Data Access Form

Dataset Title:	NAUTILOS - Fluorescence sensor NKE - Ifremer - Test
Institution:	Ifremer (Dataset ID: nautilos_chlorophyll_ifremer_test)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Files \| Make a graph

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Variable	Minimum	Maximum
time (Timestamp(Standard), UTC)	2023-10-31T10:00:50Z	2024-07-08T09:00:00Z

CH0_Pressure_bar (CH0:Pressure(bar))	-0.015	6.622
CH1_Temperature_degC	13.082	15.614
CH2_Chlorophyll_a_ppb	0.0	8100.526
CH3_Depth_m (CH3:Depth(m))	-0.1	24.7
latitude (degrees_north)	48.3775	48.59143

longitude (degrees_east)	-4.98342	-4.75534

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.69874645e+9, 1.7204292e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Timestamp(Standard)";
    String source_name "Timestamp(Standard)";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00Z";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  CH0_Pressure_bar {
    Float32 actual_range -0.015, 6.622;
    String long_name "CH0:Pressure(bar)";
  }
  CH1_Temperature_degC {
    Float32 actual_range 13.082, 15.614;
    String long_name "CH1:Temperature(deg C)";
  }
  CH2_Chlorophyll_a_ppb {
    Float32 actual_range 0.0, 8100.526;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String long_name "Concentration Of Chlorophyll In Sea Water";
    String standard_name "concentration_of_chlorophyll_in_sea_water";
  }
  CH3_Depth_m {
    Float32 actual_range -0.1, 24.7;
    String long_name "CH3:Depth(m)";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 _FillValue NaN;
    Float32 actual_range 48.3775, 48.59143;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String source_name "Latitude(degNorth)";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 _FillValue NaN;
    Float32 actual_range -4.98342, -4.75534;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String source_name "Longitude(degEast)";
    String standard_name "longitude";
    String units "degrees_east";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.10, ACDD-1.3";
    Float64 Easternmost_Easting -4.75534;
    String featureType "Point";
    Float64 geospatial_lat_max 48.59143;
    Float64 geospatial_lat_min 48.3775;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -4.75534;
    Float64 geospatial_lon_min -4.98342;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-11-23T14:04:14Z (local files)
2024-11-23T14:04:14Z http://data-nautilos-h2020.eu/erddap/tabledap/nautilos_chlorophyll_ifremer_test.html";
    String infoUrl "https://wwz.ifremer.fr/";
    String institution "Ifremer";
    String keywords "bar, ch0, CH0_Pressure_bar, ch1, CH1_Temperature_degC, CH2_Chlorophyll_a_ppb, ch3, CH3_Depth_m, chemistry, chlorophyll, concentration, concentration_of_chlorophyll_in_sea_water, data, depth, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, exploitation, francais, ifremer, institut, latitude, local, longitude, mer, ocean, oceans, pour, pressure, recherche, science, sea, seawater, source, standard, temperature, time, timestamp, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC-BY 4.0";
    String naming_authority "NAUTILOS";
    Float64 Northernmost_Northing 48.59143;
    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 sourceUrl "(local files)";
    Float64 Southernmost_Northing 48.3775;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Data from a local source.";
    String testOutOfDate "now-15days";
    String time_coverage_end "2024-07-08T09:00:00Z";
    String time_coverage_start "2023-10-31T10:00:50Z";
    String title "NAUTILOS - Fluorescence sensor NKE - Ifremer - Test";
    Float64 Westernmost_Easting -4.98342;
  }
}

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.