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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis ILMU KELAUTAN: Indonesian Journal of Marine Sciences KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Jurnal Sumberdaya Akuatik Indopasifik JFMR (Journal of Fisheries and Marine Research) Omni-Akuatika Jurnal Penelitian Pendidikan IPA (JPPIPA) TRITON : Jurnal Manajemen Sumberdaya Perairan Grouper: Jurnal Ilmiah Perikanan Jurnal Inovasi Penelitian Nekton Biofaal Journal Phydagogic : Jurnal Fisika dan Pembelajarannya Pattimura Proceeding : Conference of Science and Technology Mestaka: Jurnal Pengabdian Kepada Masyarakat Jurnal Laut Pulau Aspirasi : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat Journal of Coastal and Deep Sea Balobe: Jurnal Pengabdian Masyarakat Jurnal Perikanan
Simon Tubalawony
Univeritas Pattimura
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Veterinary Other

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Journal : JFMR (Journal of Fisheries and Marine Research)

 1 
STRATIFIKASI DAN STRUKTUR MASSA AIR LAUT BANDA SAAT MUSIM TIMUR: STRATIFICATION AND STRUCTURE OF THE BANDA SEA WATERMASS DURING THE EAST MONSOON AWAYAL, DION DOLLAN; Simon Tubalawony; Yunita A Noya
JFMR (Journal of Fisheries and Marine Research) Vol. 7 No. 1 (2023): JFMR on March
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2023.007.01.4

Abstract

Laut Banda termasuk jalur Arlindo bagian timur, sebagai reservoir sementara massa air, dan merupakan wilayah Upwelling yang bervariasi secara musiman tergantung dari arah musim. Penelitian ini merupakan bagian dari Ekspedisi Jala Citra 2-2022 Banda yang bertujuan untuk mengkaji stratifikasi massa air di Laut Banda. Proses sampling menggunakan CTD Rosette pada 6 Stasiun pengamatan yang meliputi data suhu, salinitas dan densitas. Analisa stratifikasi massa air untuk melihat pelapisan massa air, sedangkan analisa lapisan Gumbar (Core Layers), analisis isopiknal dan analisis diagram TS untuk analisa struktur massa air. Hasil penelitian menunjukan variasi suhu, salinitas dan densitas cukup besar di lapisan permukaan. Pada lapisan termoklin ditemukan massa air dengan salinitas maksimum (Smax) mencapai 34,79 Psu, kisaran suhu 17,09-230C dengan isopiknal 23,99-25,45 Kg/m3 yang berada di kedalaman 106-187 m. Pada lapisan bawah termoklin ditemukan massa air dengan salinitas maksimum (Smax) mencapai 34,81 Psu, kisaran suhu 8,67-12,790C dan isopiknal 26,41-27,01 Kg/m3 dengan kedalaman 230-402 m. Salinitas minimum (Smin) berada pada isopiknal 26,11-26,56 Kg/m3 dengan salinitas mencapai 34,36 Psu di kedalaman 234-324 m dengan kisaran suhu 10,60-12,580C. Lapisan dalam ditemukan massa air dengan kisaran salinitas 33,48-34,74 Psu yang berada di kedalaman 674-1000 m dengan kisaran suhu 4,59-6,940C serta isopiknal >27 Kg/m3. Massa air lapisan termoklin yang memiliki Smax diyakini adalah massa air NPSW. Pada lapisan bawah termoklin merupakan karakter dari massa air SPLTW (Smax) sedangkan massa air yang memiliki Smin adalah massa air NPIW. Pada lapisan yang lebih dalam merupakan karakter dari massa air AAIW.   The Banda Sea, a part of the Eastern Arlindo line which is also an area of upwelling that varies seasonally depending on the season's direction, plays an important role as a temporary reservoir of water masses. This research is part of the Jala Citra 2-2022 Banda Expedition which aims to study the stratification of water masses in the Banda Sea. The sampling process uses CTD Rosette at 6 observation stations which includes temperature, salinity and density data. Water mass stratification analysis is used to see the layering of water mass, while the core layers analysis, isopicnal analysis, and TS diagram analysis is used for water mass structure analysis. The results showed that the variations in temperature, salinity and density are quite large in the surface layer. In the thermocline layer, a mass of water with maximum salinity (Smax) is found reached 34,79 Psu, the temperature range is 17,09-230C with isopicnal 23,99-25,45 Kg/m3 which is at a depth of 106-187 m. At the bottom of the thermocline, a mass of water with maximum salinity (Smax) is found reached 34,81 Psu, the temperature range is 8,67-12,790C and isopicnal 26,41-27,01 Kg/m3 with a depth of 230-402 m. The minimum salinity (Smin) is found at isopicnal 26,11-26,56 Kg/m3 with salinity reaching 34,36 Psu at a depth of 234-324 m with a temperature range of 10,60-12,580C. In the deep layer, water masses are found with a salinity range of 33,48-34,74 Psu at a depth of 674-1000 m with a temperature range of 4,59-6,940C and isopicnal more than 27 Kg/m3. The mass of water in the thermocline layer which has Smax believed to be the NPSW water mass. In the lower layer the thermocline is the character of the SPLTW water mass (Smax) while the mass of water which has Smin is the mass of water NPIW. In a deeper layer is the character of the AAIW water mass.
KAJIAN INTRUSI AIR LAUT DI PESISIR LATUHALAT, KECAMATAN NUSANIWE, KOTA AMBON: STUDY OF SEA WATER INTRUSION ON LATUHALAT COASTAL, NUSANIWE DISTRICT, AMBON CITY Latumeten, Grimaldy Rooy; Simon Tubalawony; Yunita A. Noya
JFMR (Journal of Fisheries and Marine Research) Vol. 7 No. 2 (2023): JFMR on August
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2023.007.02.2

