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Dataset Title:  XEOS H1 Buoy Wave Sensor Subscribe RSS
Institution:  XEOS   (Dataset ID: SmartAtlantic_XEOS_h1_buoy)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 station_name ?          "smb_h1_data"    "smb_h1_data"
 time (Timestamp, UTC) ?          2022-10-26T18:20:00Z    2024-11-11T15:18:00Z
  < slider >
 latitude (degrees_north) ?          44.4933    44.4933
  < slider >
 longitude (degrees_east) ?          -63.5094    -63.5094
  < slider >
 precise_lat (Precise Latitude, degrees_north) ?          44.4933    44.4933
 precise_lon (Precise Longitude, degrees_east) ?          -63.5094    -63.5094
 battery_level (Battery Voltage, V) ?          12.3    14.8
 temperature (degree_C) ?          -18    35
 wave_ht_sig (m) ?          0.0    7.74
 wave_period_max (s) ?          0.0    19.69
 wave_ht_max (m) ?          0.0    11.78
 wave_dir_avg (degree) ?          0    359
 wave_spread_avg (Wavespread, degree) ?          0    47
 sea_surface_wave_mean_period (s) ?          0.0    12.69
 sample_quality (1) ?          0    7
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

(Documentation / Bypass this form ? )
 
(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station_name {
    String _Encoding "UTF-8";
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station Name";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.6668084e+9, 1.73133828e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Timestamp";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 44.4933, 44.4933;
    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 -63.5094, -63.5094;
    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";
  }
  precise_lat {
    Float64 actual_range 44.4933, 44.4933;
    String ioos_category "Location";
    String long_name "Precise Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  precise_lon {
    Float64 actual_range -63.5094, -63.5094;
    String ioos_category "Location";
    String long_name "Precise Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  battery_level {
    Float32 actual_range 12.3, 14.8;
    String ioos_category "Other";
    String long_name "Battery Voltage";
    String units "V";
  }
  temperature {
    String _Unsigned "false";
    Byte actual_range -18, 35;
    String ioos_category "Temperature";
    String long_name "Temperature";
    String units "degree_C";
  }
  wave_ht_sig {
    Float32 actual_range 0.0, 7.74;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Wave Significant Height";
    String standard_name "sea_surface_wave_significant_height";
    String units "m";
  }
  wave_period_max {
    Float32 actual_range 0.0, 19.69;
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Wave Maximum Period";
    String standard_name "sea_surface_wave_maximum_period";
    String units "s";
  }
  wave_ht_max {
    Float32 actual_range 0.0, 11.78;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Wave Significant Height";
    String standard_name "sea_surface_wave_significant_height";
    String units "m";
  }
  wave_dir_avg {
    Int16 actual_range 0, 359;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Wave To Direction";
    String standard_name "sea_surface_wave_to_direction";
    String units "degree";
  }
  wave_spread_avg {
    String _Unsigned "false";
    Byte actual_range 0, 47;
    String ioos_category "Surface Waves";
    String long_name "Wavespread";
    String units "degree";
  }
  sea_surface_wave_mean_period {
    Float32 actual_range 0.0, 12.69;
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Mean Zero-Upcrossing Period";
    String units "s";
  }
  sample_quality {
    String _Unsigned "false";
    Byte actual_range 0, 7;
    String ioos_category "Quality";
    String long_name "Sample Quality";
    String units "1";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_name,longitude,latitude";
    String contributor_name "Canadian Coast Guard (CCG)";
    String contributor_role "Notices to Mariners - NOTMAR, Duncan Reef light buoy H1, https://www.notmar.gc.ca/publications/list-lights/atl/a327-en";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "dan@xeostech.com";
    String creator_name "Xeos Technologies";
    String creator_url "https://xeostech.com/";
    Float64 Easternmost_Easting -63.5094;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 44.4933;
    Float64 geospatial_lat_min 44.4933;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -63.5094;
    Float64 geospatial_lon_min -63.5094;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-06-13T04:04:23Z (local files)
2025-06-13T04:04:23Z https://www.smartatlantic.ca/erddap/tabledap/SmartAtlantic_XEOS_h1_buoy.html";
    String infoUrl "https://www.smartatlantic.ca/station_alt.html?id=halifax_h1";
    String institution "XEOS";
    String keywords "data, direction, Earth Science > Oceans > Ocean Waves > Significant Wave Height, Earth Science > Oceans > Ocean Waves > Swells, Earth Science > Oceans > Ocean Waves > Wave Period, Earth Science > Oceans > Ocean Waves > Wave Speed/Direction, height, identifier, institute, latitude, level, longitude, marine, maximumwaveheight, name, ocean, oceans, peakwaveperiod, period, sea, sea_surface_swell_wave_period, sea_surface_wave_significant_height, sea_surface_wave_to_direction, seaSurfaceHeight, significant, significantwaveheight, speed, station, station_name, surface, surface waves, swell, swells, time, timestamp, wave, wavedirection, waves, wavespread, xeos";
    String keywords_fra "seaSurfaceHeight";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "https://creativecommons.org/licenses/by/4.0/";
    Float64 Northernmost_Northing 44.4933;
    String platform "moored surface buoy";
    String platform_vocabulary "https://vocab.nerc.ac.uk/collection/L06/current/";
    String project "SmartAtlantic";
    String publisher_email "SmartBay@smartbay.ca";
    String publisher_name "SmartAtlantic";
    String publisher_url "https://www.smartatlantic.ca/";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 44.4933;
    String sponsor_name "Atlantic Pilotage Authority (APA)";
    String sponsor_url "https://www.atlanticpilotage.com/";
    String standard_name_vocabulary "CF Standard Name Table v79";
    String summary "Buoy H1 is a lateral navigation buoy deployed in the vicinity of Duncan Reef. The buoy’s position (44 29.6001N, 063 30.5655W) (DD MM.MMMM). The BRIZO sensor is being sponsored by the Atlantic Pilotage Authority.";
    String summary_fra "La bouée H1 est une bouée de navigation latérale déployée à proximité du récif Duncan. Position de la bouée (44 29.6001N, 063 30.5655W) (DD MM.MMMM). Le capteur BRIZO est parrainé par l'Administration de pilotage de l'Atlantique.";
    String time_coverage_end "2024-11-11T15:18:00Z";
    String time_coverage_start "2022-10-26T18:20:00Z";
    String title "XEOS H1 Buoy Wave Sensor";
    String title_fra "XEOS H1 Bouoy Wave Sensor";
    String uuid "10be6eff-1460-4286-b8af-ceccdc05d55c";
    Float64 Westernmost_Easting -63.5094;
  }
}

 

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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