ERDDAP > tabledap > Make A Graph

Dataset Title:	Environmental Monitors on Lobster Traps
Institution:	NOAA Northeast Fisheries Science Center   (Dataset ID: nefsc_emolt_data_local)
Range:	longitude = -73.05 to -60.21°E, latitude = 39.55 to 46.36°N, depth = -3.7 to 405.3m, time = 1880-01-16T06:23:00Z to 2019-05-28T12:22:00Z
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Data Access Form

 

Graph Type:  lines linesAndMarkers markers X Axis:  depth latitude longitude temperature time Y Axis:  depth latitude longitude temperature time Color:  depth latitude longitude temperature time   Constraints Optional Constraint #1 Optional Constraint #2 depth latitude longitude temperature time     != =~ <= >= = < >     != =~ <= >= = < > depth latitude longitude temperature time     != =~ <= >= = < >     != =~ <= >= = < > depth latitude longitude temperature time     != =~ <= >= = < >     != =~ <= >= = < > depth latitude longitude temperature time     != =~ <= >= = < >     != =~ <= >= = < > depth latitude longitude temperature time     != =~ <= >= = < >     != =~ <= >= = < >   Server-side Functions  distinct() orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" depth latitude longitude temperature time depth latitude longitude temperature time depth latitude longitude temperature time depth latitude longitude temperature time ")   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";
    Float32 actual_range -3.7, 405.3;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 39.55, 46.36;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -73.05, -60.21;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  temperature {
    Float32 actual_range -25.8, 27.2;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Temperature";
    String long_name "Sea Water Temperature";
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range -2.83882182e+9, 1.55904612e+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";
  }
 }
  NC_GLOBAL {
    String acknowledgment "NOAA Northeast Consortium and Northeast Cooperative Research";
    String cdm_data_type "Point";
    String contributor_name "James Manning";
    String contributor_role "manager";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "james.manning@noaa.gov";
    String creator_name "NOAA NEFSC Oceanography";
    String creator_url "https://www.noaa.gov/";
    String date_created "2003-01-01";
    Float64 Easternmost_Easting -60.21;
    String featureType "Point";
    Float64 geospatial_lat_max 46.36;
    Float64 geospatial_lat_min 39.55;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -60.21;
    Float64 geospatial_lon_min -73.05;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 405.3;
    Float64 geospatial_vertical_min -3.7;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"Thu Jul 18 13:20:10 2019: ncks -O https://comet.nefsc.noaa.gov/erddap/tabledap/eMOLT nefsc_emolt_data.nc
2013-01-01- reformatted from OPeNDAP to ERDDAP and  converted to metric variables
2019-07-18T17:19:54Z (source database)
2019-07-18T17:19:54Z https://comet.nefsc.noaa.gov/erddap/tabledap/eMOLT.das
2024-04-18T08:49:14Z https://comet.nefsc.noaa.gov/erddap/
2024-04-18T08:49:14Z https://tds.marine.rutgers.edu/tabledap/nefsc_emolt_data_local.das";
    String infoUrl "http://emolt.org";
    String institution "NOAA Northeast Fisheries Science Center";
    String keywords "bottom, center, collected, data, depth, Earth Science > Oceans > Ocean Temperature > Water Temperature, fisheries, latitude, longitude, noaa, northeast, obs, observations, ocean, oceans, s\\\\.depth, s\\\\.latitude, s\\\\.longitude, s\\\\.min, s\\\\.temperature, s\\\\.time, science, sea, sea_water_temperature, seawater, shelf, temperature, temperatures, time, US, water";
    String keywords_vocabulary "GCMD Science Keywords";
    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 NCO "netCDF Operators version 4.7.5 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)";
    Float64 Northernmost_Northing 46.36;
    String processing_level "3";
    String sourceUrl "https://comet.nefsc.noaa.gov/erddap/";
    Float64 Southernmost_Northing 39.55;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary 
"This is a collection of hourly bottom temperatures
  (~0.2 degC accuracy) from lobster traps at dozens of
  fixed locations off the Northeast US beginning in 2001.";
    String time_coverage_end "2019-05-28T12:22:00Z";
    String time_coverage_start "1880-01-16T06:23:00Z";
    String title "Environmental Monitors on Lobster Traps";
    Float64 Westernmost_Easting -73.05;
  }
}

 

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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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