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ERDDAP > info > OBSEA_seabed_station_SPL_L1c

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OBSEA_seabed_station_SPL_L1c

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String TimeSeries
attribute NC_GLOBAL cdm_timeseries_variables String platform_id,sensor_id,latitude,longitude,depth
attribute NC_GLOBAL contributor_types String ProjectLeader DataCurator DataCollector DataCollector
attribute NC_GLOBAL contributors String Joaquin del Rio Enoc Martinez Marc Nogueras Daniel M. Toma
attribute NC_GLOBAL Conventions String OceanSITES EMSO CF-1.8
attribute NC_GLOBAL data_mode String D
attribute NC_GLOBAL data_type String OceanSITES profile data
attribute NC_GLOBAL date_created String 2026-03-30
attribute NC_GLOBAL Easternmost_Easting double 1.75257
attribute NC_GLOBAL emso_regional_facility_name String Balearic Sea
attribute NC_GLOBAL emso_regional_facility_uri String https://w3id.org/earthsemantics/OSO#Balearic_Sea (external link)
attribute NC_GLOBAL emso_site_name String OBSEA
attribute NC_GLOBAL emso_site_uri String https://w3id.org/earthsemantics/OSO#OBSEA (external link)
attribute NC_GLOBAL featureType String TimeSeries
attribute NC_GLOBAL format_version String 1.4
attribute NC_GLOBAL geospatial_lat_max double 41.18212
attribute NC_GLOBAL geospatial_lat_min double 41.18212
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 1.75257
attribute NC_GLOBAL geospatial_lon_min double 1.75257
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 20.0
attribute NC_GLOBAL geospatial_vertical_min double 20.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://edmo.seadatanet.org/report/2150 (external link)
attribute NC_GLOBAL institution String UPC - Universitat Politècnica de Catalunya
attribute NC_GLOBAL institution_edmo_code String 2150
attribute NC_GLOBAL institution_edmo_uri String https://edmo.seadatanet.org/report/2150 (external link)
attribute NC_GLOBAL institution_ror_uri String https://ror.org/03mb6wj31 (external link)
attribute NC_GLOBAL license String CC-BY-4.0
attribute NC_GLOBAL license_uri String https://spdx.org/licenses/CC-BY-4.0 (external link)
attribute NC_GLOBAL network String EMSO
attribute NC_GLOBAL Northernmost_Northing double 41.18212
attribute NC_GLOBAL principal_investigator String Joaquin del Rio
attribute NC_GLOBAL principal_investigator_email String joaquin.del.rio at upc.edu
attribute NC_GLOBAL source String mooring
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 41.18212
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL subsetVariables String platform_id,sensor_id,depth,SPL_125_QC,SPL_2000_QC,SPL_63_QC,SPL_all_QC
attribute NC_GLOBAL summary String Sound Pressure Level (SPL) time series derived from passive acoustic recordings at the OBSEA seabed observatory. Data are computed following Marine Strategy Framework Directive (MSFD) guidelines. SPL values are calculated in 1/3-octave bands (63 Hz, 125 Hz and 2 kHz) using 10-second time windows. Data is averaged every 30 minutes
attribute NC_GLOBAL time_coverage_end String 2026-03-30T08:30:00Z
attribute NC_GLOBAL time_coverage_start String 2020-04-06T21:30:00Z
attribute NC_GLOBAL title String Sound Pressure Level time series at OBSEA seabed observatory (30min averages)
attribute NC_GLOBAL update_interval String void
attribute NC_GLOBAL Westernmost_Easting double 1.75257
variable time   double  
attribute time _ChunkSizes uint 1072
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.5862086E9, 1.7748594E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String time of measurements
attribute time monotonic String increasing
attribute time sdn_parameter_name String Elapsed time relative to 1970-01-01T00:00:00Z
attribute time sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/ELTMEP01/ (external link)
attribute time sdn_parameter_urn String SDN:P01::ELTMEP01
attribute time sdn_uom_name String Seconds
attribute time sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/UTBB/ (external link)
attribute time sdn_uom_urn String SDN:P06::UTBB
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 variable_type String coordinate
variable depth   double  
attribute depth _ChunkSizes uint 1072
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double -9999.99
attribute depth actual_range double 20.0, 20.0
attribute depth axis String Z
attribute depth ioos_category String Location
attribute depth long_name String depth of measurements
attribute depth positive String down
