poc

 PI:             Jan Newton
 of:             University of Washington
 dataset:        Particulate organic carbon and nitrogen, total particulate carbon
 project/cruise: US JGOFS, EQPAC/TT011
 ship:           R/V Thomas Thompson
 
 Methodology

 EqPac bottle quality review summary from DMO

 DMO Notes:  
     1. bottle numbers revised per Newton phone conv June 6, 1994
     2. bottle and cast numbers revised per Newton e-mail Aug 15, 1994
     3. cast 127, depths 100 and 120: data flagged as questionable


 Parameter     Description                                 Units 

  event        event/operation number from event log
  sta          station number from event log
  cast         CTD cast number from event log
  bot          CTD rosette bottle number
  depth_n      nominal sample depth                        meters
  TPC          total particulate carbon, sample            micromoles/liter
                 non-acidified, units converted by the 
                 US JGOFS Data Management Office
  POC          particulate organic carbon, sample          micromoles/liter
                 acidified, units converted by the 
                 US JGOFS Data Management Office
  PON          particulate organic nitrogen, units         micromoles/liter
                 converted by the US JGOFS Data 
                 Management Office
  TPC_orig     total particulate carbon in units           micrograms/liter
                 originally received from PI
                 (sample non-acidified)
  POC_orig     particulate organic carbon in units         micrograms/liter
                 originally received from PI
                 (sample acidified)
  PON_orig     particulate organic nitrogen in units       micrograms/liter
                 originally received from PI
  C_to_N_orig  carbon nitrogen ratio as originally