HDF5 file, superblock version 0
group /
	attribute AssetManagementRecordLastModified = "2023-06-02T18:55:57.892000"
	attribute AssetUniqueID = "ATOSU-58332-00008"
	attribute Conventions = "CF-1.6"
	attribute Description = "Spectrophotometer: OPTAA Series D"
	attribute FirmwareVersion = "Not specified."
	attribute Manufacturer = "WET Labs"
	attribute Metadata_Conventions = "Unidata Dataset Discovery v1.0"
	attribute Mobile = "False"
	attribute ModelNumber = "AC-S"
	attribute Notes = "Not specified."
	attribute Owner = "Not specified."
	attribute RemoteResources = "[]"
	attribute SerialNumber = "ACS-221"
	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 = "2023-06-15T19:54:10.967565"
	attribute date_modified = "2023-06-15T19:54:10.967568"
	attribute featureType = "point"
	attribute feature_Type = "point"
	attribute geospatial_lat_max = 44.637185
	attribute geospatial_lat_min = 44.637185
	attribute geospatial_lat_resolution = 0.1
	attribute geospatial_lat_units = "degrees_north"
	attribute geospatial_lon_max = -124.305903
	attribute geospatial_lon_min = -124.305903
	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 = "2023-06-15T19:54:10.967519 generated from Stream Engine"
	attribute id = "CE02SHBP-LJ01D-08-OPTAAD106-streamed-optaa_sample"
	attribute infoUrl = "http://oceanobservatories.org/"
	attribute institution = "Ocean Observatories Initiative"
	attribute keywords = ""
	attribute keywords_vocabulary = ""
	attribute lat = 44.637185
	attribute license = ""
	attribute lon = -124.305903
	attribute naming_authority = "org.oceanobservatories"
	attribute nodc_template_version = "NODC_NetCDF_TimeSeries_Orthogonal_Template_v1.1"
	attribute node = "LJ01D"
	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 = "a7e0bdf9-7afb-4268-a76f-d719fe30c89c"
	attribute sensor = "08-OPTAAD106"
	attribute source = "CE02SHBP-LJ01D-08-OPTAAD106-streamed-optaa_sample"
	attribute sourceUrl = "http://oceanobservatories.org/"
	attribute standard_name_vocabulary = "NetCDF Climate and Forecast (CF) Metadata Convention Standard Name Table 29"
	attribute stream = "optaa_sample"
	attribute subsite = "CE02SHBP"
	attribute summary = "Dataset Generated by Stream Engine from Ocean Observatories Initiative"
	attribute time_coverage_end = "2015-08-27T13:59:45"
	attribute time_coverage_resolution = "P14.07S"
	attribute time_coverage_start = "2015-08-27T10:00:20"
	attribute title = "Data produced by Stream Engine version 1.20.6 for CE02SHBP-LJ01D-08-OPTAAD106-streamed-optaa_sample"
	attribute uuid = "a7e0bdf9-7afb-4268-a76f-d719fe30c89c"
dataset /a_reference_counts: uint16, shape (1021, 77)
	attribute _FillValue = 65535
	attribute comment = "Array of raw a-channel reference counts, used to compute the Optical Absorption Coefficient data product."
	attribute coordinates = "time lat lon"
	attribute data_product_identifier = "OPTAREF_L0"
	attribute long_name = "Reference Absorption"
	attribute precision = 0
	attribute units = "counts"
dataset /a_reference_dark_counts: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "A-channel reference dark counts, used for diagnostic purposes"
	attribute coordinates = "time lat lon"
	attribute long_name = "Absorption Dark Reference"
	attribute precision = 0
	attribute units = "counts"
dataset /a_signal_counts: uint16, shape (1021, 77)
	attribute _FillValue = 65535
	attribute comment = "Array of raw a-channel signal counts. This is the uncorrected absorption measurement."
	attribute coordinates = "time lat lon"
	attribute data_product_identifier = "OPTASIG_L0"
	attribute long_name = "Signal Absorption"
	attribute precision = 0
	attribute units = "counts"
dataset /a_signal_dark_counts: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "A-signal reference dark counts, used for diagnostic purposes"
	attribute coordinates = "time lat lon"
	attribute long_name = "Absorption Dark Signal"
	attribute precision = 0
	attribute units = "counts"
dataset /beam_attenuation: float64, shape (1021, 77)
	attribute _FillValue = -9999999.0
	attribute ancillary_variables = "sea_water_practical_salinity internal_temp_raw sea_water_temperature c_signal_counts c_reference_counts"
	attribute comment = "The Optical Beam Attenuation Coefficient is the rate that the intensity of a beam of light will decrease in response to the combined effects of absorption and scatter as a function of propagation distance. The Attenuation Coefficient results from the spectral beam attenuation of the combination of all seawater impurities including all particulate and dissolved matter of optical importance."
