sedtrapcarbos

 
 PI:               John Hedges (Hedges/Lee/Wakeham)
 dataset:          Particulate C, N and carbohydrates from moored sediment traps
 project/cruise:   Mooring Deployment EQPAC-1 along 140 West W9201B
 ship:             R/V Wecoma

 PI Notes
 Sampling Protocols
 
 Reference:  Wilford Gardner (Texas A&M University) 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, and eventually published as:

 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.


 Parameters                Descriptions                                   Units

 mooring               mooring identification from
	                  Wecoma Cruise Report
 trap_type             sediment trap type, IRS or NVC 
			 (see PI Notes for more details)
 lat_n                 nominal latitude of mooring in whole             degrees 
	                 degrees (negative = south)
 lon_n                 nominal longitude of mooring in whole            degrees
		         degrees (negative = west)
 depth_t               position of trap in water column                 meters
                         as measured from surface  
 pm_f                  total particulate mass flux defined as amount    mg/m^2/day
			 of sinking particulate matter passing through 
			 a depth level in the water column
 POC                   weight percent of organic carbon in total        percent
                         particulates determined by aqueous 
         		acidification (salt-corrected wt.)
 N_p_tot               weight percent of total nitrogen in total        percent
                         particulates (salt-corrected wt.)
 PIC                   weight percent of inorganic carbon in total      percent
                         particulates determined by deducting POC
	         	 from total particulate carbon (salt-corrected)
 lyxose                weight percent lyxose monomer of                 percent
			 total carbohydrates
 arabinose             weight percent arabinose monomer of              percent
			 total carbohydrates
 rhamnose              weight percent rhamnose monomer of               percent
			 total carbohydrates
 ribose                weight percent ribose monomer of                 percent
			 total carbohydrates
 xylose                weight percent xylose monomer of                 percent
			 total carbohydrates
 fucose                weight percent fucose monomer of                 percent
			 total carbohydrates
 mannose               weight percent mannose monomer of                percent
			 total carbohydrates
 galactose             weight percent galactose monomer of              percent
			 total carbohydrates
 glucose               weight percent glucose monomer of                percent
			 total carbohydrates
 carb_tot_POC_ratio    weight ratio of mg total carbohydrates per       mg per 100mg 
                         100mg of organic carbon in particulate matter