ERDDAP > tabledap > Make A Graph

Dataset Title:	Saildrone SD1021 ADCP
Institution:	NOAA/PMEL   (Dataset ID: sd1021_adcp_arctic_2018)
Range:	longitude = -169.1138 to -158.38324°E, latitude = 53.844406 to 72.99612°N, depth = 6.0 to 104.0m, time = 2018-06-30T19:59:58Z to 2018-10-06T23:29:58Z
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Data Access Form

 

Graph Type:  lines linesAndMarkers markers sticks vectors X Axis:  depth time U V longitude latitude Y Axis:  depth time U V longitude latitude Color:  depth time U V longitude latitude   Constraints Optional Constraint #1 Optional Constraint #2 depth time U V longitude latitude     != =~ <= >= = < >     != =~ <= >= = < > depth time U V longitude latitude     != =~ <= >= = < >     != =~ <= >= = < > depth time U V longitude latitude     != =~ <= >= = < >     != =~ <= >= = < > depth time U V longitude latitude     != =~ <= >= = < >     != =~ <= >= = < > depth time U V longitude latitude     != =~ <= >= = < >     != =~ <= >= = < >   Server-side Functions  distinct() orderBy orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" depth time U V longitude latitude depth time U V longitude latitude depth time U V longitude latitude depth time U V longitude latitude ")   Graph Settings Marker Type:  None Plus X Dot Square Filled Square Circle Filled Circle Up Triangle Filled Up Triangle Borderless Filled Square Borderless Filled Circle Borderless 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 Rainfall ReverseRainbow RedWhiteBlue RedWhiteBlue2 RedWideWhiteBlue Spectrum Topography TopographyDepth WhiteBlueBlack WhiteGreenBlack WhiteRedBlack WhiteBlack YellowRed KT_algae KT_amp KT_balance KT_curl KT_deep KT_delta KT_dense KT_gray KT_haline KT_ice KT_matter KT_oxy KT_phase KT_solar KT_speed KT_tempo KT_thermal KT_turbid  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 outline off Y Axis Minimum:   Maximum:    Ascending Descending Linear Log   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 .dataTable .das .dds .dods .esriCsv .fgdc .geoJson .graph .help .html .htmlTable .iso19115 .itx .json .jsonlCSV1 .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 {
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 6.0, 104.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "depth of each measurement";
    String point_spacing "even";
    String positive "down";
    String source_name "DEPTH_ADCP";
    String standard_name "depth";
    String units "m";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.530388798e+9, 1.538868598e+9;
    String axis "T";
    String calendar "GREGORIAN";
    String ioos_category "Time";
    String long_name "Time";
    String point_spacing "even";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  U {
    Float64 _FillValue -1.0e+34;
    Float64 actual_range -84.900286421769, 104.609306762946;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String history "From sd1021adcp";
    String long_name "uadcp";
    Float64 missing_value -1.0e+34;
    String standard_name "eastward_sea_water_velocity";
    String units "cm s-1";
  }
  V {
    Float64 _FillValue -1.0e+34;
    Float64 actual_range -156.793553049975, 121.400001525879;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String history "From sd1021adcp";
    String long_name "vadcp";
    Float64 missing_value -1.0e+34;
    String standard_name "northward_sea_water_velocity";
    String units "cm s-1";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue -1.0e+34;
    Float64 actual_range -169.113803204734, -158.383245380436;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String history "From sd1021adcp";
    String ioos_category "Location";
    String long_name "Longitude";
    Float64 missing_value -1.0e+34;
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue -1.0e+34;
    Float64 actual_range 53.8444061111659, 72.9961165656452;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String history "From sd1021adcp";
    String ioos_category "Location";
    String long_name "Latitude";
    Float64 missing_value -1.0e+34;
    String standard_name "latitude";
    String units "degrees_north";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String drone_id "1021";
    Float64 Easternmost_Easting -158.383245380436;
    String featureType "Point";
    Float64 geospatial_lat_max 72.9961165656452;
    Float64 geospatial_lat_min 53.8444061111659;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -158.383245380436;
    Float64 geospatial_lon_min -169.113803204734;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 104.0;
    Float64 geospatial_vertical_min 6.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"Saildrone
2024-05-02T22:08:02Z (local files)
2024-05-02T22:08:02Z https://data.pmel.noaa.gov/pmel/tabledap/sd1021_adcp_arctic_2018.das";
    String infoUrl "www.pmel.noaa.gov";
    String institution "NOAA/PMEL";
    String keywords "acoustic, adcp, circulation, current, currents, data, depth, doppler, earth, Earth Science > Oceans > Ocean Circulation > Ocean Currents, eastward, eastward_sea_water_velocity, environmental, laboratory, latitude, longitude, marine, noaa, northward, northward_sea_water_velocity, ocean, oceans, pacific, pmel, profiler, saildrone, science, sd1021, sea, seawater, time, uadcp, vadcp, velocity, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"Data Licenses / Data Usage Restrictions
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.

Unless otherwise noted, data served through this ERDDAP server are 
not quality controlled.  Users may need to do quality control when using 
these data. These data are made available at the users own risk.";
    Float64 Northernmost_Northing 72.9961165656452;
    String platform "Saildrone";
    String principal_investigator "Dr. Jessica Cross; Dr. Dongxiao Zhang";
    String principal_investigator_email "jessica.cross@noaa.gov; dongxiao.zhang@noaa.gov";
    String principal_investigator_institution "NOAA PMEL and CICOES/University of Washington";
    String project "arctic_2018";
    String QC_indicator "Level 1";
    String qc_manual "QC Performed: motion corrected";
    String source "Saildrone";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 53.8444061111659;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Acoustic Doppler Current Profiler (ADCP) currents measured by SD1021 during the Pacific Marine Environmental Laboratory (PMEL) Arctic 2018 Saildrone Mission";
    String time_coverage_end "2018-10-06T23:29:58Z";
    String time_coverage_start "2018-06-30T19:59:58Z";
    String title "Saildrone SD1021 ADCP";
    Float64 Westernmost_Easting -169.113803204734;
  }
}

 

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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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