Hydrodynamics and Morphological Changes Numerical Model of the Jeneberang Estuary
Journal Title: International Journal of Innovative Research in Advanced Engineering - Year 2016, Vol 0, Issue 0
Abstract
Jeneberang Estuary, located south of Makassar, Indonesia, is one of the largest and most important river in Sulawesi. In this paper, a numerical model has recently been developed hydrodynamic and morphological evolution of the downstream rubber dam of the Jeneberang Estuary. The hydrodynamic model is derived from the hydro static assumption and Boussinesq approximation. A high-resolution computational grid was generated covering the Jeneberang estuary. The model was run with time driven by tidal forcing at the ocean boundary and river hydro graph at the upstream. The observed tidal data and hydrography were accessible for the set-up of the model. Hydrodynamic simulations have been performed and computed water levels were compared to observations of existing water level along the estuary from DISHIDRO data. For the period of a neap-spring-neap cycle, the model settings determined in the calibration process are verified satisfactions with respect to water level measurements. Good agreement was shown between model results and observed temporal and spatial variations in water elevation and currents, in the Jeneberang Estuary. The suspended sediments were generally transported from the Jeneberang River towards the Makassar Strait when overflow discharge through the Jeneberang Rubber Dam. Morphology change at the Jeneberang Estuary delta is affected by many factors, including tide, waves, river flows and sediment.
Authors and Affiliations
Yassir Arafat, Saleh Pallu M. , Farouk Maricar, Rita Lopa
Keywords
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