ERDDAP > tabledap > Data Access Form

Dataset Title:	CTD (DOWNCAST) LB21 ARCTIC Cruise Italian Arctic project CASSANDRA
Institution:	OGS   (Dataset ID: ctd_cassandra_downcast_tlyt0q)
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
Cruise	!= =~ <= >= = < >		!= =~ <= >= = < >		"LB21_CASSANDRA"
Project	!= =~ <= >= = < >		!= =~ <= >= = < >		"PRA CASSANDRA"
Originator	!= =~ <= >= = < >		!= =~ <= >= = < >		"2245"	"mb pm pg"
Ship	!= =~ <= >= = < >		!= =~ <= >= = < >		"Laura Bassi"
Station	!= =~ <= >= = < >		!= =~ <= >= = < >		1	46
Cast_Type	!= =~ <= >= = < >		!= =~ <= >= = < >		"CTD downcast"
Type	!= =~ <= >= = < >		!= =~ <= >= = < >		"C"
time (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2021-09-02T08:50:23Z	2021-09-10T01:32:09Z
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		74.9975	75.0005
Bot_Depth (Bot Depth [m], m)	!= =~ <= >= = < >		!= =~ <= >= = < >		218	3707
Pressure_Digiquartz (db)	!= =~ <= >= = < >		!= =~ <= >= = < >		2	3771
Temperature (degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-1.548	8.703
Temperature_2 (degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-1.549	8.703
Conductivity_1 (Sm-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		2.443	3.671
Conductivity_2 (Sm-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		2.442	3.671
Salinity_Practical_1 (PSU)	!= =~ <= >= = < >		!= =~ <= >= = < >		29.749	35.483
Salinity_Practical_2 (PSU)	!= =~ <= >= = < >		!= =~ <= >= = < >		29.745	36.749
Dissolved_Oxygen_SBE_43 (mll-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		6.212	9.01
Fluorescence_WET_Labs_ECO_AFL_FL (mgm-3)	!= =~ <= >= = < >		!= =~ <= >= = < >		-0.058	3.952
Turbidity_WET_Labs_ECO (NTU)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.031	9.782

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" Cruise Project Originator Ship Station Cast_Type Type time longitude latitude Bot_Depth Pressure_Digiquartz Temperature Temperature_2 Conductivity_1 Conductivity_2 Salinity_Practical_1 Salinity_Practical_2 Dissolved_Oxygen_SBE_43 Fluorescence_WET_Labs_ECO_AFL_FL Turbidity_WET_Labs_ECO Cruise Project Originator Ship Station Cast_Type Type time longitude latitude Bot_Depth Pressure_Digiquartz Temperature Temperature_2 Conductivity_1 Conductivity_2 Salinity_Practical_1 Salinity_Practical_2 Dissolved_Oxygen_SBE_43 Fluorescence_WET_Labs_ECO_AFL_FL Turbidity_WET_Labs_ECO Cruise Project Originator Ship Station Cast_Type Type time longitude latitude Bot_Depth Pressure_Digiquartz Temperature Temperature_2 Conductivity_1 Conductivity_2 Salinity_Practical_1 Salinity_Practical_2 Dissolved_Oxygen_SBE_43 Fluorescence_WET_Labs_ECO_AFL_FL Turbidity_WET_Labs_ECO Cruise Project Originator Ship Station Cast_Type Type time longitude latitude Bot_Depth Pressure_Digiquartz Temperature Temperature_2 Conductivity_1 Conductivity_2 Salinity_Practical_1 Salinity_Practical_2 Dissolved_Oxygen_SBE_43 Fluorescence_WET_Labs_ECO_AFL_FL Turbidity_WET_Labs_ECO Cruise Project Originator Ship Station Cast_Type Type time longitude latitude Bot_Depth Pressure_Digiquartz Temperature Temperature_2 Conductivity_1 Conductivity_2 Salinity_Practical_1 Salinity_Practical_2 Dissolved_Oxygen_SBE_43 Fluorescence_WET_Labs_ECO_AFL_FL Turbidity_WET_Labs_ECO ")

