The influence of low impact development-best management practices implementation on surface runoff reduction: A case study in Universitas Indonesia catchment area

High population growth rate will increase the infrastructure development, so the impervious land cover in a certain area will be greater. In 2016, the percentage of impervious area in UI Depok catchment area has reached 57%. This condition causes the surface runoff volume and probability of flood wi...

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Bibliographic Details
Main Authors: Azkarini, Luluk, Anggraheni, Evi, Sutjiningsih, Dwita
Format: Conference Proceeding
Language:English
Subjects:
Flood management
Infiltration
Infrastructure
Land cover
Population growth
Porous pavements
Rainfall
Recharge basins
Reduction
Retention basins
Runoff
Sand
Stormwater management
Surface runoff
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Summary:High population growth rate will increase the infrastructure development, so the impervious land cover in a certain area will be greater. In 2016, the percentage of impervious area in UI Depok catchment area has reached 57%. This condition causes the surface runoff volume and probability of flood will increase. LID is a new paradigm for stormwater management in micro-scale areas. LID infrastructure is designed to manage stormwater for light to moderate rainfall spectrum. Previous research has produced an applied proposal of various LID-BMP infrastructure in UI catchment area, Depok, by using BMP Siting Tools. This study aims to compare the volume of surface runoff without and with the LID infrastructures on UI catchment area, Depok, and to calculate the effectiveness of LID infrastructure for various spectrum of rainfall. The LID infrastructures used are bioretention, porous pavement, infiltration trench, infiltration basin, vegetated filter strip, sand filter non-surface, sand filter surface, rain barrel and grassed swales. By applying said infrastructures, the reduction of peak flow on various rain spectrums vary from 3-30%.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201927604007