ERDDAP > tabledap > Make A Graph

Dataset Title:	NEFSC Hydrographic Monitoring Program Profile Data
Institution:	NOAA/NMFS/NEFSC   (Dataset ID: ocdbs_v_erddap1)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Data Access Form

 

Graph Type:  lines linesAndMarkers markers sticks vectors X Axis:  UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number purpose_code bottom_depth Y Axis:  UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number purpose_code bottom_depth Color:  UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number purpose_code bottom_depth   Constraints Optional Constraint #1 Optional Constraint #2 UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE     != =~ <= >= = < >     != =~ <= >= = < > UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE     != =~ <= >= = < >     != =~ <= >= = < > UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE     != =~ <= >= = < >     != =~ <= >= = < > UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE     != =~ <= >= = < >     != =~ <= >= = < > UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE     != =~ <= >= = < >     != =~ <= >= = < >   Server-side Functions  distinct() orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE UTC_DATETIME latitude longitude depth pressure_dbars sea_water_temperature sea_water_salinity dissolved_oxygen fluorescence par_sensor cast_number cruise_id purpose_code bottom_depth GEAR_TYPE ")   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:

 

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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 {
  UTC_DATETIME {
    String ioos_category "Time";
    String long_name "UTC Date";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    String axis "Y";
    String ioos_category "Location";
    String long_name "Degrees Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    String axis "X";
    String ioos_category "Location";
    String long_name "Degrees Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  pressure_dbars {
    String ioos_category "Location";
    String long_name "Sea Water Pressure";
    String standard_name "sea_water_pressure";
    String units "decibars";
  }
  sea_water_temperature {
    String ioos_category "Temperature";
    String long_name "Sea Water Temperature";
    String standard_name "sea_water_temperature";
    String units "degrees_C";
  }
  sea_water_salinity {
    String ioos_category "Salinity";
    String long_name "Sea Water Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSS-78";
  }
  dissolved_oxygen {
    String ioos_category "Dissolved O2";
    String long_name "Dissolved Oxygen";
    String standard_name "mass_concentration_of_oxygen_in_seawater";
    String units "mg L-1";
  }
  fluorescence {
    String ioos_category "Biology";
    String long_name "In Vivo Chlorophyll Fluorescence";
    String standard_name "mass_concentration_of_chlorophyll_a_in_sea_water";
    String units "micro g L-1";
  }
  par_sensor {
    String ioos_category "Optical Properties";
    String long_name "Photosynthetically Active Radiation (PAR)";
    String standard_name "downwelling_photosynthetic_photon_spherical_irradiance_in_sea_water";
    String units "micro mol m-2 s-1";
  }
  cast_number {
    String ioos_category "Identifier";
    String long_name "Cruise Specific Vertical Profile Number";
  }
  cruise_id {
    String ioos_category "Identifier";
    String long_name "Cruise Identifier";
  }
  purpose_code {
    String ioos_category "Identifier";
    String long_name "Cruise Purpose Code";
  }
  bottom_depth {
    String ioos_category "Bathymetry";
    String long_name "Sea Floor Depth";
    String standard_name "sea_floor_depth_below_surface";
    String units "meters";
  }
  GEAR_TYPE {
    String ioos_category "Identifier";
    String long_name "Instrument Type";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "nefsc.erddap@noaa.gov";
    String creator_name "NOAA NEFSC";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2024-04-27T13:38:26Z (source database)
2024-04-27T13:38:26Z http://comet.nefsc.noaa.gov/tabledap/ocdbs_v_erddap1.das";
    String infoUrl "https://www.fisheries.noaa.gov/new-england-mid-atlantic/ecosystems/monitoring-ecosystem-northeast";
    String institution "NOAA/NMFS/NEFSC";
    String keywords "CTD, data, EcoMon, hydrographic, MARMAP, ocdbs, profile, salinity, temperature";
    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 sourceUrl "(source database)";
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "This is a collection of profiles on the NE Continental Shelf with temperature, salinity, and other variables at multiple depths.";
    String title "NEFSC Hydrographic Monitoring Program Profile Data";
  }
}

 

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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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