ERDDAP > tabledap > Make A Graph

Dataset Title:	AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC
Institution:	USGS National Water Information System NWIS   (Dataset ID: gov_usgs_waterdata_02110777)
Range:	longitude = -78.655846 to -78.655846°E, latitude = 33.851562 to 33.851562°N, depth = 0.0 to 0.0m, time = 2015-05-05T12:15:00Z to 2018-04-23T09:15:00Z
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Data Access Form

 

Graph Type:  lines linesAndMarkers markers sticks vectors X Axis:  time latitude longitude sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth Y Axis:  time latitude longitude sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth Color:  time latitude longitude sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth   Constraints Optional Constraint #1 Optional Constraint #2 time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth     != =~ <= >= = < >     != =~ <= >= = < > time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth     != =~ <= >= = < >     != =~ <= >= = < > time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth     != =~ <= >= = < >     != =~ <= >= = < > time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth     != =~ <= >= = < >     != =~ <= >= = < > time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth     != =~ <= >= = < >     != =~ <= >= = < >   Server-side Functions  distinct() orderBy orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax (" time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth time latitude longitude station sea_water_temperature sea_water_electrical_conductivity mass_concentration_of_oxygen_in_sea_water height depth ")   Graph Settings Marker Type:  None Plus X Dot Square Filled Square Circle Filled Circle Up Triangle Filled Up Triangle  Size:  3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Color:  Color Bar:  BlackBlueWhite BlackGreenWhite BlackRedWhite BlackWhite BlueWhiteRed BlueWideWhiteRed LightRainbow Ocean OceanDepth Rainbow Rainbow2 ReverseRainbow RedWhiteBlue RedWideWhiteBlue Spectrum Topography TopographyDepth WhiteBlueBlack WhiteGreenBlack WhiteRedBlack WhiteBlack  Continuity:  Continuous Discrete  Scale:  Linear Log    Minimum:   Maximum:   N Sections:  2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Draw land mask:  under over Y Axis Minimum:   Maximum:   Ascending:  ascending descending   Redraw the Graph (Please be patient. It may take a while to get the data.)   Optional: Then set the File Type: .asc .csv .csvp .csv0 .das .dds .dods .esriCsv .fgdc .geoJson .graph .help .html .htmlTable .iso19115 .itx .json .jsonlCSV .jsonlKVP .mat .nc .ncHeader .ncCF .ncCFHeader .ncCFMA .ncCFMAHeader .nccsv .nccsvMetadata .ncoJson .odvTxt .subset .tsv .tsvp .tsv0 .wav .xhtml .kml .smallPdf .pdf .largePdf .smallPng .png .largePng .transparentPng (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: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 second(s) minute(s) hour(s) day(s) month(s) year(s)

 

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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.
   

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4308281e+9, 1.5244749e+9;
    String axis "T";
    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 actual_range 33.8515612, 33.8515612;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -78.6558483, -78.6558483;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  station {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
  }
  sea_water_temperature {
    Float64 _FillValue -9999.99;
    String ioos_category "Other";
    String long_name "Water Temperature";
    Float64 missing_value -9999.99;
    String standard_name "sea_water_temperature";
    String units "degree_Fahrenheit";
    String urn "http://mmisw.org/ont/cf/parameter/sea_water_temperature";
  }
  sea_water_electrical_conductivity {
    Float64 _FillValue -9999.99;
    String ioos_category "Other";
    String long_name "Conductivity";
    Float64 missing_value -9999.99;
    String standard_name "sea_water_electrical_conductivity";
    String units "mS.cm-1";
    String urn "http://mmisw.org/ont/cf/parameter/sea_water_electrical_conductivity";
  }
  mass_concentration_of_oxygen_in_sea_water {
    Float64 _FillValue -9999.99;
    String ioos_category "Other";
    String long_name "Oxygen Concentration";
    Float64 missing_value -9999.99;
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
    String units "mg.L-1";
    String urn "http://mmisw.org/ont/cf/parameter/mass_concentration_of_oxygen_in_sea_water";
  }
  height {
    Float64 _FillValue -9999.99;
    String ioos_category "Other";
    String long_name "Stream Height";
    Float64 missing_value -9999.99;
    String standard_name "height";
    String units "ft";
    String urn "http://mmisw.org/ont/cf/parameter/height";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 0.0, 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 cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "sea_water_temperature,sea_water_electrical_conductivity,mass_concentration_of_oxygen_in_sea_water,height";
    String Conventions "COARDS, CF-1.6, ACDD-1.3, NCCSV-1.0";
    Float64 Easternmost_Easting -78.6558483;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 33.8515612;
    Float64 geospatial_lat_min 33.8515612;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -78.6558483;
    Float64 geospatial_lon_min -78.6558483;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2018-04-23T11:31:24Z http://sensors.axds.co/stationsensorservice/
2018-04-23T11:31:24Z http://erddap.secoora.org/tabledap/gov_usgs_waterdata_02110777.das";
    String infoUrl "http://axiomdatascience.com";
    String institution "USGS National Water Information System NWIS";
    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 Northernmost_Northing 33.8515612;
    String sourceUrl "http://sensors.axds.co/stationsensorservice/";
    Float64 Southernmost_Northing 33.8515612;
    String summary "Timeseries data from 'AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC' (urn:ioos:station:gov.usgs.waterdata:02110777)";
    String time_coverage_end "2018-04-23T09:15:00Z";
    String time_coverage_start "2015-05-05T12:15:00Z";
    String title "AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC";
    Float64 Westernmost_Easting -78.6558483;
  }
}

 

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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 Data Access Protocol (DAP) and its selection constraints.

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.

 

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