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Dataset Title:  Halifax (Herring Cove) Buoy Subscribe RSS
Institution:  COVE   (Dataset ID: SMA_halifax)
Range: longitude = -63.544468 to -63.544468°E, latitude = 44.5559 to 44.5559°N, time = 2013-11-07T16:23:01Z to 2022-06-30T17:53:01Z
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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 1.383841381e+9, 1.656611581e+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 -63.54446666666667, -63.54446666666667;
    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 44.5559, 44.5559;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  precise_lon {
    Float64 actual_range -63.63908333, -63.53693333;
    String ioos_category "Location";
    String long_name "Precise Longitude";
  }
  precise_lat {
    Float64 actual_range 44.54611667, 44.68125;
    String ioos_category "Location";
    String long_name "Precise Latitude";
  }
  wind_spd_avg {
    Float32 actual_range 0.0, 33.9;
    String ioos_category "Wind";
    String long_name "Wind Spd Avg";
    String standard_name "wind_speed";
    String units "m s-1";
  }
  wind_spd_max {
    Float32 actual_range 0.0, 92.3;
    String ioos_category "Wind";
    String long_name "Wind Spd Max";
    String standard_name "wind_speed_of_gust";
    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";
  }
  air_temp_avg {
    Float32 actual_range -19.3, 78.9;
    String ioos_category "Temperature";
    String long_name "Air Temp Avg";
    String standard_name "air_temperature";
    String units "degree_C";
  }
  air_pressure_avg {
    Float32 actual_range 937.8, 1049.9;
    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";
  }
  surface_temp_avg {
    Float32 actual_range -1.4, 37.1;
    String ioos_category "Temperature";
    String long_name "Surface Temp Avg";
    String standard_name "sea_surface_temperature";
    String units "degree_C";
  }
  wave_ht_max {
    Float32 actual_range 0.0, 10.9;
    String ioos_category "Surface Waves";
    String long_name "Wave Ht Max";
    String standard_name "sea_surface_wave_maximum_height";
    String units "m";
  }
  wave_ht_sig {
    Float32 actual_range 0.0, 5.8;
    String ioos_category "Surface Waves";
    String long_name "Wave Ht Sig";
    String standard_name "sea_surface_wave_significant_height";
    String units "m";
  }
  wave_dir_avg {
    Float64 actual_range -4.053700061488133e+36, 1.0129499633095978e+36;
    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 {
    Float64 actual_range -4.031280076059847e+36, 1.0077399985708223e+36;
    String ioos_category "Surface Waves";
    String long_name "Wave Spread Avg";
    String standard_name "sea_surface_wave_directional_spread";
    String units "degree";
  }
  wave_period_max {
    Float32 actual_range 1.6, 33.3;
    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";
  }
  curr_spd_avg {
    Int16 actual_range 0, 1775;
    String ioos_category "Currents";
    String long_name "Curr Spd Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd2_avg {
    Int16 actual_range 0, 1928;
    String ioos_category "Currents";
    String long_name "Curr Spd2 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir2_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir2 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd3_avg {
    Int16 actual_range 0, 2598;
    String ioos_category "Currents";
    String long_name "Curr Spd3 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir3_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir3 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd4_avg {
    Int16 actual_range 0, 3202;
    String ioos_category "Currents";
    String long_name "Curr Spd4 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir4_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir4 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd5_avg {
    Int16 actual_range 0, 3716;
    String ioos_category "Currents";
    String long_name "Curr Spd5 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir5_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir5 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd6_avg {
    Int16 actual_range 0, 4170;
    String ioos_category "Currents";
    String long_name "Curr Spd6 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir6_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir6 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd7_avg {
    Int16 actual_range 0, 3927;
