Open Access
Table 3
StD (%; smallest values within 0.5% in bold) of the yearly mean density ratios of the models.
| MSIS00 | JB2008 | DTM2013 | DTM2020 Oper | DTM2020 research | |
|---|---|---|---|---|---|
| CHAMP | 12.9 | 6.3 | 7.0 | 4.1 | 5.9 |
| GRACE | 16.7 | 7.4 | 5.0 | 9.1 | 5.9 |
| GOCE | 4.9 | 3.1 | 1.5 | 1.8 | 1.2 |
| Swarm A | 5.2 | 2.9 | 2.2 | 9.4 | 4.7 |
| Stella | 9.1 | 5.4† | 6.5 | 4.1 | 5.9 |
| Starlette | 7.1 | 4.6 † | 7.1 | 4.9 | 7.5 |
| TLE 250 km* | 10 | 3.0 | 4.4 | 5.4 | 4.7 |
| HASDM 250 km | 11.3 | 12.4 (2.6+) | 5.1 | 7.0 | 4.7 |
| HASDM 400 km | 18.1 | 5.0† (4.5+) | 6.8 | 6.6 | 6.6 |
| HASDM 475 km | 21.5 | 5.9† (5.5+) | 8.3 | 8.0 | 7.7 |
| HASDM 800 km | 5.3 | 11.6† | 12.3 | 7.2 | 9.2 |
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