Make A Graph

Dataset Title:	10.5066-P96EH1MS - BEL19B3B03exo-a
Institution:	Coastal and Marine Hazards and Resources Program, U.S. Geological Survey (Dataset ID: 10_5066_P96EH1MS_BEL19B3B03exo_a_nc)
Range:	longitude = -122.52242 to -122.52242°E, latitude = 48.75666 to 48.75666°N, time = 2019-11-19T22:30:00Z to 2020-02-05T20:30:00Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form \| Files

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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 {
  station_id {
    String actual_range 
"10_5066_P96EH1MS_BEL19B3B03exo_a_nc
10_5066_P96EH1MS_BEL19B3B03exo_a_nc";
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station ID";
  }
  time {
    UInt32 _ChunkSizes 1024;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5742026e+9, 1.5809346e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "time (UTC)";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  C_51 {
    UInt32 _ChunkSizes 499;
    Float64 actual_range 1.57762, 3.38076;
    Float64 epic_code 51;
    String FillValue "nan";
    String height_depth_units "m";
    Float64 initial_instrument_height 0.15;
    String ioos_category "Other";
    String long_name "Conductivity";
    Float64 maximum 3.38076;
    Float64 minimum 1.57762;
    String sensor_serial_number "15G105073";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
  }
  S_41 {
    UInt32 _ChunkSizes 499;
    Float64 actual_range 14.95, 31.01;
    String comments "Practical salinity units (PSU)";
    Float64 epic_code 41;
    String FillValue "nan";
    String height_depth_units "m";
    Float64 initial_instrument_height 0.15;
    String ioos_category "Other";
    String long_name "Salinity, PSU";
    Float64 maximum 31.01;
    Float64 minimum 14.95;
    String sensor_serial_number "15G105073";
    String standard_name "sea_water_practical_salinity";
    String units "1";
  }
  SpC_48 {
    UInt32 _ChunkSizes 499;
    Float64 actual_range 2484.02, 4791.8;
    String comment "Temperature compensated to 25 °C";
    Float64 epic_code 48;
    String FillValue "nan";
    String height_depth_units "m";
    Float64 initial_instrument_height 0.15;
    String ioos_category "Other";
    String long_name "Conductivity";
    Float64 maximum 4791.8;
    Float64 minimum 2484.02;
    String sensor_serial_number "15G105073";
    String standard_name "sea_water_electrical_conductivity";
    String units "mS/cm";
  }
  Turb {
    UInt32 _ChunkSizes 499;
    Float64 actual_range 0.94, 1064.87;
    String comments "Nephelometric turbidity units (NTU)";
    String FillValue "nan";
    String height_depth_units "m";
    Float64 initial_instrument_height 0.15;
    String ioos_category "Other";
    String long_name "Turbidity, NTU";
    Float64 maximum 1064.87;
    Float64 minimum 0.94;
    String sensor_serial_number "13H100185";
    String standard_name "sea_water_turbidity";
    String units "1";
  }
  T_28 {
    UInt32 _ChunkSizes 499;
    Float64 actual_range 5.121, 9.898;
    Float64 epic_code 28;
    String FillValue "nan";
    String height_depth_units "m";
    Float64 initial_instrument_height 0.15;
    String ioos_category "Other";
    String long_name "Temperature";
    Float64 maximum 9.898;
    Float64 minimum 5.121;
    String sensor_serial_number "15G105073";
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  Bat_106 {
    UInt32 _ChunkSizes 499;
    Float64 actual_range 5.25, 6.21;
    Float64 epic_code 106;
    String FillValue "nan";
    String height_depth_units "m";
    Float64 initial_instrument_height 0.15;
    String ioos_category "Other";
    String long_name "Battery voltage";
    Float64 maximum 6.21;
    Float64 minimum 5.25;
    String units "V";
  }
  P_1 {
    UInt32 _ChunkSizes 499;
    Float64 actual_range 3.1915844039999994, 7.1016028;
    Float64 epic_code 1;
    String FillValue "nan";
    String height_depth_units "m";
    Float64 initial_instrument_height 0.15;
    String ioos_category "Other";
    String long_name "Uncorrected pressure";
    Float64 maximum 7.1016028;
    Float64 minimum 3.1915844039999994;
    String sensor_serial_number "13H102041";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
  P_1ac {
    UInt32 _ChunkSizes 499;
    Float64 actual_range 3.277217403999999, 7.254602800000001;
    String FillValue "nan";
    String height_depth_units "m";
    Float64 initial_instrument_height 0.15;
    String ioos_category "Other";
    String long_name "Corrected pressure";
    Float64 maximum 7.254602800000001;
    Float64 minimum 3.277217403999999;
    String name "Pac";
    String sensor_serial_number "13H102041";
    String standard_name "sea_water_pressure_due_to_sea_water";
    String units "dbar";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 48.75666, 48.75666;
    String axis "Y";
    Float64 epic_code 500;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -122.52242, -122.52242;
    String axis "X";
    Float64 epic_code 502;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  z {
    Float64 actual_range 0.15, 0.15;
    String axis "Z";
    String ioos_category "Other";
    String long_name "height relative to sea bed";
    String positive "up";
    String standard_name "height";
    String units "m";
  }
  depth_m {
    Float64 actual_range 5.6062739333051725, 5.6062739333051725;
    String ioos_category "Other";
    String long_name "depth below mean sea level";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
 }
  NC_GLOBAL {
    String basefile "bel3_13H102609_111919_120000_utf8";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_url "https://www.usgs.gov";
    Float64 DELTA_T 900;
    String Deployment_date "2019-11-19 22:22";
    String drop_vars 
"Cable_Pwr_V
Wiper_Position_volt
Vertical_Position_m
ODO_%_local
pHmV
pH_159
nLF_Cond_µS_per_cm
OST_62
DO";
    Float64 Easternmost_Easting -122.52242;
    String experiment_name "10.5066-P96EH1MS";
    String featureType "TimeSeries";
    String filename "BEL19B3B03exo";
    Float64 geospatial_lat_max 48.75666;
    Float64 geospatial_lat_min 48.75666;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -122.52242;
    Float64 geospatial_lon_min -122.52242;
    String geospatial_lon_units "degrees_east";
    String history 
"2023-01-23T23:03:20.049199+00:00: Processed using exo.py with stglib .0.6.0+15.g7d57f86.dirty, xarray 2022.3.0, NumPy 1.23.4, netCDF4 1.6.1, Python 3.10.8.
2023-01-23T23:03:23.125375+00:00: Data clipped using Deployment_date of 2019-11-19 22:22 and Recovery_date of 2020-02-05 20:38.

