Description of Variables and Methods

The data file tun1.dat (see File Descriptions in Part 2) in this numeric data package (NDP) contains the following variables: station number, cast number, sample number, bottle number, CTD pressure, CTD temperature, CTD salinity, CTD oxygen, calculated potential temperature, bottle salinity, bottle oxygen, silicate, nitrate, nitrite, phosphate, CFC-11, CFC-12, Δ14C, calculated14C error, TCO2, TALK, and data-quality flags. The station inventory file tun1sta.inv (see Part 2) contains the expedition code, section number, station number, cast number, sampling date (i.e., month, day, and year), sampling time, latitude, longitude, and bottom depth for each station.


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