ERDDAP > info > um_242-20220903T1649-delayed

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
	set	data	graph		files	um_242-20220903T1649-delayed		F   I   M	background			University of Maine	um_242-20220903T1649-delayed

The Dataset's Variables and Attributes

Row Type	Variable Name	Attribute Name	Data Type	Value
attribute	NC_GLOBAL	_NCProperties	String	version=2,netcdf=4.7.4,hdf5=1.8.12
attribute	NC_GLOBAL	acknowledgment	String	This deployment supported by the NOAA Ocean Acidification Program and U.S. Integrated Ocean Observing System
attribute	NC_GLOBAL	cdm_data_type	String	TrajectoryProfile
attribute	NC_GLOBAL	cdm_profile_variables	String	time_uv,lat_uv,lon_uv,u,v,profile_id,time,latitude,longitude
attribute	NC_GLOBAL	cdm_trajectory_variables	String	trajectory,wmo_id
attribute	NC_GLOBAL	comment	String	Deployed by Neal Pettigrew and Robert Prescott aboard Roxby out of Northeast Harbor, ME
attribute	NC_GLOBAL	contributor_name	String	Neal Pettigrew
attribute	NC_GLOBAL	contributor_role	String	Co-PI
attribute	NC_GLOBAL	Conventions	String	Unidata Dataset Discovery v1.0, COARDS, CF-1.6
attribute	NC_GLOBAL	creator_email	String	robert.h.prescott at maine.edu
attribute	NC_GLOBAL	creator_name	String	Robert Prescott
attribute	NC_GLOBAL	creator_url	String	http://gyre.umeoce.maine.edu
attribute	NC_GLOBAL	date_created	String	2024-06-27T08:05:36Z
attribute	NC_GLOBAL	date_issued	String	2024-06-27T08:05:36Z
attribute	NC_GLOBAL	date_modified	String	2024-06-27T00:55:01Z
attribute	NC_GLOBAL	Easternmost_Easting	double	-67.58805
attribute	NC_GLOBAL	featureType	String	TrajectoryProfile
attribute	NC_GLOBAL	format_version	String	IOOS_Glider_NetCDF_v2.0.nc
attribute	NC_GLOBAL	geospatial_lat_max	double	44.2846
attribute	NC_GLOBAL	geospatial_lat_min	double	42.67163
attribute	NC_GLOBAL	geospatial_lat_units	String	degrees_north
attribute	NC_GLOBAL	geospatial_lon_max	double	-67.58805
attribute	NC_GLOBAL	geospatial_lon_min	double	-69.92368
attribute	NC_GLOBAL	geospatial_lon_units	String	degrees_east
attribute	NC_GLOBAL	geospatial_vertical_max	double	283.16
attribute	NC_GLOBAL	geospatial_vertical_min	double	0.0
attribute	NC_GLOBAL	geospatial_vertical_positive	String	down
attribute	NC_GLOBAL	geospatial_vertical_units	String	m
attribute	NC_GLOBAL	gts_ingest	String	true
attribute	NC_GLOBAL	history	String	2024-06-27T08:05:36Z /home/rhp/spt/export/nc/IOOS/DAC/writeIoosGliderFlatNc.m
attribute	NC_GLOBAL	id	String	um_242-20221006T1459
attribute	NC_GLOBAL	infoUrl	String	https://gliders.ioos.us/erddap/
attribute	NC_GLOBAL	institution	String	University of Maine
attribute	NC_GLOBAL	ioos_dac_checksum	String	5f8439302b676585e5abfe6c67ddbb15
attribute	NC_GLOBAL	ioos_dac_completed	String	True
attribute	NC_GLOBAL	keywords	String	AUVS > Autonomous Underwater Vehicles, 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 > Density, Earth Science > Oceans > Salinity/Density > Salinity, glider, In Situ Ocean-based platforms > Seaglider, Slocum, Spray, trajectory, underwater glider, water, wmo
attribute	NC_GLOBAL	keywords_vocabulary	String	GCMD Science Keywords
attribute	NC_GLOBAL	license	String	This data may be redistributed and used without restriction. Data provided as is with no expressed or implied assurance of quality assurance or quality control
attribute	NC_GLOBAL	Metadata_Conventions	String	Unidata Dataset Discovery v1.0, COARDS, CF-1.6
attribute	NC_GLOBAL	naming_authority	String	umeoce.maine.edu
attribute	NC_GLOBAL	ncei_template_version	String	NCEI_NetCDF_Trajectory_Template_v2.0
attribute	NC_GLOBAL	Northernmost_Northing	double	44.2846
attribute	NC_GLOBAL	platform_type	String	Slocum Glider
attribute	NC_GLOBAL	processing_level	String	Raw Slocum glider time-series dataset from the native data file format. Additional quality control variables provided where applicable. Thresholds used for quality control flags are under development.
