HDF5 file, superblock version 2
group /
	attribute AssetManagementRecordLastModified = "2022-09-19T17:11:43.685000"
	attribute AssetUniqueID = "ATAPL-58337-00006"
	attribute Conventions = "CF-1.6"
	attribute Description = "Seawater pH: PHSEN Series A"
	attribute FirmwareVersion = "Not specified."
	attribute Manufacturer = "Sunburst Sensors"
	attribute Metadata_Conventions = "Unidata Dataset Discovery v1.0"
	attribute Mobile = "False"
	attribute ModelNumber = "SAMI-pH"
	attribute Notes = "Not specified."
	attribute Owner = "University of Washington"
	attribute RemoteResources = "[]"
	attribute SerialNumber = "P0133"
	attribute ShelfLifeExpirationDate = "Not specified."
	attribute SoftwareVersion = "Not specified."
	attribute acknowledgement = ""
	attribute cdm_data_type = "Point"
	attribute collection_method = "streamed"
	attribute comment = ""
	attribute contributor_name = ""
	attribute contributor_role = ""
	attribute creator_email = ""
	attribute creator_name = "Ocean Observatories Initiative"
	attribute creator_url = "http://oceanobservatories.org/"
	attribute date_created = "2022-09-27T03:58:05.769265"
	attribute date_modified = "2022-09-27T03:58:05.769267"
	attribute featureType = "point"
	attribute feature_Type = "point"
	attribute geospatial_lat_max = 44.374225
	attribute geospatial_lat_min = 44.374225
	attribute geospatial_lat_resolution = 0.1
	attribute geospatial_lat_units = "degrees_north"
	attribute geospatial_lon_max = -124.956429
	attribute geospatial_lon_min = -124.956429
	attribute geospatial_lon_resolution = 0.1
	attribute geospatial_lon_units = "degrees_east"
	attribute geospatial_vertical_positive = "down"
	attribute geospatial_vertical_resolution = 0.1
	attribute geospatial_vertical_units = "meters"
	attribute history = "2022-09-27T03:58:05.769233 generated from Stream Engine"
	attribute id = "CE04OSPS-SF01B-2B-PHSENA108-streamed-phsen_data_record"
	attribute infoUrl = "http://oceanobservatories.org/"
	attribute institution = "Ocean Observatories Initiative"
	attribute keywords = ""
	attribute keywords_vocabulary = ""
	attribute license = ""
	attribute naming_authority = "org.oceanobservatories"
	attribute nodc_template_version = "NODC_NetCDF_TimeSeries_Orthogonal_Template_v1.1"
	attribute node = "SF01B"
	attribute processing_level = "L2"
	attribute project = "Ocean Observatories Initiative"
	attribute publisher_email = ""
	attribute publisher_name = "Ocean Observatories Initiative"
	attribute publisher_url = "http://oceanobservatories.org/"
	attribute references = "More information can be found at http://oceanobservatories.org/"
	attribute requestUUID = "8d772684-b6b4-45ed-ace4-f2adf0567f4e"
	attribute sensor = "2B-PHSENA108"
	attribute source = "CE04OSPS-SF01B-2B-PHSENA108-streamed-phsen_data_record"
	attribute sourceUrl = "http://oceanobservatories.org/"
	attribute standard_name_vocabulary = "NetCDF Climate and Forecast (CF) Metadata Convention Standard Name Table 29"
	attribute stream = "phsen_data_record"
	attribute subsite = "CE04OSPS"
	attribute summary = "Dataset Generated by Stream Engine from Ocean Observatories Initiative"
	attribute time_coverage_end = "2022-09-27T02:06:21.047652"
	attribute time_coverage_resolution = "P2396.35S"
	attribute time_coverage_start = "2022-09-26T02:08:32.347726"
	attribute title = "Data produced by Stream Engine version 1.20.2 for CE04OSPS-SF01B-2B-PHSENA108-streamed-phsen_data_record"
	attribute uuid = "8d772684-b6b4-45ed-ace4-f2adf0567f4e"
dataset /checksum: uint8, shape (36)
	attribute _FillValue = 0
	attribute comment = "Data checksum."
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Data Checksum"
	attribute precision = 0
	attribute units = "1"
dataset /deployment: int32, shape (36)
	attribute coordinates = "lat depth lon time"
	attribute name = "deployment"
dataset /depth: float64, shape (36)
	attribute _FillValue = nan
	attribute axis = "Z"
	attribute comment = "Depth (m) calculated from pressure (dbar) and latitude."
