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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  GSOPier - SUNA   RSS
Institution:  Graduate School of Oceanography, Marine Ecosystems Research Laboratory, University of Rhode Island   (Dataset ID: URI_GSOPier_Suna)
Range: longitude = -71.371185 to -71.371185°E, latitude = 41.49216 to 41.49216°N, depth = 1.0 to 1.0m, time = 2017-05-31T20:30:00Z to 2019-10-18T16:30:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background | Data Access Form
 
Graph Type:  ?
X Axis: 
Y Axis: 
Color: 
-1 +1
 
Constraints ? Optional
Constraint #1 ?
Optional
Constraint #2 ?
       
       
       
       
       
 
Server-side Functions ?
 distinct() ?
? (" ")
 
Graph Settings
Marker Type:   Size: 
Color: 
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   Ascending: 
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: (File Type information)
and
or view the URL:
(Documentation / Bypass this form ? )
    Click on the map to specify a new center point. ?
Zoom: 
Time range:    <<    -              
[The graph you specified. Please be patient.]

 

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:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4962626e+9, 1.5714162e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "UTC Sample Time";
    String short_name "time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  station_name {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "station name";
    String standard_name "station_name";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue -999.99;
    Float64 actual_range 41.49216, 41.49216;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String short_name "lat";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue -999.99;
    Float64 actual_range -71.371187, -71.371187;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String short_name "lon";
    String standard_name "longitude";
    String units "degrees_east";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue -999.99;
    Float64 actual_range 1.0, 1.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String short_name "depth";
    String standard_name "depth";
    String units "m";
  }
  nitrogen {
    Float64 _FillValue -999.99;
    Float64 actual_range -13.4, 152733.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mass Concentration of Nitrogen";
    String standard_name "mass_concentration_of_inorganic_nitrogen_in_sea_water";
    String units "mg L-1";
  }
  lightSpec {
    Float64 _FillValue -999.99;
    Float64 actual_range 0.0, 27953.0;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Light Spec";
    String units "count";
  }
  darkSpec {
    Float64 _FillValue -999.99;
    Float64 actual_range 0.0, 18162.0;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Dark Spec";
    String units "count";
  }
  nitrate {
    Float64 _FillValue -999.99;
    Float64 actual_range -957.5, 53117.0;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mole Concentration of Nitrate";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
    String units "mol m-3";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_name, latitude, longitude, depth";
    String contributor_email "devops@rpsgroup.com";
    String contributor_name "RPS";
    String contributor_role "custodian";
    String contributor_role_vocabulary "https://vocab.nerc.ac.uk/collection/G04/current/";
    String contributor_url "https://rpsgroup.com";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_address "11 Aquarium Road";
    String creator_city "Narragansett";
    String creator_country "USA";
    String creator_email "stoffelh@uri.edu";
    String creator_institution "University of Rhode Island's Graduate School of Oceanography";
    String creator_name "Heather Stoffel";
    String creator_phone "(401) 874 6860";
    String creator_postalcode "02882";
    String creator_sector "academic";
    String creator_state "Rhode Island";
    String creator_type "institution";
    String creator_url "http://www.gso.uri.edu/merl/merl.html";
    String date_created "2019-10-28";
    String date_issued "2019-10-28";
    Float64 Easternmost_Easting -71.371187;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 41.49216;
    Float64 geospatial_lat_min 41.49216;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -71.371187;
    Float64 geospatial_lon_min -71.371187;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 1.0;
    Float64 geospatial_vertical_min 1.0;
    String geospatial_vertical_origin "sea surface";
    String geospatial_vertical_positive "down";
    Float64 geospatial_vertical_resolution 0.0;
    String geospatial_vertical_units "m";
    String history 
"Observations
2019-11-12T04:23:16Z (local files)
2019-11-12T04:23:16Z http://www.neracoos.org/tabledap/URI_GSOPier_Suna.das";
    String id "GSOSUNA";
    String infoUrl "http://www.neracoos.org";
    String institution "Graduate School of Oceanography, Marine Ecosystems Research Laboratory, University of Rhode Island";
    String keywords "association, bay, chemistry, concentration, dark, darkSpec, data, depth, dissolved, dissolved nutrients, earth, Earth Science > Oceans > Ocean Chemistry > Inorganic Matter, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Ocean Chemistry > Nitrogen, ecosystems, fix, graduate, greenwich, identifier, inorganic, island, laboratory, latitude, light, lightSpec, longitude, marine, mass, mass_concentration_of_inorganic_nitrogen_in_sea_water, matter, mole, mole_concentration_of_nitrate_in_sea_water, n02, name, neracoos, nitrate, nitrogen, no3, northeastern, nutrients, observing, ocean, oceanography, oceans, regional, research, rhode, sample, school, science, sea, seawater, sensor, spec, station, station_name, statistics, suna, systems, time, university, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "Freely distributed";
    String Metadata_Conventions "Unidata Dataset Discovery v1.0, CF-1.6";
    String metadata_link "http://www.dem.ri.gov/bart/netdata.htm";
    String naming_authority "edu.uri";
    String neracoos_data_provider "URI";
    Float64 Northernmost_Northing 41.49216;
    String organization "Narragansett Bay Fixed-site Water Quality Monitoring Network (NBFSMN)";
    String processing_level "realtime";
    String project "NERACOOS";
    String publisher_address "195 New Hampshire Ave. Suite 240";
    String publisher_city "Portsmouth";
    String publisher_country "USA";
    String publisher_email "info@neracoos.org";
    String publisher_name "Northeastern Regional Association of Coastal and Ocean Observing Systems (NERACOOS)";
    String publisher_phone "(603) 319 1785";
    String publisher_postalcode "03801";
    String publisher_state "New Hampshire";
    String publisher_type "institution";
    String publisher_url "http://www.neracoos.org/";
    String source "Observations";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 41.49216;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Northeastern Regional Association Ocean Observing Systems (NERACOOS) Dock station consisting of a SUNA (Submersible Ultraviolet Nitrate Analyzer) deployed 1.0m from the surface. Funding agency is RIDEM_OWR and data quality control follow protocols from NBFSMN QAPP (www.dem.ri.gov/pubs/qapp/nbfsmn.pdf)";
    String testOutOfDate "now-2days";
    String time_coverage_end "2019-10-18T16:30:00Z";
    String time_coverage_start "2017-05-31T20:30:00Z";
    String title "GSOPier - SUNA";
    Float64 Westernmost_Easting -71.371187;
  }
}

 

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.

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.


 
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