GLOSS Station Handbook – Nauru, Gilbert 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 column headings to sort the station list table. Click the GLOSS number buttons to view the station information.

Station information

General
Gloss number	114
Station name	Nauru, Gilbert Is.
Country	Nauru
Time zone	180E, GMT + 12hrs
Latitude (+ve N)	-0.53333
Longitude (+ve E)	166.9
Ocean	Pacific
Observation periods	1974-
Responsible country	U.S.A.
Authority responsible for tide gauge	Dr. M. Merrifield, University of Hawaii, Dept. of Oceanography, 1000 Pope Road MSB 307, Honolulu, Hawaii 96822, U.S.A.
GLOSS contact	USA
Committed to GLOSS	Yes
Operational	Yes
Instrumentation
Float	Yes
Pressure	No
Bubbler	No
Acoustic	No
Radar	No
Data
Digital data	Yes
Data acquisition rate	15 minute intervals, filtered to hourly values
Fast delivery data at UHSLC	Data 004 File format
High frequency data at BODC	Data 114 Document 77230 Document 57219
High frequency data at UHSLC	Data 004a Data 004b Document 004a Document 004b File format
Real-time data available	Yes
Additional parameters (real-time)	None
Benchmarks
Tide gauge benchmark	UH-1: recessed triangle (steel pin is rusted away), no stamp, located 2ft E of tide well and 1ft from edge of quay (established 01 May 1974)
Benchmark relationships	Datum for levelling is zero of the tide staff established in 1988. Datum is 3.826m below UH-1 (Oct 1989) Datum is 3.595m below UH-2B (Oct 1989) Datum is 6.483m below UH-3B (Oct 1989)
Auxiliary benchmarks	UH-2B: 0.5 inch hex head SS screw set in epoxy with 'BM2B' written in cement, located near crane warehouse wall below harbour masters office. UH-3B: 0.5 inch hex head bolt set in epoxy with 'BM3B' written in cement located on upper curb of Queen's Landing, 50ft S of habour master house. UH-6A: 3/8 inch brass, located on left side of red door, it is the right hand pin of pair. (UH-2B, UH-3B established Aug 1983, UH-6A - Oct. 1989)
Data at PSMSL
Annual MSL (RLR) data	RLR 1844 RLR 1374
Annual MSL (RLR) plot
MSL method	average of daily values
PSMSL code	1844
Other relevant codes	UHSLC 004
Additional information
Other relevant information	Backup gauges on site: 1) Leupold and Stevens (October 1985-) 2) Handar encoder (February 1984-) 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 updated	5 December 1993