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.