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山丘区中小河流淹没风险及防洪措施可行性研究

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受气候变化和人类活动的双重影响,极端降水事件发生的频次和强度都有所增强,给中小河流的防洪带来新挑战。然而,中小河流洪水受重视程度不如大江大河洪水,加上中小河流洪水资料相对较少,中小河流的淹没风险分析不尽完善,全省中小河流治理工作还不够成熟。因此,以潮州市凤凰溪为例,采用Arcgis软件搭建一维淹没模型,探究5种不同洪水频率工况下凤凰溪淹没风险影响,并提出针对凤凰溪淹没风险的可行性防洪措施建议。
Feasibility Study on Flooding Risk and Flood Control Measures for Small and Medium Rivers in Mountainous Areas
Due to the dual impacts of climate change and human activities,the frequency and intensity of extreme precipitation events have increased,presenting new challenges to flood control in small and medium rivers.However,floods in small and medium rivers receive less attention compared to those in large rivers,and due to the relative scarcity of flood data,the flood risk analysis for small and medium rivers is not yet complete.The governance of small and medium rivers across the province is still immature.Therefore,taking the Phoenix Creek in Chaozhou City as an example,a one-dimensional inundation model was developed using ArcGIS software to investigate the flooding risks under five different flood frequency scenarios and to propose feasible flood control measures for the flooding risks of Phoenix Creek.

Small and medium riversinundation riskflood control measuresone-dimensional model"four-pre"application

王嘉琪、张晓艳、吕茜雯、陈丕翔

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广东省水利水电科学研究院,广东 广州 510635

中山大学,广东 广州 510006

中小河流 淹没风险 防洪措施 一维模型 "四预"应用

2024

陕西水利
陕西省城乡供水管理办公室

陕西水利

影响因子:0.185
ISSN:1673-9000
年,卷(期):2024.(12)