2024-12-12T06:44:35Z (local files)
2024-12-12T06:44:35Z https://cmgds.marine.usgs.gov/tabledap/10_5066_P96EH1MS_BEL19B3B03exo_a_nc.das";
    String infoUrl "https://cmgds.marine.usgs.gov/ocean-time-series/";
    Float64 initial_instrument_height 0.15;
    String INST_TYPE "YSI EXO2 Multiparameter Sonde";
    String institution "Coastal and Marine Hazards and Resources Program, U.S. Geological Survey";
    Float64 latitude 48.75666;
    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.";
    Float64 longitude -122.52242;
    Float64 magnetic_variation 15.95;
    String MOORING "BEL19B3B";
    String NCProperties "version=2,netcdf=4.8.1,hdf5=1.12.2";
    Float64 nominal_instrument_depth 6.25;
    Float64 Northernmost_Northing 48.75666;
    String publisher_url "https://www.usgs.gov";
    String Recovery_date "2020-02-05 20:38";
    String serial_number "13H102609";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 48.75666;
    String start_time "2019-11-19T22:30:00.000000000";
    String stop_time "2020-02-05T20:30:00.000000000";
    String subsetVariables "station_id";
    String summary "10.5066-P96EH1MS - BEL19B3B03exo-a";
    String time_coverage_end "2020-02-05T20:30:00Z";
    String time_coverage_start "2019-11-19T22:30:00Z";
    String title "10.5066-P96EH1MS - BEL19B3B03exo-a";
    Float64 WATER_DEPTH 6.4;
    Float64 Westernmost_Easting -122.52242;
  }
}

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.