of Rainfall in Changtan Reservoir of Jiaojiang River Basin
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Meng-ting JIa, Yue-ying BAOa, Si-qi WANGa, Hailati AIYIKELIMUa, Rong-rong ZHANGb, c, Peng JIANGa, b, c
Water Resources and Power | 2023, 41(7) : 4 - 7
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Water Resources and Power | 2023, 41(7): 4-7
• HYDROLOGY，WATER RESOURCES AND ENVIRONMENT •
Multi-time Scale Evolution Analysis of Rainfall in Changtan Reservoir of Jiaojiang River Basin
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Meng-ting JIa, Yue-ying BAOa, Si-qi WANGa, Hailati AIYIKELIMUa, Rong-rong ZHANGb, c, Peng JIANGa, b, c
Affiliations
  • a.College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
  • b.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
  • c.Joint International Research Laboratory of Global Change and Water Cycle, Hohai University, Nanjing 210098, China
Published: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221662
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In order to explore the evolution of rainfall at multiple time scales, this paper takes the Changtan Reservoir in Jiaojiang River Basin as an example and classifies independent rainfall events based on rainfall data from 1960 to 2019. The evolution of rainfall event elements is discussed from four perspectives of rainfall event scale, seasonal scale, changes in annual trends and interannual decadal change. The results show that the extreme rainfall events has strong rainfall and long rainfall duration; The rainfall duration of typhoon rainy season is shorter and the rainfall intensity is greater than that of the plum rainy season, and the variation of rainfall distribution is greater; The annual trends of rainfall event elements are similar between the two stations during the plum rainy season, but the annual trends of rainfall duration and rainfall intensity are significantly different between the two stations during the typhoon rainy season; The rainfall events of the two stations in the plum rainy season have a good response to El Nino events, while the annual rainfall of El Nino/PDO- in the typhoon rainy season is abnormally small, which is prone to drought. El Nino/PDO+ annual rainfall is abnormally high and is prone to appear flood disaster.

rainfall events  /  multiple time scales of rainfall  /  extreme rainfall  /  ENSO
Meng-ting JI, Yue-ying BAO, Si-qi WANG, Hailati AIYIKELIMU, Rong-rong ZHANG, Peng JIANG. Multi-time Scale Evolution Analysis of Rainfall in Changtan Reservoir of Jiaojiang River Basin[J]. Water Resources and Power, 2023 , 41 (7) : 4 -7 . DOI: 10.20040/j.cnki.1000-7709.2023.20221662
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Year 2023 volume 41 Issue 7
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221662
  • Receive Date：2022-08-11
  • Online Date：2026-01-28
  • Published：2023-07-25
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History
  • Received：2022-08-11
  • Revised：2022-10-01
Funding
Affiliations
    a.College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
    b.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
    c.Joint International Research Laboratory of Global Change and Water Cycle, Hohai University, Nanjing 210098, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20221662
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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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