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Table 9 Performance of HY-2A-derived bathymetry

From: Assessment of HY-2A GM data by deriving the gravity field and bathymetry over the Gulf of Guinea

Bathymetric difference

Mean (m)

Std (m)

Corr. coefficient

HY-2A–ETOPO1

26.67

185.09

0.9562

HY-2A–SRTM15 + 

12.26

174.55

0.9590

HY-2A–Ship

− 9.78

185.69

0.9568

ETOPO1–Ship

16.41

114.18

0.9826

SRTM15+–Ship

− 1.26

25.86

0.9976