INFORMATION FOR BODC SERIES REF. NO. 33982 =============================================================================== Sea Floor Pressure Gauge Inventory Number : 6977 Start Time : 30 Mar 1978 2022 GMT Latitude : 50deg 33.0min N End Time : 15 May 1978 0021 GMT Longitude : 007deg 32.0min W Nominal Cycle Interval : 900.0 secs Sensor Depth : 108.00m Sea Floor Depth : 108.00m Positional Uncertainty : 0.1 to 0.5 n.miles Depth Datum : Instantaneous Project : IOS Celtic Sea Experiment 1978 Data Category : Offshore sea floor pressure series Instrument Type : Tide gauge (unspecified) Instrument Mounting : Sea floor - fixed Originator Laboratory : Proudman Oceanographic Laboratory, Bidston, UK Originator's Identifier : 786/978/089 =============================================================================== Additional information stored with the data: Station F, Celtic Sea. Clock gained 57 seconds over 70 days, 16.75 hours; the cycle interval and time values have been corrected. Instrument characteristics and calibration factors Teleost Pressure Recorder, sensor DIG, serial number 281 Original sampling interval 15 minutes Integration period 900s Temperature coefficient -0.242Hz/degC Pressure sensitivity at 9.03degC 0.04271Hz/mb To convert pressure to elevation the following values should be used: Density (from CTD casts) 1027.1kg/m3 Gravitational acceleration constant 9.811m/s2 Two current meters were also deployed on this rig. ------------------------------------------------------------------------------- The following additional documents apply to this series: 27731; I.O.S. Calibration and Data Processing of Off-Shore Tide Gauge Data 27840; Teleost Pressure Recorder Project Document : 27220