	attribute coordinates = "time lat lon"
	attribute data_product_identifier = "OPTATTN_L2"
	attribute long_name = "Optical Beam Attenuation Coefficient"
	attribute precision = 6
	attribute units = "m-1"
dataset /c_reference_counts: uint16, shape (1021, 77)
	attribute _FillValue = 65535
	attribute comment = "Array of raw c-channel reference counts, used to compute the Optical Beam Attenuation Coefficient data product."
	attribute coordinates = "time lat lon"
	attribute data_product_identifier = "OPTCREF_L0"
	attribute long_name = "Reference Beam Attenuation"
	attribute precision = 0
	attribute units = "counts"
dataset /c_reference_dark_counts: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "C-channel reference dark counts, used for diagnostic purposes"
	attribute coordinates = "time lat lon"
	attribute long_name = "Attenuation Dark Reference"
	attribute precision = 0
	attribute units = "counts"
dataset /c_signal_counts: uint16, shape (1021, 77)
	attribute _FillValue = 65535
	attribute comment = "Array of raw c-channel signal counts. This is the uncorrected beam attenuation measurement."
	attribute coordinates = "time lat lon"
	attribute data_product_identifier = "OPTCSIG_L0"
	attribute long_name = "Signal Beam Attenuation"
	attribute precision = 0
	attribute units = "counts"
dataset /c_signal_dark_counts: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "C-signal reference dark counts, used for diagnostic purposes"
	attribute coordinates = "time lat lon"
	attribute long_name = "Attenuation Dark Signal"
	attribute precision = 0
	attribute units = "counts"
dataset /checksum: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "Contains a modulo 65535 checksum. Checksum is the calculated by summing all bytes in output buffer, excluding checksum"
	attribute coordinates = "time lat lon"
	attribute long_name = "Checksum"
	attribute precision = 0
	attribute units = "1"
dataset /deployment: int32, shape (1021)
	attribute name = "deployment"
dataset /driver_timestamp: float64, shape (1021)
	attribute _FillValue = -9999999.0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "Driver timestamp, UTC"
	attribute long_name = "Driver Timestamp, UTC"
	attribute units = "seconds since 1900-01-01"
dataset /elapsed_run_time: uint32, shape (1021)
	attribute _FillValue = 0
	attribute comment = "Time is milliseconds since instrument was powered up"
	attribute coordinates = "time lat lon"
	attribute long_name = "Elapsed Run Time"
	attribute precision = 0
	attribute units = "ms"
dataset /external_temp_raw: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "Temperature external to the instrument measured in counts"
	attribute coordinates = "time lat lon"
	attribute long_name = "Raw External Temperature"
	attribute precision = 0
	attribute units = "counts"
dataset /id: string(1), shape (1021, 36)
	attribute name = "id"
dataset /ingestion_timestamp: float64, shape (1021)
	attribute _FillValue = -9999.0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "The NTP Timestamp for when the granule was ingested"
	attribute long_name = "Ingestion Timestamp, UTC"
	attribute units = "seconds since 1900-01-01"
dataset /internal_temp_raw: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "Internal Instrument Temperature of the Absorption Spectrophotometer. These data are used in the calculation of the optical absorption coefficient as changes in instrument internal temperature may alter absorption properties of the seawater."
	attribute coordinates = "time lat lon"
	attribute data_product_identifier = "OPTTEMP_L0"
	attribute long_name = "Internal Instrument Temperature Measurement"
	attribute precision = 0
	attribute units = "counts"
dataset /internal_timestamp: float64, shape (1021)
	attribute _FillValue = -9999999.0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "Internal timestamp, UTC"
	attribute long_name = "Internal Timestamp, UTC"
	attribute units = "seconds since 1900-01-01"
dataset /meter_type: uint8, shape (1021)
	attribute _FillValue = 255
	attribute comment = "Meter type -- 53 indicates an ac-s"
	attribute coordinates = "time lat lon"
	attribute long_name = "Meter Type"
	attribute precision = 0
	attribute units = "1"
dataset /num_wavelengths: uint8, shape (1021)
	attribute _FillValue = 0
	attribute comment = "Number of output wavelengths"
	attribute coordinates = "time lat lon"
	attribute long_name = "Number of Wavelengths"
	attribute precision = 0
	attribute units = "1"
dataset /obs: int32, shape (1021)
dataset /optical_absorption: float64, shape (1021, 77)
	attribute _FillValue = -9999999.0
	attribute ancillary_variables = "a_reference_counts sea_water_practical_salinity a_signal_counts internal_temp_raw beam_attenuation sea_water_temperature"
	attribute comment = "Optical Absorption Coefficient is the rate that the intensity of a beam of light will decrease in response to the absorption (removal) of light energy as a function of propagation distance. The Optical Absorption Coefficient reflects the absorption coefficient for the combination of all seawater impurities including all particulate and dissolved matter of optical importance."
