PENGENDALIAN BANJIR DAS DOLOK – PENGGARON PADA SUNGAI BABON
ABSTRACT: Flood is a condition
where areas that normally are not inundated by water such as settlements, and
other public facilities become stagnant. The impact of flood disasters is very
detrimental both morally and materially as delays in transport lines which
impact on the pace of the economy. Semarang city is one of the areas in
Indonesia are prone to flooding. The condition worsened with a decrease in the
land throughout the year reached 0.7 to 11.2 cm / year. Starting from Ivory
Pucang weir, river silting baboon suffered due to sedimentation, thereby
reducing the capacity of water drainage caused flooding in the area around the
river. This study using HEC-HMS software to analyze the flood discharge with a
return period of 2, 5, 10, 25, 50 and 100 years. From some of the return period
flood discharge plan, for further analysis taken flood discharge plan with a
return period of 100 years. The program has been calibrated using the flood
discharge at the dam hourly Pucang Ivory. HEC-HMS addition, this study also
uses the HEC-RAS software to analyze the profile of the river water level and
produce a flood inundation area of flood discharge plan with a return period of
100 Pathe obtained from the processing of data for flood inundation in the area
Sayung, Kab. Demak, so the need to improve cross-section.
Penulis: David Choirul,
Rienddy Fajar Kusuma, Sri Eko Wahyuni, Suseno Darsono
Kode Jurnal: jptsipildd150175