Hydrological performance of rain gardens having Calendula officinalis plant with varied planting mixtures

The rain gardens (RGs) have been one of the best management practices in cities to reduce the impact of urban flooding. However, very little is known about various design parameters of RGs, viz., the type of plantation, planting mixtures, and RG dimensions. This study pertains to examining the influ...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 87(2023), 5 vom: 29. März, Seite 1316-1326
1. Verfasser: Kumar, Sandeep (VerfasserIn)
Weitere Verfasser: Singh, Krishna Kumar
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article
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520 |a The rain gardens (RGs) have been one of the best management practices in cities to reduce the impact of urban flooding. However, very little is known about various design parameters of RGs, viz., the type of plantation, planting mixtures, and RG dimensions. This study pertains to examining the influence of planting mixtures on the variations of percolation rates of the RG with Calendula officinalis plant and without plants. Six types of planting mixtures in different experimental RGs have been tried. It has been observed that the percolation rate increases with a higher percentage of compost in the planting mixture for RGs with and without plants. The percolation rate is highest for the planting mixture having 25% compost. The runoff rate reduces with a higher percentage of compost in the planting mixture for RGs with C. officinalis and bare surfaces. No runoff is produced in RGs with plant having a compost of more than 20% in the planting mixture. The outcome of the study will be useful in deciding the composition of the planting mixture which will keep the RG plant healthy and at the same time improve the hydrological performance leading to lowering urban flooding magnitude 
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