Hydrological performance of lined permeable pavements in Norway

IF 2.3 Q3 ENVIRONMENTAL SCIENCES
Elhadi Mohsen Hassan Abdalla, I. Selseth, T. Muthanna, H. Helness, K. Alfredsen, Terje Gaarden, E. Sivertsen
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引用次数: 2

Abstract

Lined permeable pavements (LPPs) are types of sustainable urban stormwater systems (SUDs) that are suitable for locations with low infiltration capacity or shallow groundwater levels. This study evaluated the hydrological performance of an LPP system in Norway using common detention indicators and flow duration curves (FDCs). Two hydrological models, the Storm Water Management Model (SWMM)-LID module and a reservoir model, were applied to simulate continuous outflows from the LPP system to plot the FDCs. The sensitivity of the parameters of the SWMM-LID module was assessed using the generalized likelihood uncertainty estimation methodology. The LPP system was found to detain the flow effectively based on the median values of the detention indicators (peak reduction = 89%, peak delay = 40 min, centroid delay = 45 min, T50-delay = 86 min). However, these indicators are found to be sensitive to the amount of precipitation and initial conditions. The reservoir model developed in this study was found to yield more accurate simulations (higher NSE) than the SWMM-LID module, and it can be considered a suitable design tool for LPP systems. The FDC offers an informative method to demonstrate the hydrological performance of LPP systems for stormwater engineers and decision-makers.
挪威衬砌透水路面的水文性能
内衬透水路面(LPPs)是一种可持续的城市雨水系统(sud),适用于低渗透能力或地下水位较浅的地区。本研究利用常见滞留指标和水流持续时间曲线(FDCs)评估了挪威LPP系统的水文性能。两个水文模型,即暴雨水管理模型(SWMM)-LID模块和水库模型,用于模拟LPP系统的连续流出,以绘制fdc。采用广义似然不确定性估计方法对SWMM-LID模块参数的敏感性进行了评估。根据滞留指标的中位数(峰值减少= 89%,峰值延迟= 40分钟,质心延迟= 45分钟,t50延迟= 86分钟),发现LPP系统有效地滞留了流量。然而,这些指标对降水量和初始条件都很敏感。研究发现,与SWMM-LID模块相比,该研究开发的储层模型可以产生更精确的模拟(更高的NSE),可以认为它是LPP系统的合适设计工具。FDC为雨水工程师和决策者提供了一种信息丰富的方法来展示LPP系统的水文性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Blue-Green Systems
Blue-Green Systems Multiple-
CiteScore
8.70
自引率
0.00%
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