attribute	NC_GLOBAL	project	String	NOAA OAP (Ocean Acidification Program)/IOOS, Sustained Underwater Glider Observations for Improving Atlantic Tropical Cyclone Intensity Forecast
attribute	NC_GLOBAL	publisher_email	String	robert.h.prescott at maine.edu
attribute	NC_GLOBAL	publisher_name	String	Robert Prescott
attribute	NC_GLOBAL	publisher_url	String	http://gyre.umeoce.maine.edu
attribute	NC_GLOBAL	sea_name	String	Gulf of Maine
attribute	NC_GLOBAL	source	String	Observational data from a profiling glider
attribute	NC_GLOBAL	sourceUrl	String	(local files)
attribute	NC_GLOBAL	Southernmost_Northing	double	42.67163
attribute	NC_GLOBAL	standard_name_vocabulary	String	CF Standard Name Table v27
attribute	NC_GLOBAL	subsetVariables	String	wmo_id,trajectory,profile_id,time,latitude,longitude
attribute	NC_GLOBAL	summary	String	This project is conducting seasonal deployments to investigate carbonate chemistry and monitor ocean acidification in the Mid-Atlantic Bight. The glider used for the automated observation includes an integrated deep rated version of the Ion Sensitive Field Effect Transistor (ISFET)-based pH sensor. The pH sensor unit is complemented with existing glider sensors including a CTD, a WETLabs FLBBCD ECO puck configured for simultaneous chlorophyll fluorescence and optical backscatter measurements, and an Aanderaa Optode for measuring dissolved oxygen. The real-time dataset contains CTD, chlorophyll a, CDOM and optical backscatter measurements. Dissolved oxygen and pH data will be processed post-deployment.
attribute	NC_GLOBAL	time_coverage_end	String	2022-10-06T15:02:11Z
attribute	NC_GLOBAL	time_coverage_start	String	2022-09-03T16:50:13Z
attribute	NC_GLOBAL	title	String	um_242-20220903T1649-delayed
attribute	NC_GLOBAL	Westernmost_Easting	double	-69.92368
variable	trajectory		String
attribute	trajectory	_ChunkSizes	uint	20
attribute	trajectory	cf_role	String	trajectory_id
attribute	trajectory	comment	String	A trajectory is one deployment of a glider.
attribute	trajectory	ioos_category	String	Identifier
attribute	trajectory	long_name	String	Trajectory Name
variable	wmo_id		String
attribute	wmo_id	ioos_category	String	Identifier
attribute	wmo_id	long_name	String	WMO ID
variable	profile_id		int
attribute	profile_id	_ChunkSizes	uint	1
attribute	profile_id	_FillValue	int	2147483647
attribute	profile_id	actual_range	int	1, 3023
attribute	profile_id	ancillary_variables	String	profile_time
attribute	profile_id	cf_role	String	profile_id
attribute	profile_id	comment	String	Unique identifier of the profile. The profile ID is the mean profile timestamp
attribute	profile_id	ioos_category	String	Identifier
attribute	profile_id	long_name	String	Profile ID
attribute	profile_id	processing_level	int	2
attribute	profile_id	valid_max	int	2147483647
attribute	profile_id	valid_min	int	1
variable	time		double
attribute	time	_ChunkSizes	uint	1
attribute	time	_CoordinateAxisType	String	Time
attribute	time	actual_range	double	1.6622238136272736E9, 1.665068531993209E9
attribute	time	axis	String	T
attribute	time	calendar	String	gregorian
attribute	time	comment	String	Timestamp corresponding to the mid-point of the profile.
attribute	time	ioos_category	String	Time
attribute	time	long_name	String	Profile Time
attribute	time	observation_type	String	calculated
attribute	time	platform	String	platform
attribute	time	processing_level	int	2
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
attribute	time	valid_max	double	2.147483647E9
attribute	time	valid_min	double	0.0
variable	latitude		double
attribute	latitude	_ChunkSizes	uint	1
attribute	latitude	_CoordinateAxisType	String	Lat
attribute	latitude	_FillValue	double	-9999.0
attribute	latitude	actual_range	double	42.67163, 44.2846
attribute	latitude	axis	String	Y
attribute	latitude	colorBarMaximum	double	90.0
attribute	latitude	colorBarMinimum	double	-90.0
attribute	latitude	comment	String	Value is interpolated to provide an estimate of the latitude at the mid-point of the profile.
attribute	latitude	coordinate_reference_frame	String	urn:ogc:crs:EPSG::4326
attribute	latitude	ioos_category	String	Location
attribute	latitude	long_name	String	Profile Latitude
attribute	latitude	observation_type	String	calculated
attribute	latitude	platform	String	platform
attribute	latitude	precision	int	5
attribute	latitude	processing_level	int	2
attribute	latitude	reference	String	WGS84
attribute	latitude	standard_name	String	latitude
attribute	latitude	units	String	degrees_north
attribute	latitude	valid_max	double	90.0
attribute	latitude	valid_min	double	-90.0
variable	longitude		double
attribute	longitude	_ChunkSizes	uint	1
attribute	longitude	_CoordinateAxisType	String	Lon
attribute	longitude	_FillValue	double	-9999.0
attribute	longitude	actual_range	double	-69.92368, -67.58805
attribute	longitude	axis	String	X
attribute	longitude	colorBarMaximum	double	180.0
attribute	longitude	colorBarMinimum	double	-180.0
attribute	longitude	comment	String	Value is interpolated to provide an estimate of the longitude at the mid-point of the profile.
