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Dataset Title:  INSEA Calipso hydrophone SPL data Subscribe RSS
Institution:  Istituto Nazionale di Geofisica e Vulcanologia   (Dataset ID: EMSO_WIS_HYDRO_LFH_SPL)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
   or a List of Values ?
   Maximum ?
 
 depth (depth of measurement, m) ?          2035.0    2035.0
  < slider >
 frequency (Hz) ?          15.625    396.8503
 latitude (degrees_north) ?          37.55    37.55
  < slider >
 longitude (degrees_east) ?          15.4    15.4
  < slider >
 spl (dB relative to 1 micropascal) ?          74.88763    133.0037
 spl_qc (spl data quality flag) ?          9    9
 station_id (Station Identifier) ?      
   - +  ?
 time (time of measurement, UTC) ?          2024-01-01T01:00:01Z    2024-03-18T07:04:57Z
  < slider >
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

(Documentation / Bypass this form ? )
 
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 2035.0, 2035.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "depth of measurement";
    String parameter_sdn_name "Depth (spatial coordinate) relative to water surface in the water body";
    String parameter_sdn_uri "https://vocab.nerc.ac.uk/collection/P01/current/ADEPZZ01/";
    String parameter_sdn_urn "SDN:P01::ADEPZZ01";
    String positive "down";
    String standard_name "depth";
    String unit_sdn_name "meters";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/ULAA/";
    String unit_sdn_urn "SDN:P06::ULAA";
    String units "m";
  }
  frequency {
    Float32 actual_range 15.625, 396.8503;
    String long_name "Frequency";
    String standard_name "frequency";
    String unit_sdn_name "Hertz";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/UTHZ/";
    String unit_sdn_urn "SDN:P06::UTHZ";
    String units "Hz";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 37.55, 37.55;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "latitude of measurement";
    String parameter_sdn_name "Latitude north";
    String parameter_sdn_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALATZZ01/";
    String parameter_sdn_urn "SDN:P01::ALATZZ01";
    String standard_name "latitude";
    String unit_sdn_name "degree_north";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/DEGN/";
    String unit_sdn_urn "SDN:P06::DEGN";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range 15.4, 15.4;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "longitude of measurement";
    String parameter_sdn_name "Longitude east";
    String parameter_sdn_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALONZZ01/";
    String parameter_sdn_urn "SDN:P01::ALONZZ01";
    String standard_name "longitude";
    String unit_sdn_name "degree_east";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/DEGE/";
    String unit_sdn_urn "SDN:P06::DEGE";
    String units "degrees_east";
  }
  spl {
    Float32 actual_range 74.88763, 133.0037;
    String ancillary_variables "spl_qc";
    String comment "Sound pressure level in 1/3 octave bands";
    String device_sdn_name "hydrophones";
    String device_sdn_uri "https://vocab.nerc.ac.uk/collection/L05/current/369/";
    String device_sdn_urn "SDN:L05::369";
    String discipline "Cross-discipline";
    String eov "Ocean sound";
    String eov_uri "https://goosocean.org/document/22567";
    String ioos_category "Pressure";
    String long_name "sound pressure level";
    String parameter_sdn_name "Sound pressure level of ambient noise in the water body";
    String parameter_sdn_uri "https://vocab.nerc.ac.uk/collection/P01/current/AMBNSPL1/";
    String parameter_sdn_urn "SDN:L22::TOOL0942";
    String sensor_accuracy "2 dB";
    String sensor_last_calibration "2021-01-21T00:00:00Z";
    String sensor_manufacturer_sdn_name "IC listen - Ocean Sonic";
    String sensor_sdn_name "SA35L-ETH";
    String standard_name "sound_pressure_level_in_water";
    String unit_sdn_name "Decibels";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/UDBL/";
    String unit_sdn_urn "SDN:P06::UDBL";
    String units "dB relative to 1 micropascal";
    String units_url "https://docs.unidata.ucar.edu/udunits/current/udunits2-derived.xml";
  }
  spl_qc {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 9, 9;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0,1,2,3,4,7,8,9";
    String long_name "spl data quality flag";
    String qc_manual "https://repository.oceanbestpractices.org/bitstream/handle/11329/874.2/oceansites_data_format_reference_manual.pdf";
    String qc_method "https://repository.oceanbestpractices.org/bitstream/handle/11329/874.2/oceansites_data_format_reference_manual.pdf";
    String standard_name "quality_flag";
