Make A Graph

Dataset Title:	"Profile - R1.x132.134.0087 - PE13-21_Highsmith_Cast7_3-9-2013 - 27.37N, 90. 57W - 2013-03-09"
Institution:	University of Maryland, Chesapeake Biological Lab (Dataset ID: R1_x132_134_0087_PE13-21_Highsmith_Cast7_3-9-2013)
Range:	longitude = -90.568665 to -90.568665°E, latitude = 27.371334 to 27.371334°N, depth = 1.008 to 1182.508m, time = 2013-03-09T13:48:21Z to 2013-03-09T13:48:21Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form

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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:

Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  profile {
    Int16 actual_range -32767, -32767;
    String cf_role "profile_id";
    String coverage_content_type "Unknown";
    String ioos_category "Other";
    String long_name "PE13-21_CTD-2013-3-9";
    String standard_name "unknown";
    String units "Unknown";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.362836901e+9, 1.362836901e+9;
    String axis "T";
    String calendar "Gregorian";
    String coverage_content_type "physicalMeasurement";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 27.371333333333332, 27.371333333333332;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 27.371333333333332;
    Float64 valid_min 27.371333333333332;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue -9.99e-29;
    Float64 actual_range -90.56866666666667, -90.56866666666667;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max -90.56866666666667;
    Float64 valid_min -90.56866666666667;
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 1.008, 1182.508;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
    Float64 valid_max 1182.508;
    Float64 valid_min 1.008;
  }
  pressure {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 1.007, 1193.777;
    String axis "z";
    Float64 colorBarMaximum 5000.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String ioos_category "Temperature";
    String long_name "Sea Water Pressure";
    String positive "down";
    String standard_name "sea_water_pressure";
    String units "dbar";
    Float64 valid_max 1193.777;
    Float64 valid_min 1.007;
  }
  temp {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 4.6931, 21.4688;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "temperature";
    String platform "RV_Pelican";
    String standard_name "sea_water_temperature";
    String units "degree_C";
    Float64 valid_max 21.4688;
    Float64 valid_min 4.6931;
  }
  temp2 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 4.6928, 21.4696;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "temperature 2";
    String platform "RV_Pelican";
    String standard_name "sea_water_temperature";
    String units "degree_C";
    Float64 valid_max 21.4696;
    Float64 valid_min 4.6928;
  }
  cond1 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 3.366214, 5.140434;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "Sea Water Electrical Conductivity";
    String platform "RV_Pelican";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
    Float64 valid_max 5.140434;
    Float64 valid_min 3.366214;
  }
  cond2 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 3.36637, 5.141073;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "Sea Water Electrical Conductivity";
    String platform "RV_Pelican";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
    Float64 valid_max 5.141073;
    Float64 valid_min 3.36637;
  }
  sal {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 33.2747, 36.5669;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "salinity";
    String platform "RV_Pelican";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
    Float64 valid_max 36.5669;
    Float64 valid_min 33.2747;
  }
  sal2 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 34.9049, 36.5694;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "salinity";
    String platform "RV_Pelican";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
    Float64 valid_max 36.5694;
    Float64 valid_min 34.9049;
  }
  oxy1 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 0.819, 4.7329;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "Oxygen, SBE 43";
    String platform "RV_Pelican";
    String standard_name "concentration_of_dissolved_oxygen_in_sea_water";
    String units "ml/l";
    Float64 valid_max 4.7329;
    Float64 valid_min -9.99e-29;
  }
  oxy2 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 2.5453, 4.7358;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "Oxygen SBE 43";
    String platform "RV_Pelican";
    String standard_name "concentration_of_dissolved_oxygen_in_sea_water";
