Dataset: Trace Metals Dissolved
Deployment: TN303

Dissolved trace metals from eastern part of the transect from GO-FLO rosette- version3 (RESTRICTED)
Principal Investigator: 
Kenneth W. Bruland (University of California-Santa Cruz, UC Santa Cruz)
Kenneth W. Bruland (University of California-Santa Cruz, UC Santa Cruz)
Claire P. Till (University of California-Santa Cruz, UC Santa Cruz)
BCO-DMO Data Manager: 
Ms Dicky Allison (Woods Hole Oceanographic Institution, WHOI BCO-DMO)
Current State: 
Final with updates expected
Deployment Synonyms:
 GEOTRACES EPZT,  GEOTRACES East Pacific Zonal Transect (EPZT),  GT13,  325020131025,  GP16
29 Nov 2016
Version Date: 

Dissolved trace metals on the eastern half of the transect (plus a few other locations) in samples taken from the GEOTRACES GO-FLO rosette and filtered through a 0.2 um Acropak capsule filter.

Revision history:
06 May 2016 - these data were updated with new values for some Copper samples.
06 June 2016 - revised again when joined to Master Event File and split into Bottle and Fish columns.
29 November 2016 - replaced values in Fe_D_CONC_BOTTLE column that were less than zero with "BDL" (below detection limit). The following are the negative values originally reported:
GT sample 3560 -- Fe_D_CONC_BOTTLE = -0.05
GT sample 3812 -- Fe_D_CONC_BOTTLE = -0.02
GT sample 3913 -- Fe_D_CONC_BOTTLE = -0.07
GT sample 3998 -- Fe_D_CONC_BOTTLE = -0.02


Updates to this version of the dataset are likely.

Related files and References:

Biller, D. V., and K. W. Bruland (2012), Analysis of Mn, Fe, Co, Ni, Cu, Zn, Cd, and Pb in seawater using the Nobias-chelate PA1 resin and magnetic sector inductively coupled plasma mass spectrometry [ICP-MS], Mar. Chem., 130-131, 12-20, doi:10.1016/j.marchem.2011.12.001.

Boiteau, R. M., C. P. Till, A. Ruacho, R. M. Bundy, N. J. Hawco, A. M. McKenna, K. A. Barbeau, K. W. Bruland, M. A. Saito, D. J. Repeta (2016), Structural Characterization of Natural Nickel and Copper Binding Ligands along the US GEOTRACES Eastern Pacific Zonal Transect, Frontiers in Marine Science, 3, 243, doi:10.3389/fmars.2016.00243. 

Bruland, K.W., E.L. Rue, G.J. Smith, and G.R. Ditullio (2005), Iron, macronutrients and diatom blooms in the Peru upwelling regime: brown and blue waters of Peru, Mar. Chem., 93, 81–103, doi:10.1016/j.marchem.2004.06.011.

Cutter, G. A., and K. W. Bruland (2012), Rapid and noncontaminating sampling system for trace elements in global ocean surveys, Linmol. Oceanogr. Methods, 10, 425- 436, doi:10.4319/lom.2012.10.425.

Heller, M. I., P. J. Lam, J. W. Moffett, C. P. Till, J.-M. Lee, B. M. Toner, M. A. Marcus (2017), Accumulation of Fe oxyhydroxides in the Peruvian oxygen deficient zone implies non-oxygen dependent Fe oxidation, Geochimica et Cosmochimica Acta, 211, 174-193, doi:10.1016/j.gca.2017.05.019.

DMO notes:
took out first column.  put it in header description.
changed 'nodata' to nd
took out 'n/a' in last station; replaced with nd. (illegal character)
changed precision of measurements to reflect PI instructions: 

    Round to one decimal place: Y, Cd, Pb, Co, Ga
    Round to two decimal places: La, Ce, Sc, Mn, Fe, Ni, Cu, Zn
changed variable names to conform to NAT and current GT where applicable
Joined and split into BOTTLE and FISH

More information about this dataset deployment