attribute	longitude	coordinate_reference_frame	String	urn:ogc:crs:EPSG::4326
attribute	longitude	ioos_category	String	Location
attribute	longitude	long_name	String	Profile Longitude
attribute	longitude	observation_type	String	calculated
attribute	longitude	platform	String	platform
attribute	longitude	precision	int	5
attribute	longitude	processing_level	int	2
attribute	longitude	reference	String	WGS84
attribute	longitude	standard_name	String	longitude
attribute	longitude	units	String	degrees_east
attribute	longitude	valid_max	double	180.0
attribute	longitude	valid_min	double	-180.0
variable	depth		float
attribute	depth	_ChunkSizes	uint	1
attribute	depth	_CoordinateAxisType	String	Height
attribute	depth	_CoordinateZisPositive	String	down
attribute	depth	_FillValue	float	-9999.0
attribute	depth	actual_range	float	0.0, 283.16
attribute	depth	ancillary_variables	String	instrument_ctd
attribute	depth	axis	String	Z
attribute	depth	colorBarMaximum	double	2000.0
attribute	depth	colorBarMinimum	double	0.0
attribute	depth	colorBarPalette	String	OceanDepth
attribute	depth	comment	String	Calculated from llat_pressure and llat_latitude using gsw.z_from_p
attribute	depth	instrument	String	instrument_ctd
attribute	depth	ioos_category	String	Location
attribute	depth	long_name	String	Depth
attribute	depth	observation_type	String	calculated
attribute	depth	platform	String	platform
attribute	depth	positive	String	down
attribute	depth	processing_level	int	2
attribute	depth	reference_datum	String	sea-surface
attribute	depth	source_sensor	String	llat_pressure,llat_latitude
attribute	depth	standard_name	String	depth
attribute	depth	units	String	m
attribute	depth	valid_max	float	2000.0
attribute	depth	valid_min	float	0.0
variable	aragonite_saturation_state		float
attribute	aragonite_saturation_state	_ChunkSizes	uint	1
attribute	aragonite_saturation_state	_FillValue	float	-9999.0
attribute	aragonite_saturation_state	actual_range	float	0.9130195, 3.766049
attribute	aragonite_saturation_state	ancillary_variables	String	pressure_interpolated temperature_interpolated salinity_interpolated pH_corrected total_alkalinity
attribute	aragonite_saturation_state	comment	String	Calculated using PyCO2SYS (Humphreys et al. (2020) doi:10.5281/zenodo.3744275, Lewis and Wallace (1998)) with inputs of corrected pH on the total scale, total alkalinity, in situ salinity_interpolated, in situ temperature_interpolated, in situ pressure_interpolated, K1 and K2 dissociation constants defined by Merbach and refit by Dickson and Millero, KSO4 dissociation constant of Dickson, KHF dissociation constant of Perez and Fraga, and borate-to-salinity ratio of Uppstrom (1979)
attribute	aragonite_saturation_state	ioos_category	String	Other
attribute	aragonite_saturation_state	long_name	String	Aragonite Saturation State
attribute	aragonite_saturation_state	observation_type	String	calculated
attribute	aragonite_saturation_state	units	String	1
variable	chlorophyll_a		float
attribute	chlorophyll_a	_ChunkSizes	uint	1
attribute	chlorophyll_a	_FillValue	float	9.96921E36
attribute	chlorophyll_a	actual_range	float	-0.06, 10.896
attribute	chlorophyll_a	ancillary_variables	String	instrument_flntu
attribute	chlorophyll_a	bytes	int	4
attribute	chlorophyll_a	comment	String	Native glider sensor name
attribute	chlorophyll_a	instrument	String	instrument_flntu
attribute	chlorophyll_a	ioos_category	String	Other
attribute	chlorophyll_a	long_name	String	sci_flntu_chlor_units
attribute	chlorophyll_a	observation_type	String	measured
attribute	chlorophyll_a	platform	String	platform
attribute	chlorophyll_a	processing_level	int	2
attribute	chlorophyll_a	sensor	String	sci_flntu_chlor_units
attribute	chlorophyll_a	source_sensor	String	sci_flntu_chlor_units
attribute	chlorophyll_a	type	String	f4
attribute	chlorophyll_a	units	String	ug/l
variable	conductivity		float
attribute	conductivity	_ChunkSizes	uint	1
attribute	conductivity	_FillValue	float	-9999.0
attribute	conductivity	actual_range	float	3.35842, 4.498202
attribute	conductivity	ancillary_variables	String	instrument_ctd qartod_conductivity_flat_line_flag qartod_conductivity_gross_range_flag qartod_conductivity_rate_of_change_flag qartod_conductivity_spike_flag qartod_conductivity_primary_flag
attribute	conductivity	bytes	int	4
attribute	conductivity	colorBarMaximum	double	9.0
attribute	conductivity	colorBarMinimum	double	0.0
attribute	conductivity	comment	String	Native glider sensor name
attribute	conductivity	instrument	String	instrument_ctd
attribute	conductivity	ioos_category	String	Salinity
attribute	conductivity	long_name	String	Sea Water Electrical Conductivity
attribute	conductivity	observation_type	String	measured
attribute	conductivity	platform	String	platform
attribute	conductivity	processing_level	int	2
attribute	conductivity	sensor	String	sci_water_cond
attribute	conductivity	source_sensor	String	sci_water_cond
attribute	conductivity	standard_name	String	sea_water_electrical_conductivity
attribute	conductivity	units	String	S m-1
attribute	conductivity	valid_max	float	10.0
attribute	conductivity	valid_min	float	0.0
variable	density		float
attribute	density	_ChunkSizes	uint	1
attribute	density	_FillValue	float	-9999.0
attribute	density	actual_range	float	1022.631, 1028.045
attribute	density	ancillary_variables	String	instrument_ctd qartod_density_flat_line_flag qartod_density_gross_range_flag qartod_density_rate_of_change_flag qartod_density_spike_flag qartod_density_primary_flag
attribute	density	colorBarMaximum	double	1032.0
attribute	density	colorBarMinimum	double	1020.0
attribute	density	instrument	String	instrument_ctd
attribute	density	ioos_category	String	Other
attribute	density	long_name	String	Sea Water Density
attribute	density	observation_type	String	calculated
attribute	density	platform	String	platform
attribute	density	processing_level	int	2
attribute	density	standard_name	String	sea_water_density
attribute	density	units	String	kg m-3
attribute	density	valid_max	float	1015.0
attribute	density	valid_min	float	1040.0
variable	instrument_ctd		byte
attribute	instrument_ctd	_FillValue	byte	127
attribute	instrument_ctd	calibration_date	String	2020-02-20
attribute	instrument_ctd	comment	String	Pumped
attribute	instrument_ctd	factory_calibrated	String	2020-02-20
attribute	instrument_ctd	ioos_category	String	Identifier
attribute	instrument_ctd	long_name	String	CTD Metadata
attribute	instrument_ctd	make_model	String	Sea-Bird GPCTD
attribute	instrument_ctd	owner	String	University of Maine
attribute	instrument_ctd	platform	String	platform
attribute	instrument_ctd	serial_number	String	9650
attribute	instrument_ctd	type	String	instrument
attribute	instrument_ctd	units	String	1
variable	instrument_flntu		float
attribute	instrument_flntu	_FillValue	float	-9999.0
attribute	instrument_flntu	calibration_date	String	1970-01-01
attribute	instrument_flntu	comment	String	Chlorophyll a,turbidity. No calibration date available.
