GLOSS Station Handbook

Station information sheet

GLOSS number115
Station name

Pohnpei, Caroline Is.

CountryFed. Micronesia
Time zone165E, GMT + 11hrs
Latitude (+ve N)6.59
Longitude (+ve E)158.15
Observation period(s)1974-
Responsible countryU.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 contactMicronesia
Committed to GLOSSYes
Location mapView location map for GLOSS station Pohnpei, Caroline Is.
Digital dataYes
Data acquisition rate15 minutes, filtered to hourly values
Fast delivery data at UHSLCDownload h001.dat from UHSLC   Format documentation for UHSLC data
High frequency data at BODCDownload from BODC  Download from BODC   View Pohnpei, Caroline Is. site history   View BODC document #57158  
High frequency data at UHSLCDownload from UHSLC   Download documentation qa001a.dmt from UHSLC   Download from UHSLC   Download documentation qa001b.dmt from UHSLC   Format documentation for UHSLC data
Real-time data availableYes
Real-time data transmitted
to GLOSS Fast Centre
Real-time data plots from UHSLC
Tide gauge benchmarksUSGS 1: standard disk, stamped 'No.1 1969', set in concrete deck at 3ft north of Net P Pier Warehouse (established 1969)
Benchmark relationshipsDatum of data is tide staff zero Datum is 2.477m below USGS 1 (Apr 1990) Datum is 2.903m below UH B-1 (Apr 1990) Datum is 2.518m below UH B-2 (Apr 1990)
Auxiliary benchmarksUH B-1: standard silver disk set in concrete 1.5 ft right of tide gauge house door (established Apr. 1981) UH B-2: standard silver disk set in concrete 21 ft from SE corner of gauge house (established Apr. 1981) UH B3: standard silver disk set in concrete 50 ft from SE corner of gauge house (established Apr. 1981)
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Pohnpei, Caroline Is.
Annual MSL (RLR) plotView annual MSL (RLR) plot for Pohnpei, Caroline Is.
MSL methodaverage of daily values
PSMSL code1370
Other relevant codesUHSLC 001
Additional information 
Other relevant informationBackup gauge on site: Handar encoder ADR (Nov 82-) 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. PSMSL also hold data from another gauge 710/030.
Last updated1993-12-05

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)