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Dataset Title:  Hourly aggregations of Galway Bay Observatory CTD data   RSS
Institution:  Marine Institute   (Dataset ID: spiddal_obs_ctd_hourly)
Range: longitude = -9.26629 to -9.266286°E, latitude = 53.22733 to 53.227333°N, depth = 20.0 to 20.0m
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
Graph Type:  ?
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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:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  instrument_id {
    String ioos_category "Identifier";
    String long_name "Instrument Id";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 53.227329999979624, 53.227333000015776;
    String axis "Y";
    String colorBarMaximum "90.0";
    String colorBarMinimum "-90.0";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -9.266290000000025, -9.2662859999984;
    String axis "X";
    String colorBarMaximum "180.0";
    String colorBarMinimum "-180.0";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 20.0, 20.0;
    String axis "Z";
    String colorBarMaximum "8000.0";
    String colorBarMinimum "0.0";
    String colorBarPalette "OceanDepth";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  time {
    String _CoordinateAxisType "Time";
    String axis "T";
    String calendar "proleptic_gregorian";
    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";
  }
  mean_cond {
    Float64 actual_range 0.291598014888337, 44.93235535976485;
    String ioos_category "Unknown";
    String long_name "mean Cond";
  }
  stdev_cond {
    Float64 actual_range 0.0011418458013271512, 262.502502871443;
    String ioos_category "Unknown";
    String long_name "stdev Cond";
  }
  minimum_cond {
    Float64 actual_range 0.0, 44.919;
    String ioos_category "Unknown";
    String long_name "minimum Cond";
  }
  minimum_cond_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "minimum_cond_time";
    String standard_name "minimum_cond_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  maximum_cond {
    Float64 actual_range 0.335, 13882.916;
    String ioos_category "Unknown";
    String long_name "maximum Cond";
  }
  maximum_cond_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "maximum_cond_time";
    String standard_name "maximum_cond_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  mean_dissolved_oxygen_ppm {
    Float64 actual_range 0.17404944084755683, 66.21761363636345;
    String ioos_category "Unknown";
    String long_name "mean Dissolved_Oyxgen_PPM";
  }
  stdev_dissolved_oxygen_ppm {
    Float64 actual_range 0.0, 16.136784936239053;
    String ioos_category "Unknown";
    String long_name "stdev Dissolved_Oyxgen_PPM";
  }
  minimum_dissolved_oxygen_ppm {
    Float64 actual_range 0.0, 65.3;
    String ioos_category "Unknown";
    String long_name "minimum Dissolved_Oyxgen_PPM";
  }
  minimum_dissolved_oxygen_ppm_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "minimum_dissolved_oxygen_ppm_time";
    String standard_name "minimum_dissolved_oxygen_ppm_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  maximum_dissolved_oxygen_ppm {
    Float64 actual_range 0.22, 82.2;
    String ioos_category "Unknown";
    String long_name "maximum Dissolved_Oyxgen_PPM";
  }
  maximum_dissolved_oxygen_ppm_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "maximum_dissolved_oxygen_ppm_time";
    String standard_name "maximum_dissolved_oxygen_ppm_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  mean_dissolved_oxygen_sat {
    Float64 actual_range 2.0580341377280695, 315.26470588235304;
    String ioos_category "Unknown";
    String long_name "mean Dissolved_Oyxgen_Sat";
  }
  stdev_dissolved_oxygen_sat {
    Float64 actual_range 0.0, 189.78391799468093;
    String ioos_category "Unknown";
    String long_name "stdev Dissolved_Oyxgen_Sat";
  }
  minimum_dissolved_oxygen_sat {
    Float64 actual_range 0.1, 267.5;
    String ioos_category "Unknown";
    String long_name "minimum Dissolved_Oyxgen_Sat";
  }
  minimum_dissolved_oxygen_sat_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "minimum_dissolved_oxygen_sat_time";
    String standard_name "minimum_dissolved_oxygen_sat_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  maximum_dissolved_oxygen_sat {
    Float64 actual_range 2.6, 507.8;
    String ioos_category "Unknown";
    String long_name "maximum Dissolved_Oyxgen_Sat";
  }
  maximum_dissolved_oxygen_sat_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "maximum_dissolved_oxygen_sat_time";
    String standard_name "maximum_dissolved_oxygen_sat_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  mean_press {
    Float64 actual_range -2.9258816803756966, 29.82448692718586;
    String ioos_category "Unknown";
    String long_name "mean Press";
  }
  stdev_press {
    Float64 actual_range 0.015729934203280626, 10.052544914675202;
    String ioos_category "Unknown";
    String long_name "stdev Press";
  }
  minimum_press {
    Float64 actual_range -3.44, 29.6;
    String ioos_category "Unknown";
    String long_name "minimum Press";
  }
  minimum_press_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "minimum_press_time";
    String standard_name "minimum_press_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  maximum_press {
