Data Access Form

Dataset Title:	NAUTILOS - Fluorimetric sensor AUV - HESSO / EdgeLab - Test
Institution:	HESSO, EdgeLab (Dataset ID: fluorometric_AUV_hesso_edgelab_test)
Information:	Summary \| License \| Metadata \| Background \| Files \| Make a graph

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Variable	Minimum	Maximum
Message_Identifier	"DOTAU"	"DOTAU"
Tau_Value (ps)	11615222	11969329
Temp (degree_Celsius)
DAC_Voltage_Start (mV)	1320	1320
DAC_Voltage_Stop (mV)	400	400

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  Message_Identifier {
    String long_name "Message Identifier";
  }
  Tau_Value {
    Int32 _FillValue 2147483647;
    Int32 actual_range 11615222, 11969329;
    String description "TAU is the difference of time decadence normalized for the difference of voltage between start and stop of the measurement, measured in picoseconds";
    String long_name "Tau Value";
    String units "ps";
  }
  Temp {
    Float64 _FillValue -1.0;
    String ecv "Subsurface Temperature";
    String ecv_uri "https://gcos.wmo.int/site/global-climate-observing-system-gcos/essential-climate-variables/subsurface-temperature";
    String long_name "Temp";
    String parameter_sdn_name "Temperature of the water body";
    String parameter_sdn_uri "https://vocab.nerc.ac.uk/collection/P01/current/TEMPPR01/";
    String parameter_sdn_urn "SDN:P01::TEMPPR01";
    String standard_name "sea_water_temperature";
    String unit_sdn_name "Degrees Celsius";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/UPAA/";
    String unit_sdn_urn "SDN:P06::UPAA";
    String units "degree_Celsius";
    String units_url "https://docs.unidata.ucar.edu/udunits/current/udunits2-derived.xml";
  }
  DAC_Voltage_Start {
    Int16 _FillValue 32767;
    Int16 actual_range 1320, 1320;
    String long_name "DAC Voltage Start";
    String unit_sdn_name "Millivolts";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/UUMV/";
    String unit_sdn_urn "SDN:P06::UUMV";
    String units "mV";
  }
  DAC_Voltage_Stop {
    Int16 _FillValue 32767;
    Int16 actual_range 400, 400;
    String long_name "DAC Voltage Stop";
    String unit_sdn_name "Millivolts";
    String unit_sdn_uri "https://vocab.nerc.ac.uk/collection/P06/current/UUMV/";
    String unit_sdn_urn "SDN:P06::UUMV";
    String units "mV";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "marco.mazza@hefr.ch, edgelab@edgleab.eu";
    String creator_name "HESSO, Michele Cocco, Leonardo Spinelli";
    String creator_type "University, Company";
    String creator_url "https://www.hes-so.ch/accueil, https://www.edgelab.eu/";
    String geospatial_lat_max "44,095808";
    String geospatial_lat_min "44,0954503";
    String geospatial_lat_resolution "10-7";
    String geospatial_lat_units "Degrees north";
    String geospatial_lon_max "9,8632832";
    String geospatial_lon_min "9,862306";
    String geospatial_lon_resolution "10-7";
    String geospatial_lon_units "Degrees east";
    String geospatial_vertical_max "8";
    String geospatial_vertical_min "0";
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "meters";
    String history 
"2025-04-19T13:48:46Z (local files)
2025-04-19T13:48:46Z https://data-nautilos-h2020.eu/erddap/tabledap/fluorometric_AUV_hesso_edgelab_test.html";
    String infoUrl "https://nautilos-h2020.eu/";
    String inspire "Environmental monitoring facilities, Oceanographic geographical features";
    String institution "HESSO, EdgeLab";
    String institution_country "CH, IT";
    String institution_edmo_code "6043, 6015";
    String keywords "data, dissolved, dissolved-oxygen, Earth Science > Terrestrial Hydrosphere > Water Quality/Water Chemistry > Gases > Dissolved Oxygen, heiafr, hesso, local, nautilos, O2, ocean, oceans, oxygen, oxygen-meters, quality, source";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC-BY 4.0";
    String naming_authority "NAUTILOS";
    String platform_type_sdn_name "autonomous underwater vehicle";
    String platform_type_sdn_uri "https://vocab.nerc.ac.uk/collection/L06/current/25/";
    String platform_type_sdn_urn "SDN:L06::25";
    String project_code "NAUTILOS";
    String Project_DOI "https://doi.org/10.3030/101000825";
    String project_edmerp "13720";
    String project_id "101000825";
    String project_name "New Approach to Underwater Technologies for Innovative, Low-cost Ocean obServation";
    String project_statement "This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No. 101000825 (NAUTILOS). This output reflects only the author's view and the European Union cannot be held responsible for any use that may be made of the information contained therein";
    String references "Dissolved oxygen measurament test performed by an autonomous underwater vehicle in the harbor of La Spezia (Italy)";
    String sensor_manufacturer_sdn_name "Custom-Made";
    String sensor_manufacturer_sdn_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0069/";
    String sensor_manufacturer_sdn_urn "SDN:L35::MAN0069";
    String sensor_nautilos "Fluorometric Oxygen Sensor - HESSO";
    String source "Dissolved oxygen fluorimeter";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Data stream with different frequency measurement obtained via integration of the DO sensors on an AUV";
    String time_coverage_end "2024-11-23T12:17:33Z";
    String time_coverage_resolution "ss";
    String time_coverage_start "2024-11-23T12:10:56Z";
    String title "NAUTILOS - Fluorimetric sensor AUV - HESSO / EdgeLab - Test";
    String variables "Message_Identifier, DOTAU, DOTAU, Tau_Value, Temp, DAC_Voltage_Start, DAC_Voltage_Stop";
  }
}

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.