C14_dating_sed

 PI:               D.J. DeMaster
 of:               North Carolina State University
 dataset:          C14 ages, sediment cores
 project/cruise:   EqPac/TT013, Benthic survey
 ship:             R/V Thomas Thompson

 Methodology:
 Pope, R.H., D.J. DeMaster, C.R. Smith and H. Seltmann Jr, 1996.  Rapid 
 bioturbation in equatorial Pacific sediments: evidence from excess
 234Th measurements.  Deep-Sea Research II, vol. 43, No. 4-6, pp 1339-1364.

 Summary Tables (MS Excel spread sheet files), as provided by the submitting PI, 
 of core specific radiochemical data and derived sediment accumulation rates 
 can be downloaded. 
 

  Parameter        Description                             Units

  event            event number from event log             dimensionless
  sta              station number from event log           dimensionless
  lat_n            nominal latitude, negative = south      degrees
  lon_n            nominal longitude, negative = west      degrees
  core_type        type and number of core, core type      dimensionless
                     encoded as follows:       
                     BC means box core
                     MC means multi core
  tube_num         tube or subcore number(s) from a multi  dimensionless
                     core device
  depth_core       depth in core, mid-point of interval    centimeters
                     sampled
  depth_r          depth range/interval sampled            centimeters
  CO3_C14_age      carbonate C14 age dating                years
  CO3_C14_age_err  carbonate C14 age dating error          years
  CO3_dC14         carbonate delta C14                     per mil
  CO3_dC14_err     carbonate delta C14 error               per mil