Kajian Tipe dan Komponen Pasang Surut Di Pantai Sigandu Kabupaten Batang

*Taufiq Hidayat  -  Oceanography Department, Faculty of Fisheries and Marine Science, University of Diponegoro, Indonesia
Warsito Atmodjo  -  Oceanography Department, Faculty of Fisheries and Marine Science, University of Diponegoro, Indonesia
Hariyadi Hariyadi  -  , Indonesia
Heriyoso Setyono scopus  -  Oceanography Department, Faculty of Fisheries and Marine Science, University of Diponegoro, Indonesia
Aris Ismanto scopus  -  Oceanography Department, Faculty of Fisheries and Marine Science, University of Diponegoro, Indonesia
Agus Anugroho Dwi Suryoputro scopus  -  Oceanography Department, Faculty of Fisheries and Marine Science, University of Diponegoro, Indonesia
Received: 1 Nov 2019; Revised: 6 Nov 2019; Accepted: 7 Nov 2019; Published: 7 Nov 2019; Available online: 7 Nov 2019.
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Abstract

Pasang surut adalah peristiwa alam tentang naik turunnya permukaan air laut yang terjadi secara berulang-ulang dan teratur karena adanya gaya gravitasi benda – benda di langit terutama bulan dan matahari terhadap massa air laut di bumi. Karateristik dan peramalan pasang surut dapat diketahui dengan cara perhitungan mengenai data amplitudo dan beda fase yang merupakan komponen pasang surut. Penelitian ini bertujuan untuk mengetahui karateristik pasang surut dengan metode Admiralty dan meramalkan pasang surut dengan menggunakan software WorldTides, Mike21 selama 3 tahun (2017-2019).Penelitian ini dilaksanakan pada tanggal  15 Februari 2017 – 1 Maret 2017 di Perairan Sigandu Kabupaten Batang Jawa Tengah. Data yang digunakan dalam penelitian ini adalah data pasang surut pengamatan pada lokasi penelitian dan koordinat lokasi penelitian. Hasil penelitian dengan mengunakan metode Admiralty menunjukan bahwa tipe pasang surut di Perairan Sigandu Kabupaten Batang Jawa Tengah adalah tipe pasang surut condong harian tunggal dengan nilai Formzahl sebesar 1,88. Nilai Mean Sea Level (MSL) sebesar 78 cm, nilai High Water Level (HWL) sebesar 108 cm, dan nilai Low Water Level sebesar 50 cm.

Kata Kunci: Pasang Surut, Admiralty, Mike21,WorldTides,PantaiSigandu

 

Tidal is a natural events about the ups and downs are natural events about the ups and downs of sea levels that occur repeatedly and regularly due to the gravitational force of objects in the sky, especially the moon and sun against the sea water mass on earth. Characteristic and tidal forecasting can be known by calculation of data amplitude and phase difference which is tidal component. This study aims to determine the characteristics of the tides with Admiralty method and forecast the ups and downs by using WorldTides software, Mike21 for 3 years (2017-2019) .The research was conducted on February 15, 2017 - March 1, 2017 in Sigandu Waters, Central Java Batang Regency. Data used in this research is tidal observation data at research location and coordinate of research location. The results of research using Admiralty method showed that the type of tides in Sigandu Waters of Central Java Batang Regency is a single daily tidal type of tidal with a value of Formzahl of 1.88. Mean Sea Level (MSL) of 78 cm, High Water Level (HWL) of 108 cm, and Low Water Level of 50 cm.

Keywords:Tidal, Admiralty, Mike21, WorldTides, Sigandu Beach

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