ERDDAP > info > oor_ctd_data

Grid DAP Data	Sub- set	Table DAP Data	Make A Graph	W M S	Source Data Files	Title	Sum- mary	FGDC, ISO, Metadata	Back- ground Info	RSS	E mail	Institution	Dataset ID
		data	graph		files	CTD data collected using RBR Maestro CTD mounted on DataXplorer Gen 2 autonomous surface vehicle.		F   I   M	background			OFI	oor_ctd_data

The Dataset's Variables and Attributes

Row Type	Variable Name	Attribute Name	Data Type	Value
attribute	NC_GLOBAL	cdm_data_type	String	Profile
attribute	NC_GLOBAL	cdm_profile_variables	String	profile_id, profile_direction
attribute	NC_GLOBAL	Conventions	String	CF-1.13, ACDD-1.3, COARDS
attribute	NC_GLOBAL	creator_name	String	OFI
attribute	NC_GLOBAL	creator_type	String	institution
attribute	NC_GLOBAL	description	String	CTD data collected using RBR Maestro CTD mounted on DataXplorer Gen 2 autonomous surface vehicle.
attribute	NC_GLOBAL	Easternmost_Easting	double	-63.6244509
attribute	NC_GLOBAL	featureType	String	Profile
attribute	NC_GLOBAL	format_version	String	OFI OOR Processing V0.1
attribute	NC_GLOBAL	geospatial_lat_max	double	48.4188878
attribute	NC_GLOBAL	geospatial_lat_min	double	44.6955196
attribute	NC_GLOBAL	geospatial_lat_units	String	degrees_north
attribute	NC_GLOBAL	geospatial_lon_max	double	-63.6244509
attribute	NC_GLOBAL	geospatial_lon_min	double	-123.3921627
attribute	NC_GLOBAL	geospatial_lon_units	String	degrees_east
attribute	NC_GLOBAL	geospatial_vertical_max	double	68.0792
attribute	NC_GLOBAL	geospatial_vertical_min	double	0.13
attribute	NC_GLOBAL	geospatial_vertical_positive	String	down
attribute	NC_GLOBAL	geospatial_vertical_units	String	m
attribute	NC_GLOBAL	history	String	Observational data from RBR Maestro CTD
attribute	NC_GLOBAL	infoUrl	String	???
attribute	NC_GLOBAL	institution	String	OFI
attribute	NC_GLOBAL	iso_3166_country_code	String	CA
attribute	NC_GLOBAL	keywords	String	absolute, acoustic, acoustics, autonomous, below, chemistry, collected, concentration, conductance, conductivity, ctd, data, dataxplorer, density, depth, direction, dissolved, earth, Earth Science > Oceans > Ocean Acoustics > Acoustic Velocity, Earth Science > Oceans > Ocean Chemistry > Oxygen, Earth Science > Oceans > Ocean Chemistry > pH, Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Salinity, electrical, fractional, fractional_saturation_of_oxygen_in_sea_water, gen, identifier, instrument, internal, latitude, longitude, maestro, mole, mole_concentration_of_dissolved_molecular_oxygen_in_sea_water, molecular, mounted, O2, observation, ocean, oceanography, oceans, odo, odo_temperature, ofi, optical, oxygen, oxygen_concentration, oxygen_saturation, physical, physical oceanography, practical, pressure, profile, profile_direction, profile_id, profiling, rbr, reported, salinity, saturation, scale, science, sea, sea_pressure, sea_water_electrical_conductivity, sea_water_ph_reported_on_total_scale, sea_water_practical_salinity, sea_water_pressure, sea_water_specific_conductance, sea_water_temperature, sea_water_turbidity, seawater, sensor, sonde, sound, specific, specific_conductivity, speed, speed_of_sound, speed_of_sound_in_sea_water, surface, temperature, temperature_of_sensor_for_oxygen_in_sea_water, time, total, turbidity, using, vehicle, velocity, vertical, water
attribute	NC_GLOBAL	keywords_vocabulary	String	GCMD Science Keywords
