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Dataset Title:	Iberian Margin GEOSTAR 2009 CTD data
Institution:	Istituto Nazionale Geofisica e Vulcanologia - Sez. Roma2 (Dataset ID: LIDO_1_CTD)
Range:	longitude = -9.518245 to -9.518245°E, latitude = 36.35292 to 36.35292°N, depth = 3180.0 to 3180.0m, time = 2009-10-31T00:00:00Z to 2010-07-10T23:00:00Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.2569472e+9, 1.2788028e+9;
    String ancillary_variables "TIME_QC";
    String axis "T";
    String cf_role "timeseries_id";
    String ioos_category "Time";
    String long_name "time of measurements";
    String sdn_P02_urn "SDN:P02::AYMD";
    String sdn_parameter_name "Elapsed time relative to 1970-01-01T00:00:00Z";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ELTMEP01/";
    String sdn_parameter_urn "SDN:P01::ELTMEP01";
    String sdn_uom_name "Seconds";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UTBB/";
    String sdn_uom_urn "SDN:P06::UTBB";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 3180.0, 3180.0;
    String ancillary_variables "DEPTH_QC";
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "depth of measurements";
    String positive "down";
    String sdn_P02_urn "SDN:P02::AHGT";
    String sdn_parameter_name "Depth (spatial coordinate) relative to water surface in the water body";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ADEPZZ01/";
    String sdn_parameter_urn "SDN:P01::ADEPZZ01";
    String sdn_uom_name "Meters";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/ULAA/";
    String sdn_uom_urn "SDN:P06::ULAA";
    String standard_name "depth";
    String units "m";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -9.518245, -9.518245;
    String ancillary_variables "POSITION_QC";
    String axis "X";
    String ioos_category "Location";
    String long_name "longitude of measurements";
    String sdn_P02_urn "SDN:P02::ALAT";
    String sdn_parameter_name "Longitude east";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALONZZ01/";
    String sdn_parameter_urn "SDN:P01::ALONZZ01";
    String sdn_uom_name "Degrees east";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/DEGE/";
    String sdn_uom_urn "SDN:P06::DEGE";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 36.35292, 36.35292;
    String ancillary_variables "POSITION_QC";
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "latitude of measurements";
    String sdn_P02_urn "SDN:P02::ALAT";
    String sdn_parameter_name "Latitude north";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALATZZ01/";
    String sdn_parameter_urn "SDN:P01::ALATZZ01";
    String sdn_uom_name "Degrees north";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/DEGN/";
    String sdn_uom_urn "SDN:P06::DEGN";
    String standard_name "latitude";
    String units "degrees_north";
  }
  TEMP {
    Float32 _FillValue -999.0;
    Float32 actual_range 2.482, 2.667;
    String ancillary_variables "TEMP_QC";
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String long_name "temperature";
    String sdn_P02_urn "SDN:P02::TEMP";
    String sdn_parameter_name "Temperature of the water body";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/TEMPPR01/";
    String sdn_parameter_urn "SDN:P01::TEMPPR01";
    String sdn_uom_name "Degrees Celsius";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UPAA/";
    String sdn_uom_urn "SDN:P06::UPAA";
    String sensor_manufacturer "Sea-Bird Scientific";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0013/";
    String sensor_manufacturer_urn "SDN:L35::MAN0013";
    String sensor_model "Sea-Bird SBE 16Plus V2 SEACAT C-T Recorder";
    String sensor_mount "mounted_on_seafloor_structure";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0870/";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL0870";
    String sensor_type_name "CTD";
    String sensor_type_uri "https://vocab.nerc.ac.uk/collection/L05/current/130/";
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  CNDC {
    Float32 _FillValue -999.0;
    Float32 actual_range 3.2461, 3.264;
    String ancillary_variables "CNDC_QC";
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    String long_name "conductivity";
    String sdn_P02_urn "SDN:P02::CNDC";
    String sdn_parameter_name "Electrical conductivity of the water body";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/CNDCZZ01/";
    String sdn_parameter_urn "SDN:P01::CNDCZZ01";
    String sdn_uom_name "Siemens per metre";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UECA/";
    String sdn_uom_urn "SDN:P06::UECA";
    String sensor_manufacturer "Sea-Bird Scientific";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0013/";
    String sensor_manufacturer_urn "SDN:L35::MAN0013";
    String sensor_model "Sea-Bird SBE 16Plus V2 SEACAT C-T Recorder";
    String sensor_mount "mounted_on_seafloor_structure";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0870/";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL0870";
    String sensor_type_name "CTD";
    String sensor_type_uri "https://vocab.nerc.ac.uk/collection/L05/current/130/";
    String standard_name "sea_water_electrical_conductivity";
    String units "Siemens per metre";
  }
  PRES {
    Float32 _FillValue -999.0;
    Float32 actual_range 3227.563, 3231.25;