    String ioos_category "Currents";
    String long_name "Curr Spd7 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir7_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir7 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd8_avg {
    Int16 actual_range 0, 3914;
    String ioos_category "Currents";
    String long_name "Curr Spd8 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir8_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir8 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd9_avg {
    Int16 actual_range 0, 4142;
    String ioos_category "Currents";
    String long_name "Curr Spd9 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir9_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir9 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd10_avg {
    Int16 actual_range 0, 4301;
    String ioos_category "Currents";
    String long_name "Curr Spd10 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir10_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir10 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd11_avg {
    Int16 actual_range 0, 4307;
    String ioos_category "Currents";
    String long_name "Curr Spd11 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir11_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir11 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd12_avg {
    Int16 actual_range 0, 4396;
    String ioos_category "Currents";
    String long_name "Curr Spd12 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir12_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir12 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd13_avg {
    Int16 actual_range 0, 4395;
    String ioos_category "Currents";
    String long_name "Curr Spd13 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir13_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir13 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd14_avg {
    Int16 actual_range 0, 4009;
    String ioos_category "Currents";
    String long_name "Curr Spd14 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir14_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir14 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd15_avg {
    Int16 actual_range 0, 1912;
    String ioos_category "Currents";
    String long_name "Curr Spd15 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir15_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir15 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd16_avg {
    Int16 actual_range 0, 1635;
    String ioos_category "Currents";
    String long_name "Curr Spd16 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir16_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir16 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd17_avg {
    Int16 actual_range 0, 1865;
    String ioos_category "Currents";
    String long_name "Curr Spd17 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir17_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir17 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd18_avg {
    Int16 actual_range 0, 3821;
    String ioos_category "Currents";
    String long_name "Curr Spd18 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir18_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir18 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd19_avg {
    Int16 actual_range 0, 3709;
    String ioos_category "Currents";
    String long_name "Curr Spd19 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir19_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir19 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
  curr_spd20_avg {
    Int16 actual_range 0, 4052;
    String ioos_category "Currents";
    String long_name "Curr Spd20 Avg";
    String standard_name "sea_water_speed";
    String units "mm s-1";
  }
  curr_dir20_avg {
    Int16 actual_range 0, 360;
    String ioos_category "Currents";
    String long_name "Curr Dir20 Avg";
    String standard_name "sea_water_velocity_to_direction";
    String units "degree";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_name,longitude,latitude";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Centre for Ocean Ventures & Entrepreneurship (COVE)";
    String creator_url "https://coveocean.com/";
    Float64 Easternmost_Easting -63.54446666666667;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 44.5559;
    Float64 geospatial_lat_min 44.5559;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -63.54446666666667;