  }
  station_id {
    String cf_role "timeseries_id";
    String long_name "Station Identifier";
    String standard_name "platform_id";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.704070801024e+9, 1.710745497984e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "time of measurement";
    String parameter_sdn_name "Elapsed time relative to 1970-01-01T00:00:00Z";
    String parameter_sdn_uri "https://vocab.nerc.ac.uk/collection/P01/current/ELTMEP01/";
    String parameter_sdn_urn "SDN:P01::ELTMEP01";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String unit_sdn_name "Seconds";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/UTBB/";
    String unit_sdn_urn "SDN:P06::UTBB";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
 }
  NC_GLOBAL {
    String acknowledgement "Funded by EU - Next Generation EU PNRR IR00000032 ITINERIS, Italian Integrated Environmental Research Infrastructures System";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id, longitude, latitude, depth";
    String Conventions "CF-1.10, COARDS, ACDD-1.3";
    String creator_name "Giuditta Marinaro, Davide Embriaco";
    String creator_type "institution";
    String creator_url "https://www.ingv.it";
    String data_creation "2026-02-06";
    String data_format_original "WAV";
    String data_type "NRT";
    String data_update "2026-02-06";
    String data_update_frequence "daily";
    String data_version "1.0";
    Float64 Easternmost_Easting 15.4;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 37.55;
    Float64 geospatial_lat_min 37.55;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 15.4;
    Float64 geospatial_lon_min 15.4;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 2035.0;
    Float64 geospatial_vertical_min 2035.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"Acoustic data from hydrophone on cabled observator
2026-02-24T21:52:59Z (local files)
2026-02-24T21:52:59Z https://erddap.moist.it/erddap/tabledap/EMSO_WIS_HYDRO_LFH_SPL.html";
    String infoUrl "https://www.itineris.cnr.it";
    String institution "Istituto Nazionale di Geofisica e Vulcanologia";
    String keywords "acoustic, acoustics, attenuation, data, depth, earth, earth remote sensing instruments, Earth Science > Oceans > Ocean Acoustics > Acoustic Attenuation/Transmission, flag, frequency, geofisica, identifier, istituto, latitude, level, longitude, measurement, nazionale, ocean, oceans, passive remote sensing (4f81c61c-f100-4bc4-9664-d9b70d2f162f), platform, platform_id, pressure, quality, quality_flag, science, sound, sound_pressure_level_in_water, spl, spl_qc, station, station_id, time, transmission, vulcanologia, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "Creative Commons Attribution 4.0";
    String license_url "https://creativecommons.org/licenses/by/4.0/legalcode";
    String naming_authority "Istituto Nazionale di Geofisica e Vulcanologia";
    Float64 Northernmost_Northing 37.55;
    String platform_name "Calipso";
    String platform_organization_managing "Istituto Nazionale di Geofisica e Vulcanologia";
    String platform_organization_owning "Istituto Nazionale di Geofisica e Vulcanologia";
    String platform_reference_person "Francesco Simeone";
    String project_code "PON InSea";
    String project_name "PON InSea";
    String references "https://doi.org/10.3390/jmse13030454";
    String ri_geographical_coverage "Western Ionian Sea";
    String ri_name "Italian Ocean Sound (subsystem)";
    String ri_national_coordin_organization "Istituto Nazionale di Fisica Nucleare - Laboratori Nazionali del Sud";
    String ri_national_coordin_organization_edmo_code "6211";
    String ri_national_coordin_organization_edmo_uri "https://edmo.seadatanet.org/report/6211";
    String ri_national_coordinating_person "Giorgio Riccobene";
    String ri_short_name "IT-OSS";
    String ri_start_date "2023-12-23";
    String source "Acoustic data from hydrophone on cabled observator";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 37.55;
    String standard_name_vocabulary "CF Standard Name Table v72";
    String subsetVariables "station_id";
    String summary "Hydrophone SPL data from fixed acoustic monitoring";
    String time_coverage_duration "P6M";
    String time_coverage_end "2024-03-18T07:04:57Z";
    String time_coverage_start "2024-01-01T01:00:01Z";
    String title "INSEA Calipso hydrophone SPL data";
    Float64 Westernmost_Easting 15.4;
  }
}

 

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The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

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For example,
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