attribute	instrument_flntu	factory_calibrated	String	1970-01-01
attribute	instrument_flntu	ioos_category	String	Other
attribute	instrument_flntu	long_name	String	ECO Triplet Puck
attribute	instrument_flntu	make_model	String	Wetlabs FLNTU puck
attribute	instrument_flntu	owner	String	University of Maine
attribute	instrument_flntu	platform	String	platform
attribute	instrument_flntu	serial_number	String	2278
attribute	instrument_flntu	type	String	instrument
variable	instrument_optode		float
attribute	instrument_optode	_FillValue	float	-9999.0
attribute	instrument_optode	calibration_date	String	1970-01-01
attribute	instrument_optode	comment	String	No calibration date available
attribute	instrument_optode	factory_calibrated	String	1970-01-01
attribute	instrument_optode	ioos_category	String	Other
attribute	instrument_optode	long_name	String	Oxygen Optode
attribute	instrument_optode	make_model	String	Aanderaa Oxygen Optode 5014W
attribute	instrument_optode	owner	String	University of Maine
attribute	instrument_optode	platform	String	platform
attribute	instrument_optode	serial_number	String	1406
attribute	instrument_optode	type	String	instrument
variable	instrument_ph		float
attribute	instrument_ph	_FillValue	float	-9999.0
attribute	instrument_ph	calibration_date	String	2020-08-21
attribute	instrument_ph	comment	String	V2
attribute	instrument_ph	factory_calibrated	String	2020-08-21
attribute	instrument_ph	ioos_category	String	Other
attribute	instrument_ph	long_name	String	Deep ISFET Ocean pH Sensor
attribute	instrument_ph	make_model	String	Sea-Bird Deep ISFET Ocean pH Sensor
attribute	instrument_ph	owner	String	University of Maine
attribute	instrument_ph	platform	String	platform
attribute	instrument_ph	serial_number	String	10490
attribute	instrument_ph	type	String	instrument
variable	lat_uv		double
attribute	lat_uv	_ChunkSizes	uint	1
attribute	lat_uv	_FillValue	double	-999.0
attribute	lat_uv	actual_range	double	42.67149, 44.28489
attribute	lat_uv	colorBarMaximum	double	90.0
attribute	lat_uv	colorBarMinimum	double	-90.0
attribute	lat_uv	comment	String	The depth-averaged current is an estimate of the net current measured while the glider is underwater. The value is calculated over the entire underwater segment, which may consist of 1 or more dives.
attribute	lat_uv	ioos_category	String	Location
attribute	lat_uv	long_name	String	Depth-averaged Latitude
attribute	lat_uv	observation_type	String	calculated
attribute	lat_uv	platform	String	platform
attribute	lat_uv	processing_level	int	2
attribute	lat_uv	standard_name	String	latitude
attribute	lat_uv	units	String	degrees_north
attribute	lat_uv	valid_max	double	90.0
attribute	lat_uv	valid_min	double	-90.0
variable	lon_uv		double
attribute	lon_uv	_ChunkSizes	uint	1
attribute	lon_uv	_FillValue	double	-999.0
attribute	lon_uv	actual_range	double	-69.92395, -67.588
attribute	lon_uv	colorBarMaximum	double	180.0
attribute	lon_uv	colorBarMinimum	double	-180.0
attribute	lon_uv	comment	String	The depth-averaged current is an estimate of the net current measured while the glider is underwater. The value is calculated over the entire underwater segment, which may consist of 1 or more dives.