    String units "ml/l";
    Float64 valid_max 4.7358;
    Float64 valid_min -9.99e-29;
  }
  oxysat {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 4.98316, 7.1443;
    Float64 colorBarMaximum 8.0;
    Float64 colorBarMinimum -2.0;
    String comment "Weiss method";
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "Oxygen Saturation";
    String platform "RV_Pelican";
    String standard_name "oxygen saturation";
    String units "ml/l";
    Float64 valid_max 7.1443;
    Float64 valid_min -9.99e-29;
  }
  dens1 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 1025.5522, 1033.1377;
    Float64 colorBarMaximum 28.0;
    Float64 colorBarMinimum 20.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "density";
    String platform "RV_Pelican";
    String standard_name "sea_water_density";
    String units "kg/m^3";
    Float64 valid_max 1033.1377;
    Float64 valid_min 1025.5522;
  }
  wetCDOM {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 3.0902, 4.9459;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 3.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "Fluorescence, WET Labs CDOM";
    String platform "RV_Pelican";
    String standard_name "fluorescence, wet labs cdom";
    String units "mg/m^3";
    Float64 valid_max 4.9459;
    Float64 valid_min 3.0902;
  }
  bat {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range -0.087, 0.0165;
    Float64 colorBarMaximum 0.05;
    Float64 colorBarMinimum -0.1;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Temperature";
    String long_name "Beam Attenuation, Chelsea/Seatech";
    String standard_name "beam_attenuation_in_sea_water_";
    String units "1/m";
    Float64 valid_max 0.0165;
    Float64 valid_min -0.087;
  }
  xmiss {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 99.5897, 102.1982;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "Beam Transmission, Chelsea/Seatech";
    String platform "RV_Pelican";
    String standard_name "beam_transmission_in_sea_water_";
    String units "percent";
    Float64 valid_max 102.1982;
    Float64 valid_min 99.5897;
  }
  sigmat {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 25.5152, 27.9524;
    Float64 colorBarMaximum 28.0;
    Float64 colorBarMinimum 20.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "density";
    String platform "RV_Pelican";
    String standard_name "sea_water_density";
    String units "kg/m^3";
    Float64 valid_max 27.9524;
    Float64 valid_min 25.5152;
  }
  sigmat2 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 25.5451, 27.6706;
    Float64 colorBarMaximum 28.0;
    Float64 colorBarMinimum 20.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "density";
    String platform "RV_Pelican";
    String standard_name "sea_water_density";
    String units "kg/m^3";
    Float64 valid_max 27.6706;
    Float64 valid_min 25.5451;
  }
  alt {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 8.91, 101.2;
    Float64 colorBarMaximum 120.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name " Altimeter";
    String platform "RV_Pelican";
    String standard_name "altimeter";
    String units "m";
    Float64 valid_max 101.2;
    Float64 valid_min 8.91;
  }
  svcm1 {
    Float64 _FillValue -9.99e-29;
    Float64 actual_range 1487.34, 1529.25;
    Float64 colorBarMaximum 1530.0;
    Float64 colorBarMinimum 1480.0;
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String instrument "Seabird CTD";
    String ioos_category "Temperature";
    String long_name "Average Sound Velocity [Chen-Millero]";
    String platform "RV_Pelican";
    String standard_name "average_speed_of_sound_in_sea_water ";
    String units "m/s";
    Float64 valid_max 1529.25;
    Float64 valid_min 1487.34;
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Profile";
    String cdm_profile_variables "depth, pressure, temp, temp2, cond1, cond2, sal, sal2, oxy1, oxy2, oxysat, dens1, wetCDOM, bat, xmiss, sigmat, sigmat2, alt, svcm1";
    String comment "Unknown";
    String contributor_email "matt.saxton@gmail.com";
    String contributor_institution "University of Georgia";
    String contributor_name "Matthew Saxon";
    String contributor_phone "1-706-542-6818";
    String contributor_role "Research Professional";
    String Conventions "CF-1.6,ACDD-1.3, COARDS";
    String Country "USA";
    String creator_email "llapham33@gmail.com";
    String creator_institution "University of Maryland, Chesapeake Biological Lab";
    String creator_name "Laura Lapham";
    String creator_phone "+1-410-326-7291";
    String creator_type "person";
    String creator_url "Unknown";
