GLOSS Station Handbook – Simonstown
The GLOSS Station Handbook is currently being re-designed and upgraded.
Until a new version is available, the tide gauge station list below from the last version of the Handbook provides links to further details about each tide gauge in the GLOSS Core Network. Click column headings to sort the station list table. Click the GLOSS number buttons to view the station information.
Station information
General | |
---|---|
Gloss number | 268 |
Station name | Simonstown |
Country | South Africa |
Time zone | 030E, GMT + 2hrs |
Latitude (+ve N) | -34.18333 |
Longitude (+ve E) | 18.43333 |
Ocean | Atlantic |
Observation periods | 1957- |
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 | Yes |
Instrumentation | |
Float | Yes |
Pressure | No |
Bubbler | No |
Acoustic | Yes |
Radar | Yes |
Data | |
Digital data | Yes |
Additional parameters | Sea temperature (from 1990), air pressure (from 1990) |
Data acquisition rate | Float/stilling well - digitized hourly. Acoustic meaned values recorded at one minute intervals. |
Fast delivery data at UHSLC | Data 221 File format |
High frequency data at BODC | Data 268 Document 63878 |
High frequency data at UHSLC | Data 221a Document 221a File format |
Data held at national organisation | Yes |
Real-time data available | No |
Additional parameters (real-time) | None |
Benchmarks | |
Tide gauge benchmark | Trig Survey BM 28 G. UTM Grid Reference 34 HBT 641144. |
Benchmark relationships | Tide Gauge Zero (TGZ) = South Africa Chart Datum TGZ = 0.651m below LLD (MSL) until 31 December 1978 TGZ = 0.900m below LLD (MSL) from 01 January 1979 TGZ = 3.663m below BM 28 G |
Data at PSMSL | |
Annual MSL (RLR) data | RLR 826 |
Annual MSL (RLR) plot | |
MSL method | Doodson X0 filter |
PSMSL code | 826 |
Other relevant codes | UHSLC 221 |
Additional information | |
Other relevant information | Values based on GPS have been observed but not finally calculated. |
Nearest Met. station | Cape Town |
Last updated | 11 December 2002 |