Table 5 Statistics on the difference between marine gravity anomaly models and ship-borne gravity data at various distances from the coastline (mGal).
From: SDUST2023GRA_MSS: the new global marine gravity anomaly model determined from mean sea surface model
Model | Distances (km) | Number | Max | Min | Mean | STD | RMS |
|---|---|---|---|---|---|---|---|
SDUST2023GRA_MSS | >0 | 6025014 | 99.54 | −69.43 | −0.01 | 4.31 | 4.31 |
>10 | 5851942 | 90.80 | −43.31 | −0.05 | 4.12 | 4.12 | |
>20 | 5655561 | 46.76 | −43.31 | −0.09 | 3.97 | 3.97 | |
>30 | 5463792 | 46.76 | −43.31 | −0.10 | 3.88 | 3.88 | |
>40 | 5278874 | 46.76 | −43.31 | −0.09 | 3.81 | 3.81 | |
>50 | 5098137 | 46.76 | −43.31 | −0.08 | 3.75 | 3.75 | |
DTU17 | >0 | 6025014 | 83.40 | −99.35 | 0.03 | 4.35 | 4.35 |
>10 | 5851942 | 77.02 | −89.09 | −0.08 | 4.03 | 4.03 | |
>20 | 5655561 | 47.51 | −43.81 | −0.13 | 3.81 | 3.81 | |
>30 | 5463792 | 47.51 | −43.81 | −0.14 | 3.74 | 3.74 | |
>40 | 5278874 | 47.51 | −43.81 | −0.14 | 3.69 | 3.69 | |
>50 | 5098137 | 47.51 | −43.81 | −0.12 | 3.64 | 3.64 | |
SIOV32.1 | >0 | 6025014 | 80.63 | −72.29 | −0.03 | 4.24 | 4.24 |
>10 | 5851942 | 70.87 | −66.79 | −0.11 | 3.90 | 3.90 | |
>20 | 5655561 | 49.34 | −58.96 | −0.14 | 3.65 | 3.66 | |
>30 | 5463792 | 49.34 | −43.38 | −0.15 | 3.53 | 3.54 | |
>40 | 5278874 | 49.34 | −43.38 | −0.17 | 3.45 | 3.46 | |
>50 | 5098137 | 49.34 | −43.38 | −0.16 | 3.40 | 3.40 |