KARAKTERISTIK PASANG SURUT DI PERAIRAN PAMEUNGPEUK, BELITUNG, DAN SARMI BERDASARKAN METODE ADMIRALTY

Authors

  • Eko Supriyadi Badan Meteorologi, Klimatologi dan Geofisika (BMKG)
  • Siswanto Siswanto Badan Meteorologi, Klimatologi dan Geofisika (BMKG)
  • Widodo Setiyo Pranowo Kementerian Kelautan dan Perikanan (KKP)

DOI:

https://doi.org/10.31172/jmg.v19i1.518

Keywords:

Karakteristik pasang Surut, Tiper Pasang Surut, Metode Admiralty, Bilangan Form, Datum

Abstract

Penentuan konstanta harmonik pasang surut, datum dan tipe pasang surut air laut sangat dipengaruhi oleh lokasi, posisi bulan dan matahari yang mempunyai nilai periode tersendiri setiap waktunya. Penelitian ini mengunakan data observasi pasang surut perairan Pamengpeuk, Belitung dan Sarmi bulan Juni 2016 yang diperoleh dari Badan Informasi Geospasial (BIG). Dalam artikel ini, konstanta harmonik pasang surut dihitung menggunakan metode Admiralty.  Analisis menghasilkan 8 konstanta harmonik yang selanjutnya digunakan untuk menentukan bilangan Form dan datum muka air perairan tersebut.  Karakterisasi bilangan Form menunjukkan bahwa wilayah perairan Pamengpeuk dan Sarmi memiliki tipe pasang surut campuran condong harian ganda sedangkan perairan Belitung memiliki tipe pasang surut harian tunggal. Sedangkan karakterisasi datum menggunakan analisis elevasi tinggi muka laut didapatkan hasil pada perairan Pamengpeuk. Belitung, dan Sarmi masing-masing memiliki tinggi muka air tertinggi pada saat pasang purnama yaitu 2,14 m; 3,56 m; dan 3,59 m.  Tinggi muka air terendah pada saat surut purnama masing-masing memiliki nilai 0,32m; 0,39; dan 1,70 m.

 

The determination of a tidal harmonic constant, tidal datum and tidal type are influenced by the location and the positions of the moon and the sun which have specific periods. This research utilized observation tidal data during June 2016 at Pameungpeuk, Belitung and Sarmi waters obtained from Badan Informasi Geospasial (BIG). In this paper, the admiralty method is applied to determine the tidal harmonic constant. Eight harmonic constants obtained and used to determine the Form number and water level datum. The results showed that Pamengpeuk and Sarmi waters have a mixed tide prevailing semidiurnal type while the Belitung waters have a diurnal tide type. The datum characterization determined by analysis of sea-level elevation indicates that the Highest High Water Level (HHWL) values in Pameungpeuk, Belitung and Sarmi waters are 2,14 m, 3,56 m, and 3,59 m, respectively, while the Lowest Low Water Level (LLWL) values are 0,32 m, 0,39 m, 1,7 m, respectively. 

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References

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Published

2019-04-12

How to Cite

Supriyadi, E., Siswanto, S., & Pranowo, W. S. (2019). KARAKTERISTIK PASANG SURUT DI PERAIRAN PAMEUNGPEUK, BELITUNG, DAN SARMI BERDASARKAN METODE ADMIRALTY. Jurnal Meteorologi Dan Geofisika, 19(1), 29–38. https://doi.org/10.31172/jmg.v19i1.518

Issue

Vol. 19 No. 1 (2018)

Section

Article

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