ERDDAP > tabledap > Data Access Form

Dataset Title:	ArcticNet 0501c - Beaufort Sea CTD data
Institution:	ArcticNet   (Dataset ID: amundsen449)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Subset | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum    or a List of Values	Maximum
platform_name	!= =~ <= >= = < >		!= =~ <= >= = < >		"Amundsen"
platform_id (Platform WMO ID)	!= =~ <= >= = < >		!= =~ <= >= = < >		7510846
filename (Source File Name)	!= =~ <= >= = < >		!= =~ <= >= = < >		"0501_001.int.nc"	"0501_054.int.nc"
cruise_name	!= =~ <= >= = < >		!= =~ <= >= = < >		""
cruise_number	!= =~ <= >= = < >		!= =~ <= >= = < >		""
cast_number	!= =~ <= >= = < >		!= =~ <= >= = < >		2147483647
station	!= =~ <= >= = < >		!= =~ <= >= = < >		""
time (Initial Start Time, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >
latitude (Initial Latitude, degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >
longitude (Initial Longitude, degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >
PRES (Sea Pressure, decibars)	!= =~ <= >= = < >		!= =~ <= >= = < >		1.0	989.0
depth (m)	!= =~ <= >= = < >		!= =~ <= >= = < >
TE90 (Temperature (ITS-90), degC)	!= =~ <= >= = < >		!= =~ <= >= = < >		-1.742	4.373
PSAL (Practical Salinity, PSU)	!= =~ <= >= = < >		!= =~ <= >= = < >		27.707	34.488
OXYM (Dissolved Oxygen, uM)	!= =~ <= >= = < >		!= =~ <= >= = < >		3.938	9.496
pH (Sea water pH, 1)	!= =~ <= >= = < >		!= =~ <= >= = < >		6.631	16.449
NTRA (Nitrate (NO3-N), mmol/m^3)	!= =~ <= >= = < >		!= =~ <= >= = < >		-2.729	20.61
FLOR (chl-a fluorescence, ug/L)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.04	40.95
CDOM (CDOM fluorescence, mg/m^3)	!= =~ <= >= = < >		!= =~ <= >= = < >
TRAN (Light Transmission, %)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.68	104.0
TURB (Turbidity, FTU)	!= =~ <= >= = < >		!= =~ <= >= = < >
PSAR (Sea Water PAR, uEinsteins/s/m^2)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	380.921
SPAR (Surface PAR, uEinsteins/s/m^2)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	922.459
SIGT (Sigma-T, kg/m^3)	!= =~ <= >= = < >		!= =~ <= >= = < >		22.048	27.637

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" platform_name platform_id filename cruise_name cruise_number cast_number station time latitude longitude PRES depth TE90 PSAL OXYM pH NTRA FLOR CDOM TRAN TURB PSAR SPAR SIGT platform_name platform_id filename cruise_name cruise_number cast_number station time latitude longitude PRES depth TE90 PSAL OXYM pH NTRA FLOR CDOM TRAN TURB PSAR SPAR SIGT platform_name platform_id filename cruise_name cruise_number cast_number station time latitude longitude PRES depth TE90 PSAL OXYM pH NTRA FLOR CDOM TRAN TURB PSAR SPAR SIGT platform_name platform_id filename cruise_name cruise_number cast_number station time latitude longitude PRES depth TE90 PSAL OXYM pH NTRA FLOR CDOM TRAN TURB PSAR SPAR SIGT platform_name platform_id filename cruise_name cruise_number cast_number station time latitude longitude PRES depth TE90 PSAL OXYM pH NTRA FLOR CDOM TRAN TURB PSAR SPAR SIGT ")

