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Dataset Title:	EMSO-LO Western Ligurian : BJS_Bathydock Optode sensors (NetCDF files from 2023-09-20)
Institution:	MIO UMR 7294 CNRS / OSU Pytheas (Dataset ID: Emso_Western_Ligurian_Bathybot_Optodes_NetCDF_2023)
Range:	longitude = 5.9826 to 5.9826°E, latitude = 42.8014 to 42.8014°N, depth = 2420.0 to 2420.0m, time = 2023-09-20T13:39:07Z to 2024-02-04T19:45:08Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form \| Files

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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station_id {
    String cf_role "timeseries_id";
    String comment "internal name of the station";
    String ioos_category "Identifier";
    String long_name "station name";
    String sdn_P02_urn "SDN:P02::ACYC";
    String sdn_parameter_name "Subsample identifier";
    String sdn_parameter_urn "SDN:P01::SSAMID01";
    String standard_name "platform_name";
    String technical_data "true";
    String units "not applicable";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 42.8014, 42.8014;
    String ancillary_variables "POSITION_QC";
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String coverage_content_type "coordinate";
    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_urn "SDN:P01::ALATZZ01";
    String sdn_uom_name "Degrees north";
    String sdn_uom_urn "SDN:P06::DEGN";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 5.9826, 5.9826;
    String ancillary_variables "POSITION_QC";
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String coverage_content_type "coordinate";
    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_urn "SDN:P01::ALONZZ01";
    String sdn_uom_name "Degrees east";
    String sdn_uom_urn "SDN:P06::DEGE";
    String standard_name "longitude";
    String units "degrees_east";
  }
  POSITION_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    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";
    Byte flag_values 0, 1, 2, 3, 4, 7, 8, 9;
    String ioos_category "Quality";
    String long_name "quality flag for position";
    Byte missing_value 127;
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 2420.0, 2420.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String comment "depth of the bathybot crawler";
    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 source_name "DEPH";
    String standard_name "depth";
    String units "m";
  }
  DEPH_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";
    Byte flag_values 0, 1, 2, 3, 4, 7, 8, 9;
    String ioos_category "Quality";
    String long_name "Profondeur quality flag";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.695217147e+9, 1.707075908e+9;
    String ancillary_variables "TIME_QC";
    String axis "T";
    String calendar "standard";
    String coverage_content_type "coordinate";
    String ioos_category "Time";
    String long_name "time of measurements";
    String origin "01-JAN-1970 00:00:00";
    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/P06/current/UTBB/";
    String sdn_parameter_urn "SDN:P01::ELTMEP01";
    String sdn_uom_name "seconds";
    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";
  }
  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";
    Byte flag_values 0, 1, 2, 3, 4, 7, 8, 9;
    String ioos_category "Quality";
    String long_name "Time quality flag";
  }
  TEMP {
    Float32 _FillValue -999.99;
    Float32 actual_range 13.297, 13.357;
    String ancillary_variables "TEMP_QC";
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String coordinates "TIME; DEPTH; LATITUDE; LONGITUDE";
    String ioos_category "Temperature";
    String long_name "temperature";
    String reference_scale "ITS-90";
    String sdn_P02_urn "SDN:P02::TEMP";
    String sdn_parameter_name "Temperature of the water body";
    String sdn_parameter_urn "SDN:P01::TEMPPR01";
    String sdn_uom_name "degree_Celsius";
    String sdn_uom_urn "SDN:P06::UPAA";
    String sensor_manufacturer "Aanderaa";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0007/";
    String sensor_manufacturer_urn "SDN:L35::MAN0007";
    String sensor_model "Aanderaa 4330 F oxygen optode";
    String sensor_mount "mounted_on_benthic_crawler";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL1248";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL1248";
    String sensor_serial_number "272";
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  TEMP_QC {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 2, 2;
    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";