	attribute coordinates = "time lat lon"
	attribute data_product_identifier = "OPTABSN_L2"
	attribute long_name = "Optical Absorption Coefficient"
	attribute precision = 6
	attribute units = "m-1"
dataset /packet_type: uint8, shape (1021)
	attribute _FillValue = 255
	attribute comment = "Distinguishes ac-s versus Histar data packets"
	attribute coordinates = "time lat lon"
	attribute long_name = "Packet Type"
	attribute precision = 0
	attribute units = "1"
dataset /port_timestamp: float64, shape (1021)
	attribute _FillValue = -9999999.0
	attribute calendar = "proleptic_gregorian"
	attribute comment = "Port timestamp, UTC"
	attribute long_name = "Port Timestamp, UTC"
	attribute units = "seconds since 1900-01-01"
dataset /preferred_timestamp: string(1), shape (1021, 18)
	attribute _FillValue = "e"
	attribute comment = "Timestamp preferred as official record."
	attribute long_name = "Preferred Timestamp"
dataset /pressure_counts: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "Raw A/D counts from the pressure sensor"
	attribute coordinates = "time lat lon"
	attribute long_name = "Pressure"
	attribute precision = 0
	attribute units = "counts"
dataset /provenance: string(1), shape (1021, 1)
	attribute coordinates = "time lat lon"
	attribute name = "provenance"
dataset /record_length: uint16, shape (1021)
	attribute _FillValue = 65535
	attribute comment = "Number of bytes sent in the packet"
	attribute coordinates = "time lat lon"
	attribute long_name = "Record Length"
	attribute precision = 0
	attribute units = "1"
dataset /sea_water_practical_salinity: float64, shape (1021)
	attribute _FillValue = nan
	attribute alternate_parameter_name = "ctdbp_no_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 = "time lat lon"
	attribute data_product_identifier = "PRACSAL_L2"
	attribute instrument = "CE02SHBP-LJ01D-06-CTDBPN106"
	attribute long_name = "Practical Salinity"
	attribute precision = 4
	attribute standard_name = "sea_water_practical_salinity"
	attribute stream = "ctdbp_no_sample"
	attribute units = "1"
dataset /sea_water_temperature: float64, shape (1021)
	attribute _FillValue = nan
	attribute alternate_parameter_name = "ctdbp_no_sample-seawater_temperature"
	attribute comment = "Seawater temperature near the sensor."
	attribute coordinates = "time lat lon"
	attribute data_product_identifier = "TEMPWAT_L1"
	attribute instrument = "CE02SHBP-LJ01D-06-CTDBPN106"
	attribute long_name = "Seawater Temperature"
	attribute precision = 4
	attribute standard_name = "sea_water_temperature"
	attribute stream = "ctdbp_no_sample"
	attribute units = "degrees_Celsius"
dataset /serial_number: string(1), shape (1021, 3)
	attribute _FillValue = "e"
	attribute comment = "Serial Number"
	attribute coordinates = "time lat lon"
	attribute long_name = "Serial Number"
	attribute precision = 0
	attribute units = "1"
dataset /string1: float32, shape (1)
dataset /string18: float32, shape (18)
dataset /string3: float32, shape (3)
dataset /string36: float32, shape (36)
dataset /time: float64, shape (1021)
	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 /wavelength: float64, shape (77)
	attribute _FillValue = -9999999.0
	attribute comment = "The wavelength dimension."
	attribute coordinates = "time lat lon"
	attribute long_name = "Wavelength"
	attribute precision = 6
	attribute units = "1"
// wavelength: first -9999999.0, last -9999999.0, count 77
dataset /wavelength_a: float64, shape (77)
	attribute _FillValue = -9999999.0
	attribute comment = "The wavelength at which optical absorption measurements were taken in nm"
	attribute coordinates = "time lat lon"
	attribute long_name = "Optical Absorption Wavelength"
	attribute precision = 6
	attribute units = "nm"
dataset /wavelength_c: float64, shape (77)
	attribute _FillValue = -9999999.0
	attribute comment = "The wavelength at which beam attenuation measurements were taken in nm"
	attribute coordinates = "time lat lon"
	attribute long_name = "Beam Attenuation Wavelength"
	attribute precision = 6
	attribute units = "nm"