sediment

 PI:         Susumu Honjo and Steve Manganini
 dataset:    Sediment trap data, biogenic particle fluxes
 project:    North Atlantic Bloom Experiment  
 ship:       Atlantis II
 cruise:     deployed April 4, 1989 to April 17, 1990

 PI-Notes 


 Parameter      Description                                   Units

 mooring        sediment trap mooring array identifer
 trap           sediment trap number
 lat_n          nominal latitude of sed. trap mooring         whole degrees N
 lon_n          nominal longitude of sed. trap mooring        whole degrees W
 depth_n        nominal depth of sediment trap                meters
 period         originator created sample ID, identifies
                  a specific sampling period during the trap 
	          deployment.
 date_open      date sediment trap opened reported as yyyymmdd
 days           number of days sediment trap open
 mass_f         mass particulate flux                         mg/m2/day
 mass_f_gt1     mass particulate flux, grain size greater     mg/m2/day
                  than 1mm
 mass_f_lt1     mass particulate flux, grain size less        mg/m2/day
                  than 1mm
 CO3_f          total carbonate flux                          mg/m2/day
 Ca_CO3_f       calcium in carbonate flux                     mg/m2/day
 pic_f          particulate inorganic carbon flux             mg/m2/day
 pon_f          particulate organic nitrogen flux             mg/m2/day
 poc_f          particulate organic carbon flux               mg/m2/day
 SiO2_f_tot     total silicate (SiO2) flux                    mg/m2/day
 SiO2_p_f       particulate silicate flux                     mg/m2/day
 SiO2_diss_f    dissolved silicate flux                       mg/m2/day
 Si_opal_f      Silica flux in opal                           mg/m2/day
 P_f_tot        total phosphorus flux                         ug/m2/day
 P_p_f          particulate phosphorus flux                   ug/m2/day  
 P_diss_f       dissolved phosphorus flux                     ug/m2/day
 nd             no data