Advances in Social Science, Education and Humanities Research, volume 116 International Conference On Vocational Education And Training (ICOVET 2017) The Use of Basins for Reducing Downstream Flooding (A Case Study of Flood Control at Ganggang Sub-Watershed of Bojonegoro Regency) st 1 Windarti Eko Rahayu, 2nd Mujiyono, 3rd Anie Yulistyorini, Civil Engineering Department Civil Engineering Department Civil Engineering Department Faculty of Engineering Faculty of Engineering Faculty of Engineering Universitas Negeri Malang Universitas Negeri Malang Universitas Negeri Malang Jl. No 5, Malang 65145, Indonesia Jl. No 5, Malang 65145, Indonesia Jl. No 5, Malang 65145, Indonesia
[email protected] [email protected] [email protected], th th 4 Nugroho Suryoputro, 5 Gilang Idfi Civil Engineering Department Civil Engineering Department Faculty of Engineering Faculty of Engineering Universitas Negeri Malang Universitas Negeri Malang Jl. No 5, Malang 65145, Indonesia Jl. No 5, Malang 65145, Indonesia
[email protected] Abstract - This study was aimed to investigate 50 ha of settlements in a week in with the water (1) the use of basins at Ganggang sub-watershed as reach up to 1.75 meters in depth. This disaster was retarding basins, (2) the storage volume required by influenced by the flooding of the Ganggang sub- the inundation at the downstream of Ganggang sub- watershed in which the streamflow in the Ganggang watershed, and (3) the capacity volume of the area at sub-watershed was delayed to reach the outlet Ganggang sub-watershed. The method used in this because of the backwater of the Bengawan Solo study were (1) producing the topographic map of River.