Cruise_id 
Cruise identifier

unitless 
cruise_id 
Bottle 
Bottle number

unitless 
bottle 
Station 
Station number

unitless 
station 
Depth 
Sample depth

meters (m) 
depth 
Ni_60_58_UF_DELTA_BOTTLE 
d60/58Ni in seawater (<0.02 µm)

per mil 
Ni 
SD1_Ni_60_58_UF_DELTA_BOTTLE 
One standard deviation of Ni_60_58_UF_DELTA_BOTTLE

per mil 
Ni 
Cd_114_110_UF_DELTA_BOTTLE 
d114/110Cd in seawater (<0.02 µm)

per mil 
Cd 
SD1_Cd_114_110_UF_DELTA_BOTTLE 
One standard deviation of Cd_114_110_UF_DELTA_BOTTLE

per mil 
Cd 
Fe_56_54_UF_DELTA_BOTTLE 
d56/54Fe in seawater (<0.02 µm)

per mil 
Fe 
SD1_Fe_56_54_UF_DELTA_BOTTLE 
One standard deviation of Fe_56_54_UF_DELTA_BOTTLE

per mil 
Fe 
Zn_66_64_UF_DELTA_BOTTLE 
d66/64Zn in seawater (<0.02 µm)

per mil 
Zn 
SD1_Zn_66_64_UF_DELTA_BOTTLE 
One standard deviation of Zn_66_64_UF_DELTA_BOTTLE

per mil 
Zn 
Ni_60_58_TD_DELTA_BOTTLE 
Total dissolved d60/58Ni (<0.2 µm)

per mil 
Ni 
SD1_Ni_60_58_TD_DELTA_BOTTLE 
One standard deviation of Ni_60_58_TD_DELTA_BOTTLE

per mil 
Ni 
Cd_114_110_TD_DELTA_BOTTLE 
Total dissolved d114/110Cd (<0.2 µm)

per mil 
Cd 
SD1_Cd_114_110_TD_DELTA_BOTTLE 
One standard deviation of Cd_114_110_TD_DELTA_BOTTLE

per mil 
Cd 
Fe_56_54_TD_DELTA_BOTTLE 
Total dissolved d56/54Fe (<0.2 µm)

per mil 
Fe 
SD1_Fe_56_54_TD_DELTA_BOTTLE 
One standard deviation of Fe_56_54_TD_DELTA_BOTTLE

per mil 
Fe 
Zn_66_64_TD_DELTA_BOTTLE 
Total dissolved d66/64Zn (<0.2 µm)

per mil 
Zn 
SD1_Zn_66_64_TD_DELTA_BOTTLE 
One standard deviation of Zn_66_64_TD_DELTA_BOTTLE

per mil 
Zn 
Cu_65_63_TD_DELTA_BOTTLE 
Total dissolved d65/63Cu (<0.2 µm)

per mil 
Cu 
SD1_Cu_65_63_TD_DELTA_BOTTLE 
One standard deviation of Cu_65_63_TD_DELTA_BOTTLE

per mil 
Cu 
Ni_60_58_SPT_DELTA_PUMP 
d60/58Ni determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm)

per mil 
Ni 
SD1_Ni_60_58_SPT_DELTA_PUMP 
One standard deviation of Ni_60_58_SPT_DELTA_PUMP

per mil 
Ni 
Cd_114_110_SPT_DELTA_PUMP 
d114/110Cd determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm)

per mil 
Cd 
SD1_Cd_114_110_SPT_DELTA_PUMP 
One standard deviation of Cd_114_110_SPT_DELTA_PUMP

per mil 
Cd 
Fe_56_54_SPT_DELTA_PUMP 
d56/54Fe determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm)

per mil 
Fe 
SD1_Fe_56_54_SPT_DELTA_PUMP 
One standard deviation of Fe_56_54_SPT_DELTA_PUMP

per mil 
Fe 
Zn_66_64_SPT_DELTA_PUMP 
d66/64Zn determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm)

per mil 
Zn 
SD1_Zn_66_64_SPT_DELTA_PUMP 
One standard deviation of Zn_66_64_SPT_DELTA_PUMP

per mil 
Zn 
Cu_65_63_SPT_DELTA_PUMP 
d65/63Cu determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm)

per mil 
Cu 
SD1_Cu_65_63_SPT_DELTA_PUMP 
One standard deviation of Cu_65_63_SPT_DELTA_PUMP

per mil 
Cu 
Ni_60_58_LPT_DELTA_PUMP 
d60/58Ni determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm)

per mil 
Ni 
SD1_Ni_60_58_LPT_DELTA_PUMP 
One standard deviation of Ni_60_58_LPT_DELTA_PUMP

per mil 
Ni 
Cd_114_110_LPT_DELTA_PUMP 
d114/110Cd determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm)

per mil 
Cd 
SD1_Cd_114_110_LPT_DELTA_PUMP 
One standard deviation of Cd_114_110_LPT_DELTA_PUMP

