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Application of Ridge Estimation Method of Rainfall Error Based Differential Response in Flood Forecasting of Jianyang Basin
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Shan-shan YANG1, Rui CHENG2, Wen-zhu YAN1, Qian ZHANG3
Water Resources and Power | 2023, 41(7) : 1 - 3
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Water Resources and Power | 2023, 41(7): 1-3
• HYDROLOGY，WATER RESOURCES AND ENVIRONMENT •
Application of Ridge Estimation Method of Rainfall Error Based Differential Response in Flood Forecasting of Jianyang Basin
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Shan-shan YANG1, Rui CHENG2, Wen-zhu YAN1, Qian ZHANG3
Affiliations
  • 1.Chinese Hydraulic Engineering Society, Beijing 100053, China
  • 2.China South-to-North Water Diversion Corporation Limited, Beijing 100036, China
  • 3.China Water Resource Beifang Investigation, Design & Research Co., Ltd., Tianjin 300222, China
Published: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221739
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To improve the accuracy of areal mean rainfall data and solve the problems of instability of least square estimation in runoff error correction based on dynamic system response curve, ridge estimation of rainfall error based on differential response was introduced based on least square ridge estimation. The calculation of the Xin’anjiang model was generalized a system. The method was applied in flood forecast error correction in Jianyang basin with 37 historical floods chosen as test samples. The results indicate that the ridge estimation of rainfall error based on differential response has obvious correction effects in Jianyang basin, which can improve the accuracy and stability of flood forecasting.

error correction  /  rainfall error  /  ridge estimation  /  Xin’anjiang model
Shan-shan YANG, Rui CHENG, Wen-zhu YAN, Qian ZHANG. Application of Ridge Estimation Method of Rainfall Error Based Differential Response in Flood Forecasting of Jianyang Basin[J]. Water Resources and Power, 2023 , 41 (7) : 1 -3 . DOI: 10.20040/j.cnki.1000-7709.2023.20221739
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221739
  • Receive Date：2022-08-22
  • Online Date：2026-01-28
  • Published：2023-07-25
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History
  • Received：2022-08-22
  • Revised：2022-09-22
Funding
Affiliations
    1.Chinese Hydraulic Engineering Society, Beijing 100053, China
    2.China South-to-North Water Diversion Corporation Limited, Beijing 100036, China
    3.China Water Resource Beifang Investigation, Design & Research Co., Ltd., Tianjin 300222, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20221739
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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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