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September 18, 2025Geophysical Research LettersOpen Access

Salinity Contribution to Regional Sea Level Trends in the Tropical Southwestern Pacific Ocean Over 2014–2023

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Authors

WLWilliam LlovelCentre National de la Recherche ScientifiqueAHAntoine HochetCentre National de la Recherche Scientifique

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Implication

Analysis shows a negative halosteric sea-level trend in the Tropical Southwestern Pacific, suggesting salinity significantly affects regional sea level trends.

Key Points

  • Halosteric sea-level shows a negative trend, which reduces thermosteric impacts during 2014–2023.
  • Satellite altimetry data reveal a significant salinity impact on sea-level trends in the Tropical Southwestern Pacific.
  • Salinization of the upper 400 m is linked to precipitation deficits and wind-driven wave contributions.
  • Understanding salinity changes is crucial for accurate satellite altimetry data interpretation.

Cite This Study

Llovel et al. (2025) studied this question.

synapsesocial.com/papers/68d463e931b076d99fa632f8https://doi.org/10.1029/2025gl116115
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