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Dataset Title:  Hydrobios-CTD data collected by the CCGS Amundsen in the Canadian Arctic Subscribe RSS
Institution:  Canadian Cryospheric Information Network   (Dataset ID: ARICE_Amundsen_Hydrobios_CTD_v1)
Range: longitude = -155.8006 to -55.8098°E, latitude = 53.9213 to 81.3599°N, depth = 2.0 to 2064.0m, time = 2003-10-23T17:47:00Z to 2016-09-22T15:47:27Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
Graph Type:  ?
X Axis: 
Y Axis: 
Color: 
-1+1
 
Constraints ? Optional
Constraint #1 ?
Optional
Constraint #2 ?
       
   
- +
       
       
       
       
 
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.")
 
Graph Settings
Marker Type:   Size: 
Color: 
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: (File Type information)
and
or view the URL:
(Documentation / Bypass this form ? )
    Click on the map to specify a new center point. ?
Zoom: 
Time range:    |<   -       
[The graph you specified. Please be patient.]

 

Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 2.0, 2064.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  TEMP {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range -1.85, 11.52;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String ep_parameter_group "Water Temperature";
    String long_name "sea temperature";
    String SDN "SDN:P01::TEMPPR01";
    String source_variable_name "TEMP";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  PSAL {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 35.11;
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 53.9213, 81.3599;
    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 -155.8006, -55.8098;
    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;
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.06693122e+9, 1.474559247e+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";
  }
  depth_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 "depth quality flag";
    String standard_name "depth";
    Int32 units 1;
  }
  TEMP_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 "TEMP quality flag";
    Int32 units 1;
  }
  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;
  }
 }
  NC_GLOBAL {
    String Cast_Number "4";
    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 -55.8098;
    String featureType "Point";
    String geonetwork "https://metadata.arice-h2020.eu/geonetwork/srv/eng/catalog.search#/metadata/a11eac04-c967-4ea2-8ff3-c40ebc75c66f";
    Float64 geospatial_lat_max 81.3599;
    Float64 geospatial_lat_min 53.9213;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -55.8098;
    Float64 geospatial_lon_min -155.8006;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 2064.0;
    Float64 geospatial_vertical_min 2.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2022-06-27T02:04:21Z (local files)
2022-06-27T02:04:21Z https://erddap.emodnet-physics.eu/tabledap/ARICE_Amundsen_Hydrobios_CTD_v1.das";
    String infoUrl "https://metadata.arice-h2020.eu/geonetwork/srv/eng/catalog.search#/metadata/a11eac04-c967-4ea2-8ff3-c40ebc75c66f";
    String Initial_Latitude "74.0978";
    String Initial_Longitude "-103.0458";
    String institution "Canadian Cryospheric Information Network";
    String keywords "data, density, depth, depth_QC, earth, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Salinity, ett, flag, latitude, longitude, ocean, oceans, practical, psal, PSAL_QC, quality, salinity, science, sea, sea_water_practical_salinity, sea_water_temperature, seawater, TEMP, TEMP_QC, temperature, time, title, water";
    String keywords_vocabulary "GCMD Science Keywords";
    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=12717%26fileLoc=/pdc/ipy/12717/CCIN12717_20171201_Amundsen_Hydrobios-CTD_v1.zip";
    String Max_Depth "348.06";
    String Min_Depth "1.98";
    String Net "Net number";
    Float64 Northernmost_Northing 81.3599;
    String Original_Filename "MPS XL_1610_2016-09-22_15-47-26.txt";
    String Pres "Sea Pressure (sea surface - 0) [decibars]";
    String Sal "Salinity (PSS-78) [psu]";
    String Section_Number "2016003";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 53.9213;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "latitude, longitude, time, depth_QC, TEMP_QC, PSAL_QC";
    String summary "The Canadian research icebreaker CCGS Amundsen is equipped with multi-plankton sampler system called Hydrobios. The MultiNet Type Maxi, part of the system, is used for vertical collections. An integrated CTD unit is also integrated to the system and allows recording of the sampled water characteristics. This dataset is composed of CTD profiles and specific data for the volume of water going through the nets during their operation. The Hydrobios was deployed during the Amundsen scientific expeditions in the summer and fall between 2003 and 2019 with the exception of 2004, 2005, 2009, 2011 and 2012, where no data is available. The integrated CTD sensors are from the Hydrobios company itself. The Hydrobios-CTD data were corrected and controlled by comparing them to CTD-Rosette data when available. Outliers and suspicious measurements were removed from the dataset. Variables are provided for every 2 decibars (dbar) between the maximum and minimum pressure recorded for each cast. Research programs participating in the Amundsen expeditions between 2003 and 2016 include CASES, ArcticNet, CFL, Geotraces, Malina, IOL and BP, BREA, Weston, Netcare, JAMSTEC, Statoil, iBO, GreenEdge, BAYSYS and DFO programs. In-situ data belong to and are under the responsibility of the leading Nets scientists while physical and chemical data from the sensors are part of the Amundsen core data collection.";
    String Temp "Temperature (ITS-90) [degrees C]";
    String time_coverage_end "2016-09-22T15:47:27Z";
    String time_coverage_start "2003-10-23T17:47:00Z";
    String title "Hydrobios-CTD data collected by the CCGS Amundsen in the Canadian Arctic";
    Float64 Westernmost_Easting -155.8006;
  }
}

 

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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