File type: (more information) .ncCFMA - Download a NetCDF-3 CF Discrete Sampling Geometries file (Multidimensional Array). .mat - Download a MATLAB binary file. .json - View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). .wav - Download a .wav audio file. All columns must be numeric and of the same type. .kml - View a .kml file, suitable for Google Earth. .ncoJson - Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. .jsonlCSV1 - View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .nccsv - Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. .htmlTable - View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. .esriCsv - Download a ISO_8859_1 .csv file for ESRI's ArcGIS 9.x and below (separate date and time columns). .geoJson - Download longitude,latitude,otherColumns data as a UTF-8 GeoJSON .json file. .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .transparentPng - View a .png image file (just the data, without axes, landmask, or legend). .parquetWMeta - Download as a parquet file with detailed metadata. .tsv - Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). .png - View a standard, medium-sized .png image file with a graph or map. .largePdf - View a large .pdf image file with a graph or map. .dods - OPeNDAP clients use this to download the data in the DODS binary format. .iso19115 - View the dataset's ISO 19115/19139 UTF-8 .xml metadata using the version default for this server. .ncCFHeader - View the UTF-8 header (the metadata) for the .ncCF file. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .jsonlKVP - View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). .croissant - Download the dataset croissant schema. .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .largePng - View a large .png image file with a graph or map. .nc - Download a flat, table-like, NetCDF-3 binary file with COARDS/CF/ACDD metadata. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .dds - View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .smallPdf - View a small .pdf image file with a graph or map. .xhtml - View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. .dataTable - A JSON file formatted for use with the Google Visualization client library (Google Charts). .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .nccsvMetadata - View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. .odvTxt - Download longitude,latitude,time,otherColumns as an ISO-8859-1 ODV Generic Spreadsheet File (.txt). .ncCF - Download a NetCDF-3 CF Discrete Sampling Geometries file (Contiguous Ragged Array). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .itx - Download an ISO-8859-1 Igor Text File. Each response column becomes a wave. .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .ncCFMAHeader - View the UTF-8 header (the metadata) for the .ncCFMA file. .smallPng - View a small .png image file with a graph or map. .parquet - Download as a parquet file. Metadata contains column names ("column_names") and units ("column_units").