    Byte flag_values 0, 1, 2, 3, 4, 7, 8, 9;
    String ioos_category "Quality";
    String long_name "Temperature quality flag";
  }
  DOX1 {
    Float32 _FillValue -999.99;
    Float32 actual_range 182.748, 187.56;
    String ancillary_variables "O2CONC_QC";
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String coordinates "TIME; DEPTH; LATITUDE; LONGITUDE";
    String ioos_category "Dissolved O2";
    String long_name "oxygen concentration";
    String sdn_P02_urn "SDN:P02::DOXY";
    String sdn_parameter_name "Concentration of oxygen {O2 CAS 7782-44-7} per unit mass of the water body [dissolved plus reactive particulate phase]";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/DOXMZZXX/";
    String sdn_parameter_urn "SDN:P01::DOXMZZXX";
    String sdn_uom_name "Micromoles per litre";
    String sdn_uom_urn "SDN:P06::UPOX";
    String sensor_manufacturer "Aanderaa";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0007/";
    String sensor_manufacturer_urn "SDN:L35::MAN0007";
    String sensor_model "Aanderaa 4330 F oxygen optode";
    String sensor_mount "mounted_on_benthic_crawler";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL1248";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL1248";
    String sensor_serial_number "272";
    String standard_name "volume_fraction_of_oxygen_in_sea_water";
    String units "Micromoles per litre";
  }
  DOX1_QC {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 2, 2;
    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";
    Byte flag_values 0, 1, 2, 3, 4, 7, 8, 9;
    String ioos_category "Quality";
    String long_name "Oxygen concentration quality flag";
  }
  OSAT {
    Float32 _FillValue -999.99;
    Float32 actual_range 55.968, 57.44;
    String ancillary_variables "O2SAT_QC";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String coordinates "TIME; DEPTH; LATITUDE; LONGITUDE";
    String ioos_category "Dissolved O2";
    String long_name "oxygen saturation";
    String sdn_P02_urn "SDN:P02::DOXY";
    String sdn_parameter_name "Saturation of oxygen {O2 CAS 7782-44-7} in the water body [dissolved plus reactive particulate phase] by in-situ oxygen optode and computation from concentration";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/OXYSOP01/";
    String sdn_parameter_urn "SDN:P01::OXYSOP01";
    String sdn_uom_name "Percent";
    String sdn_uom_urn "SDN:P06::UPCT";
    String sensor_manufacturer "Aanderaa";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0007/";
    String sensor_manufacturer_urn "SDN:L35::MAN0007";
    String sensor_model "Aanderaa 4330 F oxygen optode";
    String sensor_mount "mounted_on_benthic_crawler";
    String sensor_orientation "horizontal";
    String sensor_reference "https://vocab.nerc.ac.uk/collection/L22/current/TOOL1248";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL1248";
    String sensor_serial_number "272";
    String standard_name "fractional_saturation_of_oxygen_in_sea_water";
    String units "percent";
  }
  OSAT_QC {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 2, 2;
    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";
    Byte flag_values 0, 1, 2, 3, 4, 7, 8, 9;
    String ioos_category "Quality";
    String long_name "Oxygen concentration quality flag";
  }
  phase_Calibrated {
    Float32 _FillValue -999.99;
    Float32 actual_range 35.97, 36.286;
    String comment "calibrated phase : see https://archimer.ifremer.fr/doc/00287/39795/";
    String ioos_category "Unknown";
    String long_name "Calibrated_Phase";
    String sdn_uom_name "Degrees";
    String sdn_uom_urn "SDN:P06::UAAA";
    String technical_data "true";
    String units "degree";
  }
  phase_Temp_Compensated {
    Float32 _FillValue -999.99;
    Float32 actual_range 36.551, 36.864;
    String comment "Temperature compensated phase  : see https://archimer.ifremer.fr/doc/00287/39795/";
    String ioos_category "Temperature";
    String long_name "Temperature compensated phase";
    String technical_data "true";
    String units "degree";
  }
  phase_blue_light {
    Float32 _FillValue -999.99;
    Float32 actual_range 41.15, 41.453;
    String comment "Phase measurement with blue excitation light : see https://archimer.ifremer.fr/doc/00287/39795/";
    String ioos_category "Unknown";
    String long_name "Phase measurement with blue excitation light";
    String sdn_uom_name "Degrees";
    String sdn_uom_urn "SDN:P06::UAAA";
    String technical_data "true";
    String units "degree";
  }
  phase_red_light {
    Float32 _FillValue -999.99;
    Float32 actual_range 4.574, 4.61;