    Float64 geospatial_lon_min -63.54446666666667;
    String geospatial_lon_units "degrees_east";
    String history 
"2022-08-16T17:03:50Z (local files)
2022-08-16T17:03:50Z https://www.smartatlantic.ca/tabledap/SMA_halifax.das";
    String infoUrl "https://www.smartatlantic.ca/station_alt.html?id=halifax";
    String institution "COVE";
    String instrument_10_description "Light";
    String instrument_10_id "Light-420";
    String instrument_10_manufacturer "Carmanah";
    String instrument_10_type "Miscellaneous";
    String instrument_10_version "M750";
    String instrument_11_description "Mooring";
    String instrument_11_id "Mooring-419";
    String instrument_11_manufacturer "All Chain";
    String instrument_11_type "Mooring";
    String instrument_11_version "nan";
    String instrument_12_description "Radar Reflector";
    String instrument_12_id "Radar Reflector-421";
    String instrument_12_manufacturer "EchoMax";
    String instrument_12_type "Miscellaneous";
    String instrument_12_version "EM230";
    String instrument_13_description "Telemetry";
    String instrument_13_id "Telemetry-408";
    String instrument_13_manufacturer "nan";
    String instrument_13_type "Equipment";
    String instrument_13_version "nan";
    String instrument_14_description "Temperature/Rel. Humid.";
    String instrument_14_id "Temperature/Rel. Humid.-416";
    String instrument_14_manufacturer "Visala";
    String instrument_14_type "Sensor";
    String instrument_14_version "nan";
    String instrument_15_description "Wave Sensor";
    String instrument_15_id "Wave Sensor-410";
    String instrument_15_manufacturer "AXYS";
    String instrument_15_type "Sensor";
    String instrument_15_version "Tri-AXYS";
    String instrument_1_description "Anemometer";
    String instrument_1_id "Anemometer-415";
    String instrument_1_manufacturer "Gill";
    String instrument_1_type "Sensor";
    String instrument_1_version "Windsonic";
    String instrument_2_description "Anemometer";
    String instrument_2_id "Anemometer-414";
    String instrument_2_manufacturer "R.M. Young";
    String instrument_2_type "Sensor";
    String instrument_2_version "5106";
    String instrument_3_description "AtoN AIS";
    String instrument_3_id "AtoN AIS-412";
    String instrument_3_manufacturer "L3";
    String instrument_3_type "Equipment";
    String instrument_3_version "MFR 06141";
    String instrument_4_description "Barometric Pressure";
    String instrument_4_id "Barometric Pressure-418";
    String instrument_4_manufacturer "RM Young";
    String instrument_4_type "Sensor";
    String instrument_4_version "61302V";
    String instrument_5_description "Compass";
    String instrument_5_id "Compass-417";
    String instrument_5_manufacturer "KVH";
    String instrument_5_type "Equipment";
    String instrument_5_version "C100";
    String instrument_6_description "Current Meter";
    String instrument_6_id "Current Meter-411";
    String instrument_6_manufacturer "NORTEK Aquadopp";
    String instrument_6_type "Sensor";
    String instrument_6_version "Current Meter";
    String instrument_7_description "Data Logger";
    String instrument_7_id "Data Logger-406";
    String instrument_7_manufacturer "AXYS WatchMan";
    String instrument_7_type "Equipment";
    String instrument_7_version "WM500";
    String instrument_8_description "GPS";
    String instrument_8_id "GPS-413";
    String instrument_8_manufacturer "Garmin";
    String instrument_8_type "Equipment";
    String instrument_8_version "GP-30";
    String instrument_9_description "InMarSat D+";
    String instrument_9_id "InMarSat D+-409";
    String instrument_9_manufacturer "SkyWave";
    String instrument_9_type "Equipment";
    String instrument_9_version "INMARASAT D+";
    String keywords "air, air_pressure, air_pressure_avg, air_temp_avg, atmosphere, atmospheric, average, curr, curr_dir10_avg, curr_dir11_avg, curr_dir12_avg, curr_dir13_avg, curr_dir14_avg, curr_dir15_avg, curr_dir16_avg, curr_dir17_avg, curr_dir18_avg, curr_dir19_avg, curr_dir20_avg, curr_dir2_avg, curr_dir3_avg, curr_dir4_avg, curr_dir5_avg, curr_dir6_avg, curr_dir7_avg, curr_dir8_avg, curr_dir9_avg, curr_dir_avg, curr_spd10_avg, curr_spd11_avg, curr_spd12_avg, curr_spd13_avg, curr_spd14_avg, curr_spd15_avg, curr_spd16_avg, curr_spd17_avg, curr_spd18_avg, curr_spd19_avg, curr_spd20_avg, curr_spd2_avg, curr_spd3_avg, curr_spd4_avg, curr_spd5_avg, curr_spd6_avg, curr_spd7_avg, curr_spd8_avg, curr_spd9_avg, curr_spd_avg, currents, data, dir, dir10, dir11, dir12, dir13, dir14, dir15, dir16, dir17, dir18, dir19, dir2, dir20, dir3, dir4, dir5, dir6, dir7, dir8, dir9, 