th234_pump

 
  PI:              Ken Buesseler
  dataset:         Th-234 in particulate and dissolved phases; POC/PON
  project/cruise:  Arabian Sea/TN050 - Process Cruise 5   
  ship:            Thomas Thompson
  
  PI Notes 
  See Cafe Thorium's Arabian Sea Sampling and Analyses page
     for methodology, summary information and data products.
 
 Parameter         Description                                  Units

  event            event number from event log
  sta              station number from event log
  sta_std          Arabian Sea standard station identifier
  lat              latitude in decimal degrees
  lon              longitude in decimal degrees
  sample           surface=ship's seawater line
                   integrated=in-situ pump (Slurper)
                     integrated over depth range
                   discrete=in-situ pump (Slurper)
                     at one discrete depth
  depth            either surface, discrete depth or            meters 
                     integrated depth range 
  Th234_p_gt53     particulate Th234 activity in the size       dpm/liter
                     fraction greater than 53 microns
  err_p_gt53       error of particulate Th234 activity
                     greater than 53 microns; 1 sigma
  Th234_p_1to53    particulate Th234 activity in the size       dpm/liter
                     fraction between 1 and 53 microns
  err_p_1to53      error of particulate Th234 activity
                     between 1 and 53 microns; 1 sigma
  Th234_d          dissolved Th234 activity                     dpm/liter
  err_d            error of dissolved Th234 activity; 1 sigma
  POC_gt53         particulate organic carbon in the size       umol/liter
                     fraction greater than 53 microns
  POC_1to53        particulate organic carbon in the size       umol/liter
                     fraction between 1 and 53 microns
  PON_gt53         particulate organic nitrogen in the size     umol/liter
                     fraction greater than 53 microns
  PON_1to53        particulate organic nitrogen in the size     umol/liter
                     fraction between 1 and 53 microns