Data Dictionary
Column Type Label Description Units Media type Result Value Type Statistic Applied
cruise text Cruise

The name or identifier of the research cruise during which the CTD cast was collected.

water actual none
station text Station

The name or identifier of the sampling site at which the CTD cast was collected.

water actual none
timestamp_utc timestamp Date and Time

The combined date and time of the measurement in Coordinated Universal Time.

water actual none
year_utc numeric Year

Year of the measurement in Coordinated Universal Time.

water actual none
month_utc numeric Month

Month of the measurement in Coordinated Universal Time.

water actual none
day_utc numeric Day

Day of the measurement in Coordinated Universal Time.

water actual none
hour_utc numeric Hour

Hour of the measurement in Coordinated Universal Time.

water actual none
minute_utc numeric Minute

Minute of the measurement in Coordinated Universal Time.

water actual none
second_utc numeric Second

Second of the measurement in Coordinated Universal Time.

water actual none
latitude_in_degrees_north numeric Latitude

The latitude at the start of the cast.

water actual none
longitude_in_degrees_east numeric Longitude

The longitude at the start of the cast.

water actual none
latitude_bottom_degrees_north numeric Latitude Bottom

Latitude where the CTD reached its deepest point.

water actual none
longitude_bottom_degrees_east numeric Longitude Bottom

Longitude where the CTD reached its deepest point.

water actual none
bot_depth_m numeric Bottom Depth

The depth of the seafloor (bottom depth) at the station.

water actual none
pressure_db numeric Water Pressure

The measured pressure in decibars from the CTD’s strain gauge pressure sensor.

water actual none
depth_m numeric Depth

Depth of the CTD in meters derived from pressure using salt water equations.

water actual none
conductivity_ms_per_cm numeric Conductivity

Conductivity of seawater measured by the CTD, used to calculate salinity.

water actual none
salinity_psu numeric Practical Salinity

Practical Salinity calculated from conductivity, temperature, and pressure.

water actual none
temperature_deg_c numeric Water Temperature

Water temperature measured by the CTD and reported on the ITS-90 temperature scale.

water actual none
potential_temperature_deg_c numeric Potential Temperature

Temperature the water parcel would have if moved adiabatically to surface (0 dbar).

water actual none
density_kg_per_m_3 numeric Density

In-situ density of seawater calculated from temperature, salinity, and pressure.

water actual none
density_sigma_theta_kg_per_m_3_2 numeric Potential Density Anamoly

Potential density anomaly, i.e. the density of a seawater sample when it is moved to the sea surface with its pressure effects removed, calculated as density referenced to 0 dbar minus 1000 kg/mÂł.

water actual none
specific_volume_anomaly_10_8_m_3_per_kg numeric Specific Volume Anomaly

Difference between the specific volume of seawater and that of standard seawater.

water actual none
oxygen_ml_per_l numeric Oxygen (Volume)

Dissolved oxygen concentration measured by the SBE43 sensor.

water actual none
oxygen_umol_per_kg numeric Oxygen (Mass-based)

Dissolved oxygen concentration measured by the SBE43 sensor.

water actual none
oxygen_percent_saturation numeric Oxygen (Saturation)

Percent of oxygen saturation relative to equilibrium with the atmosphere.

water actual none
fluorescence_cdom_mg_per_m_3 numeric CDOM Flourescence

Colored Dissolved Organic Matter fluorescence signal (CDOM concentration proxy).

water actual none
fluorescence_chlorophyll_a_mg_per_m_3 numeric Chlorophyll-a Flourescence

Chlorophyll-a fluorescence from a WET Labs ECO fluorometer.

water actual none
par_per_irradiance_umol_photons_per_m_2_per_sec numeric Photosynthetically Active Radiation

Photosynthetically Active Radiation

water actual none
beam_transmission_percent numeric Beam Transmission

The percentage of light that remains after passing through the C-Star’s fixed-length optical path.

water actual none
beam_attenuation_1_per_m numeric Beam Attenuation

The beam attenuation coefficient derived from the C-Star transmissometer signal.

water actual none
notes text Notes

Field for additional comments.

water actual none
Additional Information
Field label
Study/Dataset Example
Format
CSV
Datastore active
True
Datastore contains all records of source file
False
Has views
True
Hash
55894b8b09b98732c1a8903122762127
Id
4ae74dc9-e656-457c-b464-1ebeea2826d6
Mimetype
text/csv
Package id
6ca3f089-9abc-4ac4-ac17-c8953967f1b5
Position
0
Rescategory
data
Size
1.7 MiB
State
active
Url type
upload