基于MIKE FLOOD模型的鹰潭市内涝弹性分析
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TV125

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国家社会科学基金(18BGL187);江西省自然科学基金(20181BAB206046);江西省社科规划项目(18GL34)


Analysis of urban waterlogging resilience based on MIKE FLOOD Model in Yingtan City
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    摘要:

    针对近年来日益严重的城市内涝问题,利用MIKE FLOOD 模型模拟了鹰潭市月湖新区在遭遇1 a、3 a、5a、10a 及20a 重现期降雨时的内涝淹没状态,研究了在不同重现期降雨下城市内涝形成及恢复的完整过程。根据模拟结果统计研究区在各个重现期降雨后的淹没网格数变化,基于系统性能分析研究鹰潭市月湖新区排水内涝弹性,进一步分析研究区对各重现期降雨灾害的防御与恢复能力。结果表明:在不同重现期降雨下,研究区积水面积基本都在65 min 左右达到最大;在遭遇1 ~3 a 低重现期降雨时,研究区排水系统性能变化更为敏感;降雨重现期越低,系统性能恢复越快、越好。

    Abstract:

    In response to the increasingly serious urban waterlogging problem in recent years, the MIKE FLOOD model was used to simulate the flooding and inundation status of the Yuehu New District in Yingtan City when it encountered rainfall during the return periods of 1a, 3a, 5a, 10a and 20a. The complete process of the formation and recovery of urban waterlogging under different return periods of rainfall was investigated. According to the simulation results, the number of submerged grids in the study area after rainfall in each return period were counted. Based on the system performance analysis, the waterlogging elasticity of the Yuehu New District was studied, and the research area’s defense and recovery capabilities against rainfall disasters in each return period were further analyzed. The results show that under different return periods of rainfall, the accumulated waterlogging area in the study area basically reaches the maximum at about 65 minutes. The drainage system of the study area is more sensitive to rainfall during the low return period from 1a to 3a. The lower the return period of rainfall, the faster and better the recovery level of the system performance.

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傅春,付耀宗,肖存艳,等.基于MIKE FLOOD模型的鹰潭市内涝弹性分析[J].水利水电科技进展,2022,42(1):33-39.(FU Chun, FU Yaozong, XIAO Cunyan, et al. Analysis of urban waterlogging resilience based on MIKE FLOOD Model in Yingtan City[J]. Advances in Science and Technology of Water Resources,2022,42(1):33-39.(in Chinese))

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  • 在线发布日期: 2022-01-08
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