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All Journal JURNAL ILMIAH PLATAX Jurnal Laut Khatulistiwa Jurnal Pengabdian kepada Masyarakat Nusantara (JPkMN) Barakuda 45
Arie Antasari Kushadiwijayanto
Program Studi Ilmu Kelautan, FMIPA Universitas Tanjungpura
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Environmental Science Physics Social Sciences

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Journal : Jurnal Laut Khatulistiwa

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Kondisi Pasang Surut Air Laut di Pelabuhan Perikanan Nusantara (PPN) Pemangkat, Kalimantan Barat Saadi Saadi; Arie Antasari Kushadiwijayanto; Risko Risko
Jurnal Laut Khatulistiwa Vol 6, No 1 (2023): February 2023
Publisher : Dept. Marine Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/lkuntan.v6i1.58040

Abstract

Pelabuhan Perikanan Nusantara Pemangkat, terletak di Kabupaten Sambas Kalimantan Barat, merupakan pelabuhan perikanan yang berada di WPPN-RI 711. Pelabuhan berada di dalam suatu lingkungan estuary, berjarak 3 km dari muara Sungai Sambas Besar, dan ini menyebabkan dinamika pasang dan surut yang ada di sekitar pelabuhan rumit. Tujuan dari penelitian ini adalah untuk menjelaskan kondisi pasang surut berdasarkan data in-situ. Data yang digunakan dalam penelitian ini adalah data hasil pengukuran pasang surut dan data kecepatan arus yang diukur secara langsung di lapangan. Data diolah menggunakan software t_tide untuk mendapat komponen harmonik pasut. Hasil penelitian ini menunjukkan bahwa tipe pasang surut di daerah ini adalah campuran harian ganda dengan nilai bilangan Fromzahl sebesar 0,83 serta nilai elevasi MSL sebesar 109 cm, HHWL sebesar 189,77 cm, dan LLWL sebesar 28,22 cm. Pola arah arus yang digambarkan pada diagram mawar menunjukkan bahwa pada pola arus memiliki dua arah (bolak-balik) namun cenderung menuju ke muara sungai.
Cycle of Potential Fishing Area of WPP-NRI 711 Year 2011-2020 Septian Surya Pratama; Arie Antasari Kushadiwijayanto; Risko Risko
Jurnal Laut Khatulistiwa Vol 6, No 1 (2023): February 2023
Publisher : Dept. Marine Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/lkuntan.v6i1.58556

Abstract

This study discussed the cycle of potential fishing areas in WPP-NRI 711 based on the distribution of Sea Surface Temperature (SST) and distribution of chlorophyll-a concentration using MODIS Aqua satellite imagery. The distribution of Potential Fishing Areas (PFA) was determined based on the distribution of the thermal front which was processed using MGET (Marine Geospatial Ecology Tools) and chlorophyll-a. Determination of fluctuations and the emergence period of PFA for 10 years (2011-2020) is carried out using wavelets. The results showed that the average SST in WPP-NRI 711 was 29 °C. The highest average SST is 31 °C in May of the Transitional I Season, and the lowest average temperature is 27.9 °C in February of the West Monsoon Season. The average chlorophyll-a concentration was 0.6 mg/m3, the highest average chlorophyll-a concentration was 0.76 mg/m3 in December West Monsoon Season, and the lowest average was 0.53 mg/m3 in October Transitional II Season. The average PFA distribution area is 1.111 km2, the highest average area is 1.324 km2 in the West Monsoon Season, then the lowest area is 924 km2 in the Transitional II Season. Based on global spectrum and wavelet analysis, it is known that the period of the appearance of PFA is 3-6 months or Seasonal. then in the Northern Region segment of WPP-NRI 711, covering the Natuna Sea, the appearance of PFA is strongly influenced by Seasonal current movements. Meanwhile in the southern part, including the Karimata Strait, the emergence of PFA is strongly influenced by river runoff and changing Seasons.
Co-Authors . Apriansyah Adrian Maunala Enjella Enjella Ikha Safitri Madi Juna Permalem Ginting Mega Sari Juane Sofiana Risko, Risko Saadi Saadi Septian Surya Pratama Setra Kusumardana Sukardi Syarif Irwan Nurdiansyah Warsidah Yusuf Arief Nurrahman Zainal Zainal