降雨控制模式对海绵城市设计参数的影响--以江苏省为例

来源 :水资源与水工程学报 | 被引量 : 0次 | 上传用户：julyanjust

【摘要】

：

为了研究降雨控制模式对低影响开发系统设计参数的影响,以江苏省为例,利用全省70个国家气象站、1961-2019年的降水资料开展分析。结果表明:在相同的控制率之下,降雨总量控制模式的日设计雨量大于降雨场次控制模式的日设计雨量,在暴雨占比较高的地区更加明显,且两种控制模式的日设计雨量差值随着控制率的增大而增加;两种控制模式的日设计雨量有一定的比例关系,85%降雨总量控制率和90%降雨场次控制率的日设计雨量比值为1.08;初期雨量控制率的空间分布形态差异较大,降雨总量控制模式下的控制率由南向北逐渐减小,分布规律

【作者】

：

陈燕许遐祯孙佳丽苗茜王国庆

【机构】

：

江苏省气候中心,南京水利科学研究院水文水资源与水利工程科学国家重点实验室,水利部应对气候变化研究中心,长江保护与绿色发展研究院

【出处】

：

水资源与水工程学报

【发表日期】

：

2021年4期

【关键词】

：

低影响开发设计雨量初期雨量最优控制率海绵城市江苏省

【基金项目】

：

国家重点研发计划课题(2017YFA0605002、2017YFC1502701),国家自然科学基金项目(51779144),中国气象局气候变化专项(CCSF201932)。

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