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

Earth, Planets and Space

Table 3 Summary statistics of components of vertical deflection (unit: seconds)

Model	Component	Minimum	Maximum	Mean	Std
HY-2A	ε	− 18.319	19.829	− 0.705	3.444
HY-2A	η	− 23.186	22.998	0.189	4.917
EGM2008	ε	− 20.496	20.063	− 0.685	3.418
EGM2008	η	− 13.267	18.225	0.155	1.849
EIGEN-6C4	ε	− 20.677	19.995	− 0.688	3.439
EIGEN-6C4	η	− 13.693	18.494	0.157	1.867
HY-2A–EGM2008	ε	− 6.052	6.195	− 0.005	1.099
HY-2A–EGM2008	η	− 22.027	19.471	0.021	4.568
HY-2A–EIGEN-6C4	ε	− 6.190	6.170	− 0.004	1.104
HY-2A–EIGEN-6C4	η	− 22.070	19.477	0.021	4.569
EIGEN-6C4–EGM2008	ε	− 0.738	0.600	− 0.002	0.157
EIGEN-6C4–EGM2008	η	− 0.701	0.651	0.001	0.178