Make A Graph

Dataset Title:	(SECOORA) Glider - NASA/BOEM Canaveral Wave Gliders - BOEM FACT Carnaval Wave Glider Deployment: BOEM_MMP_2018_004
Institution:	Unknown (Dataset ID: axiom-netcdf-harvest-secoora-boem-fact-wave-BOEM-MMP-2018-004)
Range:	longitude = -80.809326 to -80.24132°E, latitude = 28.212965 to 28.939957°N, time = 2018-11-27T09:40:00Z to 2018-12-18T10:20:00Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| 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 {
  air_pressure {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 981.4, 1036.5;
    String coordinates "time z longitude latitude";
    String ioos_category "Pressure";
    String long_name "Air Pressure";
    String standard_name "air_pressure";
    String units "mb";
  }
  air_temperature {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 36.8, 999.0;
    String coordinates "time z longitude latitude";
    String ioos_category "Temperature";
    String long_name "Air Temperature";
    String standard_name "air_temperature";
    String units "degree_Celsius";
  }
  bony_fish_detections {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.0, 14.0;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Bony_Fish_Detections (count)";
    String standard_name "acoustic_bony_fish_detections";
    String units "count";
  }
  cdom_fluorometer {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 36.28, 508.12;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Colored dissolved organic matter, expressed as Relative Flourescence Units (RFU). Measured at ocean surface.";
    String standard_name "ocean_mass_content_of_dissolved_organic_carbon";
    String units "RFU";
  }
  chlorophyll_a_fluorometer {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 94.64, 1279.59;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Chlorophyll a, expressed as Relative Flourescence Units (RFU). Measured at ocean surface.";
    String standard_name "mass_concentration_of_chlorophyll_in_sea_water";
    String units "RFU";
  }
  crs {
    Int32 actual_range -2147483647, -2147483647;
    String epsg_code "EPSG:4326";
    String grid_mapping_name "latitude_longitude";
    Float64 inverse_flattening 298.257223563;
    String ioos_category "Other";
    String long_name "http://www.opengis.net/def/crs/EPSG/0/4326";
    Float64 semi_major_axis 6378137.0;
  }
  current_direction {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.4500000000000031, 359.545;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Current Direction";
    String standard_name "sea_water_direction";
    String units "degrees";
  }
  current_speed {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.01800554, 0.7690937800000001;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Current Speed";
    String standard_name "sea_water_speed";
    String units "m.s-1";
  }
  dissolved_oxygen_adjusted_hobo {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 6.6, 7.93;
    String comment "DO is adjusted by ONSET software to account for salinity. Defaults used are 35 ppt and 760 mg Hg";
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Dissolved Oxygen Concentration";
    String probe_serial "20018526";
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
    String units "kg.m-3";
  }
  dissolved_oxygen_hobo {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 8090.0, 9800.0;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Dissolved Oxygen Concentration";
    String probe_serial "20018526";
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
    String units "kg.m-3";
  }
  dissolved_oxygen_sat_hobo {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 90.8, 107.5;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Dissolved Oxygen Saturation";
    String probe_serial "20018526";
    String standard_name "fractional_saturation_of_oxygen_in_sea_water";
    String units "%";
  }
  heading {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.4999999999999903, 359.49999999999994;
    String comments "Direction of the wave glider over the water surface";
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Platform Direction";
    String standard_name "platform_direction_wrt_sea_water";
    String units "degrees";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue -9999.9;
    Float64 actual_range 28.212964999999997, 28.9399575;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue -9999.9;
    Float64 actual_range -80.80932250000001, -80.24132;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  notes_fluorometer {
    UInt32 _ChunkSizes 3029;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Note about the fluorometer measurements";
  }
  payload_data {
    UInt32 _ChunkSizes 3029;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
  }
  ray_detections {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.0, 3.0;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Ray_Detections (count)";
    String standard_name "acoustic_ray_detections";
    String units "count";
  }
  shark_detections {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.0, 31.0;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Shark_Detections (count)";
    String standard_name "acoustic_shark_detections";
    String units "count";
  }
  speed {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.151666579526, 1.4649988982300002;
    String comments "Speed of the wave glider over the water surface";
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Platform Speed";
    String standard_name "platform_speed_wrt_sea_water";
    String units "m.s-1";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5433116e+9, 1.5451284e+9;
    String axis "T";
    String calendar "standard";
    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";
  }
  trajectory {
    String cf_role "trajectory_id";
    String ioos_category "Identifier";
    String long_name "trajectory identifier";
  }
  turbidity_fluorometer {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 8.03, 245.96;
    String comments "Turbidity, expressed as Relative Flourescence Units (RFU). Measured at ocean surface.";
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Turbidity (RFU)";
    String standard_name "sea_water_turbidity";
    String units "RFU";