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  platform_name {
    String actual_range 
"Amundsen
Amundsen";
    String long_name "Platform Name";
    String standard_name "platform_name";
  }
  platform_id {
    Int32 _FillValue 2147483647;
    Int32 actual_range 7510846, 7510846;
    String long_name "Platform WMO ID";
    String standard_name "platform_id";
  }
  filename {
    String cf_role "profile_id";
    String long_name "Source File Name";
  }
  cruise_name {
    String long_name "Cruise Name";
  }
  cruise_number {
    String long_name "Cruise Number";
  }
  cast_number {
    Int32 _FillValue 2147483647;
    String long_name "Cast Number";
  }
  station {
    String long_name "Station";
  }
  time {
    String _CoordinateAxisType "Time";
    String axis "T";
    String ioos_category "Time";
    String long_name "Initial Start 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";
    String axis "Y";
    String ioos_category "Location";
    String long_name "Initial Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    String axis "X";
    String ioos_category "Location";
    String long_name "Initial Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  PRES {
    Float64 _FillValue NaN;
    Float64 actual_range 1.0, 989.0;
    String alternative_label "Pres_Z";
    String coords "True";
    String long_name "Sea Pressure";
    String sdn_parameter_name "Pressure (spatial coordinate) exerted by the water body by profiling pressure sensor and correction to read zero at sea level";
    String sdn_parameter_urn "SDN:P01::PRESPR01";
    String sdn_uom_name "Decibars";
    String sdn_uom_urn "SDN:P06::UPDB";
    String standard_name "sea_water_pressure_due_to_sea_water";
    String units "decibars";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    Float64 missing_values NaN;
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  TE90 {
    Float64 _FillValue NaN;
    Float64 actual_range -1.742, 4.373;
    String alternative_label "CTDTmp90";
    String long_name "Temperature (ITS-90)";
    String sdn_parameter_name "Temperature (ITS-90) of the water body by CTD or STD";
    String sdn_parameter_urn "SDN:P01::TEMPS901";
    String sdn_uom_name "Degrees Celsius";
    String sdn_uom_urn "SDN:P06::UPAA";
    String standard_name "sea_water_temperature";
    String units "degC";
  }
  PSAL {
    Float64 _FillValue NaN;
    Float64 actual_range 27.707, 34.488;
    String alternative_label "P_sal_CTD";
    String long_name "Practical Salinity";
    String sdn_parameter_name "Practical salinity of the water body by CTD and computation using UNESCO 1983 algorithm";
    String sdn_parameter_urn "SDN:P01::PSALST01";
    String sdn_uom_name "Practical salinity units";
    String sdn_uom_urn "SDN:P06::PSUX";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  OXYM {
    Float64 _FillValue NaN;
    Float64 actual_range 3.938, 9.496;
    String alternative_label "WC_dissO2_IS";
    String long_name "Dissolved Oxygen";
    String sdn_parameter_name "Concentration of oxygen {O2 CAS 7782-44-7} per unit volume of the water body [dissolved plus reactive particulate phase] by in-situ sensor";
    String sdn_parameter_urn "SDN:P01::DOXYZZ01";
    String sdn_uom_name "Micromoles per litre";
    String sdn_uom_urn "SDN:P06::UPOX";
    String standard_name "mole_concentration_of_dissolved_molecular_oxygen_in_sea_water";
    String units "uM";
  }
  pH {
    Float64 _FillValue NaN;
    Float64 actual_range 6.631, 16.449;
    String long_name "Sea water pH";
    Float64 missing_values NaN;
    String sdn_parameter_name "pH (total scale) {pH[T]} of the water body";
    String sdn_parameter_urn "SDN:P01::PHMASSXX";
    String sdn_uom_name "pH units";
    String sdn_uom_urn "SDN:P06::UUPH";
    String standard_name "sea_water_ph_reported_on_total_scale";
    String units "1";
  }
  NTRA {
    Float64 _FillValue NaN;
    Float64 actual_range -2.729, 20.61;
    String long_name "Nitrate (NO3-N)";
    String sdn_parameter_name "Concentration of nitrate {NO3- CAS 14797-55-8} per unit volume of the water body [unknown phase]";
    String sdn_parameter_urn "SDN:P01::NTRAZZXX";
    String sdn_uom_name "Millimoles per cubic metre";
    String sdn_uom_urn "SDN:P06::MMCM";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
    String units "mmol/m^3";
  }
  FLOR {
    Float64 _FillValue NaN;
    Float64 actual_range 0.04, 40.95;
    String alternative_label "chla_water_ISfluor";
    String long_name "chl-a fluorescence";
    Float64 missing_values NaN;
    String sdn_parameter_name "Concentration of chlorophyll-a {chl-a CAS 479-61-8} per unit volume of the water body [particulate >unknown phase] by in-situ chlorophyll fluorometer";
    String sdn_parameter_urn "SDN:P01::CPHLPR01";
    String sdn_uom_name "Micrograms per litre";
    String sdn_uom_urn "SDN:P06::UGPL";
    String standard_name "mass_concentration_of_chlorophyll_a_in_sea_water";
    String units "ug/L";
  }
  CDOM {
    String alternative_label "CDOM_fluor_WETLabs";
    String long_name "CDOM fluorescence";
    Float64 missing_values NaN;
    String sdn_uom_name "Milligrams per cubic metre";
    String sdn_uom_urn "SDN:P06::UMMC";
    String standard_name "concentration_of_colored_dissolved_organic_matter_in_sea_water_expressed_as_equivalent_mass_fraction_of_quinine_sulfate_dihydrate";
    String units "mg/m^3";
  }
  TRAN {
    Float64 _FillValue NaN;
    Float64 actual_range 0.68, 104.0;
    String alternative_label "Trans_Red_25cm";
    String long_name "Light Transmission";
    String sdn_parameter_name "Transmittance (red light wavelength) per 25cm of the water body by 25cm path length red light transmissometer";
    String sdn_parameter_urn "SDN:P01::POPTDR01";
    String sdn_uom_name "Percent";
    String sdn_uom_urn "SDN:P06::UPCT";
    String units "%";
  }
  TURB {
    String alternative_label "Turbidity";
    String long_name "Turbidity";
    Float64 missing_values NaN;
    String sdn_parameter_name "Turbidity of water in the water body";
    String sdn_parameter_urn "SDN:P01::TURBXXXX";
    String sdn_uom_name "Formazin Nephelometric Units";
    String sdn_uom_urn "SDN:P06::UFNU";
    String standard_name "sea_water_turbidity";
    String units "FTU";
  }
  PSAR {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 380.921;
    String alternative_label "SubsurVPAR";
    String long_name "Sea Water PAR";
    String sdn_parameter_name "Downwelling vector irradiance as photons of electromagnetic radiation (PAR wavelengths) in the water body by cosine-collector radiometer";
    String sdn_parameter_urn "SDN:P01::IRRDUV01";
    String sdn_uom_name "MicroEinsteins per square metre per second";
    String sdn_uom_urn "SDN:P06::UMES";
    String standard_name "downwelling_photosynthetic_photon_flux_in_sea_water";
    String units "uEinsteins/s/m^2";
  }
  SPAR {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 922.459;
    String alternative_label "SurfVPAR";
    String long_name "Surface PAR";
    String sdn_parameter_name "Downwelling vector irradiance as photons of electromagnetic radiation (PAR wavelengths) in the atmosphere by cosine-collector radiometer";
    String sdn_parameter_urn "SDN:P01::IRRDSV01";
    String sdn_uom_name "MicroEinsteins per square metre per second";
    String sdn_uom_urn "SDN:P06::UMES";
    String standard_name "surface_downwelling_photosynthetic_photon_flux_in_sea_water";
    String units "uEinsteins/s/m^2";
  }
  SIGT {
    Float64 _FillValue NaN;
    Float64 actual_range 22.048, 27.637;
    String alternative_label "SigmaT";
    String long_name "Sigma-T";
    String sdn_parameter_name "Sigma-T of the water body by computation from salinity and temperature using UNESCO algorithm";
    String sdn_parameter_urn "SDN:P01::SIGTEQST";
    String sdn_uom_name "Kilograms per cubic metre";
    String sdn_uom_urn "SDN:P06::UKMC";
    String standard_name "sea_water_sigma_t";
    String units "kg/m^3";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Profile";
    String cdm_profile_variables "filename,platform_name,platform_id,cruise_name,cruise_number,cast_number,station,time,latitude,longitude";
    String comment 
"##Limitations:
Purpose: The physical data are one of the tools used to characterize the water masses and, to some extent, the water circulation in the Beaufort Sea.

