The Gravities table contains gravity measurements for sources listed in the Sources table. The combination of source, regime, and reference is expected to be unique. Note that gravity is a string constrained from a list of enumerated values (see below table). Columns marked with an asterisk (*) may not be empty.
| Column Name | Description | Unit | Data Type | Key Type |
|---|---|---|---|---|
| *source | Unique identifier for the source | String(100) | primary and foreign: Sources.source | |
| gravity | Gravity value | Enumeration | ||
| *regime | Regime for gravity value | primary and foreign: Regimes.regime | ||
| comments | Free form comments | String(1000) | ||
| *reference | Reference | String(30) | primary and foreign: Publications.reference |
Enumeraions for gravity include:
- alpha
- beta
- gamma
- delta
- beta/gamma
- unknown
- vl-g
- int-g
- fld-g