attribute depth sdn_parameter_name String Depth (spatial coordinate) relative to water surface in the water body
attribute depth sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/ADEPZZ01 (external link)
attribute depth sdn_parameter_urn String SDN:P01::ADEPZZ01
attribute depth sdn_uom_name String Metres
attribute depth sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/ULAA/ (external link)
attribute depth sdn_uom_urn String SDN:P06::ULAA
attribute depth standard_name String depth
attribute depth units String m
attribute depth variable_type String coordinate
variable latitude   double  
attribute latitude _ChunkSizes uint 1072
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double -9999.99
attribute latitude actual_range double 41.18212, 41.18212
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String latitude of measurements
attribute latitude sdn_parameter_name String Latitude north
attribute latitude sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/ALATZZ01 (external link)
attribute latitude sdn_parameter_urn String SDN:P01::ALATZZ01
attribute latitude sdn_uom_name String Degrees
attribute latitude sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/UAAA/ (external link)
attribute latitude sdn_uom_urn String SDN:P06::UAAA
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
attribute latitude variable_type String coordinate
variable longitude   double  
attribute longitude _ChunkSizes uint 1072
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double -9999.99
attribute longitude actual_range double 1.75257, 1.75257
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String longitude of measurements
attribute longitude sdn_parameter_name String Longitude east
attribute longitude sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/ALONZZ01 (external link)
attribute longitude sdn_parameter_urn String SDN:P01::ALONZZ01
attribute longitude sdn_uom_name String Degrees
attribute longitude sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/UAAA/ (external link)
attribute longitude sdn_uom_urn String SDN:P06::UAAA
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
attribute longitude variable_type String coordinate
variable sensor_id   String  
attribute sensor_id long_name String Identifier of the sensor that took the measurement
attribute sensor_id sdn_parameter_name String Name of sampling instrument
attribute sensor_id sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/NMSPINST/ (external link)
attribute sensor_id sdn_parameter_urn String SDN:P01::NMSPINST
attribute sensor_id variable_type String coordinate
variable platform_id   String  
attribute platform_id cf_role String timeseries_id
attribute platform_id long_name String Platform where the sensor was deployed
attribute platform_id sdn_parameter_name String Name of sampling platform
attribute platform_id sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/NMSPPF01/ (external link)
attribute platform_id sdn_parameter_urn String SDN:P01::NMSPPF01
attribute platform_id standard_name String platform_id
attribute platform_id variable_type String coordinate
variable SPL_125   double  
attribute SPL_125 _ChunkSizes uint 1072
attribute SPL_125 _FillValue double -9999.99
attribute SPL_125 actual_range double 69.77, 127.68
attribute SPL_125 ancillary_variables String SPL_125_QC
attribute SPL_125 coordinates String time latitude longitude depth sensor_id platform_id
attribute SPL_125 long_name String Sound pressure level (SPL) of ambient noise at the 125Hz-centered frequency band the with a time window of 10 seconds. The SPL values are computed using the Welch method with a time window of 10 seconds, using 1-second segments, Hann window and 50% overlap.",
attribute SPL_125 sdn_parameter_name String Sound pressure level of ambient noise (125Hz-centred one-third-octave frequency band, time interval specified elsewhere) relative to 1 micropascal in the water body
attribute SPL_125 sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/AMBNSP22 (external link)
attribute SPL_125 sdn_parameter_urn String SDN:P01::AMBNSP22
attribute SPL_125 sdn_uom_name String Decibels
attribute SPL_125 sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/UDBL/ (external link)
attribute SPL_125 sdn_uom_urn String SDN:P06::UDBL
attribute SPL_125 standard_name String sound_pressure_level_125hz_10s
attribute SPL_125 units String dB
attribute SPL_125 variable_type String environmental
variable SPL_2000   double  
attribute SPL_2000 _ChunkSizes uint 1072
