carbFST

 PI:             John Hedges (Hedges/Lee/Wakeham)    
 dataset:        Particulate C, N and carbohydrates from floating sediment traps 
 project/cruise: EQPAC/TT007
 ship:           Thomas Thompson

 Sampling Protocols
 
 References:  Sediment Trap Technology and Sampling in Surface Waters 
 by Wilford Gardner (Texas A&M University), a report on the use of sediment
 traps in upper 200m of the water column originally written as minutes for the 
 meeting on the subject at the First International JGOFS Symposium held in 
 Villefranche-sur-Mer, France in May, 1995.

 Gardner, W. D., 2000. Sediment Trap Technology and Sampling in Surface Waters 
 In: Hanson, R. B., Ducklow, H.W., and Field, J.G., The Changing Ocean Carbon Cycle:
 A midterm synthesis of the Joint Global Ocean Flux Study. pp 240-281. 
 Cambridge University Press, U.S. JGOFS Contribution No. 362.


 Parameter             Description                                   Units 

 sta                   station number from event log
 lat_n                 nominal latitude of mooring in whole          degrees 
                         degrees (negative = south)
 lon_n                 nominal longitude of mooring in whole         degrees
                         degrees (negative = west)
 event                 event/operation number from event log
 depth_t               depth of trap                                 meters
 pm_f                  total particulate mass flux; amount of        mg/m^2/day
                         sinking particulate matter passing 
			 through a depth level in the water column
 POC                   organic carbon in total particulates          weight percent
                         determined by aqueous acidification 
			 (salt-corrected wt.)
 N_p_tot               total nitrogen in total particulates          weight percent
                         salt-corrected wt.)
 PIC                   inorganic carbon in total  particulates       weight percent
                         determined by deducting POC from total 
			 particulate carbon (salt-corrected)
                         
 lyxose                lyxose monomer of total carbohydrates         weight percent
 arabinose             arabinose monomer of total carbohydrates      weight percent
 rhamnose              rhamnose monomer of total carbohydrates       weight percent
 ribose                ribose monomer of total carbohydrates         weight percent
 xylose                xylose monomer of total carbohydrates         weight percent
 fucose                fucose monomer of total carbohydrates         weight percent
 mannose               mannose monomer of total carbohydrates        weight percent
 galactose             galactose monomer of total carbohydrates      weight percent
 glucose               glucose monomer of total carbohydrates        weight percent
 carb_tot_POC_ratio    weight ratio of mg total carbohydrates per    mg per 100mg 
                         100mg organic carbon in particulate matter
 
 nd indicates missing or bad data