INFORMATION FOR BODC SERIES REF. NO.    34033                  

                                                                                

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                         Sea Floor Pressure Gauge Inventory Number :   6980     

                                                                                

 Start Time : 06 Aug 1979 2122 GMT                  Latitude  :  55deg 27.8min N

 End Time   : 23 Sep 1979 1507 GMT                  Longitude : 006deg 09.8min 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 North Channel Experiment 1979                   

                                                                                

 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  : 793/979/218                                         

                                                                                

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 Additional information stored with the data:                                   

                                                                                

    Station E, North Channel.                                                   

    Clock gained 3 seconds over 62 days, 8.25 hours;  the  cycle  interval  and 

    time values have been corrected.                                            

                                                                                

    Instrument characteristics and calibration factors                          

           Teleost Pressure Recorder, sensor DIG, serial number 280             

           Original sampling interval          15 minutes                       

           Integration period                        900s                       

           Temperature coefficient          -0.927Hz/degC                       

           Pressure sensitivity at 9.647degC   0.183Hz/mb                       

           To convert pressure to elevation the following                       

           values should be used:                                               

           Density (from CTD casts)          1026.05kg/m3                       

           Gravitational acceleration constant  9.815m/s2                       

                                                                                

    A current meter was deployed on this rig, 6m above the tide gauge.          

                                                                                

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 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        :   27217