ERDDAP
Easier access to the Hakai Institute data

Data Access Form

Dataset Title:	Water Property Measurements from the Bute Inlet Ocean Observing Station (BIOOS) Wirewalker, Bute Inlet, BC, Canada (Provisional)
Institution:	Hakai Institute (Dataset ID: HakaiWirewalkerProvisional)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Files \| Make a graph

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Variable

Optional
Constraint #1

Optional
Constraint #2

Minimum

or a List of Values

Maximum

serial_number

latitude (degrees_north)

longitude (degrees_east)

time (UTC)

2026-02-04T20:11:08Z

2026-05-07T23:59:50Z

conductivity (mS/cm)

-1.4671166718471795E-4

33.77800160436891

temperature (degree_Celsius)

5.29522705078125

15.370000967523085

pressure (dbar)

10.066974639892578

261.41058349609375

temperature_1 (degree_Celsius)

5.678499698638916

201.4637908935547

dissolved_o2 (umol/L)

-21.632108688354492

1677.7198486328125

cast_id

1944

time_ms (Time (ms), ms)

1770235.0

1.77819839E12

Server-side Functions

distinct()

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File type: (more information)

(Documentation / Bypass this form )

(Please be patient. It may take a while to get the data.)

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  serial_number {
    Float64 actual_range 209760, 209761;
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Serial Number";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 50.5744, 50.5744;
    String axis "Y";
    String description "Fixed latitude of the deployment site";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -124.9009, -124.9009;
    String axis "X";
    String description "Fixed longitude of the deployment site";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.770235868e+9, 1.77819839e+9;
    String axis "T";
    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";
  }
  conductivity {
    Float64 actual_range -1.4671166718471795e-4, 33.77800160436891;
    String ioos_category "Salinity";
    String long_name "Conductivity";
    String standard_name "sea_water_electrical_conductivity";
    String units "mS/cm";
  }
  temperature {
    Float64 actual_range 5.29522705078125, 15.370000967523085;
    String ioos_category "Temperature";
    String long_name "Temperature";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  pressure {
    Float64 actual_range 10.066974639892578, 261.41058349609375;
    String ioos_category "Pressure";
    String long_name "Pressure";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
  temperature_1 {
    Float64 actual_range 5.678499698638916, 201.4637908935547;
    String ioos_category "Temperature";
    String long_name "Temperature 1";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  dissolved_o2 {
    Float64 actual_range -21.632108688354492, 1677.7198486328125;
    String ioos_category "Dissolved O2";
    String long_name "Dissolved O2 Concentration";
    String standard_name "moles_of_oxygen_per_unit_mass_in_sea_water";
    String units "umol/L";
  }
  cast_id {
    Float64 actual_range 1, 1944;
    String ioos_category "Identifier";
    String long_name "Cast ID";
  }
  time_ms {
    Float64 actual_range 1770235.0, 1.77819839e+12;
    String comment 
"##Limitations:
Haven’t applied appropriate QC on the data yet.";
    String ioos_category "Time";
    String long_name "Time (ms)";
    String units "ms";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "serial_number, latitude, longitude";
    String contributor_name "Hakai Institute;Hakai Institute;Evans, Wiley;Albers, Sam;Tula Foundation";
    String contributor_role "publisher;owner,distributor;author;coAuthor,custodian,pointOfContact;funder";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_city "Campbell River";
    String creator_country "Canada";
    String creator_institution "Hakai Institute";
    String creator_name "Hakai Institute";
    String creator_ror "https://ror.org/02pry0c91";
    String creator_type "institution";
    String creator_url "https://www.hakai.org/";
    String date_created "2026-04-27";
    String date_modified "2026-04-27T22:13:10.700Z";
    String defaultDataQuery "&cast_id!=NaN";
    String doi "https://doi.org/10.21966/3q5j-n957";
    Float64 Easternmost_Easting -124.9009;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 50.5744;
    Float64 geospatial_lat_min 50.5744;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -124.9009;
    Float64 geospatial_lon_min -124.9009;
    String geospatial_lon_units "degrees_east";
    String history 
"2026-05-09T22:54:44Z (local files)
2026-05-09T22:54:44Z https://catalogue.hakai.org/erddap/tabledap/HakaiWirewalkerProvisional.html";
    String id "a8671db6-81cc-4c92-b681-58595fe66182";
    String infoUrl "https://catalogue.hakai.org/dataset/ca-cioos_a8671db6-81cc-4c92-b681-58595fe66182";
    String institution "Hakai Institute";
    String keywords "bute-inlet, CIOOS:oxygen, CIOOS:phytoplanktonBiomassAndDiversity, CIOOS:subSurfaceSalinity, CIOOS:subSurfaceTemperature, homalco-territory, marine-productivity, oceanography, oceans, salinity, salish-sea, water temperature, wirewalker";
    String keywords_vocabulary "CIOOS: CIOOS Essential Ocean Variables Vocabulary";
    String license "https://creativecommons.org/licenses/by/4.0";
    String metadata_form "https://hakaiinstitute.github.io/hakai-metadata-entry-form#/en/hakai/3LY8ezYsI9hglwZSsfkAdSBcoEG3/-OqDQ7wqqJtwSgUoAN1g";
    String metadata_link "https://catalogue.hakai.org/dataset/ca-cioos_a8671db6-81cc-4c92-b681-58595fe66182";
    String naming_authority "ca.cioos";
    Float64 Northernmost_Northing 50.5744;
    String platform "moored surface buoy";
    String platform_vocabulary "https://vocab.nerc.ac.uk/collection/L06/current/";
    String progress "onGoing";
    String project "Oceanography";
    String publisher_city "Campbell River";
    String publisher_country "Canada";
    String publisher_email "data@hakai.org";
    String publisher_institution "Hakai Institute";
    String publisher_name "Hakai Institute";
    String publisher_ror "https://ror.org/02pry0c91";
    String publisher_type "institution";
    String publisher_url "https://www.hakai.org/";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 50.5744;
    String standard_name_vocabulary "CF Standard Name Table v79";
    String subsetVariables "serial_number, latitude, longitude";
    String summary "Bute Inlet, a prominent fjord on the British Columbia coast, has been a site for high-resolution oceanographic profiling through the Bute Inlet Ocean Observing Station (BIOOS). A Canadian Pacific Robotic Ocean Observing Facility (C-PROOF) Wirewalker wave-powered profiling instrument is deployed on a mooring in the central fjord, collecting vertical profiles of conductivity, temperature, pressure, and dissolved oxygen concentration. This data contribution consists of provisional measurements spanning the current year and has not undergone full quality control.";
    String time_coverage_end "2026-05-07T23:59:50Z";
    String time_coverage_start "2026-02-04T20:11:08Z";
    String title "Water Property Measurements from the Bute Inlet Ocean Observing Station (BIOOS) Wirewalker, Bute Inlet, BC, Canada (Provisional)";
    Float64 Westernmost_Easting -124.9009;
  }
}

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.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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