Flood disasters pose one of the greatest threats to humanity. Effectively addressing this challenge requires improving the accuracy of flood simulation. Taking Xunhe watershed in Shandong Province as the study area, the Random Forest model was utilized to classify historical flood events within the watershed based on rainfall conditions, such as varying rainfall durations, intensities, and total precipitations. Multiple sets of hydrological model parameters were established to conduct flood classification simulation, reducing the error caused by using a single parameter set for the entire watershed. The results indicate that the Random Forest model can be applied to flood classification simulation in Xunhe watershed. Compared to unclassified simulations, the method proposed in this study leads to an improvement in the Nash coefficient by 0.06 to 0.14, a reduction in the relative error of peak discharge by 3% to 11.24% and a reduction in the relative error of flood volume by 1.46% to 9.44%. The flood classification simulation method proposed in this study has certain applicability in reducing flood simulation errors under different rainfall scenarios and improving accuracy in the watershed, providing new insights for flood control and disaster reduction efforts.
机构:
South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
Chen, Jialei
Huang, Guoru
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South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
South China Univ Technol, State Key Lab Subtrop Bldg Sci, Guangzhou 510640, Peoples R China
Guangdong Engn Technol Res Ctr Safety & Greenizat, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
Huang, Guoru
Chen, Wenjie
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机构:
South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
Guangdong Engn Technol Res Ctr Safety & Greenizat, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
机构:
Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Chinese Acad Sci, Inst Sci, Beijing 100190, Peoples R China
Chinese Acad Sci, Inst Dev, Beijing 100190, Peoples R ChinaUniv Chinese Acad Sci, Beijing 100049, Peoples R China
Chen, Yangyang
Li, Jimei
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机构:
Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Chinese Acad Sci, Inst Sci, Beijing 100190, Peoples R China
Chinese Acad Sci, Inst Dev, Beijing 100190, Peoples R China
Beijing Municipal Inst Lab Protect, Beijing 100032, Peoples R ChinaUniv Chinese Acad Sci, Beijing 100049, Peoples R China
Li, Jimei
Chen, An
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机构:
Chinese Acad Sci, Inst Sci, Beijing 100190, Peoples R China
Chinese Acad Sci, Inst Dev, Beijing 100190, Peoples R China
15 ZhongGuanCun BeiYiTiao, Beijing 100190, Peoples R ChinaUniv Chinese Acad Sci, Beijing 100049, Peoples R China
机构:
South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
Chen, Jialei
Huang, Guoru
论文数: 0引用数: 0
h-index: 0
机构:
South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
South China Univ Technol, State Key Lab Subtrop Bldg Sci, Guangzhou 510640, Peoples R China
Guangdong Engn Technol Res Ctr Safety & Greenizat, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
Huang, Guoru
Chen, Wenjie
论文数: 0引用数: 0
h-index: 0
机构:
South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
Guangdong Engn Technol Res Ctr Safety & Greenizat, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
机构:
Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Chinese Acad Sci, Inst Sci, Beijing 100190, Peoples R China
Chinese Acad Sci, Inst Dev, Beijing 100190, Peoples R ChinaUniv Chinese Acad Sci, Beijing 100049, Peoples R China
Chen, Yangyang
Li, Jimei
论文数: 0引用数: 0
h-index: 0
机构:
Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Chinese Acad Sci, Inst Sci, Beijing 100190, Peoples R China
Chinese Acad Sci, Inst Dev, Beijing 100190, Peoples R China
Beijing Municipal Inst Lab Protect, Beijing 100032, Peoples R ChinaUniv Chinese Acad Sci, Beijing 100049, Peoples R China
Li, Jimei
Chen, An
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Sci, Beijing 100190, Peoples R China
Chinese Acad Sci, Inst Dev, Beijing 100190, Peoples R China
15 ZhongGuanCun BeiYiTiao, Beijing 100190, Peoples R ChinaUniv Chinese Acad Sci, Beijing 100049, Peoples R China