tco2

 PI:               Catherine Goyet
 dataset:          Total carbon dioxide and total alkalinity
 project/cruise:   EQPAC/TT012
 ship:             Thomas Thompson

 Methodology:  U.S. JGOFS Equatorial Pacific Process Study 
               Sampling and Analytical Protocols (section 3)


  Parameter     Description                                  Units
 
  sta           station number from event log
  cast          CTD cast number from event log
  bot           CTD rossette bottle number
  event         event number from event log
  press         depth of sample reported as pressure         decibars
  tCO2          total dissolved inorganic carbon             micromoles per kilogram
                  content in 1 kilogram seawater
  talk          total alkalinity of seawater defined as      micromoles per kilogram
                  the number of moles of hydrogen ions
                  equivalent to the excess of proton 
                  acceptors in one kilogram of seawater
  
  nd indicates missing or bad data