Data Access Form

Dataset Title:	Tiree Passage mooring
Institution:	SAMS (Dataset ID: Tiree_2ff1_e118_a106)
Information:	Summary \| License \| Metadata \| Background \| Make a graph

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Variable	Minimum	Maximum
time2 (Time)	1029780001	1398420000
scan_number	1	67318
temperature	6.37	15.4
salinity (PSU)	32.81	35.43
pressure	0.88	44.3

Server-side Functions

distinct()

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time2 {
    Int32 actual_range 1029780001, 1398420000;
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
  }
  scan_number {
    Int32 actual_range 1, 67318;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Scan Number";
  }
  temperature {
    Float32 actual_range 6.37, 15.4;
    String ioos_category "Temperature";
    String long_name "Temperature";
  }
  salinity {
    Float32 actual_range 32.81, 35.43;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Sea Water Practical Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  pressure {
    Float32 actual_range 0.88, 44.3;
    String ioos_category "Pressure";
    String long_name "Pressure";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "SAMS";
    String creator_type "institution";
    String creator_url "https://www.sams.ac.uk/people/researchers/dale-dr-andrew";
    String history 
"2024-12-22T21:37:40Z (local files)
2024-12-22T21:37:40Z https://erddap.sams.ac.uk/erddap/tabledap/Tiree_2ff1_e118_a106.html";
    String infoUrl "https://www.sams.ac.uk/people/researchers/dale-dr-andrew";
    String institution "SAMS";
    String keywords "data, density, earth, Earth Science > Oceans > Salinity/Density > Salinity, mooring, number, ocean, oceans, passage, practical, pressure, salinity, sams, scan, scan_number, science, sea, sea_water_practical_salinity, seawater, statistics, temperature, time, time2, tiree, 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 sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "Data from mid-depth at the Tiree Passage mooring between 2002 and the end of the dataset (2014).";
    String title "Tiree Passage mooring";
  }
}

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.