ctdsio

  PI:              Robert Williams, Wilford Gardner  
  of:              R. Williams, Scripps Institue of Oceanography
                   W.Gardner, Texas A and M Univ.
  dataset:         High resolution CTD and beam attenuation data
  project/cruise:  North Atlantic Bloom Experiment/119 legs 4 and 5, May 1989  
  ship:            R/V Atlantis II

  Methodology
  CTD and analytical procedures (Williams)
  Beam attenuation (Gardner)
  
  DMO note on calculated depth


  Parameter    Description                                Units

  year         year (as YYYY)                             dimensionless
  leg          NABE cruise leg                            dimensionless
  sta          station number from event log              dimensionless
  cast         cast number, numbered consecutively        dimensionless
                 within station
  event        a unique number assigned to each sampling  dimensionless
                 event, from event log
  lat          latitude, negative = south                 decimal degrees
  lon          longitude, negative = west                 decimal degrees
  depth        depth calculated from pressure             meters
  press        depth of sample reported as pressure       decibars
  temp         temperature IPTS-68                        degrees C
  sal          salinity as calculated from conductivity   dimensionless
                 PSS-78 scale  
  O2           oxygen                                     milliliters/liter
  potemp       potental temperature (calculated by        degrees C
                 R. Williams)                                  
  sigma_0      sigma theta (calculated by R. Williams)    dimensionless
  beam_cp      beam attenuation coefficient due to        1/meter 
                 particles (calculated by W. Gardner)