低影响开发小区降雨径流的滞留与滞后效应
X52; 为解决海绵城市建设中低影响开发(low impact development,LID)小区降雨径流滞后效应量化研究不足的问题,基于中国深圳市麻磡环保产业园内3种LID组合设施(停车场-雨水花园、屋面-高位生物滞留池-渗透铺装-植被草沟、屋面-高位生物滞留池-渗透铺装-植被草沟-雨水花园)的降雨径流连续观测数据,系统评估了LID对径流的滞留和滞后效应,分析了LID设施组合和降雨特征等对滞留和滞后效应的影响.结果表明,LID可滞留75.0%~86.5%的降雨量,且在累计滞留降雨量达到2.2~9.9 mm后才开始产流;相对于降雨过程,LID产流的结束时间、质心位置和峰值位置分别滞后100~...
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Published in | 深圳大学学报(理工版) Vol. 39; no. 2; pp. 142 - 151 |
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Main Authors | , , , , |
Format | Journal Article |
Language | Chinese |
Published |
北京大学深圳研究生院环境与能源学院,城市人居环境科学与技术重点实验室,广东深圳518055%广州市城市规划勘测设计研究院,广东广州,510060
30.03.2022
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Subjects | |
Online Access | Get full text |
ISSN | 1000-2618 |
DOI | 10.3724/SP.J.1249.2022.02142 |
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Abstract | X52; 为解决海绵城市建设中低影响开发(low impact development,LID)小区降雨径流滞后效应量化研究不足的问题,基于中国深圳市麻磡环保产业园内3种LID组合设施(停车场-雨水花园、屋面-高位生物滞留池-渗透铺装-植被草沟、屋面-高位生物滞留池-渗透铺装-植被草沟-雨水花园)的降雨径流连续观测数据,系统评估了LID对径流的滞留和滞后效应,分析了LID设施组合和降雨特征等对滞留和滞后效应的影响.结果表明,LID可滞留75.0%~86.5%的降雨量,且在累计滞留降雨量达到2.2~9.9 mm后才开始产流;相对于降雨过程,LID产流的结束时间、质心位置和峰值位置分别滞后100~115、30~68和13~34 min;LID设施的串联有助于提高径流滞后效应;随着雨前干旱时间延长,LID开始产流时对应的累计雨量增加;随着降雨量或降雨历时的增加,产流停止时间和质心位置的滞后效应增强;而降雨强度越小、峰值越靠前,峰值位置的滞后效应越强.研究结果有助于提高LID对降雨径流滞后效应的认识. |
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AbstractList | X52; 为解决海绵城市建设中低影响开发(low impact development,LID)小区降雨径流滞后效应量化研究不足的问题,基于中国深圳市麻磡环保产业园内3种LID组合设施(停车场-雨水花园、屋面-高位生物滞留池-渗透铺装-植被草沟、屋面-高位生物滞留池-渗透铺装-植被草沟-雨水花园)的降雨径流连续观测数据,系统评估了LID对径流的滞留和滞后效应,分析了LID设施组合和降雨特征等对滞留和滞后效应的影响.结果表明,LID可滞留75.0%~86.5%的降雨量,且在累计滞留降雨量达到2.2~9.9 mm后才开始产流;相对于降雨过程,LID产流的结束时间、质心位置和峰值位置分别滞后100~115、30~68和13~34 min;LID设施的串联有助于提高径流滞后效应;随着雨前干旱时间延长,LID开始产流时对应的累计雨量增加;随着降雨量或降雨历时的增加,产流停止时间和质心位置的滞后效应增强;而降雨强度越小、峰值越靠前,峰值位置的滞后效应越强.研究结果有助于提高LID对降雨径流滞后效应的认识. |
Author | 银翼翔 余淑琦 秦华鹏 郑妍妍 何康茂 |
AuthorAffiliation | 北京大学深圳研究生院环境与能源学院,城市人居环境科学与技术重点实验室,广东深圳518055%广州市城市规划勘测设计研究院,广东广州,510060 |
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Author_FL | ZHENG Yanyan QIN Huapeng YIN Yixiang YU Shuqi HE Kangmao |
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Keywords | 城市雨水;海绵城市;低影响开发;径流;滞留效应;滞后效应 |
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