Open AccessAnalysis of the effect of land use on flood height in Balikpapan city (case study: Posindo sub-basin)
Author(s) -
R. M. Kadaryanti,
Ajeng Nugrahaning Dewanti,
Aulia Al Ghozali
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1087/1/012035
Subject(s) - flood myth , structural basin , hydrology (agriculture) , drainage basin , drainage , flooding (psychology) , environmental science , channel (broadcasting) , drainage system (geomorphology) , floodplain , water resource management , geology , geography , geotechnical engineering , geomorphology , engineering , cartography , archaeology , psychology , ecology , electrical engineering , psychotherapist , biology
One of the problems with infrastructure in the City of Balikpapan is the inadequate drainage system and is one of the causes of flooding in the City of Balikpapan. Drainage problems in the city of Balikpapan concentrated in the central area of the city, one of which system of drainage that is located in the city center is the Ampal/Klandasan Besar Basin. In that drainage system, there is one of the sub-basin where the majority of its land use is built-up area, namely the Posindo Sub-basin. This study aims to analyze the effect of land use on high floods that occurred in the Posindo Sub-basin. Flood discharge due to rain was analyzed using the HEC-HMS program. The results of the hydrological discharge of the HEC-HMS model are compared with the cross-sectional capacity of the channel so that the flood height above the channel is obtained. Based on the analysis of channel capacity and flood discharge, the results show that the drainage channel in the Posindo Sub-basin is unable to drain the hydrological discharge due to rain without overflow.