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All Journal Indonesian Journal of Geography
Fitrie Atviana Nurritasari
Geo-Information for Spatial Planning and Disaster Risk Management, Graduate School of Universitas Gadjah Mada
Earth & Planetary Sciences

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OpenLISEM Flash Flood Modelling Application in Logung Sub-Catchment, Central Java Fitrie Atviana Nurritasari; Sudibyakto Sudibyakto; Victor G. Jetten
Indonesian Journal of Geography Vol 47, No 2 (2015): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (979.132 KB) | DOI: 10.22146/ijg.9252

Abstract

Juwana Catchment and Logung Sub-catchment in particular has been suffering several major past flood events with significant loss. This study conducted an assessment of flood risk by using OpenLISEM as physical soil and hydrological model to generate the single storm flash flood occurrences. The physical input data were collected from remote sensing image interpretation, field observation and measurement and literature review. There are three return periods chosen as scenarios that represent rainfall intensity in Logung Sub-Catchment. Model validation was done by adjusting initial moisture content and saturated hydraulic conductivity values to equate the calculated total discharge with the measured total discharge in several chosen dates. The results show increases in most of modeled hydrological parameter with respect to increasing of rainfall intensity.
Co-Authors Sudibyakto Sudibyakto Victor G. Jetten