Pertiwi, Nurlita (2015) Combination of Ecological and Hidraulical in River Management (Case Study at Lawo River South Sulawesi). In: The 2nd Makassar International Conference on Civil Engineering (MICCE 2015), 11 Agustus 2015, Makassar, Indonesia.
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Abstract
ABSTRACT: Ecohydraullic is a concept that combines ecological and hydraulical aspect in managing river environment. The ecological issues in this research is the vegetation grown in the river bank as flood retention, while hydraulical aspect refers to the flows of water in river bank to reduce flooding. The aims of the research were to obtain the diameter of vegetationin the river bank and the river management techniques that can reduce the velocity of flow. There are five stages in this study are hydrology analysis, hydraulics analysis, land use analysis, flooding analysis and ecohydraulic analysis. Hydrology analysis is used to obtain 50 annual flood discharge while the hydraulic analysis used to find the flood water level. Land use analysis to obtain the potential land use along the river and the flooding analysis describe the the risk of flooding in the riverbank. Ecohydraulic analysis is used to obtain the optimal width of the banks, the diameter of which is suitable for the management of vegetation along the river as well as the high floodwaters. The results of the analysis suggests that the diameter vegetation of riverbank between 10 cm and 20 cm and width of riverbanks are 100 meters - 150 meters. With the ecohydraulic concept, the river management techniques can reduce the water level along the river and the velocity of flow. Without banks arrangement, flood water level is more than 2.6 meters and the presence of structuring and vegetation in the banks the water level to 0.7 meters - 2.5 meters . The flow velocity can be reduced between 10 % - 76 % . Based on this research, it is known that the arrangement of riverbanks can provide benefits in flood control measures . This arrangement is the basis in determining the demarcation line of the river .
| Item Type: | Conference or Workshop Item (Paper) |
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| Subjects: | FAKULTAS TEKNIK > Pendidikan Teknik Bangunan KARYA ILMIAH DOSEN Universitas Negeri Makassar > KARYA ILMIAH DOSEN |
| Divisions: | KOLEKSI KARYA ILMIAH UPT PERPUSTAKAAN UNM MENURUT FAKULTAS > KARYA ILMIAH DOSEN KARYA ILMIAH DOSEN |
| Depositing User: | Dr.Ir. Nurlita Pertiwi |
| Date Deposited: | 02 Nov 2019 23:43 |
| Last Modified: | 24 Dec 2019 18:00 |
| URI: | http://eprints.unm.ac.id/id/eprint/15330 |
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