attribute	NC_GLOBAL	license	String	Creative Commons Attribution 4.0 Attribution https://creativecommons.org/licenses/by/4.0/
attribute	NC_GLOBAL	Northernmost_Northing	double	48.4188878
attribute	NC_GLOBAL	odf_data_type	String	CTD
attribute	NC_GLOBAL	organization	String	Ocean Frontier Institute (OFI)
attribute	NC_GLOBAL	platform	String	Open Ocean Robotics DataXplorer Gen 2
attribute	NC_GLOBAL	platform_type	String	autonomous_surface_vehicle
attribute	NC_GLOBAL	platform_vocabulary	String	https://vocab.nerc.ac.uk/collection/L06/current/
attribute	NC_GLOBAL	publisher_country	String	Canada
attribute	NC_GLOBAL	publisher_email	String	ceotr at dal.ca
attribute	NC_GLOBAL	publisher_institution	String	Ocean Frontier Institute (OFI)
attribute	NC_GLOBAL	source	String	Observational data from RBR Maestro CTD
attribute	NC_GLOBAL	sourceUrl	String	(local files)
attribute	NC_GLOBAL	Southernmost_Northing	double	44.6955196
attribute	NC_GLOBAL	standard_name_vocabulary	String	CF Standard Name Table v92
attribute	NC_GLOBAL	summary	String	Conductivity, Temperature, Depth (CTD) data collected using RBR Maestro CTD mounted on DataXplorer Gen 2 autonomous surface vehicle.
attribute	NC_GLOBAL	time_coverage_end	String	2025-09-25T17:28:25Z
attribute	NC_GLOBAL	time_coverage_start	String	2025-08-21T17:21:03Z
attribute	NC_GLOBAL	title	String	CTD data collected using RBR Maestro CTD mounted on DataXplorer Gen 2 autonomous surface vehicle.
attribute	NC_GLOBAL	Westernmost_Easting	double	-123.3921627
variable	profile_id		String
attribute	profile_id	cf_role	String	profile_id
attribute	profile_id	comment	String	Unique string identifier for each CTD profile in this file.
attribute	profile_id	ioos_category	String	Identifier
attribute	profile_id	long_name	String	Profile identifier
variable	profile_direction		byte
attribute	profile_direction	_FillValue	byte	127
attribute	profile_direction	actual_range	byte	0, 1
attribute	profile_direction	colorBarMaximum	double	1.5
attribute	profile_direction	colorBarMinimum	double	0.0
attribute	profile_direction	comment	String	Direction of CTD motion during each observation. Down indicates increasing depth with time; up indicates decreasing depth with time.
attribute	profile_direction	flag_meanings	String	down up
attribute	profile_direction	flag_values	long	0, 1
attribute	profile_direction	ioos_category	String	Other
attribute	profile_direction	long_name	String	Vertical profiling direction
variable	time		double
attribute	time	_CoordinateAxisType	String	Time
attribute	time	actual_range	double	1.755796863455091E9, 1.758821305252935E9
attribute	time	axis	String	T
attribute	time	calendar	String	gregorian
attribute	time	comment	String	Timestamp for each CTD sample; one value per observation.
attribute	time	ioos_category	String	Time
attribute	time	long_name	String	Time of observation
attribute	time	standard_name	String	time
attribute	time	time_origin	String	01-JAN-1970 00:00:00
attribute	time	units	String	seconds since 1970-01-01T00:00:00Z
variable	latitude		double
attribute	latitude	_CoordinateAxisType	String	Lat
attribute	latitude	actual_range	double	44.6955196, 48.4188878
attribute	latitude	axis	String	Y
attribute	latitude	colorBarMaximum	double	90.0
attribute	latitude	colorBarMinimum	double	-90.0
attribute	latitude	comment	String	Latitude of each CTD (conductivity–temperature–depth) observation.