	attribute instrument = "CE04OSPS-SF01B-2A-CTDPFA107"
	attribute long_name = "Depth calculated from pressure"
	attribute precision = 3
	attribute stream = "ctdpf_sbe43_sample"
	attribute units = "m"
dataset /driver_timestamp: float64, shape (36)
	attribute _FillValue = -9999999.0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "Driver timestamp, UTC"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Driver Timestamp, UTC"
	attribute units = "seconds since 1900-01-01"
dataset /id: string(1), shape (36, 36)
	attribute coordinates = "lat depth lon time"
	attribute name = "id"
dataset /ingestion_timestamp: float64, shape (36)
	attribute _FillValue = -9999.0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "The NTP Timestamp for when the granule was ingested"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Ingestion Timestamp, UTC"
	attribute units = "seconds since 1900-01-01"
dataset /int_ctd_pressure: float64, shape (36)
	attribute _FillValue = nan
	attribute comment = "Seawater Pressure refers to the pressure exerted on a sensor in situ by the weight of the column of seawater above it. It is calculated by subtracting one standard atmosphere from the absolute pressure at the sensor to remove the weight of the atmosphere on top of the water column. The pressure at a sensor in situ provides a metric of the depth of that sensor."
	attribute coordinates = "lat depth lon time"
	attribute data_product_identifier = "PRESWAT_L1"
	attribute long_name = "Seawater Pressure"
	attribute precision = 3
	attribute standard_name = "sea_water_pressure"
	attribute units = "dbar"
dataset /internal_timestamp: float64, shape (36)
	attribute _FillValue = -9999999.0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "Internal timestamp, UTC"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Internal Timestamp, UTC"
	attribute units = "seconds since 1900-01-01"
dataset /lat: float64, shape (36)
	attribute _FillValue = nan
	attribute axis = "Y"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /lon: float64, shape (36)
	attribute _FillValue = nan
	attribute axis = "X"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /obs: int32, shape (36)
dataset /ph_light_measurements: int16, shape (36, 92)
	attribute _FillValue = -9999
	attribute comment = "Array of ph light measurements"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Array of PH Light Measurements"
	attribute precision = 0
	attribute units = "counts"
dataset /ph_light_measurements_dim_0: int32, shape (92)
// ph_light_measurements_dim_0: first 0, last 91, count 92
dataset /ph_seawater: float64, shape (36)
	attribute _FillValue = -9999999.0
	attribute ancillary_variables = "ph_seawater_qartod_results ph_seawater_qartod_executed phsen_thermistor_temperature ph_light_measurements sea_water_practical_salinity reference_light_measurements"
	attribute comment = "pH is a measurement of the concentration of hydrogen ions in a solution. pH ranges from acidic to basic on a scale from 0 to 14 with 7 being neutral. The OOI pH algorithm was updated to use an L2 product (PRACSAL) from a nearby CTD instead of a calibration coefficient. This changed the data product type from L1 to L2."
	attribute coordinates = "lat depth lon time"
	attribute data_product_identifier = "PHWATER_L2"
	attribute long_name = "pH"
	attribute precision = 4
	attribute standard_name = "sea_water_ph_reported_on_total_scale"
	attribute units = "1"
dataset /ph_seawater_qartod_executed: string, shape (36)
	attribute comment = "Individual QARTOD test flags. For each datum, flags are listed in a string matching the order of the tests_executed attribute. Flags should be interpreted using the standard QARTOD mapping: [1: pass, 2: not_evaluated, 3: suspect_or_of_high_interest, 4: fail, 9: missing_data]."
	attribute coordinates = "lat depth lon time"
	attribute long_name = "pH Individual QARTOD Flags"
	attribute references = "https://ioos.noaa.gov/project/qartod https://github.com/ioos/ioos_qc"
	attribute standard_name = "sea_water_ph_reported_on_total_scale status_flag"
	attribute tests_executed = "gross_range_test, climatology_test"
dataset /ph_seawater_qartod_results: uint8, shape (36)
	attribute comment = "Summary QARTOD test flags. For each datum, the flag is set to the most significant result of all QARTOD tests run for that datum."
	attribute coordinates = "lat depth lon time"
	attribute flag_meanings = "pass not_evaluated suspect_or_of_high_interest fail missing_data"
	attribute flag_values = 1, 2, 3, 4, 9
	attribute long_name = "pH QARTOD Summary Flag"
	attribute references = "https://ioos.noaa.gov/project/qartod https://github.com/ioos/ioos_qc"
	attribute standard_name = "sea_water_ph_reported_on_total_scale status_flag"
dataset /ph_seawater_qc_executed: uint8, shape (36)
	attribute coordinates = "lat depth lon time"
dataset /ph_seawater_qc_results: uint8, shape (36)
	attribute coordinates = "lat depth lon time"
dataset /phsen_battery_volts: float64, shape (36)
	attribute _FillValue = -9999999.0
	attribute ancillary_variables = "voltage_battery"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Battery Voltage"
	attribute precision = 4
	attribute units = "V"
dataset /phsen_thermistor_temperature: float64, shape (36)
	attribute _FillValue = -9999999.0
	attribute ancillary_variables = "thermistor_end"
	attribute comment = "Thermistor Temperature refers to the internal instrument temperature of the pH sensor, as measured by the thermistor (in volts). It is used to determine salinity and temperature dependent molar absorptivities in the seawater sample in order to make an accurate pH estimation."
	attribute coordinates = "lat depth lon time"
	attribute data_product_identifier = "ABSTHRM_L1"
	attribute long_name = "Thermistor Temperature at End of Measurement"
	attribute precision = 4
	attribute units = "V"
dataset /port_timestamp: float64, shape (36)
	attribute _FillValue = -9999999.0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "Port timestamp, UTC"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Port Timestamp, UTC"
	attribute units = "seconds since 1900-01-01"
dataset /preferred_timestamp: string(1), shape (36, 14)
	attribute _FillValue = "e"
	attribute comment = "Timestamp preferred as official record."
