ERDDAP > tabledap > Data Access Form

Dataset Title:	Polarstern - 06AQ20201001
Institution:	ICOS RI; Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven   (Dataset ID: nH_R2I8L2LXDX7w3cxAj3Jph)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
time (Date/Time, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2020-10-01T00:01:47.000Z	2020-10-05T06:14:33.000Z
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		4.167	15.257
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		76.789	80.957
depth (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		11.0	11.0
TEMPPR01 (degree_Celsius)	!= =~ <= >= = < >		!= =~ <= >= = < >		-0.31	7.136
PSLTZZ01 (Sea Water Salinity, 1)	!= =~ <= >= = < >		!= =~ <= >= = < >		31.781	34.985
TEMPEQMN (degree_Celsius)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.39	7.6
PRES00EQ (Equilibrator Pressure, hPa)	!= =~ <= >= = < >		!= =~ <= >= = < >		1016.43	1030.04
xCO2_water_equi_temp_dry (umol/mol)	!= =~ <= >= = < >		!= =~ <= >= = < >		282.455	365.465
PCO2XXXX (water pCO2 wet using sst, uatm)	!= =~ <= >= = < >		!= =~ <= >= = < >		274.523	357.157
FCO2XXXX (water fCO2 wet using sst, uatm)	!= =~ <= >= = < >		!= =~ <= >= = < >		273.319	355.718
xCO2_atm_dry (xCO2 in air, umol/mol)	!= =~ <= >= = < >		!= =~ <= >= = < >
ACO2XXXX (pCO2 in air, uatm)	!= =~ <= >= = < >		!= =~ <= >= = < >		405.241	549.506
FCO2WTAT (fCO2 in air, uatm)	!= =~ <= >= = < >		!= =~ <= >= = < >		403.534	547.259
expocode	!= =~ <= >= = < >		!= =~ <= >= = < >		"06AQ20201001"	"06AQ20201001"

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" time longitude latitude depth TEMPPR01 PSLTZZ01 TEMPEQMN PRES00EQ xCO2_water_equi_temp_dry PCO2XXXX FCO2XXXX xCO2_atm_dry ACO2XXXX FCO2WTAT expocode time longitude latitude depth TEMPPR01 PSLTZZ01 TEMPEQMN PRES00EQ xCO2_water_equi_temp_dry PCO2XXXX FCO2XXXX xCO2_atm_dry ACO2XXXX FCO2WTAT expocode time longitude latitude depth TEMPPR01 PSLTZZ01 TEMPEQMN PRES00EQ xCO2_water_equi_temp_dry PCO2XXXX FCO2XXXX xCO2_atm_dry ACO2XXXX FCO2WTAT expocode time longitude latitude depth TEMPPR01 PSLTZZ01 TEMPEQMN PRES00EQ xCO2_water_equi_temp_dry PCO2XXXX FCO2XXXX xCO2_atm_dry ACO2XXXX FCO2WTAT expocode time longitude latitude depth TEMPPR01 PSLTZZ01 TEMPEQMN PRES00EQ xCO2_water_equi_temp_dry PCO2XXXX FCO2XXXX xCO2_atm_dry ACO2XXXX FCO2WTAT expocode ")

