Coastal Observatory, Liverpool Bay, Irish Sea National Oceanography Centre website
This site is no longer being maintained.
Please refer data enquiries to the
British Oceanographic Data Centre.

Long term data sets
Fixed locations | Isle of Man



Data provided by Local Government & Environment

IMAGE UNAVAILABLE More information on sea temperature and salinity trends (Cefas)

The Isle of Man is an internally self-governing dependency of the British Crown; it is not part of the UK.

The Isle of Man has a special relationship with the European Union set out in Protocol 3 to the United Kingdom's Treaty of Accession. Under this special relationship the Island is neither a member state nor an associate member of the European Union.

  » Download metadata file (.pdf, 16k,1904-2006)
  » Download metadata file (.pdf, 16k, 2006-2008)


Port Erin Breakwater
Initiated: 1 January 1904.
Variables: Surface sea temperature and salinity.
Frequency: Temperature taken twice a day, salinity taken only once.

Data collected by: Port Erin Marine Laboratory (University of Liverpool).
Methods: Temperature, Meteorological (Sea Ice) Office issue thermometer; Salinity, titration against silver nitrate until 1965, thereafter using inductively coupled salinometers (Autolab salinometer, 6230N Plessey, currently Guildline Portasal).

Other: Until November 1961 temperature was recorded in degrees Fahrenheit; these data have since been converted degress Centigrade.

  » Show data (1904-2005)
  » Show data (2006-2008)


The Cypris DataSets
Initiated: February 1954
Location: 5km west of Port Erin, Isle of Man. 54 05.30(N), 04 50.00(W). Nominal depth 37m.

Variables (with years of initiation and depths): Temperature (1954: 0, 5, 10, 20 and 37 metres); Salinity (1954: 0 and 37 metres); Dissolved Oxygen (1954: 0 and 37 metres); Phosphate (1954: 0 and 37 metres); Nitrate + nitrite (1960: 0 and 37 metres); Silicate, (1958, 0 and 37 metres); Chlorophyll a, (1966: 0 metres).

Frequency: from weekly to once a month depending on season, boat availability and weather.
Data originator and principal investigator: D. John Slinn, Port Erin Marine Laboratory (University of Liverpool).

  » Show data (1954-1991)
  » Show data (1992-2005)
  » Show data (2006-2009)

Back to top of page