thorium_LV_WB

Dataset description

 dates:           24 June 2004 to 25 August 2005  (20040624-20050825)            
 location:        N: 31.761  S: 29.779  W: -69.410  E: -64.082 
 project/cruise:  EDDIES/WB0409 2004 Transect 1 (EDT1)
                  EDDIES/WB0413 2004 Transect 2 (EDT2)
                  EDDIES/WB0506 2005 Transect 1 (EDT3)
                  EDDIES/WB0508 2005 Transect 2 (EDT4)
 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: Data collected using McLane style in-situ battery powered pumps;
    Thorium-234 data reported in units of dpm/l filtered, with propagated error
    as % and as +/- error on a dpm/L basis; Samples passed through 142mm diameter
    53 micron screen followed by 1 micron nominal pore size quartz filter. 
    Summary of pump cast data, position and closest CTD in space and time in
    Table 2 of Buesseler et al. DSRII 2008
 

Acquisition description

Processing description

1. Large Volume Pumping System:

This document is created from the content of the BCO-DMO metadata database.    2009-11-22  09:34:02