mergedbot

  PI:        Jim Murray and Pat Wheeler 
  dataset:   Merged bottle and nutrient data 
  cruise:    EQPAC/TT012 
  ship:      Thomas Thompson 

PI-Notes on Quality (Murray)
PI-Notes (Wheeler)
PI-Notes (Merged Data)
 
 Parameter      Description                              Units

 sta            station number of CTD and bottle cast 
 cast           cast number of CTD bottle cast event
 event          event/operation number from event log
 lat            latitude                                 decimal degrees, negative for south
 lon            longitude                                decimal degrees, negative for west
 date           date (MMDDYY) decoded as MM=month, DD=day, YY=year
 time           time of day in UTC (GMT) as HR:MIN:SEC
 q_code            set by J. Murray, * identifies problems with the data
                   reported at that level. (mis-trips, suspect salinity, etc).
                   See Murray documentation under 'Documentation' link.
 bot            ctd rosette bottle number
 depth          sample depth reported as meters          meters
 press          sample depth reported as pressure        decibars
 temp_ctd       ctd temperature                          deg C
 sal_ctd        ctd salinity                             ppt
 sigma-t_ctd    ctd sigma-t
 potemp_ctd     ctd potental temperature                 deg C
 sigma-0_ctd    ctd potental density                     kg/m^3
 O2_bot         dissolved oxygen (Winkler)               ml/l
 sal_bot        bottle salinity                          ppt	
 NH4            ammonium                                 umols/l
 N03            nitrate                                  umols/l	
 N02            nitrite                                  umols/l
 PO4            phosphate                                umols/l
 SiO4           silicate                                 umols/l
 urea           urea                                     umols/l
 chl_a          chlorophyll-a                            ug/l
 phaeo          total phaeopigments                      ug/l
 Fo_to_Fa       ratio of fluorometer reading before 
                   acidification (Fo) to fluorometer
                   reading after acidification (Fa)
 temp_draw      temperature of the seawater drawn from
                   each Niskin (used to convert O2_bot to
                   O2 in umol/kg)                        deg C 
 O2             dissolved oxygen concentration of
                   seawater                              umols O2/kg 
 
 nd indicates missing or bad data