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, halifax, identifier, institute, level, marine, max, measurements, name, ocean, oceans, period, pressure, sea, sea_surface_swell_wave_period, sea_surface_wave_to_direction, seaSurfaceHeight, seaSurfaceTemperature, sig, spd, spd10, spd11, spd12, spd13, spd14, spd15, spd16, spd17, spd18, spd19, spd2, spd20, spd3, spd4, spd5, spd6, spd7, spd8, spd9, speed, spread, static, station, station_name, surface, surface waves, surface_temp_avg, surfaceCurrents, swell, swells, temperature, time, timestamp, wave, wave_dir_avg, wave_ht_max, wave_ht_sig, wave_period_max, wave_spread_avg, waves, wind, wind_dir_avg, wind_from_direction, wind_spd_avg, wind_spd_max, winds";
    String keywords_fra "surfaceCurrents, seaSurfaceHeight, seaSurfaceTemperature";
    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.";
    Float64 Northernmost_Northing 44.5559;
    String platform "moored surface buoy";
    String platform_description "AXYS 3 Metre Buoy";
    String platform_id "3MB00320";
    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 44.5559;
    String standard_name_vocabulary "CF Standard Name Table v78";
    String summary 
"A 3 metre diameter meteorological / oceanographic buoy built by AXYS Environmental Technologies of Sidney, British Columbia. The buoy is located in Herring Cove at the approaches to Halifax Harbour in about 35 m. water depth. The buoy's purpose is to monitor and transmit in near real time meteorological and oceanographic data in support of operational efficiency, safety and situational awareness for marine transportation. The buoy also provides a continuous data feed in support of the Science and R&D community.

The buoy is capable of measuring a variety of atmospheric and surface conditions including: wind speed and direction, air temperature, humidity, dew point, barometric pressure, water temperature, current speed and direction (0.5 m. depth), wave height, direction and period as well as wave spectral information. 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.

Approximate Position
Latitude: 44° 33.52' N
Longitude: 063° 32.72' W
Approximate Water Depth
35m (115 ft)
Data Start Date
June 21, 2017

Sensor Height Relative to Sea Surface
Anemometer: 4.2m
Air Temp. / Humidity: 3.5m
Barometer: 0m
Sea Surf. Temp. / Current Profiler: -0.5m";
    String summary_fra "Une bouée météorologique et océanographique de 3 mètres de diamètre construite par AXYS Environmental Technologies de Sidney, en Colombie-Britannique. La bouée est située à Herring Cove, aux abords du port d'Halifax, à environ 35 m. de profondeur d'eau. L'objectif de la bouée est de surveiller et de transmettre en temps quasi réel les données météorologiques et océanographiques à l'appui de l'efficacité opérationnelle, de la sécurité et de la connaissance de la situation pour le transport maritime. La bouée fournit également un flux continu de données à l'appui de la communauté des sciences et de la R-D.  \\n \\nLa bouée est capable de mesurer diverses conditions atmosphériques et de surface, y compris la vitesse et la direction du vent, la température de l'air, l'humidité, le point de rosée, la pression barométrique, la température de l'eau, la vitesse et la direction du courant (0,5 m de profondeur), la hauteur, la direction et la période des vagues ainsi que l'information spectrale 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.  \\n \\nPosition approximative \\nLatitude : 44 \\u00b0 33,52' N \\nLongitude : 063 \\u00b0 32,72' O \\nProfondeur approximative de l'eau \\n35m (115 pi) \\nDate de début des données \\n21 juin 2017 \\n \\nHauteur du capteur par rapport à la surface de la mer \\nanémomètre : 4,2m \\nTempérature de l'air/Humidité de l'air : 3,5m \\nSurf en mer. Temp./Profil de courant ?0.5m";
    String testOutOfDate "now-60minutes";
    String time_coverage_end "2022-06-30T17:53:01Z";
    String time_coverage_start "2013-11-07T16:23:01Z";
    String title "Halifax (Herring Cove) Buoy";
    String title_fra "Halifax (Herring Cove) Bouoy";
    String uuid "0fb1bc5e-0eb6-4dba-b494-0b80845b2030";
    Float64 Westernmost_Easting -63.54446666666667;
  }
}

 

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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