  }
  unknown_detections {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.0, 6.0;
    String coordinates "time z longitude latitude";
    String ioos_category "Unknown";
    String long_name "Unknown_Detections (count)";
    String standard_name "acoustic_unknown_detections";
    String units "count";
  }
  water_temperature_fluorometer {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 18.62, 24.58;
    String comments "Surface water temperature measured by fluorometer. Values are likely accurate but may not be best indicator of true water temperature due to heat produced by solar panels. HOBO temp values (water_temperature_hobo) may be best.";
    String coordinates "time z longitude latitude";
    String ioos_category "Temperature";
    String long_name "Water Temperature (Fluorometer)";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  water_temperature_hobo {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 18.66, 24.38;
    String comments "Surface water temperature measured by HOBO.";
    String coordinates "time z longitude latitude";
    String ioos_category "Temperature";
    String long_name "Water Temperature (HOBO - DO)";
    String probe_serial "20018526";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  wind_direction {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.0, 359.8;
    String coordinates "time z longitude latitude";
    String ioos_category "Wind";
    String long_name "Wind from Direction";
    String standard_name "wind_from_direction";
    String units "degrees";
  }
  wind_gust {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 1.1317768000000001, 51.1357336;
    String coordinates "time z longitude latitude";
    String ioos_category "Wind";
    String long_name "Wind Gust";
    String standard_name "wind_speed_of_gust";
    String units "m.s-1";
  }
  wind_speed {
    UInt32 _ChunkSizes 3029;
    Float64 _FillValue -9999.9;
    Float64 actual_range 0.4629996, 15.5362088;
    String coordinates "time z longitude latitude";
    String ioos_category "Wind";
    String long_name "Wind Speed";
    String standard_name "wind_speed";
    String units "m.s-1";
  }
  z {
    Int32 _FillValue -9999;
    Int32 actual_range 0, 0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=1|netcdflibversion=4.6.1|hdf5libversion=1.10.2";
    String acknowledgement "NASA,BOEM,FACT,SECOORA";
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "trajectory";
    String Conventions "CF-1.6, ACDD-1.3, Unidata Dataset Discovery v1.0";
    String creator_email "eric.a.reyier@nasa.gov";
    String creator_name "Eric A. Reyier";
    String creator_url "https://www.nasa.gov";
    String date_created "2019-01-31T14:57:00Z";
    Float64 Easternmost_Easting -80.24132;
    String featureType "Trajectory";
    String geospatial_bounds "POLYGON ((-80.49795499999999 28.212965, -80.50646 28.212975, -80.5539175 28.213085, -80.57569333333333 28.21368166666667, -80.57634499999999 28.21449, -80.80932250000001 28.9393425, -80.8067375 28.939925, -80.63084499999999 28.9399575, -80.49142999999999 28.939155, -80.4315275 28.8468, -80.31331 28.5711725, -80.259185 28.310885, -80.24551500000001 28.24127, -80.24132 28.219085, -80.24191500000001 28.21681, -80.24628 28.216615, -80.418755 28.21317, -80.424215 28.213145, -80.4286975 28.2131275, -80.49795499999999 28.212965))";
    String geospatial_bounds_vertical_crs "EPSG:4326";
    Float64 geospatial_lat_max 28.9399575;
    Float64 geospatial_lat_min 28.212964999999997;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -80.24132;
    Float64 geospatial_lon_min -80.80932250000001;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "down";
    String history 
"2025-07-01T06:49:47Z https://files.stage.platforms.axds.co/axiom/netcdf_harvest/secoora/boem_fact_wave/BOEM_MMP_2018_004/processed.nc
2025-07-01T06:49:47Z http://erddap.secoora.org/tabledap/axiom-netcdf-harvest-secoora-boem-fact-wave-BOEM-MMP-2018-004.das";
    String id "BOEM_MMP_2018_004";
    String info_url "https://www.nasa.gov/centers/kennedy/home/index.html";
    String infoUrl "https://portal.axds.co/?portal_id=47#platform/761896fa-258d-5742-bedb-8090c23cc00c/v2";
    String institution "Unknown";
    String keywords "boem, fact, ioos, nasa, secoora, trajectory, unmanned, waveglider";
    String license "The data may be used and redistributed for free but is not intended for legal use, since it may contain inaccuracies. Neither the data Contributor, ERD, NOAA, nor the United States Government, nor any of their employees or contractors, makes any warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, or assumes any legal liability for the accuracy, completeness, or usefulness, of this information.";
    String Metadata_Conventions "CF-1.6, ACDD-1.3, Unidata Dataset Discovery v1.0";
    String metadata_link "https://www.nasa.gov";
    String naming_authority "gov.nasa";
    Float64 Northernmost_Northing 28.9399575;
    String packrat_source "axiom.netcdf_harvest.netcdf_harvest";
    String packrat_source_id "secoora/boem_fact_wave/BOEM_MMP_2018_004";
    String packrat_uuid "761896fa-258d-5742-bedb-8090c23cc00c";
    String platform_category "waveglider";
    String platform_type "waveglider";
    String processing_level "NetCDF file created from a post-deployment spreadsheet obtained from Eric A. Reyier.";
    String project "NASA/BOEM Canaveral Wave Gliders";
    String publisher_email "dmac@secoora.org";
    String publisher_name "SECOORA";
    String publisher_url "https://secoora.org";
    String sea_name "Atlantic";
    String source "NASA/BOEM Canaveral Wave Gliders Project";
    String sourceUrl "https://files.stage.platforms.axds.co/axiom/netcdf_harvest/secoora/boem_fact_wave/BOEM_MMP_2018_004/processed.nc";
    Float64 Southernmost_Northing 28.212964999999997;
    String standard_name_vocabulary "CF-v58";
    String summary "No summary available";
    String time_coverage_end "2018-12-18T10:20:00Z";
    String time_coverage_start "2018-11-27T09:40:00Z";
    String title "(SECOORA) Glider - NASA/BOEM Canaveral Wave Gliders - BOEM FACT Carnaval Wave Glider Deployment: BOEM_MMP_2018_004";
    Float64 Westernmost_Easting -80.80932250000001;
  }
}

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.