GLOSS Station Handbook
Station information sheet
| General | |
| GLOSS number | 20 |
| Station name | Marion Is. |
| Country | South Africa |
| Time zone | 030E, GMT + 2hrs |
| Latitude (+ve N) | -46.86666 |
| Longitude (+ve E) | 37.86666 |
| Ocean | Indian |
| Observation period(s) | 1990- |
| Responsible country | South Africa |
| Authority responsible for tide gauge | Hydrographer, South African Navy, Private Bag X1, Tokai 7966, South Africa |
| GLOSS contact | South_Africa |
| Committed to GLOSS | Yes |
| Operational | No |
| Instrumentation | |
| Float | No |
| Pressure | No |
| Bubbler | No |
| Acoustic | Yes |
| Radar | No |
| Data | |
| Digital data | Yes |
| Additional parameters | Sea temperature, air pressure |
| Data acquisition rate | One minute values, averaged every 10 minutes, filtered to hourly heights |
| Real-time data available | No |
| Additional parameters (real-time) | Sea temperature, air pressure |
| Benchmarks | |
| Tide gauge benchmarks | Trig Survey BM N.R.I.O. 30 adjacent to tide gauge |
| Benchmark relationships | Tide Gauge Zero (TGZ) = 0.910m below MSL TGZ = 4.784m below BM N.R.I.O. 30 |
| Additional information | |
| Other relevant information | Values based on GPS have been observed but not finally calculated. |
| Nearest Met. station | Marion Island |
| Last updated | 1990-08-03 |
