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Dataset Title:  Mouth of Placentia Bay Buoy Subscribe RSS
Institution:  MI   (Dataset ID: SMA_MouthofPlacentiaBayBuoy)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 station_name ?          "smb_mouth_of_place..."    "smb_mouth_of_place..."
 time (Timestamp, UTC) ?          2006-08-18T17:16:59Z    2021-12-01T12:55:00Z
  < slider >
 longitude (degrees_east) ?          -54.69528    -54.69528
  < slider >
 latitude (degrees_north) ?          46.9736    46.9736
  < slider >
 precise_lon (Precise Longitude) ?          -58.73575    -21.419885
 precise_lat (Precise Latitude) ?          -66.07831167    51.05829333
 wind_spd_avg (m s-1) ?          0.0    460.7
 wind_spd_max (m s-1) ?          0.0    309.4
 wind_dir_avg (Wind From Direction, degree) ?          0    360
 wind_spd2_avg (m s-1) ?          0.0    34.9
 wind_spd2_max (m s-1) ?          0.0    138.3
 wind_dir2_avg (Wind From Direction, degree) ?              
 air_temp_avg (degree_C) ?          -21.9    32.6
 air_pressure_avg (Air Pressure, mbar) ?          951.61    1049.97
 air_humidity_avg (1) ?          0.0    102.0
 air_dewpoint_avg (degree_C) ?          -101.1    32.6
 surface_temp_avg (degree_C) ?          -5.91    323.96
 wave_ht_max (m) ?          0.0    323.96
 surface_salinity_avg (1e-3) ?          0.0    323.961
 surface_cond_avg (S m-1) ?          0.0195    323.961
 wave_ht_sig (m) ?          0.0    323.96
 wave_period_max (s) ?          0.0    324.0
 wave_dir_avg (degree) ?          -2.19036993E17    360.0
 wave_spread_avg (degree) ?          -2.34584E26    3.84363E30
 curr_dir_avg (degree) ?          0.0    360.0
 curr_spd_avg (mm s-1) ?          0.0    24201.3
 