 Supplemental Information: Summary: Not Applicable Research Program(s): ArcticNet. For further information: pdc@arcticnet.ulaval.ca";
    String contributor_name "Yves, Gratton;Pascal, Guillot;Véronique, Lago;Marie-Emmanuelle, Rail;Annie, Simard;ArcticNet;Amundsen Science;Amundsen Science";
    String contributor_role "principalInvestigator;originator;collaborator;collaborator;collaborator;pointOfContact,owner,distributor;owner,distributor;pointOfContact,custodian";
    String Conventions "COARDS,ACDD-1.3,CF-1.6,CF-1.7,CF-1.8,CF-1.9";
    String creator_city "Québec";
    String creator_country "Canada";
    String creator_email "pdc@arcticnet.ulaval.ca";
    String creator_institution "ArcticNet";
    String creator_name "ArcticNet";
    String creator_type "institution";
    String creator_url "amundsenscience.com";
    String date_created "2024-06-26";
    String date_modified "2024-06-26T00:00:00Z";
    String doi "https://doi.org/10.5884/449";
    String featureType "Profile";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-12-14T18:01:25Z (local files)
2025-12-14T18:01:25Z https://erddap.amundsenscience.com/erddap/tabledap/amundsen449.html";
    String id "ccin-449";
    String infoUrl "https://catalogue.hakai.org/dataset/ca-cioos_None";
    String institution "ArcticNet";
    String keywords "ArcticNet, Beaufort Sea, Beaufort Sea (CGNDB ID: LACKU), CIOOS:oceanColour, CIOOS:oceanSurfaceHeatFlux, CIOOS:oxygen, CIOOS:particulateMatter, CIOOS:subSurfaceSalinity, CIOOS:subSurfaceTemperature, Conductivity, CTD profiles, Fluorescence, Nitrates, Oxygen, Photosynthetically available radiation (PAR), Salinity, Temperature, Transmittance";
    String keywords_vocabulary "CIOOS: CIOOS Essential Ocean Variables Vocabulary";
    String license "https://creativecommons.org/licenses/by/4.0";
    String metadata_form "https://cioos-siooc.github.io/metadata-entry-form#/en/amundsen/c8GqCtwH6sZnf3HtZhCgkOsmtoh1/ccin-449";
    String metadata_link "https://doi.org/10.5884/449";
    String naming_authority "ca.cioos";
    String pdc_ccin "449";
    String platform "ship";
    String platform_vocabulary "https://vocab.nerc.ac.uk/collection/L06/current/";
    String product_version "1.0";
    String progress "completed";
    String project "ArcticNet";
    String publisher_city "Quebec City";
    String publisher_country "Canada";
    String publisher_email "amundsen.data@as.ulaval.ca";
    String publisher_institution "Amundsen Science";
    String publisher_name "Amundsen Science";
    String publisher_ror "https://ror.org/02s3xv195";
    String publisher_type "institution";
    String publisher_url "https://amundsenscience.com";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v79";
    String subsetVariables "platform_name,platform_id,cruise_name,cruise_number,cast_number,station";
    String summary 
"The CTD data was obtained during the 2005 ArcticNet scientific cruise #0501. The data were collected from September 1 to 14, 2005, aboard the CCGS Amundsen. There were 62 casts, associated to 30 oceanographic stations, in the Beaufort Sea. \r
\r
The following parameters were measured: temperature, conductivity and pressure (with a Sea-Bird SBE-9plus), oxygen (Sea-Bird 43), pH (Seabird 18), fluorescence (Seapoint fluorometer), nitrates (Satlantic MBARI ISUS), transmittance (Wetlabs C-Star transmissometer), PAR/Irradiance and SPAR/Irradiance (Biospherical Instruments QC2300). Data were quality controlled. Data are available on the Polar Data Catalogue and at the Marine Environmental Data Service (MEDS) of Fisheries and Oceans Canada.";
    String title "ArcticNet 0501c - Beaufort Sea CTD data";
  }
}

 

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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 Data Access Protocol (DAP) and its selection constraints.

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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