GLOSS Station Handbook

Station information sheet

General                                  
GLOSS number121
Station name

Funafuti, Ellice Is.

CountryTuvalu
Time zone180E, GMT + 12hrs
Latitude (+ve N)-8.38333
Longitude (+ve E)179.21666
OceanPacific
Observation period(s)Float gauge 1977-; Acoustic gauge 1993-
Responsible countryAustralia
Authority responsible
for tide gauge
National Tidal Centre, Australia (see GLOSS Contact Points).
GLOSS contactAustralia
Committed to GLOSSYes
OperationalYes
Location mapView location map for GLOSS station Funafuti, Ellice Is.
Instrumentation 
FloatYes
PressureNo
BubblerNo
AcousticYes
RadarNo
Data
Digital dataYes
Additional parametersBarometric pressure, water and air temperature, wind speed and direction.
Data acquisition rate6 minute intervals
Fast delivery data at UHSLCDownload h025.dat from UHSLC   Format documentation for UHSLC data
High frequency data at BODCDownload g121.zip from BODC   View Funafuti, Ellice Is. site history   View BODC document #58901  
High frequency data at UHSLCDownload h025a.zip from UHSLC   Download documentation qa025a.dmt from UHSLC   Download h025b.zip from UHSLC   Download documentation qa025b.dmt from UHSLC   Format documentation for UHSLC data
Real-time data availableYes
Real-time data transmitted
to GLOSS Fast Centre
Real-time data plots from UHSLC
Additional parameters (real-time)Barometric pressure, water and air temperature, wind speed and direction.
Benchmarks 
Tide gauge benchmarksUH1: 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. .
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Funafuti, Ellice Is.   Download annual MSL (RLR) data for Funafuti, Ellice Is.
Annual MSL (RLR) plotView annual MSL (RLR) plot for Funafuti, Ellice Is.   View annual MSL (RLR) plot for Funafuti, Ellice Is.
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 updated2002-10-16

Related BODC pages

Sea level portal      World Ocean Circulation Experiment (WOCE) — Sea  level
UK Tide Gauge Network     Climate Variability and Predictability (CLIVAR)
GLOSS project page  

 

Related external links

Global Sea Level Observing System (GLOSS)     Permanent Service for Mean Sea Level (PSMSL)
University of Hawai`i Sea Level Centre (UHSLC)  World Ocean Circulation Experiment (WOCE)

 

Permanent Service for Mean Sea Level (PSMSL) Global Sea Level Observing System (GLOSS) Station Handbook Intergovernmental Oceanographic Commission (IOC)