    Float64 actual_range 1.28, 175.95;
    String ioos_category "Unknown";
    String long_name "maximum Press";
  }
  maximum_press_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "maximum_press_time";
    String standard_name "maximum_press_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  mean_sal {
    Float64 actual_range -32.78961343829087, 2013.6170462222221;
    String ioos_category "Unknown";
    String long_name "mean Sal";
  }
  stdev_sal {
    Float64 actual_range 2.9536708479814284e-4, 102938.78020256414;
    String ioos_category "Unknown";
    String long_name "stdev Sal";
  }
  minimum_sal {
    Float64 actual_range -533618.032, 76.236;
    String ioos_category "Unknown";
    String long_name "minimum Sal";
  }
  minimum_sal_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "minimum_sal_time";
    String standard_name "minimum_sal_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  maximum_sal {
    Float64 actual_range 0.195, 5944338.0;
    String ioos_category "Unknown";
    String long_name "maximum Sal";
  }
  maximum_sal_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "maximum_sal_time";
    String standard_name "maximum_sal_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  mean_soundv {
    Float64 actual_range 1335.5872690903705, 1.7996830980668563e+7;
    String ioos_category "Unknown";
    String long_name "mean Soundv";
  }
  stdev_soundv {
    Float64 actual_range 0.0021997609060939263, 1.0330253731156378e+9;
    String ioos_category "Unknown";
    String long_name "stdev Soundv";
  }
  minimum_soundv {
    Float64 actual_range -5677.1504, 8284.0136;
    String ioos_category "Unknown";
    String long_name "minimum Soundv";
  }
  minimum_soundv_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "minimum_soundv_time";
    String standard_name "minimum_soundv_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  maximum_soundv {
    Float64 actual_range 1434.1355, 6.00093312e+10;
    String ioos_category "Unknown";
    String long_name "maximum Soundv";
  }
  maximum_soundv_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "maximum_soundv_time";
    String standard_name "maximum_soundv_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  mean_temp {
    Float64 actual_range -16.676343451377186, 403.9939999999702;
    String ioos_category "Temperature";
    String long_name "mean Temperature";
  }
  stdev_temp {
    Float64 actual_range 0.0, 162.93541036340784;
    String ioos_category "Temperature";
    String long_name "stdev Temperature";
  }
  minimum_temp {
    Float64 actual_range -180.359, 403.994;
    String ioos_category "Temperature";
    String long_name "minimum Temperature";
  }
  minimum_temp_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "minimum_temp_time";
    String standard_name "minimum_temp_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  maximum_temp {
    Float64 actual_range -14.577, 403.994;
    String ioos_category "Temperature";
    String long_name "maximum Temperature";
  }
  maximum_temp_time {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "maximum_temp_time";
    String standard_name "maximum_temp_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=1|netcdflibversion=4.4.1|hdf5libversion=1.8.18";
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Marine Institute";
    String creator_url "http://spiddal.marine.ie/gallery/";
    String defaultDataQuery "&time>=now-30minutes";
    String defaultGraphQuery "longitude,latitude,temp&time>=now-30minutes&.marker=5|5";
    Float64 Easternmost_Easting -9.2662859999984;
    String featureType "Point";
    Float64 geospatial_lat_max 53.227333000015776;
    Float64 geospatial_lat_min 53.227329999979624;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -9.2662859999984;
    Float64 geospatial_lon_min -9.266290000000025;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 20.0;
    Float64 geospatial_vertical_min 20.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2024-10-12T06:06:32Z (Cassandra)
2024-10-12T06:06:32Z https://erddap3.marine.ie/tabledap/spiddal_obs_ctd_hourly.das";
    String infoUrl "http://spiddal.marine.ie/gallery/";
    String institution "Marine Institute";
    String keywords "altimetry, cond, conductivity, ctd, data, depth, identifier, institute, instrument, instrument_id, laboratory, latitude, local, longitude, marine, observatory, press, sal, satellite, sonde, soundv, source, temperature, time, ttime";
    String license "Creative Commons Attribution 4.0 (https://creativecommons.org/licenses/by/4.0/)";
    Float64 Northernmost_Northing 53.227333000015776;
    String sourceUrl "(Cassandra)";
    Float64 Southernmost_Northing 53.227329999979624;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String subsetVariables "instrument_id";
    String summary "Spiddal, Galway Bay Observatory Conductivity, Temperature, Depth (CTD) data. Marine Institute data from a local source.";
    String title "Hourly aggregations of Galway Bay Observatory CTD data";
    Float64 Westernmost_Easting -9.266290000000025;
  }
}

 

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.

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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