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Dataset Title:  ONC, Strait of Georgia, BC Ferries, Tsawwassen - Duke Point, 1min, v18-01 Subscribe RSS
Institution:  UBC EOAS   (Dataset ID: ubcONCTWDP1mV18-01)
Range: longitude = -123.95847 to -123.0687°E, latitude = 48.933235 to 49.24464°N, time = 2012-05-10T00:00:00Z to 2018-06-17T23:59:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    Int32 _ChunkSizes 512;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.336608e+9, 1.52927994e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String cf_role "timeseries_id";
    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";
  }
  longitude {
    Int32 _ChunkSizes 480;
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -123.958475, -123.06869999999999;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?deviceCategory=NAV&location=TWDP.N1";
    String ONC_stationCode "TWDP.N1";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    Int32 _ChunkSizes 480;
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 48.933233333333334, 49.244638891666675;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?deviceCategory=NAV&location=TWDP.N1";
    String ONC_stationCode "TWDP.N1";
    String standard_name "latitude";
    String units "degrees_north";
  }
  on_crossing_mask {
    Int32 _ChunkSizes 1440;
    Byte actual_range 0, 1;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String dtype "bool";
    String flag_meanings "in berth, on crossing";
    String flag_values "0, 1";
    String ioos_category "identifier";
    String long_name "On Crossing";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP";
    String ONC_stationCode "TWDP";
    String standard_name "on_crossing_mask";
  }
  crossing_number {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 12.0;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String comment "The first and last crossings of a UTC day are typically incomplete because the ferry operates in the Pacific time zone. To obtain a complete dataset for the 1st crossing of the UTC day, concatenate the crossing_number==0 observations to the crossing_number==n observation from the previous day, where n is max(crossing_number). The number of crossings per day varies throughout the year.";
    String flag_meanings "UTC day crossing number";
    String flag_values "0.0, 1.0, 2.0, ...";
    String ioos_category "identifier";
    String long_name "Crossing Number";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP";
    String ONC_stationCode "TWDP";
    String standard_name "crossing_number";
  }
  temperature {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 2.7401666666666666, 24.93975;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 25.0;
    Float64 colorBarMinimum 4.0;
    String ioos_category "temperature";
    String long_name "temperature";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_temperature";
    String units "degrees_Celcius";
  }
  temperature_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 4.3266797425775065;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "temperature";
    String long_name "temperature standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_temperature_standard_deviation";
    String units "degrees_Celcius";
  }
  temperature_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 68;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "temperature";
    String long_name "temperature sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_temperature_sample_count";
  }
  conductivity {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 5.266666666666666e-4, 4.028513166666667;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "salinity";
    String long_name "conductivity";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_electical_conductivity";
    String units "S/m";
  }
  conductivity_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 1.8899748356297998;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "salinity";
    String long_name "conductivity standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_electical_conductivity_standard_deviation";
    String units "S/m";
  }
  conductivity_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 68;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "salinity";
    String long_name "conductivity sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_electical_conductivity_sample_count";
  }
  salinity {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0098462112, 32.8328945472;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 34.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "salinity";
    String long_name "reference salinity";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_reference_salinity";
    String units "g/kg";
  }
  salinity_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 14.086430486481648;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "salinity";
    String long_name "reference salinity standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_reference_salinity_standard_deviation";
    String units "g/kg";
  }
  salinity_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 68;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "salinity";
    String long_name "reference salinity sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TSG";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_reference_salinity_sample_count";
  }
  o2_saturation {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.38249999999999995, 217.20666666666668;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "dissolved_o2";
    String long_name "O2 saturation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "percent_saturation_of_oxygen_in_sea_water";
