Dataset: thorium WB bottle

Spatial Extent: N:31.928 E:-64.082 S:29.779 W:-69.41
Project: 
Program: 
Principal Investigator: 
Kenneth O. Buesseler (Woods Hole Oceanographic Institution, WHOI)
BCO-DMO Data Manager: 
Cynthia L. Chandler (Woods Hole Oceanographic Institution, WHOI BCO-DMO)
Version: 
14 July 2008
Version Date: 
2008-07-14
Validated: 
Yes
Current State: 
Final no updates expected
Data URL:
 https://www.bco-dmo.org/dataset/3177/data

Thorium-234 and Uranium-238 from Niskin bottle samples from R/V Weatherbird II WB0409, WB0413, WB0506, WB0508 cruises in the Sargasso Sea, 2004-2005 (EDDIES project)

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Description

Total Thorium-234 and Uranium-238 from Niskin bottle samples taken on all EDDIES WB cruises

 dates:           24 June 2004 to 25 August 2004  (20040624-20050825) 
 location:        N: 31.928  S: 29.779  W: -69.410  E: -64.082 
 project/cruise:  EDDIES/WB0409 2004 Transect 1 (EDT1 or E1)
                  EDDIES/WB0413 2004 Transect 2 (EDT2 or E2)
                  EDDIES/WB0506 2005 Transect 1 (EDT3 or E3)
                  EDDIES/WB0508 2005 Transect 2 (EDT4 or E4)
 platform:        R/V Weatherbird II
 
 
 Methodology: see PI-NOTES file

    also see Chapter 20: Sediment Traps in U.S. JGOFS BATS Method Manual 
    Version 4 (1997).  Bermuda Atlantic Time-Series Study April 1997. 
    Anthony H. Knap, Anthony F. Michaels et al., 136 pp.
    (link to BATS Method Manual version 4 local copy)
    Methods also detailed in Buesseler et al., DSRII 2008: 
    Buesseler, K.O., C. Lamborg, P. Cai, R. Escoube, R. Johnson, S. Pike, 
    P. Masque, D. McGillicuddy and E. Verdeny (2008). Particle fluxes associated
    with mesoscale eddies in the Sargasso Sea. Deep-Sea Research II, 55: 1426-1444.
 
 Change history: YYMMDD
    080703: received original data from K. Buesseler;
    080728: data prepared by Nancy copley (WHOI);
    090806: added to OCB database by Cyndy Chandler, OCB DMO;  
            
 Analysis Note: Thorium-234 data reported in units of dpm/l filtered, 
    with propagated error as % and as +/- error on a dpm/L basis; 
    Uranium-238 reported in units of dpm/L as calculated from salinity from 
    Chen et al., 1986 (*) and described in Buesseler et al., 2008
    CTD locations shown in Figure 1 of Buesseler et al. DSDRII 2008
    (*) Chen, J.H., Edwards, R.L., Wasserburg, G.J., 1986. 238U, 234U and 232Th
        in seawater. Earth and Planetary Science Letters 80, 241-251.
 



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