GLOSS Station Handbook

Station information sheet

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General                                  
GLOSS number265
Station name

Trindade Is.

CountryBrazil
Latitude (+ve N)-20.5
Longitude (+ve E)-29.3
OceanAtlantic
Observation period(s)1974-1990 (Float); Jun 1990- (Pressure)
Responsible countryBrazil
Authority responsible
for tide gauge
Directoria de Hidrografia e Navegacao, Divisao de Servicos Oceanicos, Rua Barão de Jaceguay, s/nº Ponta da Armação – Niterói
GLOSS contactBrazil
Committed to GLOSSYes
OperationalYes
Location mapView location map for GLOSS station Trindade Is.
Instrumentation 
FloatYes
PressureYes
BubblerNo
AcousticNo
RadarNo
Data
Digital dataYes
Additional parametersSea temperature, atmospheric pressure
Data acquisition rateFloat: hourly Pressure: recording at 20 minute intervals, filtered
High frequency data at UHSLCDownload h204a.zip from UHSLC   Download documentation qa204a.dmt from UHSLC   Format documentation for UHSLC data
Real-time data availableNo
Additional parameters (real-time)Sea temperature, atmospheric pressure
Benchmarks 
Tide gauge benchmarksRN-1 - On south-east island's near face near a beacon at Galheta.
Benchmark relationshipsTide Gauge Zero (TGZ) = 21.4 cm below Chart Datum TGZ = 401.1 m below TGBM
Auxiliary benchmarksRN-2: to the west of RN-1, and near to it. It is 224.5 cm above TGBM.
Data at PSMSL 
Annual MSL (RLR) dataYes (Monthly metric data only available)
MSL methodGodin filter
PSMSL code1993
Other relevant codesUHSLC 204
Additional information 
Other relevant informationThe pressure sensor is 58cm below mean sea level.
Nearest Met. station83650 -Ilha de Trindade
Last updated1992-09-26
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