GLOSS Station Handbook

GLOSS Station Handbook – Marion Is.

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 the GLOSS number buttons to view the information. Click column headings to sort the table.

Station information

General
Gloss number20
Station nameMarion Is.
CountrySouth Africa
Time zone030E, GMT + 2hrs
Latitude (+ve N)-46.86666
Longitude (+ve E)37.86666
OceanIndian
Observation periods1990-
Responsible countrySouth Africa
Authority responsible for tide gaugeHydrographer, South African Navy, Private Bag X1, Tokai 7966, South Africa
GLOSS contactSouth Africa
Committed to GLOSSYes
OperationalNo
Instrumentation
FloatNo
PressureNo
BubblerNo
AcousticYes
RadarNo
Data
Digital dataYes
Aditional parametersSea temperature, air pressure
Data acquisition rateOne minute values, averaged every 10 minutes, filtered to hourly heights
Real-time data availableNo
Additional parameters (real-time)None
Benchmarks
Tide gauge benchmarkTrig Survey BM N.R.I.O. 30 adjacent to tide gauge
Benchmark relationshipsTide Gauge Zero (TGZ) = 0.910m below MSL
TGZ = 4.784m below BM N.R.I.O. 30
Additional information
Other relevant informationValues based on GPS have been observed but not finally calculated.
Nearest Met. stationMarion Island
Last updated3 August 1990