    String comment "Phase measurement with red excitation light : see https://archimer.ifremer.fr/doc/00287/39795/";
    String ioos_category "Unknown";
    String long_name "Phase measurement with red excitation light";
    String sdn_uom_name "Degrees";
    String sdn_uom_urn "SDN:P06::UAAA";
    String technical_data "true";
    String units "degree";
  }
  amplitude_blue_light {
    Float32 _FillValue -999.99;
    Float32 actual_range 295.0, 298.2;
    String comment "Amplitude measurement with blue excitation light : see https://archimer.ifremer.fr/doc/00287/39795/";
    String ioos_category "Unknown";
    String long_name "Amplitude measurement with blue excitation light";
    String sdn_uom_name "Millivolts";
    String sdn_uom_urn "SDN:P06::UUMV";
    String technical_data "true";
    String units "degree";
  }
  amplitude_red_light {
    Float32 _FillValue -999.99;
    Float32 actual_range 540.2, 548.0;
    String comment "Amplitude measurement with red excitation light : see https://archimer.ifremer.fr/doc/00287/39795/";
    String ioos_category "Unknown";
    String long_name "Amplitude measurement with red excitation light";
    String sdn_uom_name "Millivolts";
    String sdn_uom_urn "SDN:P06::UUMV";
    String technical_data "true";
    String units "mV";
  }
  thermistor_bridge {
    Float32 _FillValue -999.99;
    Float32 actual_range 289.7, 291.6;
    String comment "Voltage from thermistor bridge : see https://archimer.ifremer.fr/doc/00287/39795/";
    String ioos_category "Unknown";
    String long_name "Voltage from thermistor bridge";
    String sdn_uom_name "Millivolts";
    String sdn_uom_urn "SDN:P06::UUMV";
    String technical_data "true";
    String units "mV";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id,latitude,longitude";
    String citation "Lefevre Dominique, Martini Severine, Quentin Celine, Libes Maurice, Laus Celine, Bernardet Karim, Gojak Carl (2023). EMSO-Ligure Ouest observatory data (Bathybot) . SEANOE. https://doi.org/10.17882/97948";
    String contributor_name "maurice.libes@osupytheas.fr";
    String contributor_role "raw data conversion, and data formating in NetCDF";
    String Conventions "OceanSITES v1.4,SeaDataNet_1.0,COARDS, CF-1.10, ACDD-1.3";
    String creator_name "SeaDataNet";
    String creator_url "https://www.seadatanet.org/";
    String data_mode "R";
    String data_type "OceanSITES time-series data";
    String date_created "05/03/24  15:35";
    String defaultGraphQuery "time%2CTEMP%2C&time>max(time)-2day&.draw=linesAndMarkers&.marker=3|5&.color=0x000000&.colorBar=|||||&.bgColor=0xffccccff";
    String description "http://www.emso-fr.org/EMSO-Western-Ligurian-Sea/Infrastructure-description";
    String doi "10.17882/97948";
    Float64 Easternmost_Easting 5.9826;
    String emso_facility "Ligurian Sea";
    String featureType "TimeSeries";
    String featuretype "TimeSeries";
    String format_version "1.4";
    Float64 geospatial_lat_max 42.8014;
    Float64 geospatial_lat_min 42.8014;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 5.9826;
    Float64 geospatial_lon_min 5.9826;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 2420.0;
    Float64 geospatial_vertical_min 2420.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"sea bed vehicle
2024-10-30T05:42:58Z (local files)
2024-10-30T05:42:58Z http://erddap.osupytheas.fr/tabledap/Emso_Western_Ligurian_Bathybot_Optodes_NetCDF_2023.das";
    String infoUrl "http://www.emso-fr.org/EMSO-France";
    String infourl "http://www.emso-fr.org/EMSO-France";
    String institution "MIO UMR 7294 CNRS / OSU Pytheas";
    String institution_edmo_code "3078";
    String institution_edmo_uri "https://edmo.seadatanet.org/report/3078";
    String institution_ror_uri "https://ror.org/05258q350";
    String instrument_optode "SDN:L22::TOOL1248  https://vocab.nerc.ac.uk/collection/L22/current/TOOL1248/";
    String instrument_optodes "SDN:L22::TOOL1248 https://vocab.nerc.ac.uk/collection/L22/current/TOOL1248/";
