Vocabulary
GEBCO Grid Source Data Type Identifier
| URI | http://vocab.nerc.ac.uk/collection/GGT/current/ |
|---|---|
| Description | Source data type information for the data sets used in the generation of the GEBCO Global Grid. |
| Creator | Nippon Foundation-GEBCO Seabed 2030 Project Team |
| Modified | 2025-10-21 |
| Version Info | 3 |
| Identifier | GGT |
| Register Manager | British Oceanographic Data Centre |
| Register Owner | Nippon Foundation-GEBCO Seabed 2030 Project Team |
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Members
| ID ↑ | Preferred Label ↑ | Definition ↑ | Date ↑ |
|---|---|---|---|
| TIN0 | GEBCO_type_identifier_0 | Land | 2019-11-14 |
| TIN10 | GEBCO_type_identifier_10 | Singlebeam - depth value collected by a single beam echo-sounder | 2019-11-14 |
| TIN11 | GEBCO_type_identifier_11 | Multibeam - depth value collected by a multibeam echo-sounder | 2019-11-14 |
| TIN12 | GEBCO_type_identifier_12 | Seismic - depth value collected by seismic methods | 2019-11-14 |
| TIN13 | GEBCO_type_identifier_13 | Isolated sounding - depth value that is not part of a regular survey or trackline | 2019-11-14 |
| TIN14 | GEBCO_type_identifier_14 | ENC sounding - depth value extracted from an Electronic Navigation Chart (ENC) | 2019-11-14 |
| TIN15 | GEBCO_type_identifier_15 | Lidar - depth derived from a bathymetric lidar sensor | 2019-11-14 |
| TIN16 | GEBCO_type_identifier_16 | Depth measured by optical light sensor | 2019-11-14 |
| TIN17 | GEBCO_type_identifier_17 | Combination of direct measurement methods | 2019-11-14 |
| TIN40 | GEBCO_type_identifier_40 | Predicted based on satellite-derived gravity data - depth value is an interpolated value guided by satellite-derived gravity data | 2019-11-14 |
| TIN41 | GEBCO_type_identifier_41 | Interpolated based on a computer algorithm - depth value is an interpolated value based on a computer algorithm (e.g. Generic Mapping Tools) | 2019-11-14 |
| TIN42 | GEBCO_type_identifier_42 | Digital bathymetric contours from charts - depth value taken from a bathymetric contour data set | 2019-11-14 |
| TIN43 | GEBCO_type_identifier_43 | Digital bathymetric contours from ENCs - depth value taken from bathymetric contours from an Electronic Navigation Chart (ENC) | 2019-11-14 |
| TIN44 | GEBCO_type_identifier_44 | Depth value at this location is based on bathymetric depths from multiple sources, including measured and derived data, and included within a gridded data set where interpolation between sounding points is guided by satellite-derived gravity data | 2025-10-20 |
| TIN45 | GEBCO_type_identifier_45 | Predicted based on helicopter/flight-derived gravity data | 2019-11-14 |
| TIN46 | GEBCO_type_identifier_46 | Depth estimated by calculating the draft of a grounded iceberg using satellite-derived freeboard measurement | 2025-10-16 |
| TIN47 | GEBCO_type_identifier_47 | Depth derived from grounded Argo float data | 2025-10-16 |
| TIN70 | GEBCO_type_identifier_70 | Pre-generated grid - depth value is taken from a pre-generated grid that is based on mixed source data types, e.g. single beam, multibeam, interpolation etc. | 2019-11-14 |
| TIN71 | GEBCO_type_identifier_71 | Unknown source - depth value from an unknown source | 2019-11-14 |
| TIN72 | GEBCO_type_identifier_72 | Steering points - depth value used to constrain the grid in areas of poor data coverage | 2019-11-14 |
