Main Article Content

Abstract

Floods may bring in both negative and positive impacts to society, the positive impacts, for example, in Nile river delta. In the Surakarta City, the floods bring largely negative effects, sometime loss of life. Urban floods of Surakarta City are so far caused by two generic proceedings of exceedance of river capacity and lacks of urban drainage. It has been exacerbated by the incompatibility of communities’ activities with respect to flood. Inadequate flood prevention facilities have also been the trigger to urban flood in the city. The climate change may be one of the causes as well. However, we have no data to measure the contribution of this global phenomenon on the local urban flood. This study investigates the depth and duration of the inundated urban lands due to floods of the prominent tributaries of Bengawan Solo River in Surakarta City, since these variables determine the extent of the impacts and losses. These two variables were determined from the running of HEC-RAS river analysis program, with the inputs of hydrographs for particular flood return period along with geographical data of the city. The results show that inundation depth could reach a height of up to 4.0 m, varying with the duration.

Keywords

flood; Hec-Ras; synthetic unit hydrograph; urban area

Article Details

How to Cite
Hadiani, R., As'ad, S., & Permana, A. (2022). Examining the Flooding Potentials in Surakarta City, Indonesia . Innovative Engineering and Sustainability Journal, 1(2), 61–72. Retrieved from https://iesj.ft.uns.ac.id/iesj/article/view/4 (Original work published December 26, 2022)

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