Table 2 Trends in the mean sea level and its related components over the large marine regions of the ETAO from 1993 to 2022 as shown in Fig. 1b.

From: Exploring steric sea level variability in the Eastern Tropical Atlantic Ocean: a three-decade study (1993–2022)

Region

Sea level (mm/year)

Steric (mm/year)

Thermosteric (mm/year)

Halosteric (mm/year)

Residual (mm/year)

DAC (mm/year)

Gulf of Guinea (GoG)

3.42 ± 0.12

1.00 ± 0.10

1.30 ± 0.10

− 0.27 ± 0.03

2.58 ± 0.07

0.05 ± 0.03

Senegalo–Mauritanian Upwelling System (SMUS)

2.85 ± 0.10

0.36 ± 0.09

0.34 ± 0.11

− 0.08 ± 0.04

2.59 ± 0.08

0.05 ± 0.03

Namibian-Benguela Upwelling System (NBUS)

3.18 ± 0.06

0.57 ± 0.06

0.76 ± 0.07

− 0.22 ± 0.03

2.71 ± 0.06

0.06 ± 0.04

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