sampling_year 
Year of sampling

unitless 
year 
location 
Sampling location

unitless 
sta_name 
latitude 
Latitude of sampling location

decimal degrees, south is negative 
lat 
longitude 
Longitude of sampling location

decimal degrees, west is negative 
lon 
sample_date 
sample date in ISO format (UTC time)

unitless 
ISO_DateTime_UTC 
DIC_conc 
Dissolved Inorganic Carbon concentration of water sample

mmol/kg (millimolar) 
DIC 
delta_13C_DIC 
delta 13C (d13C) is the ratio of stable isotopes 13C:12C relative to the PeeDee Belemnite standard

parts per thousand, per mil (‰) 
d13C_DIC 
delta_13C_DIC_error 
d13C measurement error

parts per thousand, per mil (‰) 
d13C 
delta_14C_DIC 
Delta^14C (D14C)/Radiocarbon is the per mil deviation of 14C/12C ratio relative to the standard of 1950 atmospheric 14C concentration, normalized to a d13C of 25 per mil

parts per thousand, per mil (‰) 
14C 
delta_14C_DIC_error 
D14C measurement error

parts per thousand, per mil (‰) 
no_bcodmo_term 
DIC_NOSAMS_accession_number 
Radiocarbon DIC sample ID (National Ocean Sciences Accelerator Mass Spectrometry (NOSAMS) facility accession number)

unitless 
sample 
DOC_conc 
Dissolved Organic Carbon concentration of water sample

micromole (µM) 
DOC 
delta_13C_DOC_original 
delta 13C (d13C) is the ratio of stable isotopes 13C:12C relative to the PeeDee Belemnite standard originally reported by NOSAMS

parts per thousand, per mil (‰) 
d13C 
delta_13C_DOC_original_error 
d13C measurement error

parts per thousand, per mil (‰) 
no_bcodmo_term 
Delta_14C_DOC_original 
Delta^14C (D14C)/Radiocarbon is the per mil deviation of 14C/12C ratio relative to the standard of 1950 atmospheric 14C concentration, normalized to a d13C of 25 per mil originally reported by NOSAMS

parts per thousand, per mil (‰) 
14C 
Delta_14C_DOC_original_error 
D14C measurement error originally reported by NOSAMS

parts per thousand, per mil (‰) 
no_bcodmo_term 
DOC_NOSAMS_accession_number_original 
Radiocarbon DOC sample ID (NOSAMS accession number) for original values

unitless 
sample 
delta_13C_DOC_corrected 
delta 13C (d13C) is the ratio of stable isotopes 13C:12C relative to the PeeDee Belemnite standard, corrected value reported by NOSAMS

parts per thousand, per mil (‰) 
d13C 
delta_13C_DOC_corrected_error 
d13C measurement error

parts per thousand, per mil (‰) 
no_bcodmo_term 
Delta_14C_DOC_corrected 
Delta^14C (D14C)/Radiocarbon is the per mil deviation of 14C/12C ratio relative to the standard of 1950 atmospheric 14C concentration, normalized to a d13C of 25 per mil corrected value reported by NOSAMS

parts per thousand, per mil (‰) 
14C 
Delta_14C_DOC_corrected_error 
D14C measurement error originally reported by NOSAMS

parts per thousand, per mil (‰) 
no_bcodmo_term 
DOC_NOSAMS_accession_number_corrected 
Radiocarbon DOC sample ID (NOSAMS accession number) for corrected values

unitless 
sample 