Research Article
Superconducting Gravimeter Calibration by CoLocated Gravity Observations: Results from GWR C025
Table 5
Tidal analysis results of the VI and CO gravity time series corrected for ocean load based on load vectors provided by [
13].
| | Ocean model | CO | VI | Difference CO-VI | | (O1) | (O1) [°] | (O1) | κ(O1) [°] | (O1) | (O1) [°] |
| | No corr. | | | | | 0.00002 | − 0.0069 | | CSR4.0 | 1.15319 | −0.0186 | 1.15315 | −0.0131 | 0.00004 | −0.0055 | | DTU10 | 1.15322 | −0.0217 | 1.15316 | −0.0149 | 0.00006 | −0.0068 | | EOT11a |
1.15330
|
−0.0219
|
1.15324
|
−0.0151
|
0.00006
|
−0.0068
| | FES2004 |
1.15369
|
−0.0040
|
1.15364
|
0.0029
|
0.00005
|
−0.0069
| | GOT00.2 |
1.15341
|
−0.0139
|
1.15338
|
−0.0081
|
0.00003
|
−0.0058
| | HAMTIDE |
1.15359
|
−0.0120
|
1.15354
|
−0.0054
|
0.00005
|
−0.0066
| | TPXO.7.2 |
1.15347
|
−0.0098
|
1.15343
|
−0.0050
|
0.00004
|
−0.0048
| | Ave | | | | | | | | Stddev |
0.00019
|
0.0066
|
0.00019
|
0.0066
|
0.00001
|
0.0008
| | Max–min |
0.00050
|
0.0179
|
0.00049
|
0.0180
|
0.00003
|
0.0021
|
| | Ocean model | CO | VI | Difference CO-VI | | [°] | | (M2) [°] | (M2) | (M2) [°] |
| | No corr. | | | | | 0.00006 | 0.0278 | | CSR4.0 | 1.16224 | 0.0256 | 1.16217 | 0.0334 | 0.00007 | −0.0078 | | DTU10 | 1.16193 | 0.0244 | 1.16187 | 0.0294 | 0.00006 | −0.0050 | | EOT11a | 1.16212 | 0.0074 | 1.16205 | 0.0123 | 0.00007 | −0.0049 | | FES2004 | 1.16310 | 0.0403 | 1.16301 | 0.0469 | 0.00009 | −0.0066 | | GOT00.2 |
1.16192
|
0.0125
|
1.16182
|
0.0194
|
0.00010
|
−0.0069
| | HAMTIDE |
1.16206
|
0.0041
|
1.16195
|
0.0110
|
0.00011
|
−0.0069
| | TPXO.7.2 |
1.16174
|
0.0030
|
1.16161
|
0.0128
|
0.00013
|
−0.0098
| | Ave | | | | | | | | Stddev |
0.00045
|
0.0138
|
0.00045
|
0.0135
|
0.00003
|
0.0017
| | Max–min |
0.00136
|
0.0373
|
0.00140
|
0.0359
|
0.00007
|
0.0049
|
|
|