    String ancillary_variables "PRES_QC";
    Float64 colorBarMaximum 5000.0;
    Float64 colorBarMinimum 0.0;
    String long_name "pressure";
    String sdn_P02_urn "SDN:P02::ASLV";
    String sdn_parameter_name "Pressure (measured variable) exerted by the water body plus atmosphere by fixed in-situ pressure sensor";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/PRSTPS01/";
    String sdn_parameter_urn "SDN:P01::PRSTPS01";
    String sdn_uom_name "Decibars";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UPDB/";
    String sdn_uom_urn "SDN:P06::UPDB";
    String sensor_manufacturer "Sea-Bird Scientific";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0013/";
    String sensor_manufacturer_urn "SDN:L35::MAN0013";
    String sensor_model "Sea-Bird SBE 16Plus V2 SEACAT C-T Recorder";
    String sensor_mount "mounted_on_seafloor_structure";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0870/";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL0870";
    String sensor_type_name "CTD";
    String sensor_type_uri "https://vocab.nerc.ac.uk/collection/L05/current/130/";
    String standard_name "sea_water_pressure";
    String units "decibar";
  }
  PSAL {
    Float32 _FillValue -999.0;
    Float32 actual_range 34.89899, 34.91904;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String long_name "Practical salinity of the water body";
    String sdn_P02_urn "SDN:P02::PSAL";
    String sdn_parameter_name "Practical salinity of the water body by CTD and computation using UNESCO 1983 algorithm";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/PSALST01/";
    String sdn_parameter_urn "SDN:P01::PSALST01";
    String sdn_uom_name "Dimensionless";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UUUU/";
    String sdn_uom_urn "SDN:P06::UUUU";
    String sensor_manufacturer "Sea-Bird Scientific";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0013/";
    String sensor_manufacturer_urn "SDN:L35::MAN0013";
    String sensor_model "Sea-Bird SBE 16Plus V2 SEACAT C-T Recorder";
    String sensor_mount "mounted_on_seafloor_structure";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0870/";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL0870";
    String sensor_type_name "CTD";
    String sensor_type_uri "https://vocab.nerc.ac.uk/collection/L05/current/130/";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  PTEMP {
    Float32 _FillValue -999.0;
    Float32 actual_range 2.2182, 2.398868;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String long_name "potential temperature of sea water";
    String sdn_P02_urn "SDN:P02::TEMP";
    String sdn_parameter_name "Potential temperature of the water body by computation using UNESCO 1983 algorithm";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/POTMCV01/";
    String sdn_parameter_urn "SDN:P01::POTMCV01";
    String sdn_uom_name "degrees C";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UPAA/";
    String sdn_uom_urn "SDN:P06::UPAA";
    String sensor_manufacturer "Sea-Bird Scientific";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0013/";
    String sensor_manufacturer_urn "SDN:L35::MAN0013";
    String sensor_model "Sea-Bird SBE 16Plus V2 SEACAT C-T Recorder";
    String sensor_mount "mounted_on_seafloor_structure";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0870/";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL0870";
    String sensor_type_name "CTD";
    String sensor_type_uri "https://vocab.nerc.ac.uk/collection/L05/current/130/";
    String standard_name "sea_water_potential_temperature";
    String units "degree_C";
  }
  ASAL {
    Float32 _FillValue -999.0;
    Float32 actual_range 35.07201, 35.09216;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String long_name "Absolute salinity of the water body";
    String sdn_P02_urn "SDN:P02::PSAL";
    String sdn_parameter_name "Absolute salinity of the water body";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ASLTZZ01/";
    String sdn_parameter_urn "SDN:P01::ASLTZZ01";
    String sdn_uom_name "Grams per kilogram";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UGKG/";
    String sdn_uom_urn "SDN:P06::UGKG";
    String sensor_manufacturer "Sea-Bird Scientific";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0013/";
    String sensor_manufacturer_urn "SDN:L35::MAN0013";
    String sensor_model "Sea-Bird SBE 16Plus V2 SEACAT C-T Recorder";
    String sensor_mount "mounted_on_seafloor_structure";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0870/";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL0870";
    String sensor_type_name "CTD";
    String sensor_type_uri "https://vocab.nerc.ac.uk/collection/L05/current/130/";
    String standard_name "sea_water_absolute_salinity";
    String units "Grams per kilogram";
  }
  RHO {
    Float32 _FillValue -999.0;
    Float32 actual_range 1042.491, 1042.517;
    Float64 colorBarMaximum 28.0;
    Float64 colorBarMinimum 20.0;
    String long_name "in-situ density";
    String sdn_P02_urn "SDN:P02::SAGE";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/";
    String sdn_parameter_urn "SDN:P01::";
    String sdn_uom_name "Kilograms per cubic metre";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UKMC/";
    String sdn_uom_urn "SDN:P06::UKMC";
