EFFECTS OF DIFFERENT TYPES OF PLANTS ON RUNOFF REDUCTION AND SUSPENDED SOLIDS REMOVAL IN RAIN GARDENS

IF 1 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Environmental Engineering and Landscape Management Pub Date : 2023-05-10 DOI:10.3846/jeelm.2023.19016

Chuan Li, Lin-Kang Chen, Huan Li, Zi-mei Miao, Rui Yang, L. Chu, Ling-hua Mao

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Abstract

This research conducted a series of experiments, determined that 40% is the optimal sand-soil ratio, built three rain gardens, and planted Ilex chinensis Sims and Cynodon dactylon as a key element in the rain gardens. Among them, rain garden A was planted with only Cynodon dactylon for a one-year observation period. Rain gardens B and C, designed as three-year rain gardens, were planted with Ilex chinensis Sims or Cynodon dactylon, respectively. The method of simulating rainwater runoff was used to monitor the rain gardens continuously. The results showed that the total runoff reduction rates of rain gardens A, B, and C were 43%, 53%, and 55%, respectively. The average removal rates of pollutant suspended solids in rain gardens A, B, and C were 94%, 88%, and 87%, respectively, and the suspended solids pollution load reduction rate reached 96%, 94%, and 95%, respectively. This would be significant for future work and as a reference for the selection of plants for rain gardens in China.

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不同类型植物对雨花园径流减少和悬浮物去除的影响

本研究进行了一系列实验，确定40%为最佳砂土比，建立了三个雨水花园，并在雨水花园中种植了冬青和犬齿龙作为关键元素。其中，雨水花园A仅种植犬齿龙，为期一年。雨水花园B和C设计为三年雨水花园，分别种植了冬青和犬齿龙。采用模拟雨水径流的方法对雨水花园进行了连续监测。结果表明，A、B和C雨花园的总径流减少率分别为43%、53%和55%。雨花园A、B和C的污染物悬浮物平均去除率分别为94%、88%和87%，悬浮物污染负荷减少率分别达到96%、94%和95%。这对今后的工作具有重要意义，对我国雨水花园植物的选择具有参考意义。

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

Journal of Environmental Engineering and Landscape Management 环境科学-环境科学

CiteScore

1.90

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Environmental Engineering and Landscape Management publishes original research about the environment with emphasis on sustainability.