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STUDI HIDRODINAMIKA PERAIRAN ESTUARI SUNGAI KAPUAS KALIMANTAN BARAT

Authors: Jumarang, Muh. Ishak; Muliadi; Ningsih, Nining Sari; Hadi, Safwan; Martha, Dian;

STUDI HIDRODINAMIKA PERAIRAN ESTUARI SUNGAI KAPUAS KALIMANTAN BARAT

Abstract

Telah dilakukan penelitian untuk mengkaji pola sirkulasi arus perairan estuari sungai Kapuas yang dibangkitkan oleh pasang surut dan discharge sungai dan pola arus yang dibangkitkan oleh pasang surut, gaya pembangkit angin dan discharge sungai. Pada studi ini digunakan model numerik hidrodinamika menggunakan MIKE 21 yang dikembangkan oleh DHI Water & Environment untuk mensimulasikan pola sirkulasi arus. Simulasi dilakukan dengan dua skenario, yaitu skenario tanpa angin, hanya menggunakan pasang surut dan discharge sungai sebagai pembangkit arus, dan skenario dengan angin (pasut + discharge + angin). Pola sirkulasi arus hasil simulasi menunjukkan perubahan arah arus dan kecepatan pada kondisi pasut yang berbeda. Pada kondisi surut menuju pasang dan pasang tertinggi, massa air bergerak dari utara ke selatan hingga masuk ke badan sungai sedangkan pada kondisi pasang menuju surut dan surut terendah massa air bergerak ke arah yang berlawanan (dari selatan ke utara) dan air mengalir dari sungai ke luar menuju lepas pantai. Pola sirkulasi arus baik saat purnama maupun perbani menunjukkan kesesuaian pola dan yang membedakan adalah besarnya kecepatan arus.

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Keywords

Sungai Kapuas, pola sirkulasi arus, pasang surut, hidrodinamika, estuari

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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