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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Mukti Trenggono
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Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Library & Information Science

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ALTERNATIF PENGUKURAN KONSENTRASI OKSIGEN TERLARUT DI LAUT INDONESIA BAGIAN BARAT PADA MUSON TENGGARA Hamzah, Faisal; Teguh Agustiadi; Mukti Trenggono; Eko Susilo; Iis Triyulianti
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 14 No. 3 (2022): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v14i3.41076

Abstract

Pengukuran oksigen terlarut dengan metode Winkler memiliki kelemahan, namun bisa diatasi dengan metode spektrofotometri. Tujuan dari penelitian ini adalah mengukur konsentrasi oksigen terlarut berdasarkan metode spektrofotometri di bagian barat laut Indonesia pada muson tenggara Juni 2015. Konsentrasi oksigen diukur berdasarkan hukum Lambert-Beer dengan panjang gelombang 466 nm. Hasil pengukuran menunjukkan bahwa konsentrasi oksigen tinggi di bagian barat Selat Karimata dan rendah pada bagian tengah selat yang dimungkinkan karena tingginya proses oksidasi bahan organik dan respirasi. Konsentrasi oksigen cenderung seragam di seluruh kolom air Laut Jawa bagian barat, hal tersebut mencerminkan proses pencampuran sempurna. Konsenstrasi yang sama juga terlihat jelas pada lapisan permukaan di Selat Sunda dan berkurang dengan bertambahnya kedalaman. Laut Indonesia bagian barat cenderung supersaturasi pada lapisan permukaan dan mengindikasikan adanya pertukaran yang cepat antara oksigen pada lapisan permukaan air laut dengan atmosfer. Hasil korelasi pengukuran oksigen antara metode spektrofotometri dan sensor menunjukkan hubungan yang baik sehingga dapat dijadikan alternatif dalam mengukur konsentrasi oksigen terlarut dan dapat digunakan pada berbagai rentang konsentrasi oksigen yang luas di wilayah laut, air tawar, dan pesisir.
Spatial distribution of micronutrients in Pekalongan coastal waters: water quality and environmental impact assessment Roy Andreas; Intan Megasari; Bayu Tricahyo; Mukti Trenggono; Michael Julian Haryanto
Depik Vol 14, No 1 (2025): MARCH 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.1.42741

Abstract

The coastal areas of Pekalongan, which are densely populated with activities such as ports, industries, and settlements, are highly vulnerable to changes in water quality due to nutrient distribution. This study aims to explore the distribution patterns and abundance of micronutrients in Pekalongan coastal and their implications for water quality and environmental impacts. Samples were taken from Mrican River, Pencongan River, and Wonokerto Beach. The analysis involved spatial distribution, statistical tests with Principal Component Analysis (PCA), and water quality assessment using CCME-WQI. The results showed that the highest concentrations of micronutrients were found in iron in RW 6 of Mrican River, copper in SW 4 of Wonokerto Beach, and zinc in SW 5 of Wonokerto Beach. Based on the CCME-WQI, the quality of Pekalongan coastal waters is classified as poor, potentially posing a great risk to aquatic biota and the health of humans who consume polluted biota. These findings underscore the urgency of taking mitigation measures against micronutrient contamination in coastal areas.Keywords:Pekalongan CoastSpatial DistributionMicronutrientWater QualityCoastal Waters
Spatial distribution of micronutrients in Pekalongan coastal waters: water quality and environmental impact assessment Roy Andreas; Intan Megasari; Bayu Tricahyo; Mukti Trenggono; Michael Julian Haryanto
Depik Vol 14, No 1 (2025): MARCH 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.1.42741

Abstract

The coastal areas of Pekalongan, which are densely populated with activities such as ports, industries, and settlements, are highly vulnerable to changes in water quality due to nutrient distribution. This study aims to explore the distribution patterns and abundance of micronutrients in Pekalongan coastal and their implications for water quality and environmental impacts. Samples were taken from Mrican River, Pencongan River, and Wonokerto Beach. The analysis involved spatial distribution, statistical tests with Principal Component Analysis (PCA), and water quality assessment using CCME-WQI. The results showed that the highest concentrations of micronutrients were found in iron in RW 6 of Mrican River, copper in SW 4 of Wonokerto Beach, and zinc in SW 5 of Wonokerto Beach. Based on the CCME-WQI, the quality of Pekalongan coastal waters is classified as poor, potentially posing a great risk to aquatic biota and the health of humans who consume polluted biota. These findings underscore the urgency of taking mitigation measures against micronutrient contamination in coastal areas.Keywords:Pekalongan CoastSpatial DistributionMicronutrientWater QualityCoastal Waters
Co-Authors Bayu Tricahyo Eko Susilo Faisal Hamzah Iis Triyulianti Intan Megasari Michael Julian Haryanto Roy Andreas Teguh Agustiadi