    String units "percent";
  }
  o2_saturation_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 50.48920756513767;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "dissolved_o2";
    String long_name "O2 saturation standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "percent_saturation_of_oxygen_in_sea_water_standard_deviation";
    String units "percent";
  }
  o2_saturation_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 68;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "dissolved_o2";
    String long_name "O2 saturation sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "percent_saturation_of_oxygen_in_sea_water_sample_count";
  }
  o2_concentration_corrected {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.021882820999999997, 13.986642244686108;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "dissolved_o2";
    String long_name "corrected O2 concentration";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "volume_fraction_of_oxygen_in_sea_water";
    String units "ml/l";
  }
  o2_concentration_corrected_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 2.7743454128229943;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "dissolved_o2";
    String long_name "corrected O2 concentration standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "volume_fraction_of_oxygen_in_sea_water_standard_deviation";
    String units "ml/l";
  }
  o2_concentration_corrected_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 68;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "dissolved_o2";
    String long_name "corrected O2 concentration sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "volume_fraction_of_oxygen_in_sea_water_sample_count";
  }
  o2_temperature {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 3.445, 26.25;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "dissolved_o2";
    String long_name "O2 sensor temperature";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "temperature_of_sensor_for_oxygen_in_sea_water";
    String units "degrees_Celcius";
  }
  o2_temperature_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 3.6531489118597698;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "dissolved_o2";
    String long_name "O2 sensor temperature standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "temperature_of_sensor_for_oxygen_in_sea_water_standard_deviation";
    String units "degrees_Celcius";
  }
  o2_temperature_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 68;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "dissolved_o2";
    String long_name "O2 sensor temperature sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=OXYSENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "temperature_of_sensor_for_oxygen_in_sea_water_sample_count";
  }
  cdom_fluorescence {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range -1.29024, 121.93560357142857;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "optical properties";
    String long_name "CDOM fluorescence mass fraction";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "mass_fraction_of_cdom_fluorescence_in_sea_water";
    String units "ppb";
  }
  cdom_fluorescence_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 78.74864625657939;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "optical properties";
    String long_name "CDOM fluorescence standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "mass_fraction_of_cdom_fluorescence_in_sea_water_standard_deviation";
    String units "ppb";
  }
  cdom_fluorescence_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 63;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "optical properties";
    String long_name "CDOM fluorescence sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "mass_fraction_of_cdom_fluorescence_in_sea_water_sample_count";
  }
  chlorophyll {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range -0.06856666666666666, 47.661899999999996;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 70.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "optical properties";
    String long_name "chlorophyll concentration";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "mass_fraction_of_chlorophyll_in_sea_water";
    String units "ug/l";
  }
  chlorophyll_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 18.178851366056293;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "optical properties";
    String long_name "chlorophyll concentration standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "mass_fraction_of_chlorophyll_in_sea_water_standard_deviation";
    String units "ug/l";
  }
  chlorophyll_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 63;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "optical properties";
    String long_name "chlorophyll concentration sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "mass_fraction_of_chlorophyll_in_sea_water_sample_count";
  }
  turbidity {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.219, 167.63208;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "optical properties";
    String long_name "turbidity ";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_turbidity";
    String units "NTU";
  }
  turbidity_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 114.50871931153927;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "optical properties";
    String long_name "turbidity standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_turbidity_standard_deviation";
    String units "NTU";
  }
  turbidity_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 63;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "optical properties";
