mulvfs

 PI:             James K. Bishop
 dataset:        Multiple Unit Large Volume in situ Filtration System
                        (MULVFS) cast information/LaCie Optical Scanner results
 project/cruise: EQPAC/TT007
 ship:           Thomas Thompson

 Sampling and Analytical Protocol
 PI-Note

 Note: Optical density is a physically defined unit.  Calibration is via a KODAK
      photographic reference grey scale.  0.0 means white; 0.6 is a dark grey.


 Parameter     Description                                            Units 
 
 event         event number from event log 
 sta           station number from event log
 cast          MULVFS cast number
 data_rev      data revison date per Bishop                           YYMMDD
 date_begin    local date filtration began                            YYMMDD
 time_begin    local time at start of filtration                      HHmm
 lat_begin     latitude at time of start of filtration                decimal degrees
                  negative numbers south
 lon_begin     longitude at time of start of filtration               decimal degrees
                  negative numbers west
 depth         corrected depth averaged over cast                     meters
 sample_no     originator assigned sample number
 vol_filt      volume of seawater filtered (at in-situ pressure)      liters
 vol_adsorb    volume of seawater adsorbed by USC                     liters
                  cartridges (see object thorium T.Ku data - TT011)
 od_grey       greater than 53um grey optical density                  OD/m3
 od_red        greater than 53um red optical density                   OD/m3
 od_blue       greater than 53um blue optical density                  OD/m3
 od_green      greater than 53um green optical density                 OD/m3