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Preferred Timestamp"
dataset /provenance: string(1), shape (36, 36)
	attribute coordinates = "lat depth lon time"
	attribute name = "provenance"
dataset /record_length: uint8, shape (36)
	attribute _FillValue = 0
	attribute comment = "A 1 byte value indicating the length of the record. Records can be up to 255 bytes long"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Record Length"
	attribute precision = 0
	attribute units = "1"
dataset /record_time: uint32, shape (36)
	attribute _FillValue = 0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "Time of control record in seconds since January 1, 1904."
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Record Time, UTC"
	attribute precision = 0
	attribute units = "seconds since 1904-01-01"
dataset /record_type: uint8, shape (36)
	attribute _FillValue = 0
	attribute comment = "Record type"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Record Type"
	attribute precision = 0
	attribute units = "1"
dataset /reference_light_measurements: int16, shape (36, 16)
	attribute _FillValue = -9999
	attribute comment = "Array of reference light measurements"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Array of Reference Light Measurements"
	attribute precision = 0
	attribute units = "counts"
dataset /reference_light_measurements_dim_0: int32, shape (16)
// reference_light_measurements_dim_0: first 0, last 15, count 16
dataset /sea_water_practical_salinity: float64, shape (36)
	attribute _FillValue = nan
	attribute alternate_parameter_name = "ctdpf_sbe43_sample-practical_salinity"
	attribute comment = "Salinity is generally defined as the concentration of dissolved salt in a parcel of seawater. Practical Salinity is a more specific unitless quantity calculated from the conductivity of seawater and adjusted for temperature and pressure. It is approximately equivalent to Absolute Salinity (the mass fraction of dissolved salt in seawater) but they are not interchangeable."
	attribute coordinates = "lat depth lon time"
	attribute data_product_identifier = "PRACSAL_L2"
	attribute instrument = "CE04OSPS-SF01B-2A-CTDPFA107"
	attribute long_name = "Practical Salinity"
	attribute precision = 4
	attribute standard_name = "sea_water_practical_salinity"
	attribute stream = "ctdpf_sbe43_sample"
	attribute units = "1"
dataset /signal_intensity_434: float64, shape (36, 23)
	attribute _FillValue = -9999999.0
	attribute ancillary_variables = "ph_light_measurements"
	attribute comment = "Signal intensity at 434nm ranging from 0 to 4096 (corresponds to a direct current volt range of 0 to 5)"
	attribute coordinates = "lat depth lon time"
	attribute data_product_identifier = "PH434SI_L0"
	attribute long_name = "Optical Absorbance Signal Intensity at 434 nm"
	attribute precision = 0
	attribute units = "counts"
dataset /signal_intensity_434_dim_0: int32, shape (23)
// signal_intensity_434_dim_0: first 0, last 22, count 23
dataset /signal_intensity_578: float64, shape (36, 23)
	attribute _FillValue = -9999999.0
	attribute ancillary_variables = "ph_light_measurements"
	attribute comment = "Signal intensity at 578nm ranging from 0 to 4096 (corresponds to a direct current volt range of 0 to 5)"
	attribute coordinates = "lat depth lon time"
	attribute data_product_identifier = "PH578SI_L0"
	attribute long_name = "Optical Absorbance Signal Intensity at 578 Nm"
	attribute precision = 0
	attribute units = "counts"
dataset /signal_intensity_578_dim_0: int32, shape (23)
// signal_intensity_578_dim_0: first 0, last 22, count 23
dataset /string14: float32, shape (14)
dataset /string36: float32, shape (36)
dataset /thermistor_end: int16, shape (36)
	attribute _FillValue = -9999
	attribute comment = "Thermistor resistivity with a DC volt range of 0 to 5"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Thermistor Resistivity at End of Measurement"
	attribute precision = 0
	attribute units = "counts"
dataset /thermistor_start: int16, shape (36)
	attribute _FillValue = -9999
	attribute comment = "Starting thermistor value"
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Thermistor Resistivity at Start of Measurement"
	attribute precision = 0
	attribute units = "counts"
dataset /time: float64, shape (36)
	attribute _FillValue = -9999999.0
	attribute axis = "T"
	attribute calendar = "gregorian"
	attribute long_name = "time"
	attribute standard_name = "time"
	attribute units = "seconds since 1900-01-01"
dataset /unique_id: uint8, shape (36)
	attribute _FillValue = 0
	attribute comment = "A 1 byte hash of the SAMI name and calibration."
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Instrument Unique ID"
	attribute precision = 0
	attribute units = "1"
dataset /voltage_battery: int16, shape (36)
	attribute _FillValue = -9999
	attribute comment = "Battery voltage in counts."
	attribute coordinates = "lat depth lon time"
	attribute long_name = "Voltage Battery"
	attribute precision = 0
	attribute units = "counts"