    String long_name "turbidity sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TURBCHLFL";
    String ONC_stationCode "TWDP";
    String standard_name "sea_water_turbidity_sample_count";
  }
  co2_partial_pressure {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 52.55387120651368, 2999.775085122132;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "CO2";
    String long_name "CO2 partial pressure ";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=CO2SENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "surface_partial_pressure_of_carbon_dioxide_in_sea_water";
    String units "pCO2 uatm";
  }
  co2_partial_pressure_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 387.5998543308192;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "CO2";
    String long_name "CO2 partial pressure standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=CO2SENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "surface_partial_pressure_of_carbon_dioxide_in_sea_water_standard_deviation";
    String units "pCO2 uatm";
  }
  co2_partial_pressure_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 77;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "CO2";
    String long_name "CO2 partial pressure sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=CO2SENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "surface_partial_pressure_of_carbon_dioxide_in_sea_water_sample_count";
  }
  co2_concentration_linearized {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 50.191428571428574, 2999.94;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "CO2";
    String long_name "CO2 partial pressure ";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=CO2SENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "mole_fraction_of_carbon_dioxide_in_sea_water";
    String units "umol/mol";
  }
  co2_concentration_linearized_std_dev {
    Int32 _ChunkSizes 480;
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 1218.7861132085484;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "CO2";
    String long_name "CO2 partial pressure standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=CO2SENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "mole_fraction_of_carbon_dioxide_in_sea_water_standard_deviation";
    String units "umol/mol";
  }
  co2_concentration_linearized_sample_count {
    Int32 _ChunkSizes 720;
    Int32 _FillValue 0;
    Int32 actual_range 1, 77;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    String ioos_category "CO2";
    String long_name "CO2 partial pressure sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=CO2SENSOR";
    String ONC_stationCode "TWDP";
    String standard_name "mole_fraction_of_carbon_dioxide_in_sea_water_sample_count";
  }
  air_temperature {
    Float64 _FillValue NaN;
    Float64 actual_range -4.691666666666666, 32.25567226890757;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String ioos_category "Meteorology";
    String long_name "air temperature";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TEMPHUMID";
    String ONC_stationCode "TWDP";
    String standard_name "air_temperature";
    String units "degrees_Celcius";
  }
  air_temperature_std_dev {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 25.631729807343607;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "air temperature standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TEMPHUMID";
    String ONC_stationCode "TWDP";
    String standard_name "air_temperature_standard_deviations";
    String units "degrees_Celcius";
  }
  air_temperature_sample_count {
    Int32 _FillValue 0;
    Int32 actual_range 1, 938;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "air temperature sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TEMPHUMID";
    String ONC_stationCode "TWDP";
    String standard_name "air_temperature_sample_count";
  }
  relative_humidity {
    Float64 _FillValue NaN;
    Float64 actual_range 13.891666666666667, 99.55;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "relative humidity";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TEMPHUMID";
    String ONC_stationCode "TWDP";
    String standard_name "relative_humidity";
    String units "percent";
  }
  relative_humidity_std_dev {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 23.13437084909234;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "relative humidity standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TEMPHUMID";
    String ONC_stationCode "TWDP";
    String standard_name "relative_humidity_standard_deviation";
    String units "percent";
  }
  relative_humidity_sample_count {
    Int32 _FillValue 0;
    Int32 actual_range 1, 938;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "relative humidity sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=TEMPHUMID";
    String ONC_stationCode "TWDP";
    String standard_name "relative_humidity_sample_count";
  }
  barometric_pressure {
    Float64 _FillValue NaN;
    Float64 actual_range 952.0758064516131, 1041.425;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    String ioos_category "Pressure";
    String long_name "barometric pressure";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=BARPRESS";
    String ONC_stationCode "TWDP";
    String standard_name "surface_air_pressure";
    String units "hPa";
  }
  barometric_pressure_std_dev {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 97.2680212765702;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Pressure";
    String long_name "barometric pressure standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=BARPRESS";
    String ONC_stationCode "TWDP";
    String standard_name "surface_air_pressure_standard_deviation";
    String units "hPa";
  }
