This paper investigates the effects of potential future 1m sea level rise (SLR) on the tides in the Pearl River Estuary (PRE) using a validated 2D tidal model based on MIKE21. The results of 1 m SLR scenario indicate that 1) the co-change lines of amplitude and phase are approximately parallel to the coast; 2) the changes of amplitude and phase in K1 and M2 are more significant inside the PRE than that in the adjacent shelf; 3) the rate of amplitudes increasing and phases decreasing in river outlets and the flood-ebb asymmetry inside the PRE could be enhanced due to SLR.

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