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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 (external link)
attribute NC_GLOBAL date_created String 2024-06-27T10:59:04Z
attribute NC_GLOBAL date_issued String 2024-06-27T10:59:04Z
attribute NC_GLOBAL date_modified String 2024-06-27T00:55:01Z
attribute NC_GLOBAL Easternmost_Easting double -67.583
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 44.12224
attribute NC_GLOBAL geospatial_lat_min double 42.78731
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -67.583
attribute NC_GLOBAL geospatial_lon_min double -70.41848
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 286.203
attribute NC_GLOBAL geospatial_vertical_min double 0.481483
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 2024-06-27T10:59:04Z /home/rhp/spt/export/nc/IOOS/DAC/writeIoosGliderFlatNc.m
attribute NC_GLOBAL id String um_242-20231208T1426
attribute NC_GLOBAL infoUrl String https://gliders.ioos.us/erddap/ (external link)
attribute NC_GLOBAL institution String University of Maine
attribute NC_GLOBAL ioos_dac_checksum String 484e37e82a0ad015ea45780ab5362804
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 44.12224
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 (external link)
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 42.78731
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 2023-12-08T14:31:27Z
attribute NC_GLOBAL time_coverage_start String 2023-11-09T15:30:25Z
attribute NC_GLOBAL title String um_242-20231109T1526-delayed
attribute NC_GLOBAL Westernmost_Easting double -70.41848
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, 2594
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 1.6995438257358828E9, 1.7020458878708436E9
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 42.78731, 44.12224
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 -70.41848, -67.583
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 0.481483, 286.203
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 1.06293, 1.873754
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 -0.552, 14.688
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 3.38604, 3.64787
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 1024.607, 1027.964
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 42.78614, 44.12241
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 -70.41856, -67.58096
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 127.4224, 243.1135
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 127.62, 242.98
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 42.87978, 82.64521
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 42.94, 82.62
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 7.785801, 8.043239
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 7.785541, 8.039418
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 -0.9603177, -0.9445567
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 -0.960337, -0.94512
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 42.78614, 44.12241
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 -70.41856, -67.58096
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 1.6995436156297603E9, 1.702046158009833E9
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 0.31, 281.42
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 0.4597677, 281.1815
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 31.75226, 34.39989
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 31.78542, 34.39989
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 7.407092, 11.08615
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 7.407092, 11.08615
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 1.699544E9, 1.702046E9
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 2155.986, 2280.435
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 -0.2562, 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 -0.3198576, 0.1214932
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 -0.2239797, 0.3454141
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.


 
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