  barometric_pressure_sample_count {
    Int32 _FillValue 0;
    Int32 actual_range 1, 938;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Pressure";
    String long_name "barometric pressure sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=BARPRESS";
    String ONC_stationCode "TWDP";
    String standard_name "surface_air_pressure_sample_count";
  }
  solar_radiation {
    Float64 _FillValue NaN;
    Float64 actual_range -4.753851935166667, 1324.577226606539;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -500.0;
    String ioos_category "Meteorology";
    String long_name "solar radiation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=PYRANOMETER";
    String ONC_stationCode "TWDP";
    String standard_name "surface_downwelling_shortwave_flux_in_air";
    String units "W/m^2";
  }
  solar_radiation_std_dev {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 552.3024411024564;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "solar radiation standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=PYRANOMETER";
    String ONC_stationCode "TWDP";
    String standard_name "surface_downwelling_shortwave_flux_in_air_standard_deviation";
    String units "W/m^2";
  }
  solar_radiation_sample_count {
    Int32 _FillValue 0;
    Int32 actual_range 1, 68;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "solar radiation sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=PYRANOMETER";
    String ONC_stationCode "TWDP";
    String standard_name "surface_downwelling_shortwave_flux_in_air_sample_count";
  }
  longwave_radiation {
    Float64 _FillValue NaN;
    Float64 actual_range 200.016246636, 465.8771801029081;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -500.0;
    String ioos_category "Meteorology";
    String long_name "longwave radiation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=PYRGEOMETER";
    String ONC_stationCode "TWDP";
    String standard_name "surface_downwelling_longwave_flux_in_air";
    String units "W/m^2";
  }
  longwave_radiation_std_dev {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 104.85328210731659;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "longwave radiation standard deviation";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=PYRGEOMETER";
    String ONC_stationCode "TWDP";
    String standard_name "surface_downwelling_longwave_flux_in_air_standard_deviation";
    String units "W/m^2";
  }
  longwave_radiation_sample_count {
    Int32 _FillValue 0;
    Int32 actual_range 1, 120;
    Float64 aggregation_interval 60.0;
    String aggregation_interval_units "seconds";
    String aggregation_operation "mean";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "longwave radiation sample count";
    String ONC_data_product_url "http://dmas.uvic.ca/DataSearch?location=TWDP&deviceCategory=PYRGEOMETER";
    String ONC_stationCode "TWDP";
    String standard_name "surface_downwelling_longwave_flux_in_air_sample_count";
  }
 }
  NC_GLOBAL {
    String acknowledgement "MEOPAR, ONC";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "longitude, latitude, on_crossing_mask, crossing_number";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "sallen@eos.ubc.ca";
    String creator_name "Salish Sea MEOPAR Project Contributors";
    String creator_url "https://salishsea-meopar-docs.readthedocs.org/";
    String drawLandMask "over";
    Float64 Easternmost_Easting -123.06869999999999;
    String featureType "TimeSeries";
    String ferry_route_name "Tsawwassen - Duke Point";
    Float64 geospatial_lat_max 49.244638891666675;
    Float64 geospatial_lat_min 48.933233333333334;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -123.06869999999999;
    Float64 geospatial_lon_min -123.958475;
    String geospatial_lon_units "degrees_east";
    String history 
"2018-06-18T19:13:05Z (local files)
2018-06-18T19:13:05Z https://salishsea.eos.ubc.ca/tabledap/ubcONCTWDP1mV18-01.das";
    String infoUrl "https://salishsea-meopar-tools.readthedocs.org/en/latest/results_server/";
    String institution "UBC EOAS";
    String institution_fullname "Earth, Ocean & Atmospheric Sciences, University of British Columbia";
    String keywords "1min aggregation, air_temperature, air_temperature_sample_count, air_temperature_standard_deviations, air_temperature_std_dev, atmosphere, barometric_pressure, barometric_pressure_sample_count, barometric_pressure_std_dev, British Columbia Ferries, Carbon Dioxide, carbon dioxide, cdom, cdom_fluorescence, cdom_fluorescence_sample_count, cdom_fluorescence_std_dev, chemistry, chlorophyl, chlorophyll, chlorophyll_sample_count, chlorophyll_std_dev, CO2, co2_concentration_linearized, co2_concentration_linearized_sample_count, co2_concentration_linearized_std_dev, co2_partial_pressure, co2_partial_pressure_sample_count, co2_partial_pressure_std_dev, Conductivity, conductivity, conductivity_sample_count, conductivity_std_dev, crossing_number, dissolved O2, Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure, Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation, Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation, Earth Science > Atmosphere > Atmospheric Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Surface Air Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, electrical conductivity, fluorescence, fractional_saturation_of_oxygen_in_sea_water, fractional_saturation_of_oxygen_in_sea_water_sample_count, fractional_saturation_of_oxygen_in_sea_water_standard_deviation, latitude, longitude, longwave_radiation, longwave_radiation_sample_count, longwave_radiation_std_dev, mass_concentration_of_chlorophyl_in_sea_water, mass_concentration_of_chlorophyl_in_sea_water_sample_count, mass_concentration_of_chlorophyl_in_sea_water_standard_deviation, mass_fraction_of_cdom_fluorescence_in_sea_water, mass_fraction_of_cdom_fluorescence_in_sea_water_sample_count, mass_fraction_of_cdom_fluorescence_in_sea_water_standard_deviation, mole_fraction_of_carbon_dioxide_in_sea_water, mole_fraction_of_carbon_dioxide_in_sea_water_sample_count, mole_fraction_of_carbon_dioxide_in_sea_water_standard_deviation, O2, O2 