GLOSS Station Handbook

Station information sheet

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General                                  
GLOSS number128
Station name

Chatham Is.

CountryNew Zealand
Time zone180E, GMT + 12hr 45m
Latitude (+ve N)-43.95
Longitude (+ve E)-176.55
OceanPacific
Responsible countryNew Zealand
Authority responsible
for tide gauge
NZ Ministry of Civil Defence, PO Box 5143, Wellesley St, Auckland, New Zealand
GLOSS contactNew_Zealand
Committed to GLOSSNo
OperationalYes
Location mapView location map for GLOSS station Chatham Is.
Instrumentation 
FloatNo
PressureNo
BubblerYes
AcousticNo
RadarNo
Data
Digital dataYes
Fast delivery data at UHSLCDownload h079.dat from UHSLC   Format documentation for UHSLC data
High frequency data at UHSLCDownload h079a.zip from UHSLC   Download documentation qa079a.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
Benchmarks 
Tide gauge benchmarksUpper of 3 brass pegs set in the sea wall near the root of the Waitangi wharf.
Benchmark relationshipsTide Gauge Zero (TGZ) = 4.65m below upper of 3 brass pegs TGZ = 4.08m below middle of 3 brass pegs TGZ = 3.54m below bottom of 3 brass pegs
Auxiliary benchmarksAux 1. Middle of 3 brass pegs set in the sea wall near the root of the Waitangi wharf Aux 2. Bottom of 3 brass pegs set in the sea wall near the root of the Waitangi wharf
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Chatham Is.
Annual MSL (RLR) plotView annual MSL (RLR) plot for Chatham Is.
MSL methodExtended harmonic analysis
PSMSL code1920
Other relevant codesUHSLC 079
Additional information 
Other relevant informationA gauge has recently been installed at this site for Tsunami Warning project. At this point in time it is not related to any datum. It is hoped to relate the gauge in the near future to datum. Data are transmitted to the Pacific Tsunami Warning Center in Hawaii.
Last updated1993-12-05
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