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All Journal Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management)
Anna Mariana Situngkir
UNESCO-IHE, Delft, the Netherlands, Sriwijaya University, Indonesia
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science

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EVALUATION AND IMPROVEMENT OF DRAINAGE PERFORMANCE IN GEDONGTATAAN, LAMPUNG USING DUFLOW MODELING STUDIO Anna Mariana Situngkir
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 6 No. 2 (2016): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.6.2.111

Abstract

Gedongtataan always experiences flooding annually with maximum inundation depth 0.5 m. Flood leads to road congestion. This study had objective to identify of the cause of flood, to assess the performance of drainage, and to propose the improvement options to cope the flood. The cause of flood was insufficient drainage capacity, less dimension, solid waste and grass weed in the drainage canals, lack of drainage along the road, and high rainfall. Duflow was one dimensional model used to assess the performance of drainage in existing condition, extreme condition, and some improvement options to cope the flooding which were Scenario 1 cleaning canals from solid waste and grass weed, Scenario 2 dyke construction and canal widening, and Scenario 3 resizing canals, a combination of dredging and widening canals. The best improvement option was Scenario 3 resizing canals since it is long term solution and not costly to prevent the flood.
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