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Ulung Jantama Wisha
Researcher in Research Institute for Coastal Resources and Vulnerability, Ministry of Marine Affairs and Fisheries, JL. Raya Padang-Painan KM. 16, Teluk Bungus Padang 25245 Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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Bathymetry and Hydrodynamics in Pare Bay Waters During Transitional Seasons (SeptemberOctober) Ulung Jantama Wisha; Aida Heriati
Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1180.642 KB) | DOI: 10.20884/1.oa.2016.12.2.98

Abstract

Sedimentation on Pare bay and Karajae estuary originated from the run off of Karajae River. Highsedimentation process leads to the adverse effect of abiotic environmental changes. The aim of thisresearch is to analyse bathymetry condition and hydrodynamic characteristics of the area inunderstanding sediment distribution on Pare Bay. Corrected bathymetric data by tide data isprocessed using Surfer software 9.0 versions to analyse Pare Bay contour in 2D and 3D, the resultshow depth ranges from 0 to 20 meters. Flow model module by MIKE 21 software was used inhydrodynamic simulation (MRSE 11.44%) and shows that current condition in Pare Bay wasdominated by tidal (within its speed up to 0.43 ms-1), surface currents speed is higher and morerandom than the speed in water column and near bottom. Due to its location, Pare Bay is directlyinfluenced by Indonesian Through flow which has strong currents flow and cause mixing andturbulence along its way, this condition influences Pare Bay condition, especially in the process ofsedimentation and turbulence.  Keywords: bathymetry, currents, hydrodynamics, sedimentation, pare bay
Co-Authors Aida Heriati