| Issue |
BIO Web Conf.
Volume 106, 2024
The 5th International Conference on Marine Science (ICMS 2023)
|
|
|---|---|---|
| Article Number | 03010 | |
| Number of page(s) | 11 | |
| Section | Climate Change & Oceanography | |
| DOI | https://doi.org/10.1051/bioconf/202410603010 | |
| Published online | 03 May 2024 | |
Water masses stratification and circulation in the southern part of Banggai Upwelling Region in Maluku Sea
1 IPB University, Marine Science and Technology Department, 16680, Bogor Regency, West Java, Indonesia
2 Research Center for Climate and Atmosphere, National Research and Innovation Agency (BRIN) Bandung, Indonesia
* Corresponding email: fauzannovanryanto@gmail.com
Banggai Waters is in the western Maluku Sea, where the secondary pathway of Indonesian Throughflow passes and seasonal coastal upwelling takes place in this region, providing a high marine productivity and potential fishing ground. This study aims to describe water mass stratification and circulation using CTD casts and SADCP section datasets from the BUDEE cruise in September 2022 onboard RV Baruna Jaya VIII. The results show that mixed layer depth varies between 43-112 m with a mean temperature of 25.82(± 0.88) ºC. North Pacific water origin (NPSW and NPIW) is present in this southern section. The depth of chlorophyll maximum is much shallower in the upwelling center. Furthermore, for the first time, we identified a strong northward flow from the Bote Strait, disrupting Banggai upwelling water with cooler and fresher Banda water. Estimates of northward transport volume through this strait is about 0.531 Sv.
© The Authors, published by EDP Sciences, 2024
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