per mil 
Cd 
Fe_56_54_LPT_DELTA_PUMP 
d56/54Fe determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm)

per mil 
Fe 
SD1_Fe_56_54_LPT_DELTA_PUMP 
One standard deviation of Fe_56_54_LPT_DELTA_PUMP

per mil 
Fe 
Zn_66_64_LPT_DELTA_PUMP 
d66/64Zn determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm)

per mil 
Zn 
SD1_Zn_66_64_LPT_DELTA_PUMP 
One standard deviation of Zn_66_64_LPT_DELTA_PUMP

per mil 
Zn 
Cu_65_63_LPT_DELTA_PUMP 
d65/63Cu determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm)

per mil 
Cu 
SD1_Cu_65_63_LPT_DELTA_PUMP 
One standard deviation of Cu_65_63_LPT_DELTA_PUMP

per mil 
Cu 
Ni_UF_CONC_BOTTLE 
Dissolved Ni in seawater (<0.02 µm)

nanomoles per kilogram (nmol/kg) 
Ni 
Cd_UF_CONC_BOTTLE 
Dissolved Cd in seawater (<0.02 µm)

nanomoles per kilogram (nmol/kg) 
Cd 
Fe_UF_CONC_BOTTLE 
Dissolved Fe in seawater (<0.02 µm)

nanomoles per kilogram (nmol/kg) 
Fe 
Zn_UF_CONC_BOTTLE 
Dissolved Zn in seawater (<0.02 µm)

nanomoles per kilogram (nmol/kg) 
Zn 
Ni_TD_CONC_BOTTLE 
Total dissolved Ni (<0.2 µm)

nanomoles per kilogram (nmol/kg) 
Ni 
Cd_TD_CONC_BOTTLE 
Total dissolved Cd (<0.2 µm)

nanomoles per kilogram (nmol/kg) 
Cd 
Fe_TD_CONC_BOTTLE 
Total dissolved Fe (<0.2 µm)

nanomoles per kilogram (nmol/kg) 
Fe 
Zn_TD_CONC_BOTTLE 
Total dissolved Zn (<0.2 µm)

nanomoles per kilogram (nmol/kg) 
Zn 
Cu_TD_CONC_BOTTLE 
Total dissolved Cu (<0.2 µm)

nanomoles per kilogram (nmol/kg) 
Cu 
Ni_SPT_CONC_PUMP 
Ni determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm particles)

picomoles per kilogram (pmol/kg) 
Ni 
Cd_SPT_CONC_PUMP 
Cd determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm particles)

picomoles per kilogram (pmol/kg) 
Cd 
Fe_SPT_CONC_PUMP 
Fe determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm particles)

picomoles per kilogram (pmol/kg) 
Fe 
Zn_SPT_CONC_PUMP 
Zn determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm particles)

picomoles per kilogram (pmol/kg) 
Zn 
Cu_SPT_CONC_PUMP 
Cu determined by in situ filtration (pump) collected on a 0.8 µm filter (0.851 µm particles)

picomoles per kilogram (pmol/kg) 
Cu 
Ni_LPT_CONC_PUMP 
Ni determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm particles)

picomoles per kilogram (pmol/kg) 
Ni 
Cd_LPT_CONC_PUMP 
Cd determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm particles)

picomoles per kilogram (pmol/kg) 
Cd 
Fe_LPT_CONC_PUMP 
Fe determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm particles)

picomoles per kilogram (pmol/kg) 
Fe 
Zn_LPT_CONC_PUMP 
Zn determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm particles)

picomoles per kilogram (pmol/kg) 
Zn 
Cu_LPT_CONC_PUMP 
Cu determined by in situ filtration (pump) collected on a 51 µm filter (>51 µm particles)

picomoles per kilogram (pmol/kg) 
Cu 
Ni_TP_CONC_BOTTLE 
Total particulate Ni

picomoles per kilogram (pmol/kg) 
Ni 
Cd_TP_CONC_BOTTLE 
Total particulate Cd

picomoles per kilogram (pmol/kg) 
Cd 
Fe_TP_CONC_BOTTLE 
Total particulate Fe

picomoles per kilogram (pmol/kg) 
Fe 
Zn_TP_CONC_BOTTLE 
Total particulate Zn

picomoles per kilogram (pmol/kg) 
Zn 
Cu_TP_CONC_BOTTLE 
Total particulate Cu

picomoles per kilogram (pmol/kg) 
Cu 
Longitude 
Longitude (positive values = East)

decimal degrees East 
lon 
Latitude 
Latitude (positive values = North)

decimal degrees North 
lat 
Date 
Date; format: MM/DD/YYYY

unitless 
date 
Time_UTC 
Time (UTC); format: hh:mm:ss

unitless 
time 
ISO_DateTime_UTC 
Date and time (UTC) formatted to ISO8601 standard: YYYYMMDDThh:mm:ssZ

unitless 
ISO_DateTime_UTC 