Analysis of MetOcean Changes in the Coastal Waters Surrounding Paiton Coal-Fired Power Plant, East Java

Authors

  • Harry Slamet Setiawan Earth Sciences Master Program, Faculty of Earth Sciences and Technology, Bandung Institute of Technology, Indonesia
  • Putri Mutianingsih Earth Sciences Master Program, Faculty of Earth Sciences and Technology, Bandung Institute of Technology, Indonesia
  • Zuhda Nur Prabowo Earth Sciences Master Program, Faculty of Earth Sciences and Technology, Bandung Institute of Technology, Indonesia
  • Lamona Irmudyawati Irmudyawati Bernawis Earth Sciences Master Program, Faculty of Earth Sciences and Technology, Bandung Institute of Technology, Indonesia
  • Andi Egon Earth Sciences Master Program, Faculty of Earth Sciences and Technology, Bandung Institute of Technology, Indonesia

Keywords:

metocean, cfpp, sea surface temperature, wind, wave, enso, iod, monsoon

Abstract

The Paiton Coal-Fired Power Plant (CFPP), located on the northern coast of East Java, Indonesia, has been operational since 1994 and is suspected of influencing the surrounding coastal environment. This study analyzes changes in MetOcean parameters, including sea surface temperature (SST), wind patterns, and wave characteristics, in the Paiton coastal area between 1993 and 2024. Results indicate a clear seasonal variation in SST following the Indonesian monsoon cycle, with warmer temperatures during the rainy season and lower temperatures during the dry season due to coastal upwelling. A warming trend of approximately 0.0178°C per year has been identified, with additional increases possibly linked to thermal discharges from the plant's cooling system. Wind analysis shows a dominant flow from the east to southeast during the dry season, with speeds of 2–3 m/s, influencing evaporation rates and corrosion risks for infrastructure. Wave data reveal that most waves are locally generated, with heights between 0.2 and 0.4 meters, and only rare occurrences of waves exceeding 0.4 meters. These oceanographic dynamics collectively affect the operational efficiency and cooling performance of the CFPP. Continuous oceanographic monitoring and integrated environmental management are essential to support the sustainable operation and long-term resilience of coastal power generation facilities.

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Published

2025-10-29

How to Cite

Setiawan, H. S., Mutianingsih, P., Nur Prabowo, Z., Irmudyawati Bernawis, L. I., & Egon, A. (2025). Analysis of MetOcean Changes in the Coastal Waters Surrounding Paiton Coal-Fired Power Plant, East Java . ITB Graduate School Conference, 5(1), 223–237. Retrieved from https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/640

Issue

Vol. 5 No. 1 (2025): The 6th IGSC 2025

Section

Articles

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