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Assessment of flood risk reduction in Bengawan Solo River: A case study of Sragen Regency
Farid M.a, Gunawan B.a, Badri Kusuma M.S.a, Habibi S.A.a, Yahya A.a
a Water Resources Engineering Research Group, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2020 Int. J. of GEOMATE.Bengawan Solo experiences flooding almost every year and it has been a big problem since it causes damage and losses affecting many people in the area. Sragen is the Regency with the greatest loss due to flooding of the Bengawan Solo River which is the longest river in Java Island with 16,100 km2 basin area. Dykes are the structural intervention usually proposed to deal with flood water. The objective of this study is to conduct an assessment of dyke height requirement in order to reduce flood risk in Sragen Regency along Bengawan Solo River. The assessment is based on risk level according to regulations of the Head of National Disaster Management Agency Number 2 in 2012, regarding the general guidelines for the assessment of disaster risk. Hazard levels are obtained from the relationship between hazard index parameters and exposed population index. Loss levels are obtained from the relationship between the hazard level parameter and the loss index. Flood risk level is determined from the level of losses and capacity. For mitigation purposes, flood risk reduction analysis has been conducted through a structural approach by simulating dyke construction around the Bengawan Solo River. Several scenarios of dyke height (2m, 4m, and 6m) have been simulated to assess flood inundation.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Bengawan solo river,Dyke structure,Flood problem,Risk level[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]Authors would like to thank Research and Community Service Program (P3MI) of Institut Teknologi Bandung, Water Resources Engineering Research Groups of ITB, and Center for Coastal and Marine Development of ITB for supporting this study.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.21660/2020.70.18010[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]