THE CHARACTERISTICS OF SEDIMENTATION PATTERN AND MORPHOLOGICAL CHANGE OF SIGELENG RIVER ESTUARY IN RANDUSANGA KULON VILLAGE BREBES DISTRICT

  • Atiyah Barkah Civil Engineering, Faculty of Engineering, Wijayakusuma Univesity Purwokerto, Jl. Beji Karangsalam 53152, Indonesia
  • Dwi Sri Wiyanti Civil Engineering, Faculty of Engineering, Wijayakusuma Univesity Purwokerto, Jl. Beji Karangsalam 53152, Indonesia
  • Taufik Dwi Laksono Civil Engineering, Faculty of Engineering, Wijayakusuma Univesity Purwokerto, Jl. Beji Karangsalam 53152, Indonesia
Keywords: River Estuary Morphology, Sedimentation, Sediment Characteristics

Abstract

Sigeleng River Estuary is located in Brebes Regency. The mouth of Sigeleng River Estuary suffering morphological change that caused by the sand spit that close the mouth of river estuary and creating deflection.

The results of  characteristics test of the sediment from the estuary of Sigeleng River shows that the average density is 2.228 kg/l and the average particle diameter (D60) is 0.466 mm. On the other hand the largest result of total suspended solid test of the sediment samples is 1.58 mg/l. According to USDA,  the soil texture in B location is Silt Loam and in A and C location are Sandy Loam. SED2D modeling that performed for 720 hours that assumed as 1 year shows a base elevation change that is 11,79%-30,20%  in the river estuary mouth at the existing condition

Sediment cumulation that occurred around the mouth of the Sigeleng River Estuary within 5 years is 0.007 m - 2,560 m, while the depth of the Sigeleng River Estuary is only -3.00 m. Therefore, a treatment by dredging the sediment aroud the mouth of Sigeleng River Estuary is needed so that the river estuary is not closed.

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Published
2020-01-31
How to Cite
Barkah, A., Wiyanti, D. S., & Laksono, T. D. (2020). THE CHARACTERISTICS OF SEDIMENTATION PATTERN AND MORPHOLOGICAL CHANGE OF SIGELENG RIVER ESTUARY IN RANDUSANGA KULON VILLAGE BREBES DISTRICT. International Journal of Engineering Technologies and Management Research, 7(1), 74-84. https://doi.org/10.29121/ijetmr.v7.i1.2020.500