attribute	latitude	ioos_category	String	Location
attribute	latitude	long_name	String	Latitude of observation
attribute	latitude	standard_name	String	latitude
attribute	latitude	units	String	degrees_north
variable	longitude		double
attribute	longitude	_CoordinateAxisType	String	Lon
attribute	longitude	actual_range	double	-123.3921627, -63.6244509
attribute	longitude	axis	String	X
attribute	longitude	colorBarMaximum	double	180.0
attribute	longitude	colorBarMinimum	double	-180.0
attribute	longitude	comment	String	Longitude of each CTD observation.
attribute	longitude	ioos_category	String	Location
attribute	longitude	long_name	String	Longitude of observation
attribute	longitude	standard_name	String	longitude
attribute	longitude	units	String	degrees_east
variable	conductivity		double
attribute	conductivity	actual_range	double	30.4546, 40.7485
attribute	conductivity	colorBarMaximum	double	40.0
attribute	conductivity	colorBarMinimum	double	30.0
attribute	conductivity	comment	String	Electrical conductivity of sea water; recommended to store in SI units (S m-1).
attribute	conductivity	ioos_category	String	Physical Oceanography
attribute	conductivity	long_name	String	Sea water electrical conductivity
attribute	conductivity	standard_name	String	sea_water_electrical_conductivity
attribute	conductivity	units	String	S m-1
variable	temperature		double
attribute	temperature	actual_range	double	5.4787, 18.127
attribute	temperature	colorBarMaximum	double	32.0
attribute	temperature	colorBarMinimum	double	0.0
attribute	temperature	comment	String	In-situ sea water temperature from the primary CTD temperature sensor.
attribute	temperature	ioos_category	String	Temperature
attribute	temperature	long_name	String	Sea water temperature
attribute	temperature	standard_name	String	sea_water_temperature
attribute	temperature	units	String	degree_Celsius
variable	depth		double
attribute	depth	_CoordinateAxisType	String	Height
attribute	depth	_CoordinateZisPositive	String	down
attribute	depth	actual_range	double	0.13, 68.0792
attribute	depth	axis	String	Z
attribute	depth	colorBarMaximum	double	8000.0
attribute	depth	colorBarMinimum	double	-8000.0
attribute	depth	colorBarPalette	String	TopographyDepth
attribute	depth	comment	String	Depth of each CTD observation, measured positive downward.
attribute	depth	ioos_category	String	Location
attribute	depth	long_name	String	Depth below sea surface
attribute	depth	positive	String	down
attribute	depth	standard_name	String	depth
attribute	depth	units	String	m
variable	pressure		double
attribute	pressure	actual_range	double	10.2636, 78.7715
attribute	pressure	comment	String	Absolute pressure measured by the CTD; typically equals sea water pressure plus atmospheric pressure.
attribute	pressure	ioos_category	String	Pressure
attribute	pressure	long_name	String	Instrument absolute pressure
attribute	pressure	standard_name	String	pressure
attribute	pressure	units	String	dbar
variable	oxygen_concentration		double
attribute	oxygen_concentration	actual_range	double	121.7667, 349.4085
attribute	oxygen_concentration	colorBarMaximum	double	500.0
attribute	oxygen_concentration	colorBarMinimum	double	0.0
attribute	oxygen_concentration	comment	String	Dissolved molecular oxygen concentration in sea water as reported by the optical dissolved oxygen sensor.
attribute	oxygen_concentration	long_name	String	Dissolved oxygen concentration
attribute	oxygen_concentration	standard_name	String	mole_concentration_of_dissolved_molecular_oxygen_in_sea_water
attribute	oxygen_concentration	units	String	umol L-1
variable	oxygen_saturation		double
attribute	oxygen_saturation	actual_range	double	42.0392, 141.2396
attribute	oxygen_saturation	colorBarMaximum	double	100.0
attribute	oxygen_saturation	colorBarMinimum	double	0.0
attribute	oxygen_saturation	comment	String	Oxygen saturation relative to air-equilibrated sea water (100% = equilibrium).
