Data



Data Notes



Extracted from Database

20 May 2019

CHATHAM ISLAND

Station Information

Station ID: 1920
Latitude: -43.94628
Longitude: -176.56116
GLOSS ID: 128
Coastline code: 690
Station code: 401
Country: NEW ZEALAND
Time span of data: 2001 – 2010
Completeness (%): 77
Link to ellipsoid: Available
Date of last update: 17 Nov 2010

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at CHATHAM ISLAND.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at CHATHAM ISLAND.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution.
NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: CHTI, OWNG, CHAT, OWMG
Fast Delivery Data from UHSLC station 79: hourly and daily
Research Quality Data from UHSLC station 79: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 2003-01-17

New data from John Hannah added 17/01/03 which supercedes old data.
New data does not have any missing days information.
Old data has been backed up.

Documentation added 2003-01-17

New data from John Hannah was for Auckland II, Dunedin II,
Lyttelton II and Wellington II.

Documentation added 2005-10-17

There is a new John Hannah paper referring to New Zealand data for
Wellington, Dunedin, Lyttelton and Auckland. The reference is:
"An updated analysis of long-term sea level change in New Zealand."
Geophysical Research Letters, V31, L03307, doi:10.1029/2003GL019166
(2004).

Documentation added 2005-11-07

Chatham Island 690/401 RLR(2001) is 9.65m below TGBM upper brass peg

Documentation added 2010-11-17

The complete dataset 2001-Sept. 2010 supplied by UHSLC. After comparing these
with existing data values these data have been loaded onto the database. RLR
remains 5.000m.

Data Authority

University of Hawaii
Department of Oceanography Division of Natural Sciences
1000 Pope Road
Honolulu
Hawaii 96822