GLOSS Station Handbook

Station information sheet

GLOSS number265
Station name

Trindade Is.

Latitude (+ve N)-20.5
Longitude (+ve E)-29.3
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
Location mapView location map for GLOSS station Trindade Is.
Digital dataYes
Additional parametersSea temperature, atmospheric pressure
Data acquisition rateFloat: hourly Pressure: recording at 20 minute intervals, filtered
High frequency data at UHSLCDownload 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
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

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)