chlorophyll a | µg/L | calculated chlorophyll concentration using | [calibration coefficents from Wetlabs](https://git.geomar.de/tobias-steinhoff/Poseidon-POS519/blob/master/data%20processing/docs/FLNTURTD-2928.Charsheet-1.pdf)
potential density | kg/m3 | | [info](https://git.geomar.de/tobias-steinhoff/Poseidon-POS519/blob/master/data%20processing/docs/pos_519_1_report.txt)
oxygen titrated | umol/kg | oxygen concebtration determined by Winkler titration on board |
oxygen titrated | µmol/kg | oxygen concebtration determined by Winkler titration on board |
turb_raw | | turbidity data raw from Wetlabs fluorometer | [info](https://git.geomar.de/tobias-steinhoff/Poseidon-POS519/blob/master/data%20processing/docs/pos_519_1_report.txt)
NO3 | µM/L | nitrate concentration, calibration solution was too low, so some samples are off scale -> QF=3 |
NO2 corr. | µM/L | nitrite concentration |
PO4 | µM/L| phospate concentration, calibration solution was too low, so some samples are off scale -> QF=3 |
SiO2 | µM/L | silicate concentration |
NO3 | µmol/L | nitrate concentration, calibration solution was too low, so some samples are off scale -> QF=3 |
NO2 corr. | µmol/L | nitrite concentration |
PO4 | µmol/L| phospate concentration, calibration solution was too low, so some samples are off scale -> QF=3 |
