Esperanza (Argentina) Site History

History Summary

Station NameEsperanza
CountryArgentina
Latitude63° 23.7' S
Longitude056° 59.7' W
Time ReferenceGMT (00-23 hours)
GLOSS No.185
ContributorUniversity of Hawaii Sea Level Center
1000 Pope Rd. MSB 317
Honolulu, Hawaii 96822
OriginatorNational Ocean Service (NOS)
National Ocean. and Atmos. Administration (NOAA)
N/OES22
SSMC4, Station 7109
1305 East West Highway
Silver Spring, MD. 20910-3233
Instrument TypeAquatrak acoustic sensor
Due to terrain constraints, the station design had to be modified and the acoustic sensor was installed 45° from the vertical.
Backup SystemsIMO pressure sensor gauge, NOAA Next Generation Water Level Measuring System (NGWLMS)
Two digi-bubblers (very high precision pressure sensors).
Three sensors guarantee the continuity of observations during the period when the water freezes.
Observational Period1996-1998

Tide gauge Benchmark (TGBM) Description

Benchmark bolt inside tide gauge hut adjacent to stilling well.

Auxiliary Benchmarks

Pilar de referencia ubicado en cercauias de la estacion.

Benchmark Relationships

Tide gauge zero (TGZ) = Local Chart Datum
TGZ is 5.45m below TGBM

Datum Information

The sea level heights were originally referred to the zero point assigned to the tide gauge.

Please Note. Original data adjusted by -7000mm to fit the JASL format.

Parameters

PeriodParametersCI%Sample interval
1996ASLVZZ019660 minutes
1997ASLVZZ017060 minutes
1998ASLVZZ016160 minutes

Where:

ASLVZZ01 = Sea Level (metres)

Quality Assessment

All data have been compared with the current Harmonic Constants Library, and residuals checked. Records have been visually inspected for spikes, datum shifts and timing errors.

PeriodParameterMissing dataSuspect data
1996ASLVZZ01001-017None
1997ASLVZZ01195-304None
1998ASLVZZ01164-187,243-365None