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Sedimentation Analysis Based on River Hydrological Discharge at Cipunagara Estuary, Subang, Indonesia
Achiari H.a, Dinan M.I.a
a Ocean Engineering Program, Faculty of Civil and Environmental Engineering, Bandung Institute of Technology (ITB), Bandung, 40132, 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]© Published under licence by IOP Publishing Ltd.Coastal area is very dynamic. The sedimentation in estuary causes coastal morphological changes. Sediment which is transported by the river flow tends to accumulate in the estuary. Sedimentation also occurs in Cipunagara, Subang and causes the accretion. Based on this Due to this occurrence of sedimentation, the objective of study are to calculate the hydrological discharge, calculate the sediment transport rate, and analyze the added area of sedimentation in the Cipunagara estuary. The method of the calculation of hydrological discharge has been reffered to SNI 2145-2016 while the analysis of sedimentation referred to Van Rijn’s analytical equations. The frequency analysis of maximum daily rainfall in Cipunagara watershed was done to obtain the value of rainfall plan. The rainfall plan was then used to calculate flood discharge plan with using HSS Nakayasu method. The flood discharge plan with 2-years return period was chosen to determine the flow rate at STA 1 in Cipunagara River. Furthermore, the flowrate and sediment characteristic at STA 1 is used as the parameter to determine the sediment transport rate at STA 1. The sediment transport rate from January to December are calculated to obtain the volumetric value of the transported sediment which then used for the added area of sedimentation analysis at STA6 and STA 9 in Cipunagara estuary. In this study, the value of flood discharge plan from January to December was obtained as, 328,41 m3/s, 275,96 m3/s, 247,62 m3/s, 300,25 m3/s, 212,19 m3/s, 129,84 m3/s, 142,14 m3/s, 67,83 m3/s, 52,93 m3/s, 160,33 m3/s, 266,60 m3/s, and 299,44 m3/s. The added area of sedimentation over one year at STA 6 and STA 9 are 320,04 ha/year and 182,88 ha/year with scheme A and 337,33 ha/year and 203,36 ha/year with sheme B.[/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]Analytical equations,Daily rainfall,Flood discharge,Frequency Analysis,Morphological changes,Sediment characteristic,Sediment transport rate,Sedimentation analysis[/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][/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 are wishing to acknowledge assistance or encouragement from ITB colleagues. This work is funded by MP3I Program of ITB, Ministry of Research, Technology and Higher Education, Indonesia.[/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/10.1088/1755-1315/258/1/012021[/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]