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Dataset Title:  Provisional Real-Time Hakai Seafloor Observatory in Hyacinthe Bay, Quadra
Island, British Columbia, Canada
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Institution:  Hakai Institute   (Dataset ID: HakaiQuadraLimpet5min)
Information:  Summary ? | License ? | FGDC | Metadata | Background (external link) | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 time (UTC) ?              
 latitude (degrees_north) ?          50.11736    50.11736
  < slider >
 longitude (degrees_east) ?          -125.22003    -125.22003
  < slider >
 station ?          Quadra Limpet    Quadra Limpet
 WaterTemp_Avg (degree_Celsius) ?              
 WaterTemp_Std (degree_Celsius) ?              
 WaterTemp_UQL (TWtrQuadraLimpet UNESCO flags) ?              
 WaterTemp_flags ?              
 WaterEC_Avg (S/m) ?              
 WaterEC_Std (S/m) ?              
 WaterEC_UQL ?              
 WaterEC_flags ?              
 WaterPressure_Avg (decibar) ?              
 WaterPressure_Std (decibar) ?              
 WaterPressure_UQL ?              
 WaterPressure_flags (Pressure Quality Flags) ?              
 WaterDepth_Avg (DepthQuadraLimpet_Avg, m) ?              
 WaterDepth_UQL ?              
 WaterDepth_flags (Depth Quality Flags) ?              
 WaterOxygen_Avg (ml/L) ?              
 WaterOxygen_Std (ml/L) ?              
 WaterOxygen_UQL ?              
 WaterOxygen_flags (Water Oxygen Quality Flags) ?              
 WaterSalinity_Avg (SalinityQuadraLimpet_Avg) ?              
 WaterSalinity_UQL ?              
 WaterSalinity_flags (Water Salinity Quality Flags) ?              
 Chlorophyll_Avg (ChlorophyllLimpet_Avg, μg/l) ?              
 Chlorophyll_UQL ?              
 Chlorophyll_flags (Chlorophyll Quality Flags) ?              
 
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)