sensor temperature, o2_concentration_corrected, o2_concentration_corrected_sample_count, o2_concentration_corrected_std_dev, o2_saturation, o2_saturation_sample_count, o2_saturation_std_dev, observations, ocean, Ocean Chemistry &gt, Ocean Networks Canada, Ocean Temperature &gt, Oceans &gt, on_crossing_mask, ONC Mobile Platforms, optical properties, organic, Oxygen, oxygen, partial pressure, reference salinity, relative_humidity, relative_humidity_sample_count, relative_humidity_standard_deviation, relative_humidity_std_dev, salinity, Salinity/Density &gt, salinity_sample_count, salinity_std_dev, sea water, sea water electrical conductivity, sea_water_electrical_conductivity, sea_water_electrical_conductivity_sample_count, sea_water_electrical_conductivity_standard_deviation, sea_water_reference_salinity, sea_water_reference_salinity_sample_count, sea_water_reference_salinity_standard_deviation, sea_water_temperature, sea_water_temperature_sample_count, sea_water_temperature_standard_deviation, sea_water_turbidity, sea_water_turbidity_sample_count, sea_water_turbidity_standard_deviation, seawater, solar_radiation, solar_radiation_sample_count, solar_radiation_std_dev, Strait of Georgia, surface_air_pressure, surface_air_pressure_sample_count, surface_air_pressure_standard_deviation, surface_downwelling_longwave_flux_in_air, surface_downwelling_longwave_flux_in_air_standard_deviation, surface_downwelling_shortwave_flux_in_air, surface_downwelling_shortwave_flux_in_air_sample_count, surface_downwelling_shortwave_flux_in_air_standard_deviation, surface_partial_pressure_of_carbon_dioxide_in_sea_water, surface_partial_pressure_of_carbon_dioxide_in_sea_water_sample_count, surface_partial_pressure_of_carbon_dioxide_in_sea_water_standard_deviation, temperature, temperature_of_sensor_for_oxygen_in_sea_water, temperature_of_sensor_for_oxygen_in_sea_water_sample_count, temperature_of_sensor_for_oxygen_in_sea_water_standard_deviation, temperature_sample_count, temperature_std_dev, time, Tsawwassen - Duke Point route, turbidity, UBC EOAS, volume_fraction_of_oxygen_in_sea_water, volume_fraction_of_oxygen_in_sea_water_sample_count, volume_fraction_of_oxygen_in_sea_water_standard_deviation, Water Temperature";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The Salish Sea MEOPAR observation datasets are copyright
by the Salish Sea MEOPAR Project Contributors, The University of British Columbia, and Ocean Networks Canada.

They are licensed under the Apache License, Version 2.0. http://www.apache.org/licenses/LICENSE-2.0

Raw instrument data on which this dataset is based were provided by Ocean Networks Canada.";
    Float64 Northernmost_Northing 49.244638891666675;
    String ONC_stationDescription "Mobile Platforms, British Columbia Ferries, Tsawwassen - Duke Point";
    String project "Salish Sea MEOPAR NEMO Model";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 48.933233333333334;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary 
"ONC, Strait of Georgia, BC Ferries, Tsawwassen - Duke Point, 1min, v18-01

Data from the Ocean Networks Canada (ONC)
Strait of Georgia Mobile Platforms, British Columbia Ferries, Tsawwassen - Duke Point route.
The data are resampled from the raw instrument data to 1 minute mean values.
They are accompanied by standard deviations and sample counts for each of the 1 minute
aggregation intervals.

v1: on_crossing_mask, crossing_number,
    temperature, temperature standard deviation, temperature sample counts,
    conductivity, conductivity standard deviation, conductivity sample counts,
    reference salinity, reference salinity standard deviation, reference salinity sample counts,
    O2 saturation, O2 saturation standard deviation, O2 saturation sample counts,
    corrected O2 concentration, corrected O2 concentration standard deviation, corrected O2 concentration sample counts,
    O2 sensor temperature, O2 sensor temperature standard deviation, O2 sensor temperature sample counts,
    CDOM fluorescence, CDOM fluorescence standard deviation, CDOM fluorescence sample counts,
    chlorophyll, chlorophyll standard deviation, chlorophyll sample counts,
    turbidity, turbidity standard deviation, turbidity sample counts,
    CO2 partial pressure, CO2 partial pressure standard deviation, CO2 partial pressure sample counts,
    linearized CO2 concentration, linearized CO2 concentration standard deviation, linearized CO2 concentration sample counts,
    variables
v18-01: Add air temperature, air temperature standard deviation, air temperature sample counts,
        relative humidity, relative humidity standard deviation, relative humidity sample counts,
        barometric pressure, barometric pressure standard deviation, barometric pressure sample counts,
        solar radiation, solar radiation standard deviation, solar radiation sample counts,
        longwave radiation, longwave radiation standard deviation, longwave radiation sample counts,
        variables";
    String time_coverage_end "2018-06-17T23:59:00Z";
    String time_coverage_start "2012-05-10T00:00:00Z";
    String title "ONC, Strait of Georgia, BC Ferries, Tsawwassen - Duke Point, 1min, v18-01";
    Float64 Westernmost_Easting -123.958475;
  }
}

 

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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