基于水文模拟的城市河道场景构建—以青白江区1956大时代片区为例

Construction of Urban River Scene Based on Hydrological Simulation—Taking the Changliu River-industrial channel section in Qingbaijiang District as an example

河流是自然界重要的生态系统之一,城市河流更是对一个城市的社会、经济、人文起着决定性作用。随着我国大力推行公园城市建设,很多城市河流面临被改造的命运,但目前城市河流设计大多忽略了河流内部基底条件,设计结果或多或少违背了自然规律。本研究以成都市青白江区1956大时代片区内的长流河、四斗渠和工业渠为例,在采用mike21水动力模型分析河流内部的流速、水深和流向等水文数据基础上,进行驳岸设计、植物群落营造与场景构建,提升3条河流的景观品质、水质和水动力水平,以期为今后城市河道景观的量化设计提供借鉴和参考。

Rivers are one of the important ecosystems in nature,and urban rivers play a decisive role in the society,economy and humanities of a city.With the vigorous promotion of park city construction in my country,many urban rivers are facing the fate of being transformed.However,most of the current urban river design ignores the internal base conditions of the river,and the design results more or less violate the laws of nature.This study takes Changliu River,Sidou Canal and Industrial Canal in the 1956 Da Shidai area of Qingbaijiang District,Chengdu as examples.Based on the analysis of hydrological data such as flow velocity,water depth and flow direction inside the river using the mike21 hydrodynamic model,the revetment design,Plant community construction and scene construction improve the landscape quality,water quality and hydrodynamic level of the three rivers,in order to provide reference and reference for the quantitative design of urban river landscape in the future.