Table 3 Statistics on the differences between marine gravity field models and NCEI ship-borne gravity data (mGal).

From: SDUST2023GRA_MSS: the new global marine gravity anomaly model determined from mean sea surface model

Area

Model

Max

Min

Mean

STD

RMS

A

SDUST2023GRA_MSS

39.10

−27.64

0.18

4.92

4.92

SIOV32.1

76.90

−54.69

0.30

4.88

4.89

DTU17

70.60

−34.72

0.49

4.87

4.90

B

SDUST2023GRA_MSS

20.77

−22.30

0.08

3.12

3.12

SIOV32.1

46.35

−46.32

0.02

3.25

3.25

DTU17

52.42

−26.53

0.20

3.26

3.26

C

SDUST2023GRA_MSS

99.54

−69.43

0.02

6.27

6.27

SIOV32.1

70.87

−40.97

0.66

7.71

7.74

DTU17

83.40

−32.00

0.51

7.84

7.86

Global

SDUST2023GRA_MSS

99.54

−69.43

0.01

4.31

4.31

SIOV32.1

80.63

−72.29

−0.03

4.24

4.24

DTU17

83.40

−99.35

0.03

4.35

4.35