NutrientsPigments

 PI:              Bess Ward
 of:              Department of Ecology and Evolutionary Biology, Princeton University
 dataset:         Nutrients and Pigments
 dates:           2001-01 to 2004-12
 location:        Chesapeake Bay and Sargasso Sea   
 project/cruise:  BAMS/multi
 platforms:       R/V Cape Henlopen, R/V Parker

 
  
 Analysis methods:
    ammonium (NH4), nitrate (NO3), nitrite (NO2), silicate (Si), o-phosphate (o-Phos) - Autoanalysis colorimetry

    PN, PC - Exeter Analytical, Inc. (EAI) CE-440 Elemental Analyzer

    Dissolved free amino acids (DFAA) - fluorescence o-phthalaldehyde method
    (modification of the Parsons et al. (1984) and the Keil and Kirkman (1991))

    Dissolved organic carbon (DOC) - Shimadu 5000A combustion analyzer

    Total dissolved nitrogen (TDN) and total dissolve phosphorus (TDP) - persulfate oxidation technique

    Urea - Enymatic method with detection of ammonium
    (McCarthy, J. J.  1970) and direct conversion method
    (Goeyens, L., N. Kindermans, M. A. Yusuf, and M. Elskens.1998.)

    Chlorophyll - fluorometric


 
 Link to original spreadsheet: NutrientData.xls


 
 Change history: YYMMDD
    070415: contributed by Todd Kana
    081107: added to BCO database; Steve Gegg (sgegg@whoi.edu), BCO DMO
    081119: lat, lon, depth added to data



   Parameter          Description                                          Units

   Site_ID            Sample site ID                                       Text
   Sample_Date        Original spreadsheet formatted sample date           Da-Mon-Yr
   date               BCO-DMO formatted sample date                        YYYYMMDD
   Site_Name          Sample site name                                     Text
   lon                longitude, negative denotes West                     decimal degs
   lat                latitude, negative denotes South                     decimal degs
   depth              Depth of sample                                      meters
   Depth_Loc          Depth location of sample (Surf/Deep)                 Text
   NH4                Ammonium                                             uM
   NO3                Nitrate                                              uM
   NO2                Nitrite                                              uM
   Si                 Silica                                               uM
   o_Phos             o_Phosphate                                          uM
   TDN                Total Dissolved Nitrogen                             uM
   TDP                Total Dissolved Phosphorus                           uM
   PC                 Particulate Carbon                                   uM C
   PN                 Particulate Nitrogen                                 uM N
   PC_to_PN           Ratio of PC to PN                                    dimensionless ratio
   Urea               Urea                                                 uM N
   DFAA               Dissolved free amino acid                            uM
   DOC                Dissolved organic carbon                             uM C
   Chl                Chlorophyll                                          ug/L
   DON                Dissolved Organic Nitrogen                           uM
   DOP                Dissolved Organic Phosphorus                         uM
   total_chl_c3       total chlorophyll c3                                 ug/L
   chl_c2             chlorophyll c2                                       ug/L
   chl_c1             chlorophyll c2                                       ug/L
   chlide_a           chlorophyllide a                                     ug/L
   phide_a            phide a                                              ug/L
   peridinin          peridinin                                            ug/L
   but_fuco           butanoyloxyfucoxanthin                               ug/L
   fuco               fucoxanthin                                          ug/L
   neo                neoxanthin                                           ug/L
   pras               prasinoxanthin                                       ug/L
   viola              violaxanthin                                         ug/L
   hex_fuco           hexanoyloxyfucoxanthin                               ug/L
   diad               diadinoxanthin                                       ug/L
   anthera            anthera                                              ug/L
   allo               alloxanthin                                          ug/L
   myxo               myxoxanthin                                          ug/L
   diato              diatoxanthin                                         ug/L
   zea                zeaxanthin                                           ug/L
   lut                lutein                                               ug/L
   cantha             canthaxanthin                                        ug/L
   gyr_diester        gyroxanthin diester                                  ug/L
   chl_b              chlorophyll b                                        ug/L
   DV_chl_a           divinyl Chlorophyll a                                ug/L
   MV_chla            monovinyl Chlorophyll a                              ug/L
   phytin_a           phytin a                                             ug/L
   carotenes          carotenes                                            ug/L
   total_chl_a       total chlorophyll a                                   ug/L

   nd indicates missing or no data

This document is created from the content of the info file.