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

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  Cruise {
    String long_name "Cruise";
  }
  Project {
    String long_name "Project";
  }
  Originator {
    String long_name "Originator";
  }
  Ship {
    String long_name "Ship";
  }
  Station {
    Int32 _FillValue 127;
    Int32 actual_range 1, 46;
    String cf_role "timeseries_id";
    String long_name "Station";
  }
  Cast_Type {
    String long_name "Cast Type";
  }
  Type {
    String long_name "Type";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.630572623e+9, 1.631237529e+9;
    String axis "T";
    String cf_role "profile_id";
    String ioos_category "Time";
    String long_name "TIME [yyyy-mm-dd Thh:mm:ss]";
    String source_name "TIME [yyyy-mm-ddThh:mm:ss]";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00Z";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    String axis "X";
    String colorBarMaximum "180.0";
    String colorBarMinimum "-180.0";
    String ioos_category "Location";
    String long_name "Longitude";
    String source_name "Longitude [degrees_east ]";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 74.9975, 75.0005;
    String axis "Y";
    String colorBarMaximum "90.0";
    String colorBarMinimum "-90.0";
    String ioos_category "Location";
    String long_name "Latitude";
    String source_name "Latitude [degrees_north]";
    String standard_name "latitude";
    String units "degrees_north";
  }
  Bot_Depth {
    String _CoordinateAxisType "Height";
    Int32 _FillValue 32767;
    Int32 actual_range 218, 3707;
    String axis "Z";
    String long_name "Bot Depth [m]";
    String standard_name "depth";
    String units "m";
  }
  Pressure_Digiquartz {
    Int32 _FillValue 32767;
    Int32 actual_range 2, 3771;
    String long_name "Pressure Digiquartz";
    String units "db";
  }
  Temperature {
    Float32 actual_range -1.548, 8.703;
    String long_name "Temperature [ITS-90. Deg C]";
    String units "degree_C";
  }
  Temperature_2 {
    Float32 actual_range -1.549, 8.703;
    String long_name "Temperature. 2 [ITS-90. Deg C]";
    String units "degree_C";
  }
  Conductivity_1 {
    Float32 _FillValue NaN;
    Float32 actual_range 2.443, 3.671;
    String colorBarMaximum "40.0";
    String colorBarMinimum "30.0";
    String long_name "Sea Water Electrical Conductivity";
    String standard_name "sea_water_electrical_conductivity";
    String units "Sm-1";
  }
  Conductivity_2 {
    Float32 _FillValue NaN;
    Float32 actual_range 2.442, 3.671;
    String colorBarMaximum "40.0";
    String colorBarMinimum "30.0";
    String long_name "Sea Water Electrical Conductivity";
    String standard_name "sea_water_electrical_conductivity";
    String units "Sm-1";
  }
  Salinity_Practical_1 {
    Float32 _FillValue NaN;
    Float32 actual_range 29.749, 35.483;
    String colorBarMaximum "37.0";
    String colorBarMinimum "32.0";
    String long_name "Sea Water Practical Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  Salinity_Practical_2 {
    Float32 _FillValue NaN;
    Float32 actual_range 29.745, 36.749;
    String colorBarMaximum "37.0";
    String colorBarMinimum "32.0";
    String long_name "Sea Water Practical Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  Dissolved_Oxygen_SBE_43 {
    Float32 _FillValue NaN;
    Float32 actual_range 6.212, 9.01;
    String long_name "Dissolved Oxygen SBE 43 [ml/l]";
    String units "mll-1";
  }
  Fluorescence_WET_Labs_ECO_AFL_FL {
    Float32 actual_range -0.058, 3.952;
    String long_name "Fluorescence WET Labs ECO AFL FL";
    String units "mgm-3";
  }
  Turbidity_WET_Labs_ECO {
    Float32 actual_range 0.031, 9.782;
    String long_name "Turbidity WET Labs ECO [NTU]";
    String units "NTU";
  }
 }
  NC_GLOBAL {
    String cdm_altitude_proxy "Bot_Depth";
    String cdm_data_type "TimeSeriesProfile";
    String cdm_profile_variables "time";
    String cdm_timeseries_variables "Station,latitude,longitude";
    String contributor_email "mbensi@ogs.it";
    String contributor_institution "OGS";
    String contributor_name "Manuel Bensi";
    String Conventions "COARDS, CF-1.10, ACDD-1.3";
    String creator_email "mbensi@ogs.it";
    String creator_name "Manuel Bensi";
    String creator_type "institution";
    String creator_url "https://ogs.it";
    String featureType "TimeSeriesProfile";
    Float64 geospatial_lat_max 75.0005;
    Float64 geospatial_lat_min 74.9975;
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_units "degrees_east";
    String history 
"dataset history
2024-10-31T20:25:33Z (local files)
2024-10-31T20:25:33Z https://data.iadc.cnr.it/erddap/tabledap/ctd_cassandra_downcast_tlyt0q.html";
    String infoUrl "https://metadata.iadc.cnr.it/geonetwork/srv/api/records/c082c3ca-40bf-42b1-a61a-7b3697ab2c5a";
    String institution "OGS";
    String keywords "bot, Bot_Depth, cassandra, cast, Cast_Type, conductivity, Conductivity_1, Conductivity_2, cruise, ctd, data, density, depth, digiquartz, dissolved, Dissolved_Oxygen_SBE_43, downcast, earth, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Salinity, eco, electrical, Fluorescence_WET_Labs_ECO_AFL_FL, its, its-90, labs, latitude, longitude, m^3, ml/l, nephelometric, ntu, O2, ocean, oceans, ogs, originator, oxygen, practical, pressure, Pressure_Digiquartz, project, salinity, Salinity_Practical_1, Salinity_Practical_2, sbe, science, sea, sea_water_electrical_conductivity, sea_water_practical_salinity, seawater, ship, sonde, station, temperature, Temperature_2, thh, time, turbidity, Turbidity_WET_Labs_ECO, type, units, water, wet, yyyy, yyyy-mm-dd";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC BY-NC: This license allows reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creator.";
    Float64 Northernmost_Northing 75.0005;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 74.9975;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "Cruise, Project, Ship, Cast_Type, Type";
    String summary "Conductivity, Temperature, Depth (CTD), Salinity, Dissolved Oxygen, Fluorescence, and Turbidity. Vertical profiles averaged every 1 meter along the zonal transect at 75°N. Project PRA CASSANDRA. Italian National Research Council - Institute of Polar Sciences data from a local source. Data originator is the National Institute of Oceanography and Applied Geophysics, OGS, Trieste, Italy.";
    String time_coverage_end "2021-09-10T01:32:09Z";
    String time_coverage_start "2021-09-02T08:50:23Z";
    String title "CTD (DOWNCAST) LB21 ARCTIC Cruise Italian Arctic project CASSANDRA";
  }
}

 

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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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