attribute	lon_uv	ioos_category	String	Location
attribute	lon_uv	long_name	String	Depth-averaged Longitude
attribute	lon_uv	observation_type	String	calculated
attribute	lon_uv	platform	String	platform
attribute	lon_uv	processing_level	int	2
attribute	lon_uv	standard_name	String	longitude
attribute	lon_uv	units	String	degrees_east
attribute	lon_uv	valid_max	double	180.0
attribute	lon_uv	valid_min	double	-180.0
variable	oxygen_concentration_corrected		float
attribute	oxygen_concentration_corrected	_ChunkSizes	uint	1
attribute	oxygen_concentration_corrected	_FillValue	float	-9999.0
attribute	oxygen_concentration_corrected	actual_range	float	132.8496, 300.6663
attribute	oxygen_concentration_corrected	ancillary_variables	String	oxygen_concentration_raw
attribute	oxygen_concentration_corrected	comment	String	lag corrected with modified version of glider_toolbox function CORRECTSENSORLAG using lag tau from from Bittig 2014 depending on optode temperature and boundary layer thickness lL(lL depends on water speed according to Bittig 2017 equation 2) tau is then found from a lookup table published as supplement to Bittig 2017 (figure 11)
attribute	oxygen_concentration_corrected	instrument	String	instrument_optode
attribute	oxygen_concentration_corrected	ioos_category	String	Other
attribute	oxygen_concentration_corrected	long_name	String	Dissolved Oxygen
attribute	oxygen_concentration_corrected	observation_type	String	calculated
attribute	oxygen_concentration_corrected	units	String	micromoles L-1
variable	oxygen_concentration_raw		float
attribute	oxygen_concentration_raw	_ChunkSizes	uint	1
attribute	oxygen_concentration_raw	_FillValue	float	-9999.0
attribute	oxygen_concentration_raw	actual_range	float	133.01, 284.5
attribute	oxygen_concentration_raw	instrument	String	instrument_optode
attribute	oxygen_concentration_raw	ioos_category	String	Other
attribute	oxygen_concentration_raw	long_name	String	Dissolved Oxygen
attribute	oxygen_concentration_raw	observation_type	String	measured
attribute	oxygen_concentration_raw	units	String	micromoles L-1
variable	oxygen_saturation_corrected		float
attribute	oxygen_saturation_corrected	_ChunkSizes	uint	1
attribute	oxygen_saturation_corrected	_FillValue	float	-9999.0
attribute	oxygen_saturation_corrected	actual_range	float	45.03677, 116.1491
attribute	oxygen_saturation_corrected	ancillary_variables	String	oxygen_saturation_raw
attribute	oxygen_saturation_corrected	comment	String	lag corrected with modified version of glider_toolbox function CORRECTSENSORLAG using lag tau from from Bittig 2014 depending on optode temperature and boundary layer thickness lL(lL depends on water speed according to Bittig 2017 equation 2) tau is then found from a lookup table published as supplement to Bittig 2017 (figure 11)
attribute	oxygen_saturation_corrected	instrument	String	instrument_optode
attribute	oxygen_saturation_corrected	ioos_category	String	Other
attribute	oxygen_saturation_corrected	long_name	String	Oxygen Saturation
attribute	oxygen_saturation_corrected	standard_name	String	fractional_saturation_of_oxygen_in_sea_water
attribute	oxygen_saturation_corrected	units	String	percent
variable	oxygen_saturation_raw		float
attribute	oxygen_saturation_raw	_ChunkSizes	uint	1
attribute	oxygen_saturation_raw	_FillValue	float	-9999.0
attribute	oxygen_saturation_raw	actual_range	float	45.09, 112.73
attribute	oxygen_saturation_raw	instrument	String	instrument_optode
attribute	oxygen_saturation_raw	ioos_category	String	Other
attribute	oxygen_saturation_raw	long_name	String	Oxygen Saturation
attribute	oxygen_saturation_raw	standard_name	String	fractional_saturation_of_oxygen_in_sea_water
attribute	oxygen_saturation_raw	units	String	percent
variable	pH_corrected		float
attribute	pH_corrected	_ChunkSizes	uint	1
attribute	pH_corrected	_FillValue	float	-9999.0
attribute	pH_corrected	actual_range	float	7.648313, 8.282306
attribute	pH_corrected	ancillary_variables	String	pressure_interpolated salinity_interpolated temperature_interpolated pH_reference_voltage_corrected
attribute	pH_corrected	comment	String	lag corrected with modified version of glider_toolbox function CORRECTSENSORLAG using constant lag tau = 1.0 sec
attribute	pH_corrected	ioos_category	String	Other
attribute	pH_corrected	observation_type	String	calculated
attribute	pH_corrected	source_sensor	String	sci_sbe41n_ph_ref_voltage
attribute	pH_corrected	standard_name	String	sea_water_ph_reported_on_total_scale
attribute	pH_corrected	units	String	1
attribute	pH_corrected	valid_max	float	14.0
attribute	pH_corrected	valid_min	float	0.0
variable	pH_raw		float
attribute	pH_raw	_ChunkSizes	uint	1
attribute	pH_raw	_FillValue	float	-9999.0
attribute	pH_raw	actual_range	float	7.647292, 8.284681
attribute	pH_raw	ancillary_variables	String	pressure_interpolated salinity_interpolated temperature_interpolated pH_reference_voltage_raw
attribute	pH_raw	comment	String	Calculated from sensor calibration coefficents, interpolated pressure, salinity, temperature, and measured reference voltage.
