Observational uncertainties on past and future sea level rise for Marseille and Brest tide gauges
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Key Points
Corrections to time series data reduce uncertainties on estimated sea level rise parameters, indicating strong influences from regional climate indices.
Analysis of tide gauges from 1885 to 2022 shows linear fit models are less capable of capturing sea level variability compared to quadratic fit models.
Quadratic fits reveal a significant drop in Marseille's sea level after WWII, with varying trends of mm/yr before, during, and after the event.
Projections indicate a sea level rise of 20 cm by 2050, consistent with IPCC estimates for defined interpolation periods in both Brest and Marseille.
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Implication
Observational analysis reveals expected sea level rise trends in Marseille and Brest, highlighting the impact of climate indices.