    String sensor_manufacturer "Sea-Bird Scientific";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0013/";
    String sensor_manufacturer_urn "SDN:L35::MAN0013";
    String sensor_model "Sea-Bird SBE 16Plus V2 SEACAT C-T Recorder";
    String sensor_mount "mounted_on_seafloor_structure";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0870/";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL0870";
    String sensor_type_name "CTD";
    String sensor_type_uri "https://vocab.nerc.ac.uk/collection/L05/current/130/";
    String standard_name "sea_water_density";
    String units "Kilograms per cubic metre";
  }
  TIME_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 1;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    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 "TIME quality control flags";
  }
  DEPTH_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 1;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    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 "DEPTH quality control flags";
    String standard_name "depth";
  }
  POSITION_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 1;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    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 "POSITION quality control flags";
  }
  TEMP_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 9;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    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 "TEMP quality control flags";
  }
  CNDC_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 9;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    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 "CNDC quality control flags";
  }
  PRES_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 9;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    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 "PRES quality control flags";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "depth,latitude,longitude,time";
    String Conventions "OceanSITES-1.5,SeaDataNet_1.0,COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Istituto Nazionale Geofisica e Vulcanologia - Sez. Roma2";
    String creator_url "www.moist.it";
    String data_mode "D";
    String data_type "OceanSITES time-series data";
    Float64 Easternmost_Easting -9.518245;
    String emso_facility "Iberian Margin";
    String featureType "TimeSeries";
    String format_version "1.5";
    Float64 geospatial_lat_max 36.35292;
    Float64 geospatial_lat_min 36.35292;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -9.518245;
    Float64 geospatial_lon_min -9.518245;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 3180.0;
    Float64 geospatial_vertical_min 3180.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-10-24T18:58:45Z (local files)
2025-10-24T18:58:45Z http://oceano.bo.ingv.it/tabledap/LIDO_1_CTD.das";
    String infoUrl "http://www.moist.it/sites/iberian_margin/1/LIDO1/ctd/16/qc";
    String institution "Istituto Nazionale Geofisica e Vulcanologia - Sez. Roma2";
    String institution_edmo_code "3917";
    String institution_edmo_uri "https://edmo.seadatanet.org/report/3917";
    String institution_ror_uri "https://ror.org/00qps9a02";
    String keywords "absolute, ASAL, body, cndc, CNDC_QC, conductivity, control, ctd, data, density, depth, DEPTH_QC, earth, Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Potential Temperature, 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, electrical, electrical conductivity of the water column, flags, geofisica, geostar, iberian, in-situ, istituto, latitude, longitude, MACMAP, margin, nazionale, ocean, oceans, position, POSITION_QC, potential, practical, pres, PRES_QC, pressure, PSAL, PTEMP, quality, RHO, roma2, salinity, science, sea, sea_water_absolute_salinity, sea_water_density, sea_water_electrical_conductivity, sea_water_potential_temperature, sea_water_practical_salinity, sea_water_pressure, sea_water_temperature, seawater, sez, situ, sonde, TEMP, TEMP_QC, temperature, temperature of the water column, time, TIME_QC, vulcanologia, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC-BY-4.0";
    String license_uri "https://spdx.org/licenses/CC-BY-4.0.json";
    Float64 Northernmost_Northing 36.35292;
    String principal_investigator "Nadia Lo Bue";
    String principal_investigator_email "nadia.lobue@ingv.it";
    String project "ESONET-NOE-LIDO";
    String site_code "GEOSTAR";
    String source "fixed benthic node";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 36.35292;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "depth, longitude, latitude, TIME_QC, DEPTH_QC, POSITION_QC";
    String summary "The dataset contains sea bottom Conductivity, Temperature and Pressure data (about 1 m above the bottom) acquired through a SBE 16 plus installed on GEOSTAR station. The collection period ranges from November 2009 through July 2010.";
    String time_coverage_end "2010-07-10T23:00:00Z";
    String time_coverage_start "2009-10-31T00:00:00Z";
    String title "Iberian Margin GEOSTAR 2009 CTD data";
    String update_interval "void";
    Float64 Westernmost_Easting -9.518245;
  }
}

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its selection constraints (external link)

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.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.