Assessing Hydrological Performances of Bioretention Cells to Meet the LID Goals
نویسندگان
چکیده
BRCs (bioretention cells), one of many low-impact development (LID) practices, are increasingly utilized to lessen the amount runoff while simultaneously improving quality. Because goal and LID designs, in general, is mimic or replicate pre-development hydrology, it critical evaluate hydrologic ecologic performances BRC facility from perspective replicating hydrology. The metrics developed this study were intended represent regime including volume control metrics, peak flow frequency exceedance curve, duration curve. We also used a hydrological indicator T0.5, fraction multi-year period which exceeds 0.5-year return storm regarding downstream ecology. indicators compared their values determine how closely they reflected replicated state. A long-term stormwater management model (SWMM) was examine conditions before after water movement BRCs. When facilities areas 5% entire impervious area, key findings show that: (1) have significant performances. (2) curve with could fully match scenario for minor rainfall events 0.1-year storm. Flow curves showed that, frequency, magnitude, small flows that occurred more than 90% total time matched those (3) T0.5 improvement value area no close T0.5. presented indicated performance
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ژورنال
عنوان ژورنال: Sustainability
سال: 2023
ISSN: ['2071-1050']
DOI: https://doi.org/10.3390/su15054204