Analisis Arus dan Transpor Sedimen Menggunakan Pemodelan Hidrodinamika 3 Dimensi (Studi Kasus: Teluk Ambon, Kota Ambon, Maluku)
Submission Date: 2019-07-23 22:29:44
Accepted Date: 2019-11-18 00:00:00
Abstract
Teluk Ambon yang berlokasi di Kecamatan Teluk Ambon, Provinsi Maluku, merpakan teluk yang mempunyai karateristik daerah yang menyempit dan terbagi menjadi tiga area yaitu Teluk Ambon Luar, Bagian tengah yang menyempit merupakan lokasi Jembatan Merah Putih, dan Teluk Ambon Dalam. Pada setiap areanya mempunyai kedalaman dan luas area yang berbeda sehingga terdapat perbedaan pola arus pada Teluk Ambon. Selain itu terdapat beberapa sungai yang bermuara pada Teluk Ambon sehingga memungkinkan terjadinya sedimentasi pada Teluk Ambon. Dalam hal ini menggunakan perangkat lunak pemodelan hidrodinamika 3D. Parameter pada pemodelan ini yaitu data batimeri, arah dan kecepatan angin, dimensi pilar jembatan, river discharge, pasang surut air laut, dan sampel sedimen. Dari penelitian ini didapatkan hasil nilai kecepatan arus paling tinggi saat pasang tertinggi dan surut terendah yaitu 0.0089 m/s dan 0.05 m/s. Berdasarkan data kumulatif perpindahan sedimen dari hasil model, area sekitar pilar terjadi penumpukan dan erosi sedimen yang berbeda di tiap pilarnya.
Keywords
Arus; Pemodelan Hidrodinamika; Teluk Ambon; Transpor Sedimen
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