GLOSS Station Handbook

GLOSS Station Handbook – Funafuti, Ellice 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 number121
Station nameFunafuti, Ellice Is.
CountryTuvalu
Time zone180E, GMT + 12hrs
Latitude (+ve N)-8.38333
Longitude (+ve E)179.21666
OceanPacific
Observation periodsFloat gauge 1977-; Acoustic gauge 1993-
Responsible countryAustralia
Authority responsible for tide gaugeNational Tidal Centre, Australia (see GLOSS Contact Points).
GLOSS contactAustralia
Committed to GLOSSYes
OperationalYes
Location map
Instrumentation
FloatYes
PressureNo
BubblerNo
AcousticYes
RadarNo
Data
Digital dataYes
Aditional parametersBarometric pressure, water and air temperature, wind speed and direction.
Data acquisition rate6 minute intervals
Fast delivery data at UHSLCData 025 File format
High frequency data at BODCData 121 Document 77230 Document 58901
High frequency data at UHSLCData 025a Data 025b Document 025a Document 025b File format
Real-time data availableYes
Real-time data transmitted to GLOSS Fast Centre
Additional parameters (real-time)None
Benchmarks
Tide gauge benchmarkUH1: SS disc set in concrete 1ft from SW corner of tide gauge catwalk and 1ft from edge of quay.
Auxiliary benchmarksUH2: SS disc set in concrete stamped 'UH-2' 70ft E of mark UH1, 8 inches from edge of quay and 15ft from NE corner of quay.
UH3: SS disc in the SE corner of ramp approaching the power house 100ft E of quay.
TP1: SS hex bolt set in white epoxy located 190ft N on shoreline road from UH3 & set 12ft E of road & 30ft from NW corner of Ag. Office.
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Data at PSMSL
Annual MSL (RLR) dataRLR 1839 RLR 1452
Annual MSL (RLR) plot
MSL methodHourly means
PSMSL code1839
Other relevant codesNTF port no. 67440, UHSLC 025
Additional information
Other relevant informationBackup gauges on site: 1) Leupold Stevens ADR (August 1986-)
2) Handar Encoder (August 1986-)
Daily values calculated using 119-point convolution filter (Bloomfield, 1976) centred on noon applied to the hourly data with respective periods of the 95, 50 and 5% amplitude points at 124.0, 60.2 and 40.2 hours.
Last updated16 October 2002