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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.601510507e+9, 1.601878473e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Date/Time";
    String source_name "Date/Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00.000Z";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 4.167, 15.257;
    String axis "X";
    Float32 colorBarMaximum 180.0;
    Float32 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String source_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 76.789, 80.957;
    String axis "Y";
    Float32 colorBarMaximum 90.0;
    Float32 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String source_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 11.0, 11.0;
    String axis "Z";
    Float32 colorBarMaximum 15.0;
    Float32 colorBarMinimum 0.0;
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String source_name "Depth [m]";
    String standard_name "depth";
    String units "m";
  }
  TEMPPR01 {
    Float32 _FillValue NaN;
    Float32 actual_range -0.31, 7.136;
    Float32 colorBarMaximum 40.0;
    Float32 colorBarMinimum -5.0;
    String ioos_category "Temperature";
    String long_name "Sea Water Temperature";
    String source_name "Temp [degC]";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  PSLTZZ01 {
    Float32 _FillValue NaN;
    Float32 actual_range 31.781, 34.985;
    Float32 colorBarMaximum 38.0;
    Float32 colorBarMinimum 0.0;
    String ioos_category "Salinity";
    String long_name "Sea Water Salinity";
    String source_name "P_sal [psu]";
    String standard_name "sea_water_salinity";
    String units "1";
  }
  TEMPEQMN {
    Float32 _FillValue NaN;
    Float32 actual_range 0.39, 7.6;
    Float32 colorBarMaximum 40.0;
    Float32 colorBarMinimum 0.0;
    String ioos_category "Temperature";
    String long_name "Equilibrator Temperature";
    String source_name "Temperature of Equilibration [degC]";
    String standard_name "temperature_of_analysis_of_sea_water";
    String units "degree_Celsius";
  }
  PRES00EQ {
    Float32 _FillValue NaN;
    Float32 actual_range 1016.43, 1030.04;
    Float32 colorBarMaximum 1020.0;
    Float32 colorBarMinimum 980.0;
    String ioos_category "Pressure";
    String long_name "Equilibrator Pressure";
    String source_name "Equilibrator Pressure";
    String units "hPa";
  }
  xCO2_water_equi_temp_dry {
    Float32 _FillValue NaN;
    Float32 actual_range 282.455, 365.465;
    Float32 colorBarMaximum 1200.0;
    Float32 colorBarMinimum 350.0;
    String ioos_category "CO2";
    String long_name "water xCO2 dry using equi temp";
    String source_name "xCO2 In Water - Calibrated In Dry Air [umol mol-1]";
    String standard_name "mole_fraction_of_carbon_dioxide_in_sea_water";
    String units "umol/mol";
  }
  PCO2XXXX {
    Float32 _FillValue NaN;
    Float32 actual_range 274.523, 357.157;
    Float32 colorBarMaximum 1200.0;
    Float32 colorBarMinimum 350.0;
    String ioos_category "CO2";
    String long_name "water pCO2 wet using sst";
    String source_name "pCO2 [uatm]";
    String standard_name "surface_partial_pressure_of_carbon_dioxide_in_sea_water";
    String units "uatm";
  }
  FCO2XXXX {
    Float32 _FillValue NaN;
    Float32 actual_range 273.319, 355.718;
    Float32 colorBarMaximum 1200.0;
    Float32 colorBarMinimum 350.0;
    String ioos_category "CO2";
    String long_name "water fCO2 wet using sst";
    String source_name "fCO2 [uatm]";
    String standard_name "fugacity_of_carbon_dioxide_in_sea_water";
    String units "uatm";
  }
  xCO2_atm_dry {
    Float32 _FillValue NaN;
    Float32 colorBarMaximum 1200.0;
    Float32 colorBarMinimum 350.0;
    String ioos_category "CO2";
    String long_name "xCO2 in air";
    String source_name "xCO2 In Atmosphere - Calibrated In Dry Air[mol mol - 1]";
    String standard_name "mole_fraction_of_carbon_dioxide_in_air";
    String units "umol/mol";
  }
  ACO2XXXX {
    Float32 _FillValue NaN;
    Float32 actual_range 405.241, 549.506;
    Float32 colorBarMaximum 1200.0;
    Float32 colorBarMinimum 350.0;
    String ioos_category "CO2";
    String long_name "pCO2 in air";
    String source_name "pCO2 in atmosphere [uatm]";
    String standard_name "surface_partial_pressure_of_carbon_dioxide_in_air";
    String units "uatm";
  }
  FCO2WTAT {
    Float32 _FillValue NaN;
    Float32 actual_range 403.534, 547.259;
    Float32 colorBarMaximum 1200.0;
    Float32 colorBarMinimum 350.0;
    String ioos_category "CO2";
    String long_name "fCO2 in air";
    String source_name "fCO2 in atmosphere [uatm]";
    String units "uatm";
  }
  expocode {
    String cf_role "trajectory_id";
    String ioos_category "Unknown";
    String long_name "EXPOCODE";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "expocode";
    String citation "Hoppema, M., van Heuven, S., Roden, N. (2025). ICOS OTC SOOP Release from Polarstern, 2020-10-01–2020-10-05, ICOS RI, https://hdl.handle.net/11676/nH_R2I8L2LXDX7w3cxAj3Jph";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    Float64 Easternmost_Easting 15.257;
    String featureType "Trajectory";
    Float64 geospatial_lat_max 80.957;
    Float64 geospatial_lat_min 76.789;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 15.257;
    Float64 geospatial_lon_min 4.167;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 11.0;
    Float64 geospatial_vertical_min 11.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-04-29T06:36:41Z https://meta.icos-cp.eu/objects/nH_R2I8L2LXDX7w3cxAj3Jph
2025-04-29T06:36:41Z https://erddap.icos-cp.eu/erddap/tabledap/nH_R2I8L2LXDX7w3cxAj3Jph.html";
    String infoUrl "https://meta.icos-cp.eu/objects/nH_R2I8L2LXDX7w3cxAj3Jph";
    String institution "ICOS RI; Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven";
    String license "CC BY 4.0/ICOS Data Licence: https://www.icos-cp.eu/data-services/about-data-portal/data-license";
    Float64 Northernmost_Northing 80.957;
    String person_1_email "Mario.Hoppema@awi.de";
    String person_1_firstName "Mario";
    String person_1_id "http://meta.icos-cp.eu/resources/otcmeta/Hoppema_Mario";
    String person_1_lastName "Hoppema";
    String person_1_orcid "0000-0002-2326-619X";
    String person_1_org "Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven";
    String person_2_email "svheuven@gmail.com";
    String person_2_firstName "Steven";
    String person_2_id "http://meta.icos-cp.eu/resources/otcmeta/vanHeuven_Steven";
    String person_2_lastName "van Heuven";
    String person_2_orcid "0000-0003-2001-8710";
    String person_2_org "University of Groningen";
    String person_3_email "nicholas.roden@niva.no";
    String person_3_firstName "Nicholas";
    String person_3_id "http://meta.icos-cp.eu/resources/otcmeta/NicholasRoden";
    String person_3_lastName "Roden";
    String person_3_middleName "P.";
    String person_3_orcid "0000-0001-5623-0284";
    String person_3_org "Norsk Institutt for Vannforskning (NIVA)";
    String sourceUrl "https://meta.icos-cp.eu/objects/nH_R2I8L2LXDX7w3cxAj3Jph";
    Float64 Southernmost_Northing 76.789;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "ICOS OTC SOOP Release from Polarstern";
    String time_coverage_end "2020-10-05T06:14:33.000Z";
    String time_coverage_start "2020-10-01T00:01:47.000Z";
    String title "Polarstern - 06AQ20201001";
    Float64 Westernmost_Easting 4.167;
  }
}

 

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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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