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Continued land development around the world has accelerated the construction of impervious surfaces, thereby changing the hydrological cycle of the natural environment itself, resulting in frequent urban waterlogging disasters. Due to its own limitations, the old city not only cannot reasonably utilize rainwater resources, resulting in a waste of rainwater resources, but also is often in the predicament of flooding every time when it rains. Taking the Nandajie area of the old city of Xifeng District in Qingyan City, Gansu Province as an example, the construction effect of different LID measures in each return period was simulated through SWMM modeling. The best LID measures suitable for the study area were selected. The results show that the reduction effect of the combined measures is the best, the reduction rates of the total runoff and the peak runoff are over 68.71% and 68.90%, respectively, the peak time is delayed between 10-15 minutes, and the reduction rate of the overload of the pipe network decreases with the increase of rainfall return period. The research results provide reference for optimization of LID measures in the old urban areas of Northwest China.

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全球各地持续的土地开发,加速了不透水表面的建设,改变了自然环境本身的水文循环途径,导致城市内涝灾害频繁发生。老城区由于自身局限性,不仅不能合理利用雨洪资源,造成雨水资源浪费,还常处于逢雨必涝的困境中。对此,以甘肃省庆阳市西峰区老城区南大街片区为例,通过SWMM建模,模拟各重现期下不同LID措施方案构建效果,比选适合研究区的最佳LID措施方案。结果表明,组合措施削减作用最佳,径流总量和径流峰值的削减率分别在68.71%、68.90%以上,峰现时刻推迟10~15 min,且管网超载削减率随着降雨重现期的增大逐渐降低。研究结果可为西北地区老城区LID措施优化布设提供参考。

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王元元(1993-),男,工程师,研究方向为水利水电工程,E-mail:

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王元元(1993-),男,工程师,研究方向为水利水电工程,E-mail:

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王元元(1993-),男,工程师,研究方向为水利水电工程,E-mail:

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基于SWMM模型的西北地区老城区LID措施方案研究
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王元元 1 , 刘碧云 2
水电能源科学 | 水情测报与优化调度 2023,41(9): 77-80
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水电能源科学 | 水情测报与优化调度 2023, 41(9): 77-80
基于SWMM模型的西北地区老城区LID措施方案研究
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王元元1 , 刘碧云2
作者信息
  • 1.宁夏水利水电勘测设计研究院有限公司甘肃分公司,甘肃 兰州 730030
  • 2.中国市政工程西北设计研究院有限公司,甘肃 兰州 730030
  • 王元元(1993-),男,工程师,研究方向为水利水电工程,E-mail:

Research on LID Measure Scheme in Old Urban Area of Northwest Region Based on SWMM Model
Yuan-yuan WANG1 , Bi-yun LIU2
Affiliations
  • 1.Gansu Branch of Ningxia Water Resources & Hydropower Survey Design & Research Institute Co., Ltd., Lanzhou 730030, China
  • 2.CSCEC AECOM Consultants Co., Ltd., Lanzhou 730030, China
出版时间: 2023-09-25 doi: 10.20040/j.cnki.1000-7709.2023.20221589
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全球各地持续的土地开发,加速了不透水表面的建设,改变了自然环境本身的水文循环途径,导致城市内涝灾害频繁发生。老城区由于自身局限性,不仅不能合理利用雨洪资源,造成雨水资源浪费,还常处于逢雨必涝的困境中。对此,以甘肃省庆阳市西峰区老城区南大街片区为例,通过SWMM建模,模拟各重现期下不同LID措施方案构建效果,比选适合研究区的最佳LID措施方案。结果表明,组合措施削减作用最佳,径流总量和径流峰值的削减率分别在68.71%、68.90%以上,峰现时刻推迟10~15 min,且管网超载削减率随着降雨重现期的增大逐渐降低。研究结果可为西北地区老城区LID措施优化布设提供参考。

海绵城市  /  老城区  /  SWMM  /  LID

Continued land development around the world has accelerated the construction of impervious surfaces, thereby changing the hydrological cycle of the natural environment itself, resulting in frequent urban waterlogging disasters. Due to its own limitations, the old city not only cannot reasonably utilize rainwater resources, resulting in a waste of rainwater resources, but also is often in the predicament of flooding every time when it rains. Taking the Nandajie area of the old city of Xifeng District in Qingyan City, Gansu Province as an example, the construction effect of different LID measures in each return period was simulated through SWMM modeling. The best LID measures suitable for the study area were selected. The results show that the reduction effect of the combined measures is the best, the reduction rates of the total runoff and the peak runoff are over 68.71% and 68.90%, respectively, the peak time is delayed between 10-15 minutes, and the reduction rate of the overload of the pipe network decreases with the increase of rainfall return period. The research results provide reference for optimization of LID measures in the old urban areas of Northwest China.

sponge city  /  the old urban area  /  SWMM  /  LID
王元元, 刘碧云. 基于SWMM模型的西北地区老城区LID措施方案研究. 水电能源科学, 2023 , 41 (9) : 77 -80 . DOI: 10.20040/j.cnki.1000-7709.2023.20221589
Yuan-yuan WANG, Bi-yun LIU. Research on LID Measure Scheme in Old Urban Area of Northwest Region Based on SWMM Model[J]. Water Resources and Power, 2023 , 41 (9) : 77 -80 . DOI: 10.20040/j.cnki.1000-7709.2023.20221589
2023年第41卷第9期
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doi: 10.20040/j.cnki.1000-7709.2023.20221589
  • 接收时间:2022-08-02
  • 首发时间:2026-01-28
  • 出版时间:2023-09-25
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  • 收稿日期:2022-08-02
  • 修回日期:2022-11-03
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    1.宁夏水利水电勘测设计研究院有限公司甘肃分公司,甘肃 兰州 730030
    2.中国市政工程西北设计研究院有限公司,甘肃 兰州 730030
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2种不同金属材料的力学参数

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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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