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Tidal Circulation Modeling in Prigi Bay, Indonesia: Hydrodynamic Patterns and Implications for Fisheries-Port Management
Jurnal Geografi · Vol. 18 No. 2 (2026) · hlm. 485–496
- ISSN
- 2549-7057, 2085-8167
- Terbit
- 2026-09-29
- Penerbit
- Universitas Negeri Medan
- Bahasa
- en
Abstrak
Prigi Bay is a semi-enclosed coastal system where tidal hydrodynamics govern circulation patterns and constitute the dominant hydrodynamic forcing within the bay. The purpose of this study is to model tidal circulation characteristics and evaluate their implications for fisheries-port management in Prigi Bay, Trenggalek Regency, East Java, Indonesia. Tidal currents were simulated using the Advanced Circulation (ADCIRC) model and supported by in situ current measurements conducted through purposive sampling and Eulerian observations using current meters, while tidal characteristics were derived using harmonic analysis based on the Admiralty method and model outputs. The results indicate that Prigi Bay has a mixed predominantly semidiurnal tide. Station-representative observed current velocities ranged from 0.10 to 0.34 m s⁻¹, while individual field measurements reached up to 0.50 m s⁻¹. ADCIRC simulations produced current velocities of up to 0.63 m s⁻¹ during the simulated tidal cycle. The Admiralty analysis yielded HHWL at +1.32 m and LLWL at −1.32 m relative to MSL, whereas the ADCIRC simulation produced a maximum water level of +1.15 m and a minimum of approximately −1.09 m during the simulation period. The model showed a mean relative error of 7.18% for tidal elevation, indicating good agreement with field observations. The simulated circulation patterns suggest that the narrow bay entrance and gently sloping bathymetry influence the spatial distribution of tidal currents within the bay. These findings provide a hydrodynamic baseline that can support coastal zoning, navigation planning, and fisheries-port management in Prigi Bay.
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- University of Brawijaya
- Universitas Prof. Dr. Hazairin SH.
- Udayana University
- Universitas Trunodjoyo Madura
- Universitas Jember
- Diponegoro University
- University of Stirling
- Organisasi lain
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| Rekan penulis | Organisasi | Artikel bersama |
|---|---|---|
| Defri Yona | University of Brawijaya | 5 |
| Syarifah Hikmah Julinda Sari | University of Brawijaya | 4 |
| Feni Iranawati | University of Brawijaya | 3 |
| Happy Nursyam | University of Brawijaya | 2 |
| Apri Arisandi | Universitas Trunodjoyo Madura | 2 |
| Mochamad Arif Zainul Fuad | University of Brawijaya | 2 |
| Muhammad Arif Rahman | University of Brawijaya | 2 |
| Nurin Hidayati | University of Brawijaya | 2 |
| Asro Nurhabib | Universitas Prof. Dr. Hazairin SH. | 2 |
| Mimit Primyastanto | University of Brawijaya | 2 |
| Lugu Tri Handoko Handoko | Afiliasi tidak diketahui | 2 |
| Eko Sulkhani Yulianto | Diponegoro University | 1 |
| Marsoedi Marsoedi | University of Brawijaya | 1 |
| Yanida Azhari Julianinda | University of Brawijaya | 1 |
| Zulfan Khaidar | University of Brawijaya | 1 |
| Sonia Putri Maulidya | University of Brawijaya | 1 |
| Sabine Matallana Surget | University of Stirling | 1 |
| Safitri Widya Ningtias | University of Brawijaya | 1 |
| Citra Satrya Utama Dewi | University of Brawijaya | 1 |
| Ruly Isfatul Khasanah | Afiliasi tidak diketahui | 1 |
| Endang Yuli Herawati | Afiliasi tidak diketahui | 1 |
| Nena Yunita | University of Brawijaya | 1 |
| Rarasrum Dyah Kasitowati | University of Brawijaya | 1 |
| Marsoed Marsoed | Universitas Trunodjoyo Madura | 1 |
| Priyanka Mondal | University of Calcutta | 1 |
| Abdullah Hamid | University of Brawijaya | 1 |
| Tsania Humairoh | University of Brawijaya | 1 |
| Maheno Sri Widodo | University of Brawijaya | 1 |
| Andra Rejekining Rahayu | Afiliasi tidak diketahui | 1 |
| Suharun Martudi | Universitas Prof. Dr. Hazairin SH. | 1 |
| Maheno Sriwidodo | Afiliasi tidak diketahui | 1 |
| Andra Rejekineng Rahayu | Afiliasi tidak diketahui | 1 |
| Dedi Pardiansyah | Universitas Prof. Dr. Hazairin SH. | 1 |
| Risnita Tri Utami | Universitas Prof. Dr. Hazairin SH. | 1 |
| I Wayan Arthana | Udayana University | 1 |
| I Gusti Ayu Diah Hendiari | Udayana University | 1 |
| Gde Raka Angga Kartika | Udayana University | 1 |
| Victor Adi Winata | University of Brawijaya | 1 |
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