| Parameter | Description | Units |
|---|
| event | unique sampling event number | YYYYMMDDhhmm |
| date | start date of event (GMT) | YYYYMMDD |
| time | start time of event (GMT) | hhmm |
| lon | longitude, negative denotes West | decimal degrees |
| lat | latitude, negative denotes South | decimal degrees |
| sta | station number | dimensionless |
| bot | Niskin bottle number | dimensionless |
| Nis | Niskin bottle order number | dimensionless |
| depth_n | depth, nominal bottle firing | meters |
| depth | depth, calculated from pressure | meters |
| press | pressure, from CTD | decibars |
| temp | temperature, from CTD, ITS-90 | degrees Celsius |
| sal_CTD | salinity, from CTD, PSS-78 (PSU) (from primary T0,C0 sensors) | dimensionless |
| sal_bot | salinity, bottle sample PSU | dimensionless |
| sigma_0 | sigma theta (potential density) | kilograms/meter^3 |
| fluor_chla | fluorescence, (WET Labs eco) | micrograms/liter |
| cast | cast number for event | dimensionless |
| potemp | potential temperature, ITS-90 (from primary T0,C0 sensors) | degrees Celsius |
| O2_mg_L | oxygen, dissolved from SBE 43 | milligrams/liter |
| PAR | irradiance, Biospherical/Licor | microEinsteins/meter^2/second |
| fluor | fluorescence, (wetlabs eco) | micrograms/liter |
| O2_ml_L | oxygen, dissolved from SBE 43 | milliliters/liter |
| O2_ml_L_S | oxygen, dissolved (secondary) | milliliters/liter |
| SPAR | surface irradiance | microEinsteins/meter^2/second |
| trans | light transmission Chelsea/Seatech/Wetlab CStar | percent/100 |
| cond | conductivity, from CTD (from primary C0 sensor) | Siemens/meter |
| temp_S | temperature, from CTD, ITS-90 (from secondary T1 sensor) | degrees Celsius |
| sal_CTD_S | salinity, from CTD, PSS-78 (PSU) (from secondary T1,C1 sensors) | dimensionless |
| potemp_S | potential temperature, ITS-90 (from secondary T1,C1 sensors) | degrees Celsius |
| sigma_0_S | sigma theta (potential density) (from secondary T1,C1 sensors) | kilograms/meter^3 |
| cond_S | conductivity, from CTD (from secondary C1 sensor) | Siemens/meter |
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