attribute SPL_2000 _FillValue double -9999.99
attribute SPL_2000 actual_range double 71.6607, 131.7974
attribute SPL_2000 ancillary_variables String SPL_2000_QC
attribute SPL_2000 coordinates String time latitude longitude depth sensor_id platform_id
attribute SPL_2000 long_name String Sound pressure level (SPL) of ambient noise at the 2000Hz-centered frequency band the with a time window of 10 seconds. The SPL values are computed using the Welch method with a time window of 10 seconds, using 1-second segments, Hann window and 50% overlap.",
attribute SPL_2000 sdn_parameter_name String Sound pressure level of ambient noise (2000Hz-centred one-third-octave frequency band, time interval specified elsewhere) relative to 1 micropascal in the water body
attribute SPL_2000 sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/AMBNSP34 (external link)
attribute SPL_2000 sdn_parameter_urn String SDN:P01::AMBNSP34
attribute SPL_2000 sdn_uom_name String Decibels
attribute SPL_2000 sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/UDBL/ (external link)
attribute SPL_2000 sdn_uom_urn String SDN:P06::UDBL
attribute SPL_2000 standard_name String sound_pressure_level_2000hz_10s
attribute SPL_2000 units String dB
attribute SPL_2000 variable_type String environmental
variable SPL_63   double  
attribute SPL_63 _ChunkSizes uint 1072
attribute SPL_63 _FillValue double -9999.99
attribute SPL_63 actual_range double 69.72, 120.61
attribute SPL_63 ancillary_variables String SPL_63_QC
attribute SPL_63 coordinates String time latitude longitude depth sensor_id platform_id
attribute SPL_63 long_name String Sound pressure level (SPL) of ambient noise at the 63Hz-centered frequency band the with a time window of 10 seconds. The SPL values are computed using the Welch method with a time window of 10 seconds, using 1-second segments, Hann window and 50% overlap.",
attribute SPL_63 sdn_parameter_name String Sound pressure level of ambient noise (63Hz-centred one-third-octave frequency band, time interval specified elsewhere) relative to 1 micropascal in the water body
attribute SPL_63 sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/AMBNSP19/ (external link)
attribute SPL_63 sdn_parameter_urn String SDN:P01::AMBNSP19
attribute SPL_63 sdn_uom_name String Decibels
attribute SPL_63 sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/UDBL/ (external link)
attribute SPL_63 sdn_uom_urn String SDN:P06::UDBL
attribute SPL_63 standard_name String sound_pressure_level_63hz_10s
attribute SPL_63 units String dB
attribute SPL_63 variable_type String environmental
variable SPL_all   double  
attribute SPL_all _ChunkSizes uint 1072
attribute SPL_all _FillValue double -9999.99
attribute SPL_all actual_range double 92.32, 151.1279
attribute SPL_all ancillary_variables String SPL_all_QC
attribute SPL_all coordinates String time latitude longitude depth sensor_id platform_id
attribute SPL_all long_name String Sound pressure level (SPL) of ambient noise calculated using the hydrophone's full bandwidth with a time window of 10 seconds. The SPL values are computed using the Welch method with a time window of 10 seconds, using 1-second segments, Hann window and 50% overlap.
attribute SPL_all sdn_parameter_name String Sound pressure level of ambient noise in the water body
attribute SPL_all sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/AMBNSPL1 (external link)
attribute SPL_all sdn_parameter_urn String SDN:P01::AMBNSPL1
attribute SPL_all sdn_uom_name String Decibels
attribute SPL_all sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/UDBL/ (external link)
attribute SPL_all sdn_uom_urn String SDN:P06::UDBL
attribute SPL_all standard_name String sound_pressure_level_full_bw_10s
attribute SPL_all units String dB
attribute SPL_all variable_type String environmental
variable SPL_125_QC   ubyte  
attribute SPL_125_QC _ChunkSizes uint 1072
attribute SPL_125_QC _FillValue ubyte 255
attribute SPL_125_QC actual_range ubyte 1, 9
attribute SPL_125_QC conventions String OceanSITES QC Flags
attribute SPL_125_QC flag_meanings String unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value
attribute SPL_125_QC flag_values ubyte 0, 1, 2, 3, 4, 7, 8, 9
attribute SPL_125_QC long_name String Sound pressure level (SPL) of ambient noise at the 125Hz-centered frequency band the with a time window of 10 seconds. The SPL values are computed using the Welch method with a time window of 10 seconds, using 1-second segments, Hann window and 50% overlap.", quality control flags
