BCO-DMO ERDDAP
Accessing BCO-DMO data

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Dataset Title:	[SOAPI CTD profiles] - CTD profile data from the R/V Hugh R. Sharp cruises HRS2213, HRS2215 and HRS2407 in the Northwestern Atlantic Ocean in 2022 and 2024 (Collaborative Research: Impacts of surface ocean surfactant sources and transformations on their chemical composition and air-sea relevant properties)
Institution:	BCO-DMO (Dataset ID: bcodmo_dataset_997528_v1)
Range:	longitude = -74.7529 to -67.21579°E, latitude = 35.97299 to 38.7386°N, depth = 0.992 to 153.785m, time = 2022-08-30T19:23:58Z to 2024-08-19T05:33:47Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| 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 {
  source_file {
    String long_name "Source_file";
    String units "unitless";
  }
  cruise {
    String long_name "Cruise";
    String units "Unitless";
  }
  cruise_number {
    String long_name "Cruise_number";
    String units "Unitless";
  }
  station {
    Int32 actual_range 1, 4;
    String long_name "Station";
    String units "Unitless";
  }
  station_id {
    String long_name "Station_id";
    String units "Unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.661887438e+9, 1.724045627e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Iso_datetime_utc";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  scan {
    Int32 actual_range -579, 13292;
    String long_name "Scan";
    String units "Unitless";
  }
  timeS {
    Float32 actual_range -24.163, 553.784;
    String long_name "Times";
    String units "seconds (S)";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 0.992, 153.785;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depsm";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  prDM {
    Int32 actual_range 1, 155;
    String long_name "Prdm";
    String units "decibar (db)";
  }
  t090C {
    Float32 actual_range 11.4777, 29.2016;
    String long_name "T090c";
    String units "degrees Celsius (C)";
  }
  t190C {
    Float32 actual_range 11.4772, 29.2016;
    String long_name "T190c";
    String units "degrees Celsius (C)";
  }
  c0S_m {
    Float32 actual_range 3.36337, 5.956066;
    String long_name "C0s_m";
    String units "Siemens per meter (S/m)";
  }
  c1S_m {
    Float32 actual_range 3.67831, 5.947262;
    String long_name "C1s_m";
    String units "Siemens per meter (S/m)";
  }
  sal00 {
    Float32 actual_range 10.7437, 39.8948;
    String long_name "Sal00";
    String units "Practical Salinity Units (PSU)";
  }
  sal11 {
    Float32 actual_range 15.5043, 38.5491;
    String long_name "Sal11";
    String units "Practical Salinity Units (PSU)";
  }
  timeQ {
    Int32 actual_range 653793105, 777360825;
    String long_name "Timeq";
    String units "seconds";
  }
  timeY {
    Int32 actual_range 1661887438, 1724045627;
    String long_name "Timey";
    String units "seconds";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 35.97299, 38.7386;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -74.7529, -67.21579;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  svCM {
    Float32 actual_range 803.61, 1559.55;
    String long_name "Svcm";
    String units "m/s";
  }
  flECO_AFL {
    Float32 actual_range -0.0694, 2.9058;
    String long_name "Fleco_afl";
    String units "milligrams/meter^3 [mg/m^3]";
  }
  sbeox0ML_L {
    Float32 actual_range 1.4278, 6.462;
    String long_name "Sbeox0ml_l";
    String units "milliliters per liter (ml/l)";
  }
  sbox0Mm_Kg {
    Float32 actual_range 61.637, 281.253;
    String long_name "Sbox0mm_kg";
    String units "micromole per kilogram [umol/kg]";
  }
  sbeox0Mg_L {
    Float32 actual_range 2.0405, 9.2349;
    String long_name "Sbeox0mg_l";
    String units "miligram per liter (mg/l)";
  }
  sigma_e00 {
    Float32 actual_range 15.1175, 27.0446;
    String long_name "Sigma_e00";
    String units "kilogram per meter cubed [kg/m^3]";
  }
  sigma_e11 {
    Float32 actual_range 16.1987, 27.0235;
    String long_name "Sigma_e11";
    String units "kilogram per meter cubed [kg/m^3]";
  }
  potemp090C {
    Float32 actual_range 11.4588, 29.2006;
    String long_name "Potemp090c";
    String units "degrees Celsius";
  }
  potemp190C {
    Float32 actual_range 11.4583, 29.2006;
    String long_name "Potemp190c";
    String units "degrees Celsius";
  }
  svCM_1 {
    Float32 actual_range 1494.84, 1545.78;
    String long_name "Svcm_1";
    String units "meter per second (m/s)";
  }
  sal00_1 {
    Float32 actual_range 22.8917, 36.9753;
    String long_name "Sal00_1";
    String units "Practical Salinity Units (PSU)";
  }
  sal11_1 {
    Float32 actual_range 26.1362, 36.9777;
    String long_name "Sal11_1";
    String units "Practical Salinity Units (PSU)";
  }
  flag {
    Int32 actual_range 0, 0;
    String long_name "Flag";
    String units "Unitless";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "info@bco-dmo.org";
    String creator_name "BCO-DMO";
    String creator_url "https://www.bco-dmo.org/";
    String defaultDataQuery "&amp;time&lt;now";
    String doi "10.26008/1912/bco-dmo.997528.1";
    Float64 Easternmost_Easting -67.21579;
    Float64 geospatial_lat_max 38.7386;
    Float64 geospatial_lat_min 35.97299;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -67.21579;
    Float64 geospatial_lon_min -74.7529;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 153.785;
    Float64 geospatial_vertical_min 0.992;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2026-05-15T21:35:44Z (local files)
2026-05-15T21:35:44Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_997528_v1.das";
    String infoUrl "https://osprey.bco-dmo.org/dataset/997528";
    String institution "BCO-DMO";
    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 38.7386;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 35.97299;
    String summary "Processed CTD profile measurements collected from four hydrographic regions  in the Northwestern Atlantic Ocean using various sensors during the R/V Hugh R. Sharp cruises HRS2213, HRS2215 and HRS2407  in summer and fall of 2022, and summer of 2024. These data were generated as part of the Surfactants at the Ocean-Atmosphere Physical Interface (SOAPI) project to investigate the the composition, structure, and interfacial properties of surfactant organics at the sea surface. Data were collected by Dr. Andrew Wozniak (University of Delaware).";
    String time_coverage_end "2024-08-19T05:33:47Z";
    String time_coverage_start "2022-08-30T19:23:58Z";
    String title "[SOAPI CTD profiles] - CTD profile data from the R/V Hugh R. Sharp cruises HRS2213, HRS2215 and HRS2407 in the Northwestern Atlantic Ocean in 2022 and 2024 (Collaborative Research: Impacts of surface ocean surfactant sources and transformations on their chemical composition and air-sea relevant properties)";
    Float64 Westernmost_Easting -74.7529;
  }
}

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.

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