The Global Sea Level Observing System

GLOSS Station Handbook

Station information sheet

General
GLOSS number	54
Station name	Esperance
Country	Australia
Time zone	120E, GMT + 8hrs
Latitude (+ve N)	-33.86666
Longitude (+ve E)	121.9
Ocean	Southern
Observation period(s)	Float gauge 1965-; Acoustic 1992-
Responsible country	Australia
Authority responsible for tide gauge	National Tidal Centre, Australia (see GLOSS Contact Points). Department of Transport, Marine Division, PO Box 402, Fremantle, WA 6160, Australia
GLOSS contact	Australia
Committed to GLOSS	Yes
Operational	Yes
Instrumentation
Float	Yes
Pressure	No
Bubbler	No
Acoustic	Yes
Radar	No
Data
Digital data	Yes
Additional parameters	Barometric pressure, water/air temperature, wind speed and direction
Data acquisition rate	6 minute interval
Fast delivery data at UHSLC
High frequency data at BODC
High frequency data at UHSLC
Real-time data available	Yes
Additional parameters (real-time)	Barometric pressure, water/air temperature, wind speed and direction
Benchmarks
Tide gauge benchmarks	A PWD bronze plaque stamped 'TIDAL BM 1972', set in concrete deck at north west end of No. 1 berth.
Benchmark relationships	Tide Gauge Zero (TGZ) = 3.944m below TGBM. TGZ = 0.707m below Australian Height Datum (AHD)
Auxiliary benchmarks	HR4: A PWD bronze plaque in concrete sheet pile copping, No.1 berth. NMV/F/2: Brass rod & identity tag in concrete base of the former front lead beacon. NMV/F/3: Brass rod & identity tag in concrete block at NW corner of silo. ESP33A: A standard L&S survey mark with concrete cover plate in cleared foreshore northwest of tide gauge. Datum for AHD heights = 2.340m AHD Esperence 172 = 64.824m AHD Esperence 173 = 59.831m AHD Esperence 171 = 58.339m AHD Tide Esperence - SEAFRAME Sensor Benchmark = 4.075m AHD Z1/73 = 4.036m AHD
Data at PSMSL
Annual MSL (RLR) data
Annual MSL (RLR) plot
MSL method	Hourly means
PSMSL code	680/446
Other relevant codes	NTF port no. 62080, USHLC 176
Additional information
Other relevant information	Gauge datum was lowered by 0.152m on 1 January 1972. Geocentric measurements: Precise ephemeris, single point doppler fix, (Wireless) 1976. PSMSL also hold data from another gauge at Esperance (PSMSL Code 680/447 1966-1985).
Nearest Met. station	Esperance Met. Office
Last updated	2002-10-16

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