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标题：STUDY COMPONENTS OF SHALLOW WATER TIDE (OVER AND COMPOUND TIDES) 1 DIMENSIONAL CHANNEL MODEL BY USING VARIATIONAL DATA ASSIMILATION METHOD
其他标题：STUDI KOMPONEN PASANG SURUT PERAIRAN DANGKAL (OVER AND COMPOUND TIDES) MODEL KANAL 1 DIMENSI DENGAN MENGGUNAKAN METODA ASIMILASI DATA VARIASIONAL
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作者：Evie H. Sudjono ; Evie H. Sudjono ; Evie H. Sudjono 等
期刊名称：E-Journal Ilmu dan Teknologi Kelautan Tropis
印刷版ISSN：2087-9423
电子版ISSN：2085-6695
出版年度：2011
卷号：3
期号：1
页码：1-12
DOI：10.29244/jitkt.v3i1.7830
语种：English
出版社：Bogor Agricultural University
摘要：Shallow water tides are very important to improve accuracy of tidal predictions. It is used by port interest, sea transportation, fishing industry, coastal engineering, etc. Simulation of shallow water tides was obtained from harmonic analysis of 1 dimensional channel model (12 grid) by using variational data assimilation (grid 3 and 8). Two partial tides with angular frequencies σ1 = 1,4x10-4 and σ2 = 1,6x10-4 rad/sec and amplitude A1 = 1x10-8 and A2 = 0,5x10-8 meters are used for defining external forcing in the model domain. When inspecting the amplitudes of both partial tides σ1 and σ2 and some of their dominant over- and compound tides (σ3 = 2σ1-σ2 and σ4 = 3σ1), in general the “to be corrected” solution can be improved significantly. Root mean square (rms) error of tidal constituent σ1 between the “reference” and the “to be corrected” without data assimilation is 0,1075 m/sec, and for σ2 is 0,0440 m/sec, respectively. On the other hand, the harmonic analysis of the phase of tidal constituent σ1 showed a good result (root mean square = 0.0000 m/s) and for σ2 (root mean square = 0.0002 m/s).
其他摘要：Komponen pasang surut (pasut) perairan dangkal sangat penting dalam meningkatkan ketelitian prediksi yang digunakan bagi kepentingan pelabuhan, transportasi laut, industri perikanan, rekayasa pantai (coastal engineering), dan lain-lain. Pada penelitian in
关键词：shallow water tides; data assimilation; harmonic analysis
其他关键词：pasut; asimilasi data; analisis harmonik