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Institute of Oceanographic Sciences, Bidston Laboratory

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  • This dataset comprises 164 hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, during April - May 1988 from a pre-determined survey grid in the North Sea. A complete list of all data parameters are described by the SeaDataNet Parameter Discovery Vocabulary (PDV) keywords assigned in this metadata record. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory as part of the North Sea Project.

  • This dataset comprises hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, during August 1979. It incorporates measurements for a density survey around moored instrument arrays in the North Channel and on the Malin Shelf. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory.

  • The data set comprises continuous hourly recordings of electrical potential across the Dover Strait, which relate to the flux of water, over the period 1955-1965 and part of 1968-1969, together with parallel measurements of sea temperature and pressure. Voltages on telegraph cables were measured almost continuously by pen recording milliammeters installed at Dover since 1954. The d.c. potential between the inner conductor of the cable and its screen is measured through a 2.2 kohm resistor in series with a milliammeter, whose internal resistance was of order 1 kohm. The screen was earthed at both the English and French ends, and at the French end the conductor is also effectively earthed (through inductive elements) as far as low frequency voltage variations were concerned. Thus the voltage recorded at St. Margaret's Bay is effectively the difference in earth potentials between the particular coastal points in England and France. A 0.003F capacitance in parallel with the milliammeter shunted out voltage variations with time scales less than about half a minute. For calibration, a standard voltage cell was switched in place of the cable on occasions. For parallel measurements of sea temperature (related to conductivity) and local wind conditions, 6-hourly temperatures and barometric pressures from the Noord Hinder Light Vessel, the pressures from the Terschellinger Bank Light Vessel and the 6-hourly pressures from Gorlston (East Anglia) were used. Data for sea salinity at the Varne Light Vessel were extracted from International Council for the Exploration of the Sea (ICES) publications.

  • This dataset comprises hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, during September - October 1979. It incorporates profiles around moored instrument arrays in the North Channel and on the Malin Shelf. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory as part of a density survey.

  • This dataset comprises hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, during May 1978. It incorporates a CTD survey on the stations of a mooring array distributed along three sections from Baginbun to St. Marys, Ilfracombe to Castletownshend and NE to SW from 51.5N, 6.5W to 47.75N, 10.5 W. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory.

  • This dataset comprises hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, during April 1977. It incorporates casts at an array of moored instrument sites in the northern Irish Sea. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory.

  • The dataset comprises 14 hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, from all across the Bristol Channel area and just into the North East Atlantic Ocean (limit 40W) area, during January and February of 1987. A complete list of all data parameters are described by the SeaDataNet Parameter Discovery Vocabulary (PDV) keywords assigned in this metadata record. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory.

  • This dataset comprises hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, during October 1980. It incorporates profiles around moored instrument arrays in the Celtic Sea. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory as part of a density survey.

  • The dataset comprises 35 hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, from across the English Channel, Inner Seas off the West Coast of Scotland, Bristol Channel and the North East Atlantic Ocean (limit 40W) areas specifically the S. Irish Sea and the W. Approaches. The data were collected during March of 1987. A complete list of all data parameters are described by the SeaDataNet Parameter Discovery Vocabulary (PDV) keywords assigned in this metadata record. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory.

  • This dataset comprises hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, during March - April 1978. It incorporates profiles on the stations of a mooring array distributed along three sections from Baginbun to St. Marys, Ilfracombe to Castletownshend and NE to SW from 51.5N, 6.5W to 47.75N, 10.5 W. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory.