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Dataset Title:  ACCESS CTD (Station CB1_P09-W), Line CB1_P09, Station W Subscribe RSS
Institution:  Applied California Current Ecosystem Studies (ACCESS)   (Dataset ID: access-ctd-station-cb1_p09-w)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 time (UTC) ?          2010-05-18T18:57:59Z    2010-05-18T18:58:01Z
  < slider >
 latitude (degrees_north) ?          37.95126    37.95126
  < slider >
 longitude (degrees_east) ?          -123.46277    -123.46277
  < slider >
 z (Altitude, m) ?          -202.0    -2.0
 mass_concentration_of_chlorophyll_a_in_sea_water (microg.L-1) ?          0.9923    7.3021
 sea_water_electrical_conductivity (mS.cm-1) ?          35.51531    37.33364
 omega_aragonite (1) ?          0.5890857481    1.689519057
 mass_concentration_of_oxygen_in_sea_water (mg.L-1) ?          3.50036    8.74795
 fractional_saturation_of_oxygen_in_sea_water (%) ?          37.04898    98.12318
 sea_water_practical_salinity (1e-3) ?          33.2133    34.0375
 sea_water_density (kg.m-3) ?          1025.3678    1026.5
 sea_water_pressure (decibars) ?          2.0153375253    203.6221744768
 sea_water_turbidity (ntu) ?          0.4255    0.6807
 sea_water_temperature (degree_Celsius) ?          8.1204    11.0936
 station ?              
 
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    UInt32 _ChunkSizes 512;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.274209079e+9, 1.274209081e+9;
    String axis "T";
    String calendar "gregorian";
    String cf_role "profile_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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 37.95126, 37.95126;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -123.46277, -123.46277;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  z {
    UInt32 _ChunkSizes 203;
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float64 _FillValue NaN;
    Float64 actual_range -202.0, -2.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Altitude";
    String positive "up";
    String standard_name "altitude";
    String units "m";
  }
  mass_concentration_of_chlorophyll_a_in_sea_water {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 0.9923, 7.3021;
    String id "1074419";
    String ioos_category "Other";
    String long_name "Chlorophyll a Mass Concentration";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "mass_concentration_of_chlorophyll_a_in_sea_water";
    String standard_name "mass_concentration_of_chlorophyll_a_in_sea_water";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/mass_concentration_of_chlorophyll_a_in_sea_water";
    String units "microg.L-1";
  }
  sea_water_electrical_conductivity {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 35.51531, 37.33364;
    String id "1074423";
    String ioos_category "Other";
    String long_name "Conductivity";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "sea_water_electrical_conductivity";
    String standard_name "sea_water_electrical_conductivity";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_electrical_conductivity";
    String units "mS.cm-1";
  }
  omega_aragonite {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 0.5890857481, 1.689519057;
    String id "1074432";
    String ioos_category "Other";
    String long_name "Omega Aragonite";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "Omega_aragonite";
    String standard_name "omega_aragonite";
    String standard_name_url "http://mmisw.org/ont/ioos/OA/Omega_aragonite";
    String units "1";
  }
  mass_concentration_of_oxygen_in_sea_water {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 3.50036, 8.74795;
    String id "1074422";
    String ioos_category "Other";
    String long_name "Dissolved Oxygen Concentration";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "mass_concentration_of_oxygen_in_sea_water";
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/mass_concentration_of_oxygen_in_sea_water";
    String units "mg.L-1";
  }
  fractional_saturation_of_oxygen_in_sea_water {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 37.04898, 98.12318;
    String id "1074428";
    String ioos_category "Other";
    String long_name "Oxygen Saturation";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "fractional_saturation_of_oxygen_in_sea_water";
    String standard_name "fractional_saturation_of_oxygen_in_sea_water";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/fractional_saturation_of_oxygen_in_sea_water";
    String units "%";
  }
  sea_water_practical_salinity {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 33.2133, 34.0375;
    String id "1074427";
    String ioos_category "Other";
    String long_name "Salinity";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "sea_water_practical_salinity";
    String standard_name "sea_water_practical_salinity";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_practical_salinity";
    String units "1e-3";
  }
  sea_water_density {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 1025.3678, 1026.5;
    String id "1074421";
    String ioos_category "Other";
    String long_name "Sea Water Density";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "sea_water_density";
    String standard_name "sea_water_density";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_density";
    String units "kg.m-3";
  }
  sea_water_pressure {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 2.0153375253, 203.6221744768;
    String id "1074425";
    String ioos_category "Other";
    String long_name "Sea Water Pressure";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "sea_water_pressure";
    String standard_name "sea_water_pressure";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_pressure";
    String units "decibars";
  }
  sea_water_turbidity {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 0.4255, 0.6807;
    String id "1074417";
    String ioos_category "Other";
    String long_name "Sea Water Turbidity";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "sea_water_turbidity";
    String standard_name "sea_water_turbidity";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_turbidity";
    String units "ntu";
  }
  sea_water_temperature {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 8.1204, 11.0936;
    String id "1074424";
    String ioos_category "Other";
    String long_name "Water Temperature";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "sea_water_temperature";
    String standard_name "sea_water_temperature";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_temperature";
    String units "degree_Celsius";
  }
  station {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String ioos_code "urn:ioos:station:com.axiomdatascience:120183";
    String long_name "ACCESS CTD (Station CB1_P09-W), Line CB1_P09, Station W";
    String short_name "access-ctd-station-cb1_p09-w";
    String type "fixed";
  }
 }
  NC_GLOBAL {
    String cdm_altitude_proxy "z";
    String cdm_data_type "TimeSeriesProfile";
    String cdm_profile_variables "time";
    String cdm_timeseries_variables "station,longitude,latitude";
    String contributor_email "cencoos_communications@mbari.org,pointblue@pointblue.org,feedback@axiomdatascience.com";
    String contributor_name "Central & Northern California Ocean Observing System (CeNCOOS),Point Blue Conservation Science,Axiom Data Science";
    String contributor_role "contributor,collaborator,processor";
    String contributor_role_vocabulary "NERC";
    String contributor_url "http://cencoos.org/,https://www.pointblue.org/,https://www.axiomdatascience.com";
    String Conventions "IOOS-1.2, CF-1.6, ACDD-1.3, NCCSV-1.1";
    String creator_email "jjahncke@pointblue.org";
    String creator_institution "Applied California Current Ecosystem Studies (ACCESS)";
    String creator_name "Applied California Current Ecosystem Studies (ACCESS)";
    String creator_sector "other";
    String creator_type "institution";
    String creator_url "http://www.accessoceans.org/";
    String defaultDataQuery "sea_water_pressure,mass_concentration_of_chlorophyll_a_in_sea_water,sea_water_density,sea_water_electrical_conductivity,sea_water_turbidity,mass_concentration_of_oxygen_in_sea_water,sea_water_temperature,z,fractional_saturation_of_oxygen_in_sea_water,time,omega_aragonite,sea_water_practical_salinity&time>=max(time)-3days";
    Float64 Easternmost_Easting -123.46277;
    String featureType "TimeSeriesProfile";
    Float64 geospatial_lat_max 37.95126;
    Float64 geospatial_lat_min 37.95126;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -123.46277;
    Float64 geospatial_lon_min -123.46277;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max -2.0;
    Float64 geospatial_vertical_min -202.0;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String history 
"Downloaded from Point Blue Conservation Science at 
2022-11-28T09:23:12Z http://www.accessoceans.org/
2022-11-28T09:23:12Z http://erddap.sensors.ioos.us/erddap/tabledap/access-ctd-station-cb1_p09-w.html";
    Int32 id 120183;
    String infoUrl "https://sensors.ioos.us/#metadata/120183/station";
    String institution "Applied California Current Ecosystem Studies (ACCESS)";
    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 naming_authority "com.axiomdatascience";
    Float64 Northernmost_Northing 37.95126;
    String platform "fixed";
    String platform_name "ACCESS CTD (Station CB1_P09-W), Line CB1_P09, Station W";
    String platform_vocabulary "http://mmisw.org/ont/ioos/platform";
    String processing_level "Level 2";
    String publisher_country "United States";
    String publisher_email "pointblue@pointblue.org";
    String publisher_institution "Point Blue Conservation Science";
    String publisher_name "Point Blue Conservation Science";
    String publisher_sector "nonprofit";
    String publisher_type "institution";
    String publisher_url "https://www.pointblue.org/";
    String references "http://www.accessoceans.org/,,";
    String sourceUrl "http://www.accessoceans.org/";
    Float64 Southernmost_Northing 37.95126;
    String standard_name_vocabulary "CF Standard Name Table v72";
    String station_id "120183";
    String summary "Timeseries data from 'ACCESS CTD (Station CB1_P09-W), Line CB1_P09, Station W' (access-ctd-station-cb1_p09-w)";
    String time_coverage_end "2010-05-18T18:58:01Z";
    String time_coverage_start "2010-05-18T18:57:59Z";
    String title "ACCESS CTD (Station CB1_P09-W), Line CB1_P09, Station W";
    Float64 Westernmost_Easting -123.46277;
  }
}

 

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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