Spherical Harmonic Models of the lithospheric field derived in Comprehensive Inversion chain
Thematic areas: Lithosphere
Applicable missions: Swarm
Applicable spacecraft: Swarm-A, Swarm-B, Swarm-C
Spherical Harmonic Models of the lithospheric field derived in Comprehensive Inversion chain
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(delivered separately)
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| Product identifier | MLI_SHA_2C |
|---|---|
| Definition | Spherical harmonic model of the lithospheric field |
| Input Data | MLI_SHAi2C, MLI_VAL_2_ |
| Input Time Span | All available quiet time observations from the mission |
| Spatial representation | Spherical Harmonics from degree 16 to 150 |
| Time representation | Snapshot |
| Units | nT |
| Resolution | 1 pT |
| Uncertainty | Refer to product quality report |
| Quality indicator | Statistics of data misfits provided in validation report |
| Data volume | ~0.5 MB |
| Data format | ASCII table (SHC) |
| Output Data | Gauss coefficients |
| Output time span | N/A (lithospheric field is considered constant over the analysed time range) |
| Update rate | First after 1 year, updated every year |
| Latency | 1.5 months |
| Notes |
Part of the CI (comprehensive inversion) chain, related to the "CM" model series, see e.g.:
Sabaka, T.J., Tøffner-Clausen, L., Olsen, N. et al. CM6: a comprehensive geomagnetic field model derived from both CHAMP and Swarm satellite observations. Earth Planets Space 72, 80 (2020). https://doi.org/10.1186/s40623-020-01210-5
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