sed_comp

 PI:              Warren Prell
 of:              Brown University
 dataset:         Sediment Composition
 project/cruise:  Arabian Sea
 ship:            R/V Thomas Thompson

 PI Notes and Methodology
 
 Some additional undocumented information was submitted 
 with this data and is available for download as Excel files:
 -- core meta data
 -- fauna flux data
 -- C14 data for G.menardii and G.sacculifer


 Parameter       Description                              Units

 site            Arabian Sea site designation
 core_id         core identification
 lat             latitude                                 decimal degrees
 lon             longitude                                decimal degrees
 depth_w         ocean depth                              meters
 depth_core      average depth (from core top)            centimeters
                 of sediment sampling interval.
                 -1 to 0 interval refers to
                 unconsolidated phytodetritus layer
 depth_core_sd   standard deviation of interval           centimeters
 Si_opal         opal                                     percent
 CaCO3           calcium carbonate                        percent
 CaCO3_ICP       calcium carbonate by ICP                 percent
 C_org           organic carbon                           percent
 N               nitrogen                                 percent
 Al              aluminum                                 percent
 Fe              iron                                     percent
 Ti              titanium                                 percent
 Mn              manganese                                percent
 P               phosphorus                               percent
 density         calculated from dried weight             grams per cubic centimeter
                 of known volume
 C14_sed_rate    sedimentation rate estimated             centimeters per 1000 years
                 from C14 dating of forams
 C14_sed_rate_2  sedimentation rate estimated             centimeters per 1000 years
                 from C14 dating of forams
                 (G. sacculifer only for JGOFS-1)