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Irwansyah Sukri
Universitas Negeri Makassar
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Detection Of The Thermal Front Using The Cayula-Cornillon Alghorithm: A Case Study Of The State Fisheries Management Area 713, Indonesia Nama Penulis; Muhammad Yusuf; Maddatuang Maddatuang; Abdul Malik; Irwansyah Sukri; Andi Andariana
JURNAL GEOGRAFI Vol. 16 No. 2 (2024): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v16i2.42555

Abstract

Thermal fronts are pivotal in shaping the marine ecosystem, influencing the presence and distribution of marine species. This study delves into the fluctuating patterns of thermal fronts in Indonesian waters, specifically focusing on the State Fisheries Management Area of the Republic of Indonesia, known as WPPNRI, 713. We identified the distribution and frequency of thermal fronts across different monsoon seasons. Utilizing the extended Cayula Cornillon Algorithm “ Single Image Edge Detection (CCA-SIED), we deploy a precise methodology for detecting these fronts, relying on sea surface temperature (SST) gradients to identify specific periods and regions. Our analysis encompasses extensive satellite data collected from Moderate Resolution Imaging Spectroradiometer (MODIS) level 3. Our findings unveil distinct seasonal variations, with a decrease in thermal fronts during the west monsoon and a surge during the east monsoon. Moreover, we identify regional disparities, with denser thermal fronts observed in the southern and middle regions compared to the northern areas. Furthermore, our study underscores the critical need to integrate oceanographic data with fisheries management strategies to address the impacts of climate variability on marine resources. The observed relationships between thermal fronts, nutrient distribution, and fish migration emphasize the necessity for ongoing, localized monitoring to develop adaptive management solutions. This research marks a significant step in characterizing thermal fronts in WPPNRI 713, laying the groundwork for future investigations into other ecologically significant fronts, including those related to chlorophyll, salinity, and nutrients, thereby enhancing our understanding of marine ecosystem dynamics.Keywords: Cayula Cornillon; Fishing Zone; Marine Ecosystem; Sea Surface Temperature; Thermal Fronts
Analisis Kesesuaian Perairan Untuk Keramba Jaring Apung di Sekitar Pulau Saugi Kabupaten Pangkajene dan Kepulauan Sukri, Irwansyah; Arfan, Amal; Juanda, Muhammad Faisal
Jurnal Environmental Science Vol 7, No 2 (2025): April
Publisher : UNIVERSITAS NEGERI MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jes.v7i2.71322

Abstract

Keramba jaring apung (KJA) telah muncul sebagai solusi berkelanjutan untuk akuakultur, mengoptimalkan sumber daya perairan terbuka dengan dampak lingkungan yang minimal. Studi ini menilai kesesuaian perairan di sekitar Pulau Saugi, Sulawesi Selatan, untuk budidaya ikan berbasis KJA. Menggunakan pengukuran kedalaman, kecepatan arus, salinitas, suhu, pH, jenis substrat, dan kejernihan air secara in situ. Metode scoring dan pembobotan diterapkan untuk mengklasifikasikan kesesuaian lokasi ke dalam empat kategori: sangat sesuai (S1), sesuai (S2), sesuai bersyarat (S3), dan tidak sesuai (N). Skor total dikonversi ke dalam persentase untuk menentukan klasifikasi lokasi. Hasilnya menunjukkan bahwa bagian timur Pulau Saugi merupakan daerah yang paling sesuai untuk KJA, dengan skor 79% (S1), sementara bagian utara, selatan, dan barat diklasifikasikan sebagai daerah yang sesuai (S2) dengan skor berkisar antara 60% hingga 69%. Faktor-faktor penentu utama termasuk kedalaman yang optimal, arus yang moderat, kualitas air yang stabil, dan kejernihan air yang tinggi, yang mendukung pertumbuhan fitoplankton dan produktivitas ikan. Variasi suhu, salinitas, dan pH diamati, dengan wilayah timur menunjukkan kondisi yang paling stabil. Studi ini menyoroti pentingnya penilaian lingkungan yang sistematis untuk pemilihan lokasi akuakultur yang berkelanjutan.
Evaluasi Kualitas Airtanah Sebagai Sumber Air Minum Di Sekitar Pabrik Gula Camming Kabupaten Bone Qaiyimah, Dinil; Sukri, Irwansyah; Jeddah Yanti
Jurnal Geografi, Edukasi dan Lingkungan (JGEL) Vol. 9 No. 2 (2025): Edisi Bulan Juli
Publisher : Pendidikan Geografi Universitas Muhammadiyah Prof. Dr. Hamka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jgel.v9i2.16520

Abstract

Groundwater quality is a critical factor in ensuring the availability of safe drinking water for communities. This study aims to evaluate the feasibility of shallow groundwater quality in dug wells around the Camming Sugar Factory. The evaluation results are used to analyze the influence of land use on groundwater quality. This research employs a quantitative method with a descriptive approach. The data obtained are interpreted using a scoring method based on Sturges' rule to classify groundwater quality into several categories. Sampling was conducted to measure the physical, chemical, and biological parameters of shallow groundwater. The results were compared with drinking water quality standards issued by the Ministry of Health of the Republic of Indonesia. The results of the analysis show that the quality of groundwater in Wanuawaru Village is generally safe for human consumption based on physical parameters, with temperatures between 27 and 29°C, color values of 5 to 15 TCU, turbidity of 0.28 to 10.1 NTU, and TDS of around 900 mg/l. However, for chemical parameters, it was found that nitrate levels were below the acceptable limit. Conversely, the iron concentration in Sample 2 exceeded the permissible limit, and water hardness levels in all three samples were significantly higher than the standard. The pH levels fell within the acceptable range for drinking water, and BOD values were well below the threshold. Biological analysis indicated that all samples contained E. coli bacteria exceeding acceptable limits, signaling significant biological contamination. These findings highlight the need for routine monitoring and special attention to iron concentrations and water hardness. Additionally, the implementation of standard-compliant septic tank construction is necessary to prevent bacterial contamination, ensuring that shallow groundwater in the study area meets the standards for drinking water sources.
Co-Authors Abdul Malik Amal Arfan, Amal Andi Andariana Elya Pratiwi Isti Faroh Hasriyanti Hayyun Nadia Jeddah Yanti Juanda, Muhammad Faisal Maddatuang Maddatuang Muhammad Azrul Muin Muhammad Faisal Juanda Muhammad Yusuf Muhammad Yusuf Nama Penulis Nasiah Nasiah, Nasiah Qaiyimah, Dinil Rika Harini Rika Harini Rika Harini Rina Dwi Ariani Rosmini Maru Sudrajat Sudrajat Sudrajat Sudrajat Sukri Nyompa Utia Kafafa