    String date_created "2016-01-22T13:22:13Z";
    String date_last_modified "22-Jan-2016 13:22:13";
    String defaultGraphQuery "temp,depth,profile&.draw=markers&.marker=5%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff&.yRange=%7C%7Cfalse";
    Float64 Easternmost_Easting -90.56866666666667;
    String featureType "Profile";
    String geospatial_bounds "POLYGON((-90.5686666667 27.3713333333, -90.5686666667 27.3713333333, -90.5686666667 27.3713333333, -90.5686666667 27.3713333333))";
    String geospatial_bounds_crs "EPSG:4326";
    String geospatial_bounds_vertical_crs "EPSG:5831";
    Float64 geospatial_lat_max 27.371333333333332;
    Float64 geospatial_lat_min 27.371333333333332;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -90.56866666666667;
    Float64 geospatial_lon_min -90.56866666666667;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 1182.508;
    Float64 geospatial_vertical_min 1.008;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    Float64 getspatial_lat_max 27.371333333333332;
    String history 
"Unknown
2025-04-21T01:56:34Z (local files)
2025-04-21T01:56:34Z https://erddap.griidc.org/tabledap/R1_x132_134_0087_PE13-21_Highsmith_Cast7_3-9-2013.das";
    String id "PE13-21_CTD";
    String infoUrl "https://data.gulfresearchinitiative.org/data/R1.x132.134:0087";
    String institution "University of Maryland, Chesapeake Biological Lab";
    String instrument "Seabird CTD";
    String keywords "06-10, altimeter, altimetry, attenuation, average, average_speed_of_sound_in_sea_water, bat, beam, beam_attenuation_in_sea_water, beam_transmission_in_sea_water, biological, cdom, chelsea, chelsea/seatech, chen, chen-millero, chesapeake, colored, concentration, concentration_of_dissolved_oxygen_in_sea_water, cond1, cond2, conductivity, ctd, ctd-2013-3-9, data, dens1, density, depth, dissolved, earth, Earth Science > Oceans > Ocean Pressure > Water Pressure, 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, fluorescence, gc600, gom, gulf, gulf of mexico, hydrographic, lab, laboratory, labs, latitude, longitude, maryland, matter, mexico, millero, O2, ocean, oceans, organic, oxy1, oxy2, oxygen, oxygen saturation, oxysat, pe13, pe13-21, pelican, practical, pressure, profile, r/v, sal, sal2, salinity, satellite, saturation, sbe, science, sea, sea_water_density, sea_water_electrical_conductivity, sea_water_practical_salinity, sea_water_pressure, sea_water_temperature, seatech, seawater, sigmat, sigmat2, sonde, sound, speed, svcm1, temp2, temperature, time, transmission, university, v, velocity, water, wet, wet labs cdom, wetCDOM, xmiss";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "Unknown";
    String metadata_link "https://data.gulfresearchinitiative.org/data/R1.x132.134:0087";
    String naming_authority "org.gulfresearchinitiative.data";
    String nodc_template_version "NODC_NetCDF_Profile_Incomplete_Template_v1.0";
    Float64 Northernmost_Northing 27.371333333333332;
    String platform "RV_Pelican";
    String processing_level "Unknown";
    String project "National Institute for Undersea Science and Technology (NIUST) funding. (Pre-ECOGIG)";
    String publisher_email "griidc@gomri.org";
    String publisher_name "Gulf of Mexico Research Initiative Information and Data (GRIIDC)";
    String publisher_type "institution";
    String publisher_udi "R1.x132.134:0087";
    String publisher_url "https://data.gulfresearchinitiative.org";
    String sea_name "Northern Gulf of Mexico";
    String source "Unknown";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 27.371333333333332;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String submitting_institution "University of Maryland, Chesapeake Biological Lab";
    String subsetVariables "depth, pressure, temp, temp2, cond1, cond2, sal, sal2, oxy1, oxy2, oxysat, dens1, wetCDOM, bat, xmiss, sigmat, sigmat2, alt, svcm1";
    String summary "R/V Pelican: PE13-21 Hydrographic (Conductivity, Temperature, Depth (CTD)) Data, Gulf of Mexico (GC600), March 6-10, 2013. Seven conductivity, temperature and depth (CTD) casts made from the RV Pelican in the northern Gulf of Mexico in lease block GC600 in conjunction with and support of ongoing deep sea lander experiments.";
    String time_coverage_duration "P0D";
    String time_coverage_end "2013-03-09T13:48:21Z";
    String time_coverage_resolution "Unknown";
    String time_coverage_start "2013-03-09T13:48:21Z";
    String title "\"Profile - R1.x132.134.0087 - PE13-21_Highsmith_Cast7_3-9-2013 - 27.37N, 90.57W - 2013-03-09\"";
    Float64 Westernmost_Easting -90.56866666666667;
  }
}

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.