attribute	pH_raw	ioos_category	String	Other
attribute	pH_raw	observation_type	String	calculated
attribute	pH_raw	source_sensor	String	sci_sbe41n_ph_ref_voltage
attribute	pH_raw	standard_name	String	sea_water_ph_reported_on_total_scale
attribute	pH_raw	units	String	1
attribute	pH_raw	valid_max	float	14.0
attribute	pH_raw	valid_min	float	0.0
variable	pH_reference_voltage_corrected		float
attribute	pH_reference_voltage_corrected	_ChunkSizes	uint	1
attribute	pH_reference_voltage_corrected	_FillValue	float	-9999.0
attribute	pH_reference_voltage_corrected	actual_range	float	-0.9649305, -0.9243906
attribute	pH_reference_voltage_corrected	ancillary_variables	String	pH_reference_voltage_raw
attribute	pH_reference_voltage_corrected	category	String	pH
attribute	pH_reference_voltage_corrected	comment	String	lag corrected with modified version of glider_toolbox function CORRECTSENSORLAG using constant lag tau = 1.0 sec
attribute	pH_reference_voltage_corrected	instrument	String	instrument_ph
attribute	pH_reference_voltage_corrected	ioos_category	String	Other
attribute	pH_reference_voltage_corrected	long_name	String	sbe41n pH reference voltage
attribute	pH_reference_voltage_corrected	observation_type	String	calculated
attribute	pH_reference_voltage_corrected	units	String	volts
variable	pH_reference_voltage_raw		float
attribute	pH_reference_voltage_raw	_ChunkSizes	uint	1
attribute	pH_reference_voltage_raw	_FillValue	float	-9999.0
attribute	pH_reference_voltage_raw	actual_range	float	-0.964947, -0.92439
attribute	pH_reference_voltage_raw	ancillary_variables	String	instrument_ph
attribute	pH_reference_voltage_raw	category	String	pH
attribute	pH_reference_voltage_raw	comment	String	Measured pH reference voltage
attribute	pH_reference_voltage_raw	instrument	String	instrument_ph
attribute	pH_reference_voltage_raw	ioos_category	String	Other
attribute	pH_reference_voltage_raw	long_name	String	sbe41n pH reference voltage
attribute	pH_reference_voltage_raw	observation_type	String	measured
attribute	pH_reference_voltage_raw	units	String	volts
variable	platform_meta		byte
attribute	platform_meta	_FillValue	byte	127
attribute	platform_meta	depth_rating	String	350m
attribute	platform_meta	glider_type	String	Teledyne Webb Research Slocum G2 glider
attribute	platform_meta	id	String	University of Maine Slocum Glider um_242
attribute	platform_meta	instrument	String	instrument_ctd,instrument_flbbcd,instrument_pH,instrument_optode
attribute	platform_meta	ioos_category	String	Identifier
attribute	platform_meta	long_name	String	Platform Metadata
attribute	platform_meta	os_version	String	8.5
attribute	platform_meta	processing_level	int	2
attribute	platform_meta	type	String	platform
attribute	platform_meta	units	String	1
attribute	platform_meta	wmo_id	String	4802997
attribute	platform_meta	wmo_platform_code	String	4802997
variable	precise_lat		double
attribute	precise_lat	_ChunkSizes	uint	1
attribute	precise_lat	_FillValue	double	-9999.0
attribute	precise_lat	actual_range	double	42.67149, 44.28489
attribute	precise_lat	axis	String	Y
attribute	precise_lat	bytes	int	8
attribute	precise_lat	colorBarMaximum	double	90.0
attribute	precise_lat	colorBarMinimum	double	-90.0
attribute	precise_lat	comment	String	Interpolated latitude at each point in the time-series
attribute	precise_lat	coordinate_reference_frame	String	urn:ogc:crs:EPSG::4326
attribute	precise_lat	ioos_category	String	Location
attribute	precise_lat	long_name	String	Precise Latitude
attribute	precise_lat	observation_type	String	calculated
attribute	precise_lat	platform	String	platform
attribute	precise_lat	precision	int	5
attribute	precise_lat	processing_level	int	2
attribute	precise_lat	reference	String	WGS84
attribute	precise_lat	source_sensor	String	m_gps_lat
attribute	precise_lat	standard_name	String	latitude
attribute	precise_lat	units	String	degree_north
attribute	precise_lat	valid_max	double	90.0
attribute	precise_lat	valid_min	double	-90.0
variable	precise_lon		double
attribute	precise_lon	_ChunkSizes	uint	1
attribute	precise_lon	_FillValue	double	-9999.0
attribute	precise_lon	actual_range	double	-69.92395, -67.588
attribute	precise_lon	axis	String	X
attribute	precise_lon	bytes	int	8
attribute	precise_lon	colorBarMaximum	double	180.0
attribute	precise_lon	colorBarMinimum	double	-180.0
attribute	precise_lon	comment	String	Interpolated longitude at each point in the time-series
attribute	precise_lon	coordinate_reference_frame	String	urn:ogc:crs:EPSG::4326
attribute	precise_lon	ioos_category	String	Location
attribute	precise_lon	long_name	String	Precise Longitude
attribute	precise_lon	observation_type	String	calculated
attribute	precise_lon	platform	String	platform
attribute	precise_lon	precision	int	5
attribute	precise_lon	processing_level	int	2
attribute	precise_lon	reference	String	WGS84
attribute	precise_lon	source_sensor	String	m_gps_lon
attribute	precise_lon	standard_name	String	longitude
attribute	precise_lon	units	String	degree_east
attribute	precise_lon	valid_max	double	180.0
attribute	precise_lon	valid_min	double	-180.0
variable	precise_time		double
attribute	precise_time	_ChunkSizes	uint	1
attribute	precise_time	actual_range	double	1.662223796977203E9, 1.6650687117747524E9
attribute	precise_time	axis	String	T
attribute	precise_time	bytes	int	8
attribute	precise_time	calendar	String	gregorian
attribute	precise_time	comment	String	Timestamp at each point in the time-series
attribute	precise_time	ioos_category	String	Time
attribute	precise_time	long_name	String	Precise Time
attribute	precise_time	observation_type	String	measured
attribute	precise_time	processing_level	int	2
attribute	precise_time	source_sensor	String	m_present_time
attribute	precise_time	standard_name	String	time
attribute	precise_time	time_origin	String	01-JAN-1970 00:00:00
attribute	precise_time	units	String	seconds since 1970-01-01T00:00:00Z
attribute	precise_time	valid_max	double	2.147483647E9
attribute	precise_time	valid_min	double	0.0
variable	pressure		float
attribute	pressure	_ChunkSizes	uint	1
attribute	pressure	_FillValue	float	-9999.0
attribute	pressure	actual_range	float	0.06, 281.89
attribute	pressure	ancillary_variables	String	instrument_ctd qartod_pressure_flat_line_flag qartod_pressure_gross_range_flag qartod_pressure_rate_of_change_flag qartod_pressure_spike_flag qartod_monotonic_pressure_flag qartod_pressure_primary_flag
