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Runoff Volume Reduction Using Green Infrastructure

Faculty of Civil Engineering, Architecture and Environmental Engineering, University of Zielona Góra, 65-516 Zielona Góra, Poland
Academic Editor: Thomas Panagopoulos
Land 2021, 10(3), 297;
Received: 12 February 2021 / Revised: 6 March 2021 / Accepted: 12 March 2021 / Published: 14 March 2021
Uncontrolled urbanization is a frequent cause behind the local flooding of catchment areas. This also results in a degradation of water quality in receivers, as well as causing a disruption of the natural water cycle in the catchment. Classical solutions, such as retention, do not prove to be sufficient under all conditions. An alternative solution is the application of low impact development (LID), which, in the analysed case, takes the form of rain gardens, infiltration trenches and controlled unsealing of catchment components. The work presents the influence of a few variants of solutions on a selected urbanized catchment located in Gorzów Wielkopolski. The assessment was developed using a simulation model, making use of EPA’s Storm Water Management Model (SWMM) software. The nalysed design variants are compared with the described existing state before the implementation of modernization works. Previous results showing that LID may be ineffective as the only solution in systems overloaded with runoff generated by rainfall of relatively low intensities were confirmed. In the case of existing systems, LID should be applied in combination with classical retention systems or in a treatment train and every opportunity to implement LID whether on a property or urban site must be taken. Such solutions in the analysed cases will allow for a reduction of the maximum outflow intensity from the analysed subcatchment by 9 to 17% depending on the analysed rainfall. The results are similar to those obtained in other implementations. However, the interpretation of the results is not as simple and obvious for overloaded systems. In addition to flow rate reduction, reduction of surcharge in the sewer network and reduction of the volume of local flooding must be considered. LID solutions should also, whenever possible, be looked into as early as the stage of planning the land development of the infrastructure. View Full-Text
Keywords: climate changes; low impact development; rain barrels; rain gardens; stormwater; surface sealing climate changes; low impact development; rain barrels; rain gardens; stormwater; surface sealing
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Nowogoński, I. Runoff Volume Reduction Using Green Infrastructure. Land 2021, 10, 297.

AMA Style

Nowogoński I. Runoff Volume Reduction Using Green Infrastructure. Land. 2021; 10(3):297.

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Nowogoński, Ireneusz. 2021. "Runoff Volume Reduction Using Green Infrastructure" Land 10, no. 3: 297.

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