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Author: search.filters.author.Ghazali, MuhammadHas files: No

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    Decadal and seasonal oceanographic trends influenced by climate changes in the Gulf of Thailand
    (2025-06-01)
    Lubis, Muhammad Zainuddin
    ;
    Ghazali, Muhammad
    ;
    Simanjuntak, Andrean V.H.
    ;
    Riama, Nelly F.
    ;
    Pasma, Gumilang R.
    Our study investigates the decadal and seasonal variability of sea surface height (SSH) and sea surface temperature (SST) in the Gulf of Thailand (GoT) using data from CMEMS from 1993 to 2021. We employed statistical analyses utilizing GLM and GAM to assess the variables comprehensively. The reveals a significant upward trend in SSH, increasing from ∼0.79 m in 1993–1998 to ∼0.89 m in 2017–2021, highlighting the impacts of climate change. SST analysis revealed fluctuations, with a maximum reaching ∼30.6 °C in 2019–2020, correlating with climatic events such as El Niño. Our study results at station 1 (near Bangkok) showed that the average SSH in 1998 during strong El Niño years was equal to 0.82 m, while the maximum SST was equal to 29.89 °C. Seasonal patterns indicated SSH peaks in DJF and SON at ∼0.92 m, while SST peaked in spring MAM and summer JJA at ∼30.7 °C. Volume transport analysis showed significant variability, with 0.3634 Sv (0–55 m) at longitude 99°E-107° E and latitude 6° N, indicating complex circulation patterns influenced by bathymetry and wind. Time series analysis revealed an average SSH increase of 0.0038 m/year, with a high pseudo-R-squared of 0.99. Our findings underscore the critical influence of climate variability on oceanographic conditions in the GoT, emphasizing the need for ongoing monitoring to address the implications of rising sea levels and temperature fluctuations. In conjunction with increased SSH, the rising SST heightens the risk of flooding in low-lying areas, exacerbating vulnerabilities for local populations and necessitating adaptive management strategies to mitigate these impacts.
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    Development of Geomatics Technology Curriculum for Associate Degree Programs within Project-Based Learning (PBL)
    (2025-01-01)
    Lubis, Muhammad Zainuddin
    ;
    Sari, Luthfiya Ratna
    ;
    Chayati, Siti Noor
    ;
    Rassarandi, Farouki Dinda
    ;
    Irawan, Sudra
    Geomatics technology program has strategically implemented project-based learning (PBL) in its curriculum to improve the quality of learning and prepare competent graduates in the field of geomatics. Student learning outcomes have been aligned with the Indonesian National Qualifications Framework (KKNI) Level 5, which includes capabilities in terrestrial surveying, hydrography, remote sensing, geographic information systems, and cartography. Through the PBL approach, the learning process is designed to develop students' abilities in identifying and solving real problems in the field of geomatics, as well as communicating these solutions effectively. This method encourages the development of student creativity, critical thinking, and collaboration. Alignment of Program Educational Objectives (PEOs) with the institutional mission and industry needs reflects the study program's commitment to providing superior and relevant learning experiences, as well as preparing professional and ethical graduates. The percentage of achievement of PEO and PLOs (Program Learning Outcomes) from 60% in 2019 to almost 80% in 2023, and the increase in the number of students during the period, indicate the success of the educational program in geomatics technology programs. The difference in academic achievement and behavior between the fields of hydrographic surveying (75% achievement, 17% plagiarism, 172 submissions) and oceanography (72.40% achievement, 17.40% plagiarism, 160 submissions) during 2019-2023. Through the implementation of comprehensive and integrated PBL, the geomatics technology program can effectively equip students with the technical competencies, problem-solving skills, and understanding of professional ethics needed to face challenges in the field of geomatics.