attribute	pressure	axis	String	Z
attribute	pressure	bytes	int	4
attribute	pressure	colorBarMaximum	double	2000.0
attribute	pressure	colorBarMinimum	double	0.0
attribute	pressure	comment	String	Converted from bar to decibar
attribute	pressure	instrument	String	instrument_ctd
attribute	pressure	ioos_category	String	Pressure
attribute	pressure	long_name	String	Sea Water Pressure
attribute	pressure	observation_type	String	measured
attribute	pressure	platform	String	platform
attribute	pressure	positive	String	down
attribute	pressure	precision	int	2
attribute	pressure	processing_level	int	2
attribute	pressure	reference_datum	String	sea-surface
attribute	pressure	sensor	String	sci_water_pressure
attribute	pressure	source_sensor	String	sci_water_pressure
attribute	pressure	standard_name	String	sea_water_pressure
attribute	pressure	units	String	decibar
attribute	pressure	valid_max	float	2000.0
attribute	pressure	valid_min	float	0.0
variable	pressure_interpolated		float
attribute	pressure_interpolated	_ChunkSizes	uint	1
attribute	pressure_interpolated	_FillValue	float	-9999.0
attribute	pressure_interpolated	actual_range	float	-65.34336, 281.5315
attribute	pressure_interpolated	ancillary_variables	String	pressure
attribute	pressure_interpolated	axis	String	Z
attribute	pressure_interpolated	comment	String	linear interpolated pressure used to calculate pH
attribute	pressure_interpolated	instrument	String	instrument_ctd
attribute	pressure_interpolated	ioos_category	String	Other
attribute	pressure_interpolated	long_name	String	CTD Pressure
attribute	pressure_interpolated	observation_type	String	calculated
attribute	pressure_interpolated	positive	String	down
attribute	pressure_interpolated	precision	String	2
attribute	pressure_interpolated	reference_datum	String	sea-surface
attribute	pressure_interpolated	standard_name	String	sea_water_pressure
attribute	pressure_interpolated	units	String	dbar
attribute	pressure_interpolated	valid_max	float	2000.0
attribute	pressure_interpolated	valid_min	float	0.0
variable	salinity		float
attribute	salinity	_ChunkSizes	uint	1
attribute	salinity	_FillValue	float	-9999.0
attribute	salinity	actual_range	float	30.95047, 35.48262
attribute	salinity	ancillary_variables	String	instrument_ctd qartod_salinity_flat_line_flag qartod_salinity_gross_range_flag qartod_salinity_rate_of_change_flag qartod_salinity_spike_flag qartod_salinity_primary_flag
attribute	salinity	colorBarMaximum	double	37.0
attribute	salinity	colorBarMinimum	double	30.0
attribute	salinity	instrument	String	instrument_ctd
attribute	salinity	ioos_category	String	Salinity
attribute	salinity	long_name	String	Sea Water Practical Salinity
attribute	salinity	observation_type	String	calculated
attribute	salinity	processing_level	int	2
attribute	salinity	standard_name	String	sea_water_practical_salinity
attribute	salinity	units	String	1
attribute	salinity	valid_max	float	0.0
attribute	salinity	valid_min	float	40.0
variable	salinity_interpolated		float
attribute	salinity_interpolated	_ChunkSizes	uint	1
attribute	salinity_interpolated	_FillValue	float	-9999.0
attribute	salinity_interpolated	actual_range	float	27.39744, 35.48262
attribute	salinity_interpolated	ancillary_variables	String	salinity
attribute	salinity_interpolated	comment	String	linear interpolated salinity used to calculate pH
attribute	salinity_interpolated	instrument	String	instrument_ctd
attribute	salinity_interpolated	ioos_category	String	Other
attribute	salinity_interpolated	long_name	String	Salinity
attribute	salinity_interpolated	observation_type	String	calculated
attribute	salinity_interpolated	standard_name	String	sea_water_practical_salinity
attribute	salinity_interpolated	units	String	1
attribute	salinity_interpolated	valid_max	float	40.0
attribute	salinity_interpolated	valid_min	float	0.0
variable	temperature		float
attribute	temperature	_ChunkSizes	uint	1
attribute	temperature	_FillValue	float	-9999.0
attribute	temperature	actual_range	float	6.99426, 20.35697
attribute	temperature	ancillary_variables	String	instrument_ctd qartod_temperature_flat_line_flag qartod_temperature_gross_range_flag qartod_temperature_rate_of_change_flag qartod_temperature_spike_flag qartod_temperature_primary_flag
attribute	temperature	bytes	int	4
attribute	temperature	colorBarMaximum	double	32.0
attribute	temperature	colorBarMinimum	double	0.0
attribute	temperature	comment	String	Native glider sensor name
attribute	temperature	instrument	String	instrument_ctd
attribute	temperature	ioos_category	String	Temperature
attribute	temperature	long_name	String	Sea Water Temperature
attribute	temperature	observation_type	String	measured
attribute	temperature	platform	String	platform
attribute	temperature	processing_level	int	2
attribute	temperature	sensor	String	sci_water_temp
attribute	temperature	source_sensor	String	sci_water_temp
attribute	temperature	standard_name	String	sea_water_temperature
attribute	temperature	units	String	degrees_C
attribute	temperature	valid_max	float	40.0
attribute	temperature	valid_min	float	-5.0
variable	temperature_interpolated		float
attribute	temperature_interpolated	_ChunkSizes	uint	1
attribute	temperature_interpolated	_FillValue	float	-9999.0
attribute	temperature_interpolated	actual_range	float	6.99426, 40.49288
attribute	temperature_interpolated	ancillary_variables	String	temperature
attribute	temperature_interpolated	comment	String	linear interpolated temperature used to calculate pH
attribute	temperature_interpolated	instrument	String	instrument_ctd
attribute	temperature_interpolated	ioos_category	String	Other
attribute	temperature_interpolated	long_name	String	Temperature
attribute	temperature_interpolated	observation_type	String	calculated
attribute	temperature_interpolated	standard_name	String	sea_water_temperature
attribute	temperature_interpolated	units	String	Celsius
attribute	temperature_interpolated	valid_max	float	40.0
attribute	temperature_interpolated	valid_min	float	-5.0
variable	time_uv		double
attribute	time_uv	_ChunkSizes	uint	1
attribute	time_uv	actual_range	double	1.662224E9, 1.665069E9
attribute	time_uv	comment	String	The depth-averaged current is an estimate of the net current measured while the glider is underwater. The value is calculated over the entire underwater segment, which may consist of 1 or more dives.