attribute	oxygen_saturation	long_name	String	Dissolved oxygen saturation
attribute	oxygen_saturation	standard_name	String	fractional_saturation_of_oxygen_in_sea_water
attribute	oxygen_saturation	units	String	percent
variable	ph		double
attribute	ph	actual_range	double	6.3578, 9.0292
attribute	ph	colorBarMaximum	double	9.0
attribute	ph	colorBarMinimum	double	7.0
attribute	ph	comment	String	In-situ sea water pH reported on the total hydrogen ion scale.
attribute	ph	long_name	String	Sea water pH on total scale
attribute	ph	standard_name	String	sea_water_ph_reported_on_total_scale
attribute	ph	units	String	1
variable	turbidity		double
attribute	turbidity	actual_range	double	-1.0315, 110.1687
attribute	turbidity	comment	String	Turbidity from the Seapoint turbidity sensor, reported in Nephelometric Turbidity Units (NTU).
attribute	turbidity	long_name	String	Sea water turbidity
attribute	turbidity	standard_name	String	sea_water_turbidity
attribute	turbidity	units	String	NTU
variable	sea_pressure		double
attribute	sea_pressure	actual_range	double	0.1311, 68.639
attribute	sea_pressure	colorBarMaximum	double	5000.0
attribute	sea_pressure	colorBarMinimum	double	0.0
attribute	sea_pressure	comment	String	Sea water pressure relative to the sea surface (atmospheric pressure removed).
attribute	sea_pressure	ioos_category	String	Pressure
attribute	sea_pressure	long_name	String	Sea water pressure
attribute	sea_pressure	standard_name	String	sea_water_pressure
attribute	sea_pressure	units	String	dbar
variable	salinity		double
attribute	salinity	actual_range	double	30.0, 32.4238
attribute	salinity	colorBarMaximum	double	37.0
attribute	salinity	colorBarMinimum	double	32.0
attribute	salinity	comment	String	Practical salinity (unitless) derived from conductivity, temperature, and pressure.
attribute	salinity	ioos_category	String	Salinity
attribute	salinity	long_name	String	Practical salinity
attribute	salinity	standard_name	String	sea_water_practical_salinity
attribute	salinity	units	String	1
variable	speed_of_sound		double
attribute	speed_of_sound	actual_range	double	1468.2041, 1511.1226
attribute	speed_of_sound	comment	String	Speed of sound in sea water derived from CTD measurements.
attribute	speed_of_sound	ioos_category	String	Physical Oceanography
attribute	speed_of_sound	long_name	String	Speed of sound in sea water
attribute	speed_of_sound	standard_name	String	speed_of_sound_in_sea_water
attribute	speed_of_sound	units	String	m s-1
variable	specific_conductivity		double
attribute	specific_conductivity	actual_range	double	46301.043, 49921.254
attribute	specific_conductivity	comment	String	Specific conductance (conductivity normalized to a reference temperature); recommended SI units (S m-1).
attribute	specific_conductivity	ioos_category	String	Physical Oceanography
attribute	specific_conductivity	long_name	String	Sea water specific conductance
attribute	specific_conductivity	standard_name	String	sea_water_specific_conductance
attribute	specific_conductivity	units	String	S m-1
variable	odo_temperature		double
attribute	odo_temperature	actual_range	double	5.5019, 18.0453
attribute	odo_temperature	colorBarMaximum	double	500.0
attribute	odo_temperature	colorBarMinimum	double	0.0
attribute	odo_temperature	comment	String	Temperature measured by the thermistor inside the oxygen sensor, used for temperature compensation of dissolved oxygen.
attribute	odo_temperature	ioos_category	String	Temperature
attribute	odo_temperature	long_name	String	Optical dissolved oxygen (ODO) sensor internal temperature
attribute	odo_temperature	standard_name	String	temperature_of_sensor_for_oxygen_in_sea_water
attribute	odo_temperature	units	String	degree_Celsius

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.