Abstract

Salah satu permasalahan di wilayah pesisir yaitu intrusi air laut yang mempengaruhi kualitas airtanah di daratan. Kondisi ini sementara terjadi di Negeri Latuhalat, dimana masyarakat harus membeli air tawar untuk memenuhi kebutuhan air minum sehari-hari karena air sumur payau yang oleh penduduk setempat disebut salobar. Penelitian ini bertujuan untuk menganalisis tingkat salinitas air tanah dan luasan intrusi air laut di kawasan pesisir Latuhalat. Metode yang digunakan yaitu interpolasi spasial parameter fisika dan kimia serta analisis rasio klorida bikarbonat menggunakan software ArcGIS. Hasil penelitian  menunjukan kondisi pasang surut mengontrol konduktivitas air tanah dan distribusi klorida, dimana nilai konduktivitas dan klorida meningkat seiring dengan meningkatnya elevasi permukaan (pasang banjir). Nilai konduktivitas yang disurvei pada 14 sumur berkisar antara 446 μmhos/cm hingga 3236 μmhos/cm, sedangkan kandungan klorida berkisar antara 50 mg/L hingga 6631 mg/L. Analisis rasio klorida bikarbonat yang ditentukan oleh nilai Revelle Index (RI) mulai dari 0,017 hingga 2,321 menunjukan bahwa intrusi air laut terjadi dari tingkat rendah hingga menengah. Di area pesisir sepanjang 5 km, luasan wilayah yang tidak terintrusi adalah 3,18 km2 (63,6%). Sebaliknya intrusi rendah hingga menengah mencakup area sekitar 1,82 km2 (36,4%). Selain distribusi spasial konduktivitas dan klorida, konsentrasi yang cukup tinggi hanya diamati di Dusun Omputty, diinterpretasikan  pergerakan air laut ke daratan diakibatkan pasang surut air laut memperburuk kualitas airtanah.   One of the problems in coastal areas is seawater intrusion affecting the quality of groundwater on land. This is temporarily happening in Latuhalat Villages, where people need to buy fresh water to occupy their daily drinking water needs because of the brackish well water where locals called it salobar. This study aims to analyze the level of groundwater salinity and the magnitude of seawater intrusion in the Latuhalat coastal area. The method used is an interpolation of physical and chemical parameters and analysis of the bicarbonate chloride ratio using ArcGIS software. The results show that the tidal condition controls the groundwater chloride and conductivity distribution whereby the value of chloride and conductivity increased with the increasing surface elevation (flood tides). The conductivity value surveyed in the 14 wells ranged from 446 μmhos/cm to 3236 μmhos/cm, while the chloride content ranged from 50 mg/L to 6631 mg/L. The analysis of the bicarbonate chloride ratio determined by Revelle Index (RI) values ranging from 0.017 to 2.321 indicated that the seawater intrusion occurred from a low to moderate level. Within the coastal zone with an area of about 5 km, the non-intruded area was 3.18 km2 (63.6%). In contrast, the low-moderate intrusion covers an area of approximately 1.82 km2 (36.4%). In addition to the spatial distribution of conductivity and chloride, sufficiently high concentrations were only observed in Omputty Village. This state was due to the movement of seawater into land evoked by tidal regimes worsening groundwater quality.
Co-Authors Abdulah Basalamah Abrahamsz, James Agustinus Tupamahu Ana Yeti Huwae Damayanto, Moch. Zainuri Degen E Kalay Degen E. Kalay Degen Erasmus Kalay Delly Dominggas Paulina Matruty Edi Kusmanto Erick Sipahelut Eva S. Ratuluhain Fahrul Rozy Fakaubun Fella Gaspersz Frederika S Pello Frijona Fabiola Lokollo Gainau, Johana J. L. Harold J.D. Waas Hiariey, Johanis Hukubun, Wiwien Gaby Huwae, Ana Yeti Imanuel Villian Trayanta Soukotta Intan Buton Irma Kesaulya Junita Supusepa Kalay, Degen E. Krisye Pasanea Latumeten, Grimaldy R Latumeten, Grimaldy Rooy Makailipessy, Marvin Mario Marlin C Wattimena Marlin Chrisye Wattimena Masrikat , Julius AN Masrikat, Julius A. N. Matheos D Sahuleka Muhadjirin Muhadjirin Muthmainnah, Karisma R. Noya, Yunia Anganetjie Noya, Yunita A Noya, Yunita Anganetjie Noya, Yunita Angnetjie Ratuluhain, Eva Susan Retraubun, Alex S W Retraubun, Alex S. W Richard Benny Luhulima Ronald Darlly Hukubun Siahainenia, Laura Sipahelut, Erick Siwasiwan, Moksen Sopalauw, Elvira D Steven Helmus Kakiailatu, Johannis Syauta, Augastio B. Tuahatu, Juliana W. Uneputty, Brian Abraham Salmon Utama, Cipta Valentine Domaris Saleky Waas, Harold J.D Waas, Harold Joppie Davido Wana Paksi, Lalu Mantigi Wattimena, Marlin C. Yulian Yudha Dwi Pamungkas Yunita A Noya Yunita A. Noya Yunita Angnetjie Noya Zalfa Z Buamona