| Parameter | Description | Units |
| cast | CTD cast number | dimensionless |
| type | cast type; B=Niskin bottle | character |
| event | unique sampling event number composite of date and time (GMT) | YYyday_hhmm |
| lon | longitude, negative denotes West | decimal degrees |
| lat | latitude, negative denotes South | decimal degrees |
| date | date sampling began (GMT) | YYYYMMDD |
| bot | Niskin bottle number | dimensionless |
| time | time sampling began (GMT) | hhmm |
| yrday | decimal day of year sampling began (GMT) (T0 is 1/1/2004 00:00) | ddd.xx |
| bot_QC | bottle quality flag 0 = good; -1 = suspect | dimensionless |
| press | pressure, from CTD | decibars |
| temp | temperature, from CTD, ITS-90 | degrees Celsius |
| salinity | salinity, from CTD, PSS-78 (PSU) | dimensionless |
| O2_umol_kg | oxygen, dissolved | micromol/kilogram |
| sigma_0 | sigma-theta (potential density) | kilograms/meter^3 |
| fluor | fluorescence, uncalibrated | micrograms/liter |
| turb | turbidity, Seapoint | volts |
| beam | beam attenuation | volts |
| NH4 | ammonium | micromolar |
| PO4 | phosphate | micromolar |
| NO3_NO2 | nitrate plus nitrite | micromolar |
| Th234 | Thorium 234 | dpm/liter |
| Th234_err | Th234 error; measurement uncertainty | dpm/liter |
| chl_da | chlorophyllide a | nanograms/liter |
| chl_c | chlorophyll c | nanograms/liter |
| peridinin | peridinin | nanograms/liter |
| fucox_but | 19-prime-butanoyloxyfucoxanthin | nanograms/liter |
| fucox | fucoxanthin | nanograms/liter |
| fucox_hex | 19-prime-hexanoyloxyfucoxanthin | nanograms/liter |
| prasinox | prasinox | nanograms/liter |
| violax | violaxanthin | nanograms/liter |
| diadinox | diadinoxanthin | nanograms/liter |
| allox | alloxanthin | nanograms/liter |
| lutein | lutein | nanograms/liter |
| zeax | zeaxanthin | nanograms/liter |
| chl_b_mv | chlorophyll b, monovinyl | nanograms/liter |
| carotene_a | alpha carotene | nanograms/liter |
| carotene_b | beta carotene | nanograms/liter |
| chl_a_dv | chlorophyll a, divinyl | nanograms/liter |
| chl_a_mv | chlorophyll a, monovinyl | nanograms/liter |
| chl_a_tot | sum of chlorophyll a like compounds | nanograms/liter |
| comments | notes regarding sampling event | dimensionless |
| T_local | local time (GMT +11) | hhmm |
| Pmax | maximum pressure recorded | decibars |
| depth_n | depth, nominal target sampling depth | meters |
| depth | depth, calculated from CTD pressure | meters |
| potemp | potential temperature, ITS-90 (from primary T0,C0 sensors) | degrees Celsius |
| sal | salinity, from CTD, PSS-78 (PSU) (from primary T0,C0 sensors) | dimensionless |
| O2_satP | oxygen saturation | percent |
| trans | transmissivity | voltage |
| PIC | Particulate Inorganic Carbon as measured by transmissometer | voltage |
| SiO2 | silicate | micromolar |
| NO2 | nitrite | micromolar |
| chl_a_fluor | chlorophyll-a by Fluorometric methods | milligrams/meter^3 |