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Dataset Title:  TSG data collected by the CCGS Amundsen in the Canadian Arctic Subscribe RSS
Institution:  Canadian Cryospheric Information Network   (Dataset ID: ARICE_Amundsen_TSG_V1)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
   or a List of Values ?
   Maximum ?
 
 latitude (degrees_north) ?          0.0    81.48318
  < slider >
 longitude (degrees_east) ?          -172.57706    0.0
  < slider >
 PSAL (practical salinity, PSU) ?          0.0    34.72
 FLU2 (mg/m3) ?          -0.1    21.82
 SVEL (sound velocity, m/s) ?          0.0    1488.4
 time (Valid Time GMT, UTC) ?          2005-08-22T22:26:00Z    2016-10-05T18:34:00Z
  < slider >
 PSAL_QC (PSAL quality flag, 1) ?      
   - +  ?
 FLU2_QC (FLU2 quality flag, 1) ?      
   - +  ?
 SVEL_QC (SVEL quality flag, 1) ?      
   - +  ?
 
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)

(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 {
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 81.48318;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String latitude_reference_datum "geographical coordinates, WGS84 projection";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range -172.57706, 0.0;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String latitude_reference_datum "geographical coordinates, WGS84 projection";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  PSAL {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 34.72;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ep_parameter_group "Water salinity";
    String long_name "practical salinity";
    String SDN "SDN:P01::PSLTZZ01";
    String source_variable_name "PSAL";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  FLU2 {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range -0.1, 21.82;
    String ep_parameter_group "Water conductivity/ BioGeoChemical";
    String long_name "chlorophyll-a fluorescence";
    String SDN "SDN:P01::CPHLPM01";
    String source_variable_name "FLU2";
    String standard_name "mass_concentration_of_chlorophyll_a_fluorescence_in_sea_water";
    String units "mg/m3";
  }
  SVEL {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 1488.4;
    String ep_parameter_group "Water conductivity/ BioGeoChemical";
    String long_name "sound velocity";
    String SDN "SDN:P01::SVELXXXX";
    String source_variable_name "SVEL";
    String standard_name "speed_of_sound_in_sea_water";
    String units "m/s";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.12474956e+9, 1.47569244e+9;
    String axis "T";
    String calendar "Gregorian";
    String ioos_category "Time";
    String long_name "Valid Time GMT";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  PSAL_QC {
    Int16 _FillValue -32767;
    Int16 actual_range 0, 0;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String flag_meaning "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed not_used nominal_value interpolated_value missing_value";
    String long_name "PSAL quality flag";
    Int32 units 1;
  }
  FLU2_QC {
    Int16 _FillValue -32767;
    Int16 actual_range 0, 0;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String flag_meaning "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed not_used nominal_value interpolated_value missing_value";
    String long_name "FLU2 quality flag";
    Int32 units 1;
  }
  SVEL_QC {
    Int16 _FillValue -32767;
    Int16 actual_range 0, 0;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String flag_meaning "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed not_used nominal_value interpolated_value missing_value";
    String long_name "SVEL quality flag";
    Int32 units 1;
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String contact "pdc@uwaterloo.ca";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String Cruise_Number "Amundsen_2016003";
    String Date "Acquisition date [yyyy/mm/dd]";
    Float64 Easternmost_Easting 0.0;
    String featureType "Point";
    String Final_Latitude "46.8511";
    String Final_Longitude "-71.0152";
    String Fluo "Fluorescence [ug/L]";
    String geonetwork "https://metadata.arice-h2020.eu/geonetwork/srv/eng/catalog.search#/metadata/b48e7870-278d-43fb-b735-1a589c6e2c3d?tab=search";
    Float64 geospatial_lat_max 81.48318;
    Float64 geospatial_lat_min 0.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 0.0;
    Float64 geospatial_lon_min -172.57706;
    String geospatial_lon_units "degrees_east";
    String history 
"2022-06-27T03:17:29Z (local files)
2022-06-27T03:17:29Z https://erddap.emodnet-physics.eu/erddap/tabledap/ARICE_Amundsen_TSG_V1.html";
    String Hour "Acquisition hour [HH:MM:SS]";
    String infoUrl "https://metadata.arice-h2020.eu/geonetwork/srv/eng/catalog.search#/metadata/b48e7870-278d-43fb-b735-1a589c6e2c3d";
    String Initial_Latitude "67.8376";
    String Initial_Longitude "-115.1508";
    String institution "Canadian Cryospheric Information Network";
    String keywords "acoustic, acoustics, amundsen, arctic, canadian, ccgs, chlorophyll, chlorophyll-a, collected, concentration, cryospheric, data, density, earth, Earth Science > Oceans > Ocean Acoustics > Acoustic Velocity, Earth Science > Oceans > Salinity/Density > Salinity, flag, flu2, FLU2_QC, fluorescence, information, latitude, longitude, mass, mass_concentration_of_chlorophyll_a_fluorescence_in_sea_water, network, ocean, oceans, practical, psal, PSAL_QC, quality, salinity, science, sea, sea_water_practical_salinity, seawater, sound, speed, speed_of_sound_in_sea_water, svel, SVEL_QC, time, tsg, velocity, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String lat "Latitude [degrees N]";
    String license "Terms of Use of the Polar Data Catalogue: https://www.polardata.ca/pdcinput/public/termsofuse";
    String link "https://www.polardata.ca/pdcsearch/PDC_Metadata_Data_Download.ccin?action=downloadPDCData%26ccin_ref_number=12715%26fileLoc=/pdc/ipy/12715/CCIN12715_20171124_Amundsen_TSG_V1.zip";
    String long "Longitude [degrees E]";
    Float64 Northernmost_Northing 81.48318;
    String Sal_TSG "Salinity from thermosalinograph SBE45 [psu]";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 0.0;
    String Speed "Vessel speed [Knt]";
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "PSAL_QC, FLU2_QC, SVEL_QC";
    String summary "The Canadian research icebreaker CCGS Amundsen is equipped with an underway ThermoSalinoGraph (TSG) system, which continuously records surface seawater temperature, salinity, fluorescence and sound velocity along the transit route. Quality Assurance/Quality Control (QAQC) data are available for the summer periods between 2005 and 2020, except in 2007, 2008 and 2012 where the system was faulty or the ship was in maintenance. The TSG data were corrected and controlled by comparing them to CTD-Rosette data and in situ measures when available. Outliers and suspicious measurements were removed from the dataset. Variables are provided every 7 minutes. Research programs participating in the Amundsen expeditions between 2005 and 2020 include, ArcticNet, CFL, Geotraces, Malina, IOL and BP, BREA, Weston, Netcare, JAMSTEC, Statoil and iBO, GreenEdge, BAYSYS, Sentinel Nord (BriGHT, BOND), DFO ROV vulnerable marine ecosystem, and the Kitikmeot marine Ecosystem.";
    String Tem_Water "Temperature from sensor SBE38 [°c]";
    String time_coverage_end "2016-10-05T18:34:00Z";
    String time_coverage_start "2005-08-22T22:26:00Z";
    String title "TSG data collected by the CCGS Amundsen in the Canadian Arctic";
    String Vel "Sound velocity from velocity sensor [m/s]";
    Float64 Westernmost_Easting -172.57706;
  }
}

 

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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