Table 1 Parameters included in ship-based CTD profile data file.

From: Active and passive organic carbon fluxes during a bloom in the Southern Ocean (South Georgia)

Parameter

Column header

Unit

No. profiles

Event

Event

N/A

DateTime

Date/Time

YYYY-MM-DD HH:mm:ss

Latitude

Latitude

degrees North

Longitude

Longitude

degrees East

Site

Site

N/A

Depth

Depth water [m] (Barometer, Paroscientific, Di…)

metres

Temperature

Temp [°C] (Temperature sensor, SEA-BIRD…)

degrees C

27

Salinity

Sal (PSU, Conductivity sensor, SEA…)

PSU

27

SigmaTheta

Sigma-theta [kg/m**3] (Calculated according to UNESC…)

kg m−3

27

Dissolved oxygen

O2 [µmol/l] (Dissolved Oxygen Sensor, Sea-…)

μmol L−1

27

Dissolved oxygen saturation

O2 sat [%] (Calculated according to UNESC…)

%

27

Photosynthetically active radiation

PAR [µE/m**2/s] (PAR sensor, Biospherical, LI-…)

Photons m−2 s−1

19

Turbidity

beta700 [m/sr] (Scattering meter, WET Labs, E…)

m sr−1

20

Attenuation

Attenuation [1/m] (Transmissometer, WET Labs, C-…)

m−1

20

Nitrate

[NO3]- [µmol/l] (Colorimetric analysis)

μmol L−1

15

Phosphate

[PO4]3- [µmol/l] (Colorimetric analysis)

μmol L−1

15

Silicate

Si(OH)4 [µmol/l] (Colorimetric analysis)

μmol L−1

15

Particulate organic carbon

POC [µmol/l] (Organic Elemental Analyzer, T…)

mg C m−3

13

Dissipation 1

Diss rate [W/kg] (shear 150–300 m and strain 20…)

W kg−1

14

Diffusivity 1

K rho [m**2/s] (shear 150–300 m and strain 20…)

m−2 s−1

14

Dissipation 2

Diss rate [W/kg] (shear 70–200 m and strain 30-…)

W kg−1

14

Diffusivity 2

K rho [m**2/s] (shear 70–200 m and strain 30-…)

m−2 s−1

14

Chlorophyll-a

Chl a [mg/m**3] (Fluorometer, Chelsea Instrume…)

mg m−3

27

Net primary productivity

NPP C [mmol/m**3/day] (Liquid scintillation counter,…)

mmol C m−3 d−1

8

Dissolved organic carbon

DOC [µmol/l] (High Temperature Catalytic Ox…)

μmol L−1

1

DOC flux

DOC flux [mg/m**2/day] (Calculated)

mg C m−2 d−1

1

Ambient leucine assimilation

Leu upt rate [pmol/l/h] (Radioassays, liquid scintilla…)

pmol L−1 h−1

6

Bacterial cell count

Bact [#/ml] (Flow cytometer, Becton Dickin…)

cells mL−1

6