attribute	time_uv	ioos_category	String	Time
attribute	time_uv	long_name	String	Depth-averaged Time
attribute	time_uv	observation_type	String	calculated
attribute	time_uv	platform	String	platform
attribute	time_uv	processing_level	int	2
attribute	time_uv	standard_name	String	time
attribute	time_uv	time_origin	String	01-JAN-1970 00:00:00
attribute	time_uv	units	String	seconds since 1970-01-01T00:00:00Z
attribute	time_uv	valid_max	double	2.147483647E9
attribute	time_uv	valid_min	double	0.0
variable	total_alkalinity		float
attribute	total_alkalinity	_ChunkSizes	uint	1
attribute	total_alkalinity	_FillValue	float	-9999.0
attribute	total_alkalinity	actual_range	float	1947.118, 2331.973
attribute	total_alkalinity	ancillary_variables	String	salinity
attribute	total_alkalinity	comment	String	Calculated from salinity using the linear relationship (TA = 47.6 * salinity + 643.0) taken from Hunt et al 2021, figure 6, Historical regression for Gulf of Maine: https://doi.org/10.1016/j.marchem.2021.103960
attribute	total_alkalinity	ioos_category	String	Other
attribute	total_alkalinity	long_name	String	Total Alkalinity
attribute	total_alkalinity	observation_type	String	calculated
attribute	total_alkalinity	units	String	micromoles kg-1
variable	turbidity		float
attribute	turbidity	_ChunkSizes	uint	1
attribute	turbidity	_FillValue	float	9.96921E36
attribute	turbidity	actual_range	float	-0.1586, 24.8636
attribute	turbidity	ancillary_variables	String	instrument_flntu
attribute	turbidity	bytes	int	4
attribute	turbidity	comment	String	Native glider sensor name
attribute	turbidity	instrument	String	instrument_flntu
attribute	turbidity	ioos_category	String	Other
attribute	turbidity	long_name	String	sci_flntu_turb_units
attribute	turbidity	observation_type	String	measured
attribute	turbidity	platform	String	platform
attribute	turbidity	processing_level	int	2
attribute	turbidity	sensor	String	sci_flntu_turb_units
attribute	turbidity	source_sensor	String	sci_flntu_turb_units
attribute	turbidity	type	String	f4
attribute	turbidity	units	String	NTU
variable	u		double
attribute	u	_ChunkSizes	uint	1
attribute	u	_FillValue	double	-999.0
attribute	u	actual_range	double	-0.3318585, 0.1981072
attribute	u	ancillary_variables	String	instrument_ctd
attribute	u	bytes	int	4
attribute	u	colorBarMaximum	double	0.5
attribute	u	colorBarMinimum	double	-0.5
attribute	u	comment	String	The depth-averaged current is an estimate of the net current measured while the glider is underwater. The value is calculated over the entire underwater segment, which may consist of 1 or more dives.
attribute	u	coordinates	String	lon_uv lat_uv time_uv
attribute	u	instrument	String	instrument_ctd
attribute	u	ioos_category	String	Currents
attribute	u	long_name	String	Depth-averaged Eastward Sea Water Velocity
attribute	u	observation_type	String	calculated
attribute	u	platform	String	platform
attribute	u	processing_level	int	2
attribute	u	sensor	String	m_final_water_vx
attribute	u	source_sensor	String	m_final_water_vx
attribute	u	standard_name	String	eastward_sea_water_velocity
attribute	u	type	String	f4
attribute	u	units	String	m s-1
attribute	u	valid_max	double	5.0
attribute	u	valid_min	double	-5.0
variable	v		double
attribute	v	_ChunkSizes	uint	1
attribute	v	_FillValue	double	-999.0
attribute	v	actual_range	double	-0.2697525, 0.3694503
attribute	v	ancillary_variables	String	instrument_ctd
attribute	v	bytes	int	4
attribute	v	colorBarMaximum	double	0.5
attribute	v	colorBarMinimum	double	-0.5
attribute	v	comment	String	The depth-averaged current is an estimate of the net current measured while the glider is underwater. The value is calculated over the entire underwater segment, which may consist of 1 or more dives.
attribute	v	coordinates	String	lon_uv lat_uv time_uv
attribute	v	instrument	String	instrument_ctd
attribute	v	ioos_category	String	Currents
attribute	v	long_name	String	Depth-averaged Northward Sea Water Velocity
attribute	v	observation_type	String	calculated
attribute	v	platform	String	platform
attribute	v	processing_level	int	2
attribute	v	sensor	String	m_final_water_vy
attribute	v	source_sensor	String	m_final_water_vy
attribute	v	standard_name	String	northward_sea_water_velocity
attribute	v	type	String	f4
attribute	v	units	String	m s-1
attribute	v	valid_max	double	5.0
attribute	v	valid_min	double	-5.0

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.