tco2

 PI:              Frank Millero, Dan O'Sullivan, Univ. of Miami
 dataset:         Total carbon dioxide, total alkalinity and pH
 project/cruise:  Arabian Sea/TTN-054 - Process cruise 7
 ship:            R/V Thomas Thompson
 
 Caution:  The depth, temp and salinity contained in this data set (as
 submitted by the PI) were extracted from the preliminary version of the
 bottle data and are reported here to show what was used in calculating to
 gravametric units.  The final version of bottle data are reported by
 Lou Codispoti.

Methodology


 Parameter   Description                                 Units

 event       event number from event log
 sta         station number from event log
 sta_std     Arabian Sea standard station identifier
 cast        cast number from event log
 bot         CTD rosette bottle number
 depth_n     depth of sample (nominal)                   meters
 sal         salinity (preliminary); PSS-78              dimensionless
 temp        temperature (preliminary)                   degrees C
 pH_sw       pH in sea water, pH scale described in      sea water scale
               DOE CO2 handbook (see Methodology for 
	       complete citation) 
 TALK        Total alkalinity                            micromoles/kilogram
 TCO2        Total carbon dioxide                        micromoles/kilogram
 
 nd indicates missing or bad data