Response of Urban Planning and Urban Water Environment
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Abstract:
In order to understand the influence of urban planning on urban water environment, SWMM (storm water management model) was used to analyze the relationship between urban planning mode and urban water environment in the Fuxi River watershed of Zigong. The results showed that the peak flow rate and peak concentration of TSS of urban runoff decreased by 58% and 55% respectively when the proportion of the planning impervious underlying surface decreased from 74% to 30%. Green roof, penetration square, and green roof + penetration square were beneficial to urban runoff control on the basis of planning land use layout with further reduction of peak rainfall runoff of 33%, 29%, and 64%, respectively and further reduction of TSS concentration of 26%, 15%, and 38%, respectively. The study results provided reference to the management of urban environment.
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