Cruise inventory

RV Thomas G. Thompson TN303 (EPZT, GP16)

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Thomas G. Thompson (3250)
Cruise identifierTN303 (EPZT, GP16)
Cruise period2013-10-25 — 2013-12-20
StatusCompleted
Port of departureBahia De Manta, Ecuador
Port of returnPapeete, French Polynesia
PurposeResearch
ObjectivesUS GEOTRACES East Pacific Zonal Transect (EPZT), a survey consisting of rosette/CTD casts, McLane in situ pump and 7Be pump casts and a variety of underway measurements. A sea-going science team gathered from 15 oceanographic institutions participated.

Two types of rosette/SBE9plus CTD casts (ODF/30L-Niskin and GT-C/12L-GoFlo) were made at 36 station locations. Deep ODF/30L-Niskin casts included a device suspended 20 meters below the rosette, designed to either take a core sample or pick up particulates from the sea floor. Shallow and deep McLane pump profiles were done at all Full stations, with an additional mid-water profile at Super Stations. An SBE19plus CTD was attached to the end of the McLane wire on all but seven deep pump casts, when it was attached to the ODF rosette instead. Water was pumped and filtered for Beryllium-7 analysis on some stations. Underway samples were also collected for multiple programs, and five ARGO floats were deployed during the eastern half of the cruise for the University of Washington.
Chief scientistChristopher R German (Woods Hole Oceanographic Institution - Geology and Geophysics Department), Gregory A Cutter (Old Dominion University Department of Ocean, Earth and Atmospheric Sciences), James Moffett (University of Southern California, USA)
ProjectGEOTRACES -Trace elements and their isotopes in the water column
Cruise reportRV Thomas G. Thompson TN303 (EPZT, GP16) cruise report thomasgthompson_tn303.pdf — access key 'C' (1.38 MB) 
Ocean/sea areas 
GeneralSouth Pacific Ocean
SpecificEastern tropical Pacific
Track chartsRV Thomas G. Thompson TN303 (EPZT, GP16) cruise track — thomasgthompson_tn303trk.pdf (00 MB) 
Data held at BODC 
Discrete samples 
35  All plastic clean surface pumped supplyDissolved metal concentrations in the water column
Particulate metal concentrations in the water column
Radioactivity in the water column
Particulate total and organic phosphorus concentrations in the water column
78  CTD frame plus rosette samplerDissolved metal concentrations in the water column
Particulate metal concentrations in the water column
Radioactivity in the water column
Stable isotope enrichment in the water column
Particulate total and organic phosphorus concentrations in the water column
72  Dissolved metal concentrations in the water column
Particulate metal concentrations in the water column
Radioactivity in the water column
Stable isotope enrichment in the water column
Particulate total and organic phosphorus concentrations in the water column