Server-side Functions ?
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station_name {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station Name";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.155921419e+9, 1.6383633e+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";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -54.69528, -54.69528;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 46.9736, 46.9736;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  precise_lon {
    Float64 actual_range -58.73575, -21.419885;
    String ioos_category "Location";
    String long_name "Precise Longitude";
  }
  precise_lat {
    Float64 actual_range -66.07831167, 51.05829333;
    String ioos_category "Location";
    String long_name "Precise Latitude";
  }
  wind_spd_avg {
    Float32 actual_range 0.0, 460.7;
    String ioos_category "Wind";
    String long_name "Wind Spd Avg";
    String units "m s-1";
  }
  wind_spd_max {
    Float32 actual_range 0.0, 309.4;
    String ioos_category "Wind";
    String long_name "Wind Spd Max";
    String units "m s-1";
  }
  wind_dir_avg {
    Int16 actual_range 0, 360;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "Wind From Direction";
    String standard_name "wind_from_direction";
    String units "degree";
  }
  wind_spd2_avg {
    Float32 actual_range 0.0, 34.9;
    String ioos_category "Wind";
    String long_name "Wind Spd2 Avg";
    String units "m s-1";
  }
  wind_spd2_max {
    Float32 actual_range 0.0, 138.3;
    String ioos_category "Wind";
    String long_name "Wind Spd2 Max";
    String units "m s-1";
  }
  wind_dir2_avg {
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "Wind From Direction";
    String standard_name "wind_from_direction";
    String units "degree";
  }
  air_temp_avg {
    Float32 actual_range -21.9, 32.6;
    String ioos_category "Temperature";
    String long_name "Air Temp Avg";
    String units "degree_C";
  }
  air_pressure_avg {
    Float32 actual_range 951.61, 1049.97;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    String ioos_category "Pressure";
    String long_name "Air Pressure";
    String standard_name "air_pressure";
    String units "mbar";
  }
  air_humidity_avg {
    Float32 actual_range 0.0, 102.0;
    String ioos_category "Meteorology";
    String long_name "Air Humidity Avg";
    String units "1";
  }
  air_dewpoint_avg {
    Float32 actual_range -101.1, 32.6;
    String ioos_category "Meteorology";
    String long_name "Air Dewpoint Avg";
    String units "degree_C";
  }
  surface_temp_avg {
    Float32 actual_range -5.91, 323.96;
    String ioos_category "Temperature";
    String long_name "Surface Temp Avg";
    String units "degree_C";
  }
  wave_ht_max {
    Float32 actual_range 0.0, 323.96;
    String ioos_category "Surface Waves";
    String long_name "Wave Ht Max";
    String units "m";
  }
  surface_salinity_avg {
    Float32 actual_range 0.0, 323.961;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Sea Water Salinity";
    String standard_name "sea_water_salinity";
    String units "1e-3";
  }
  surface_cond_avg {
    Float32 actual_range 0.0195, 323.961;
    String ioos_category "Surface Waves";
    String long_name "Surface Cond Avg";
    String units "S m-1";
  }
  wave_ht_sig {
    Float32 actual_range 0.0, 323.96;
    String ioos_category "Surface Waves";
    String long_name "Wave Ht Sig";
    String units "m";
  }
  wave_period_max {
    Float32 actual_range 0.0, 324.0;
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Swell Wave Period";
    String standard_name "sea_surface_swell_wave_period";
    String units "s";
  }
  wave_dir_avg {
    Float32 actual_range -2.19036993e+17, 360.0;
    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 {
    Float32 actual_range -2.34584e+26, 3.84363e+30;
    String ioos_category "Surface Waves";
    String long_name "Wave Spread Avg (relative)";
    String units "degree";
  }
  curr_dir_avg {
    Float32 actual_range 0.0, 360.0;
    String ioos_category "Currents";
    String long_name "Curr Dir Avg";
    String units "degree";
  }
  curr_spd_avg {
    Float32 actual_range 0.0, 24201.3;
    String ioos_category "Currents";
    String long_name "Curr Spd Avg";
    String units "mm s-1";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_name, longitude, latitude";
    String Conventions "COARDS, CF-1.6, Unidata Dataset Discovery v1.0";
    String creator_email "SmartBay@smartbay.ca";
    String creator_name "Marine Institute";
    String creator_url "https://www.mi.mun.ca/departments/centreforappliedoceantechnology/";
    Float64 Easternmost_Easting -54.69528;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 46.9736;
    Float64 geospatial_lat_min 46.9736;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -54.69528;
    Float64 geospatial_lon_min -54.69528;
    String geospatial_lon_units "degrees_east";
    String history 
"2021-12-01T13:24:26Z (local files)
2021-12-01T13:24:26Z https://www.smartatlantic.ca/erddap/tabledap/SMA_MouthofPlacentiaBayBuoy.html";
    String infoUrl "https://www.smartatlantic.ca/station_alt.html?id=placentiabay_mouth";
    String institution "MI";
    String keywords "air, air_pressure, atmosphere, atmospheric, avg, better, cond, curr, currents, decisions, density, dew point, dir, direction, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Static Pressure, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Oceans > Ocean Waves > Swells, Earth Science > Oceans > Ocean Waves > Wave Period, Earth Science > Oceans > Ocean Waves > Wave Speed/Direction, Earth Science > Oceans > Salinity/Density > Salinity, humidity, identifier, level, max, measurements, meteorology, name, ocean, oceans, period, pressure, salinity, sea, sea_surface_swell_wave_period, sea_surface_wave_to_direction, sea_water_salinity, seaSurfaceHeight, seaSurfaceSalinity, seaSurfaceTemperature, seawater, sig, spd, spd2, speed, spread, static, station, surface, surface waves, surfaceCurrents, swell, swells, temperature, time, timestamp, water, wave, waves, wind, wind_from_direction, winds";
    String keywords_fra "seaSurfaceTemperature, seaSurfaceHeight, seaSurfaceSalinity, surfaceCurrents";
    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 Metadata_Conventions "COARDS, CF-1.6, Unidata Dataset Discovery v1.0";
    Float64 Northernmost_Northing 46.9736;
    String project "SmartAtlantic";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 46.9736;
    String standard_name_vocabulary "CF-12";
    String summary "A 3 m. diameter meteorological / oceanographic buoy built by AXYS Environmental Technologies of Sidney, British Columbia. The buoy is positioned at the mouth of Placentia Bay in water depth of about 230 m.The buoy is capable of measuring a variety of atmospheric and surface conditions: wind speed and direction, air temperature, humidity, dew point, barometric pressure, sea surface temperature, current speed, current direction, wave height, wave direction and wave period. The buoy is also equipped with an Aids to Navigation Information System (ATONiS) allowing direct transmittal of the buoy data to a ship's bridge.";
    String summary_fra "Une bouée météorologique/océanographique de 3 m. de diamètre construite par AXYS Environmental Technologies de Sidney, en Colombie-Britannique. La bouée est positionnée à l'embouchure de la baie Placentia à une profondeur d'eau d'environ 230 m. La bouée est capable de mesurer diverses conditions atmosphériques et de surface : vitesse et direction du vent, température de l'air, humidité, point de rosée, pression barométrique, température de la surface de la mer, vitesse du courant, direction du courant, vague la hauteur, la direction des vagues et la période des vagues. La bouée est également munie d'un système d'information sur les aides à la navigation (AtonIS) qui permet la transmission directe des données de la bouée à la passerelle d'un navire.";
    String testOutOfDate "now-60minutes";
    String time_coverage_end "2021-12-01T12:55:00Z";
    String time_coverage_start "2006-08-18T17:16:59Z";
    String title "Mouth of Placentia Bay Buoy";
    String title_fra "Bouée de la baie Placentia";
    String uuid "e155a31a-d248-400f-af44-8351bba3b6ae";
    Float64 Westernmost_Easting -54.69528;
  }
}

 

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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