Relative and Absolute Sea Level Change Variability in The Palabuhanratu Bay Waters

SLR could affect the waters of Palabuhanratu Bay, which are exposed to the Indian Ocean. Sea levels are rising due to RSL and ASL changes. RSL has increased by 22.86 mm/year based on tidal data for 2013–2022. In contrast, ASL has increased by 4.48 mm/year based on satellite altimetry data for 1992–2...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2023-11, Vol.1275 (1), p.12015
Main Authors: Novita, Eva, Mandini Manessa, Masita Dwi, Patria, Mufti Petala
Format: Article
Language:English
Subjects:
Anomalies
Atmospheric circulation
El Nino
Geological processes
La Nina
Ocean circulation
Ocean currents
Satellite altimetry
Sea level
Sea level changes
Variation
Water circulation
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Summary:SLR could affect the waters of Palabuhanratu Bay, which are exposed to the Indian Ocean. Sea levels are rising due to RSL and ASL changes. RSL has increased by 22.86 mm/year based on tidal data for 2013–2022. In contrast, ASL has increased by 4.48 mm/year based on satellite altimetry data for 1992–2022. The research uses the linear regression method to get the SLR value. According to earlier studies, dynamic change elements connected to alterations in the atmosphere and ocean circulation are typically considered when analyzing sea level variations. This work explores sea-level variations, including dynamic and static changes impacted by geological processes like deformation. Dynamic change factors, such as climate anomalies, ENSO, and IOD, affect these changes. Regarding RSL changes, ENSO has a more decisive influence than IOD, and vice versa for ASL changes. In the La Nina phenomenon and negative IOD phase, RSL and ASL trend changes are enhanced, whereas they are lowered in the El Nino and positive IOD phases. These waters’ sea-level variations are only slightly impacted by local processes, such as VLM. It has a more decisive influence on RSL changes than ASL.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1275/1/012015