    String keywords "2023-07, amplitude, amplitude_blue_light, amplitude_red_light, bathydock, biogeochemistry, blue, bridge, calibrated, chemistry, climate change, cnrs, compensated, concentration, data, DEPH_QC, depth, dissolved, dissolved o2, DOX1, DOX1_QC, earth, Earth Science > Oceans > Ocean Chemistry > Oxygen, Earth Science > Oceans > Ocean Temperature > Water Temperature, emso, emso-eric, environmental data, excitation, files, flag, fraction, fractional, fractional_saturation_of_oxygen_in_sea_water, france, geosciences, identifier, km3net, latitude, light, ligurian, longitude, measurement, mediterranean sea, mio, name, O2, observatory, ocean, oceans, optode, oregon, OSAT, OSAT_QC, osu, osu pytheas, oxygen, phase, phase_blue_light, phase_Calibrated, phase_red_light, phase_Temp_Compensated, platform, platform_name, position, POSITION_QC, profondeur, pytheas, quality, real, real time, real-time, realtime, red, saturation, science, sea, sea current, sea regions, sea_water_temperature, seawater, sensors, state, station, station_id, TEMP, TEMP_QC, temperature, thermistor, thermistor_bridge, time, TIME_QC, umr, university, voltage, volume, volume_fraction_of_oxygen_in_sea_water, water, western, western basin oceanographic, with";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC-BY-4.0";
    String license_uri "https://spdx.org/licenses/CC-BY-4.0.html";
    String lineage "The infrastructure is dedicated to long term in situ observation. Based on instrumentation of the water column, this infrastructure aims at obtaining continuous in situ and near real-time measurements. Real Time data taking is operational since May 202  EQUIPMENTS : BATHYDOCK capteur OXYGEN_BAS : Aanderaa 4330 , S/N 0272, Optode_Type, Optode_Serial, Oxygen, Saturation_Oxygen (umol/l), BATHYDOCK capteur OXYGEN_Haut : Aanderaa 4330, S/N 0273, Optode_Type, Optode_Serial, Oxygen, Saturation_Oxygen (%), Temperature, https://vocab.nerc.ac.uk/collection/L22/current/TOOL1248/";
    String metadata_contact "celine.quentin@osupytheas.fr, celine.laus@cnrs.fr, maurice.libes@osupytheas.fr";
    String network "EMSO-ERIC";
    Float64 Northernmost_Northing 42.8014;
    String platform_code "BJS_BathyDock";
    String principal_investigator "Dominique Lefevre";
    String principal_investigator_email "Dominique.Lefevre@mio.osupytheas.fr";
    String project "EMSO western Ligurian Sea, Antares http://www.emso-fr.org/EMSO-France";
    String qc_indicator "probably good, raw data from sensor";
    String rfa "If you use these data in publications or presentation, please acknowledge the EMSO Project Office of MIO OSU Pytheas.  Also, we would appreciate receiving a preprint and/or reprint of publications using the data for inclusion in our bibliography. Relevant publications should be sent to: Dominique Lefevre EMSO Project  MIO UMR 7294 CNRS, Campus de Luminy 13288 Marseille cedex9";
    String site_code "LO";
    String source "sea bed vehicle";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 42.8014;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "station_id, latitude, longitude, POSITION_QC, depth, DEPH_QC, TIME_QC, TEMP_QC, DOX1_QC, OSAT_QC";
    String summary "The European Multidisciplinary Seafloor and water column Observatory (EMSO) is a research infrastructure distributed throughout Europe for seabed and water column observatories.  It aims to further explore the oceans, better understand the phenomena that occur on the seabed, and elucidate the critical role that these phenomena play in global Earth systems.  This observatory is based on observation sites (or nodes) that have been deployed in strategic locations in European seas, from the Arctic to the Atlantic, from the Mediterranean to the Black Sea.  There are currently eleven deep water nodes plus four shallow water test nodes.  EMSO Western Ligurian (EMSO-WL) is one of these permanent underwater observatories located in the Ligurian Sea and is deployed off Toulon, France. This region was chosen for its particular scientific interests such as: seismicity, topography, turbidity, biodiversity, water mass dynamics and organic matter flow.  This underwater observation network is located close by KM3NeT (https://www.km3net.org/) which has a modular topology designed to connect up to 120 neutrino detection units. Earth and Sea Science (ESS) instrumentation at the EMSO-WL station is based on two complementary components: an instrumented interface module (MII) and an autonomous instrumented line (ALBATROSS) as well as a junction box (BJS). The BathyFamily is a package of innovative multi-instrumented platforms to observe the deep sea. BathyBot is an Internet Operated Vehicle (IOV) deployed from a landing station (BathyDock), and close to BathyReef a 3D-printed biomimetic colonizer";
    String testOutOfDate "now-1day";
    String time_coverage_end "2024-02-04T19:45:08Z";
    String time_coverage_start "2023-09-20T13:39:07Z";
    String title "EMSO-LO Western Ligurian : BJS_Bathydock Optode sensors (NetCDF files from 2023-09-20)";
    String update_interval "daily 24 hours";
    Float64 Westernmost_Easting 5.9826;
  }
}

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.