attribute SPL_125_QC variable_type String quality_control
variable SPL_2000_QC   ubyte  
attribute SPL_2000_QC _ChunkSizes uint 1072
attribute SPL_2000_QC _FillValue ubyte 255
attribute SPL_2000_QC actual_range ubyte 1, 9
attribute SPL_2000_QC conventions String OceanSITES QC Flags
attribute SPL_2000_QC flag_meanings String unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value
attribute SPL_2000_QC flag_values ubyte 0, 1, 2, 3, 4, 7, 8, 9
attribute SPL_2000_QC long_name String Sound pressure level (SPL) of ambient noise at the 2000Hz-centered frequency band the with a time window of 10 seconds. The SPL values are computed using the Welch method with a time window of 10 seconds, using 1-second segments, Hann window and 50% overlap.", quality control flags
attribute SPL_2000_QC variable_type String quality_control
variable SPL_63_QC   ubyte  
attribute SPL_63_QC _ChunkSizes uint 1072
attribute SPL_63_QC _FillValue ubyte 255
attribute SPL_63_QC actual_range ubyte 1, 9
attribute SPL_63_QC conventions String OceanSITES QC Flags
attribute SPL_63_QC flag_meanings String unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value
attribute SPL_63_QC flag_values ubyte 0, 1, 2, 3, 4, 7, 8, 9
attribute SPL_63_QC long_name String Sound pressure level (SPL) of ambient noise at the 63Hz-centered frequency band the with a time window of 10 seconds. The SPL values are computed using the Welch method with a time window of 10 seconds, using 1-second segments, Hann window and 50% overlap.", quality control flags
attribute SPL_63_QC variable_type String quality_control
variable SPL_all_QC   ubyte  
attribute SPL_all_QC _ChunkSizes uint 1072
attribute SPL_all_QC _FillValue ubyte 255
attribute SPL_all_QC actual_range ubyte 1, 9
attribute SPL_all_QC conventions String OceanSITES QC Flags
attribute SPL_all_QC flag_meanings String unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value
attribute SPL_all_QC flag_values ubyte 0, 1, 2, 3, 4, 7, 8, 9
attribute SPL_all_QC long_name String Sound pressure level (SPL) of ambient noise calculated using the hydrophone's full bandwidth with a time window of 10 seconds. The SPL values are computed using the Welch method with a time window of 10 seconds, using 1-second segments, Hann window and 50% overlap. quality control flags
attribute SPL_all_QC variable_type String quality_control
variable NAXYS_SN0010   String  
attribute NAXYS_SN0010 long_name String Hydrophone NAXYS Ethernet 02345
attribute NAXYS_SN0010 sdn_instrument_name String Naxys Ehyd 02345 ethernet hydrophone
attribute NAXYS_SN0010 sdn_instrument_uri String https://vocab.nerc.ac.uk/collection/L22/current/TOOL1593/ (external link)
attribute NAXYS_SN0010 sdn_instrument_urn String SDN:L22::TOOL1593
attribute NAXYS_SN0010 sensor_id String NAXYS_SN0010
attribute NAXYS_SN0010 sensor_manufacturer_name String Naxys
attribute NAXYS_SN0010 sensor_manufacturer_uri String https://vocab.nerc.ac.uk/collection/L35/current/MAN0144/ (external link)
attribute NAXYS_SN0010 sensor_manufacturer_urn String SDN:L35::MAN0144
attribute NAXYS_SN0010 sensor_mount String mounted_on_seafloor_structure
attribute NAXYS_SN0010 sensor_orientation String upward
attribute NAXYS_SN0010 sensor_SeaVoX_L22_code String SDN:L22::TOOL1593
attribute NAXYS_SN0010 sensor_serial_number String 0010
attribute NAXYS_SN0010 sensor_type_name String hydrophones
attribute NAXYS_SN0010 sensor_type_uri String https://vocab.nerc.ac.uk/collection/L05/current/369 (external link)
attribute NAXYS_SN0010 sensor_type_urn String SDN:L05::369
attribute NAXYS_SN0010 variable_type String sensor
variable OBSEA   String  
attribute OBSEA depth double 20.0
attribute OBSEA emso_platform_name String OBSEA seabed station
attribute OBSEA emso_platform_uri String https://w3id.org/earthsemantics/OSO#OBSEA_seabed_station (external link)
attribute OBSEA latitude double 41.18212
attribute OBSEA long_name String OBSEA Expandable Seafloor Observatory (WMO number 6103565)
attribute OBSEA longitude double 1.75257
attribute OBSEA platform_id String OBSEA
attribute OBSEA platform_reference String https://vocab.nerc.ac.uk/collection/L06/current/48/ (external link)
attribute OBSEA platform_type_name String mooring
attribute OBSEA platform_type_uri String https://vocab.nerc.ac.uk/collection/L06/current/48/ (external link)
attribute OBSEA platform_type_urn String SDN:L06::48
attribute OBSEA variable_type String platform
attribute OBSEA wmo_platform_code String 6103565

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