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    String axis "T";
    String cell_methods "time: point (interval: 5.0 minutes comment: time correspond to the end of the interval)";
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 50.11736, 50.11736;
    String axis "Y";
    String description "Fixed latitude of the site";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -125.22003, -125.22003;
    String axis "X";
    String description "Fixed longitude of the site";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  station {
    String actual_range 
"Quadra Limpet
Quadra Limpet";
    String cf_role "timeseries_id";
    String ioos_category "Location";
  }
  WaterTemp_Avg {
    String ancillary_variables "WaterTemp_flags WaterTemp_UQL";
    String cell_methods "time: mean (interval: 5.0 minutes)";
    String long_name "TWtrQuadraLimpet_Avg";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  WaterTemp_Std {
    String ancillary_variables "WaterTemp_flags WaterTemp_UQL";
    String cell_methods "time: standard_deviation (interval: 5.0 minutes)";
    String long_name "TWtrQuadraLimpet_Std";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  WaterTemp_UQL {
    String _Unsigned "false";
    String flag_meaning "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String long_name "TWtrQuadraLimpet UNESCO flags";
    Byte missing_value 2;
    String standard_name "aggregate_quality_flag";
  }
  WaterTemp_flags {
    String _Unsigned "false";
    String long_name "Water Temperature Quality Flags";
  }
  WaterEC_Avg {
    String ancillary_variables "WaterEC_flags WaterEC_UQL";
    String cell_methods "time: mean (interval: 5.0 minutes)";
    String long_name "ConductivityQuadraLimpet_Avg";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
  }
  WaterEC_Std {
    String ancillary_variables "WaterEC_flags WaterEC_UQL";
    String cell_methods "time: standard_deviation (interval: 5.0 minutes)";
    String long_name "ConductivityQuadraLimpet_Std";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
  }
  WaterEC_UQL {
    String _Unsigned "false";
    String flag_meaning "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String long_name "ConductivityQuadraLimpet UNESCO flags";
    Byte missing_value 2;
    String standard_name "aggregate_quality_flag";
  }
  WaterEC_flags {
    String long_name "Water Conductivity Quality Flags";
  }
  WaterPressure_Avg {
    String ancillary_variables "WaterPressure_flags WaterPressure_UQL";
    String cell_methods "time: mean (interval: 5.0 minutes)";
    String long_name "PressureQuadraLimpet_Avg";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "sea_water_pressure";
    String units "decibar";
  }
  WaterPressure_Std {
    String ancillary_variables "WaterPressure_flags WaterPressure_UQL";
    String cell_methods "time: standard_deviation (interval: 5.0 minutes)";
    String long_name "PressureQuadraLimpet_Std";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "sea_water_pressure";
    String units "decibar";
  }
  WaterPressure_UQL {
    String _Unsigned "false";
    String flag_meaning "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String long_name "PressureQuadraLimpet UNESCO flags";
    Byte missing_value 2;
    String standard_name "aggregate_quality_flag";
  }
  WaterPressure_flags {
    String _Unsigned "false";
    String long_name "Pressure Quality Flags";
  }
  WaterDepth_Avg {
    String ancillary_variables "WaterDepth_flags WaterDepth_UQL";
    String cell_methods "time: mean (interval: 5.0 minutes)";
    String long_name "DepthQuadraLimpet_Avg";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "depth";
    String units "m";
  }
  WaterDepth_UQL {
    String _Unsigned "false";
    String flag_meaning "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String long_name "DepthQuadraLimpet UNESCO flags";
    Byte missing_value 2;
    String standard_name "aggregate_quality_flag";
  }
  WaterDepth_flags {
    String _Unsigned "false";
    String long_name "Depth Quality Flags";
  }
  WaterOxygen_Avg {
    String ancillary_variables "WaterOxygen_flags WaterOxygen_UQL";
    String cell_methods "time: mean (interval: 5.0 minutes)";
    String long_name "O2ConcentrationQuadraLimpet_Avg";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "volume_fraction_of_oxygen_in_sea_water";
    String units "ml/L";
  }
  WaterOxygen_Std {
    String ancillary_variables "WaterOxygen_flags";
    String cell_methods "time: standard_deviation (interval: 5.0 minutes)";
    String long_name "O2ConcentrationQuadraLimpet_Std";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "volume_fraction_of_oxygen_in_sea_water";
    String units "ml/L";
  }
  WaterOxygen_UQL {
    String _Unsigned "false";
    String flag_meaning "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String long_name "O2ConcentrationQuadraLimpet UNESCO flags";
    Byte missing_value 2;
    String standard_name "aggregate_quality_flag";
  }
  WaterOxygen_flags {
    String long_name "Water Oxygen Quality Flags";
  }
  WaterSalinity_Avg {
    String ancillary_variables "WaterSalinity_flags WaterSalinity_UQL";
    String cell_methods "time: mean (interval: 5.0 minutes)";
    String long_name "SalinityQuadraLimpet_Avg";
    String sensor_description "SBE 37-SMP-ODO MicroCAT C-T-ODO (P) Recorder";
    String sensor_type "SBE 37-SMP-ODO";
    String standard_name "sea_water_practical_salinity";
  }
  WaterSalinity_UQL {
    String _Unsigned "false";
    String flag_meaning "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String long_name "SalinityQuadraLimpet UNESCO flags";
    Byte missing_value 2;
    String standard_name "aggregate_quality_flag";
  }
  WaterSalinity_flags {
    String _Unsigned "false";
    String long_name "Water Salinity Quality Flags";
  }
  Chlorophyll_Avg {
    String ancillary_variables "Chlorophyll_flags Chlorophyll_UQL";
    String cell_methods "time: mean (interval: 5.0 minutes)";
    String long_name "ChlorophyllLimpet_Avg";
    String sensor_description "Wet Labs Fluorometer (WetStar)";
    String sensor_type "Fluorometer";
    String units "μg/l";
  }
  Chlorophyll_UQL {
    String _Unsigned "false";
    String flag_meaning "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String long_name "ChlorophyllLimpet UNESCO flags";
    Byte missing_value 2;
    String standard_name "aggregate_quality_flag";
  }
  Chlorophyll_flags {
    String _Unsigned "false";
    String long_name "Chlorophyll Quality Flags";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station";
    String creator_url "https://www.hakai.org/";
    Float64 Easternmost_Easting -125.22003;
    String elevation "-20";
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 50.11736;
    Float64 geospatial_lat_min 50.11736;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -125.22003;
    Float64 geospatial_lon_min -125.22003;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_max "20";
    String geospatial_vertical_min "20";
    String history 
"2022-10-06T17:06:29Z (source database)
2022-10-06T17:06:29Z https://catalogue.hakai.org/erddap/tabledap/HakaiQuadraLimpet5min.html";
    String id "HakaiQuadraLimpet5min";
    String infoUrl "https://www.hakai.org";
    String institution "Hakai Institute";
    String keywords "oxygen, subSurfaceSalinity, subSurfaceTemperature";
    String keywords_fra "oxygène, salinité sous la surface, température sous la surface";
    String language "eng";
    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 measurement_interval "5 minute";
    Float64 Northernmost_Northing 50.11736;
    String platform "fixed benthic node";
    String platform_vocabulary "https://vocab.nerc.ac.uk/collection/L06/current/";
    String publisher_email "data@hakai.org";
    String publisher_name "Hakai Institute";
    String publisher_url "https://www.hakai.org/";
    String site_id "Quadra Limpet";
    String sourceUrl "(source database)";
    Float64 Southernmost_Northing 50.11736;
    String standard_name_vocabulary "CF Standard Name Table v77";
    String summary "The limpet provides real-time data on ocean temperature, conductivity, and dissolved oxygen for the waters off Quadra Island.";
    String summary_fra "La limpet fournit des données en temps réel sur la température de l'océan, la conductivité et l'oxygène dissous pour les eaux au large de l'île Quadra.";
    String title "Provisional Real-Time Hakai Seafloor Observatory in Hyacinthe Bay, Quadra Island, British Columbia, Canada";
    String title_fra "Données en temp réelle et provisoire de l'ibservatoire du fond marin de l'Institut Hakai dans la baie Hyacinthe, île Quadra, Colombie-Britannique, Canada";
    Float64 Westernmost_Easting -125.22003;
  }
}

 

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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