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Dataset Title:	CTD Profiles from RRS Charles Darwin cruise CD173
Institution:	National Oceanography Centre (Liverpool)   (Dataset ID: 6868_CD173_CTD)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
SDN_CRUISE (CRUISE NAME)	!= =~ <= >= = < >		!= =~ <= >= = < >
crs	!= =~ <= >= = < >		!= =~ <= >= = < >		0	0
SDN_EDMO_CODE	!= =~ <= >= = < >		!= =~ <= >= = < >		43	43
SDN_STATION (Profile label)	!= =~ <= >= = < >		!= =~ <= >= = < >
SDN_LOCAL_CDI_ID (SeaDataNet CDI identifier)	!= =~ <= >= = < >		!= =~ <= >= = < >
sea_floor_depth_below_sea_surface (meters)	!= =~ <= >= = < >		!= =~ <= >= = < >		74.0	3852.0
POSITION_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	49
TIME_SEADATANET_QC (SeaDataNet quality flag)	!= =~ <= >= = < >		!= =~ <= >= = < >		48	48
DEPTH_SEADATANET_QC (SeaDataNet quality flag)	!= =~ <= >= = < >		!= =~ <= >= = < >		49	49
ACYCAA01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	49
ACYCAA01 (Record_No, Dmnless)	!= =~ <= >= = < >		!= =~ <= >= = < >		1	3856
CPHLPS01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	51
CPHLPS01 (mg/m^3)	!= =~ <= >= = < >		!= =~ <= >= = < >		-0.107	5.333
DOXYSC01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	51
DOXYSC01 (WC_dissO2_calib, umol/l)	!= =~ <= >= = < >		!= =~ <= >= = < >		151.8968	321.8002
OXYSSC01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	51
OXYSSC01 (BK_SBE43, %)	!= =~ <= >= = < >		!= =~ <= >= = < >		59.2469	125.5615
POPTDR01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	51
POPTDR01 (Trans_Red_25cm, %)	!= =~ <= >= = < >		!= =~ <= >= = < >		62.825	84.447
PSALCC01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	51
PSALCC01 (P_sal_CTD_calib, Dmnless)	!= =~ <= >= = < >		!= =~ <= >= = < >		23.625	35.813
SIGTPR01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	51
SIGTPR01 (SigTheta, kg/m^3)	!= =~ <= >= = < >		!= =~ <= >= = < >		16.74598	27.91622
TEMPST01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	51
TEMPST01 (WC_temp_CTD, degC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2.495	19.921
TOKGPR01_SEADATANET_QC	!= =~ <= >= = < >		!= =~ <= >= = < >		49	49
TOKGPR01 (Vol2MassCTD, l/kg)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.9728419	0.9835298
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		47.83233	50.18583
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-9.81283	-6.164
depth (Dep_Pressure, m)	!= =~ <= >= = < >		!= =~ <= >= = < >		1.907	3857.052
time (Chronological Julian Date, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2005-07-15T18:08:00Z	2005-08-03T03:56:00Z

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" SDN_CRUISE crs SDN_EDMO_CODE SDN_STATION SDN_LOCAL_CDI_ID sea_floor_depth_below_sea_surface POSITION_SEADATANET_QC TIME_SEADATANET_QC DEPTH_SEADATANET_QC ACYCAA01_SEADATANET_QC ACYCAA01 CPHLPS01_SEADATANET_QC CPHLPS01 DOXYSC01_SEADATANET_QC DOXYSC01 OXYSSC01_SEADATANET_QC OXYSSC01 POPTDR01_SEADATANET_QC POPTDR01 PSALCC01_SEADATANET_QC PSALCC01 SIGTPR01_SEADATANET_QC SIGTPR01 TEMPST01_SEADATANET_QC TEMPST01 TOKGPR01_SEADATANET_QC TOKGPR01 latitude longitude depth time SDN_CRUISE crs SDN_EDMO_CODE SDN_STATION SDN_LOCAL_CDI_ID sea_floor_depth_below_sea_surface POSITION_SEADATANET_QC TIME_SEADATANET_QC DEPTH_SEADATANET_QC ACYCAA01_SEADATANET_QC ACYCAA01 CPHLPS01_SEADATANET_QC CPHLPS01 DOXYSC01_SEADATANET_QC DOXYSC01 OXYSSC01_SEADATANET_QC OXYSSC01 POPTDR01_SEADATANET_QC POPTDR01 PSALCC01_SEADATANET_QC PSALCC01 SIGTPR01_SEADATANET_QC SIGTPR01 TEMPST01_SEADATANET_QC TEMPST01 TOKGPR01_SEADATANET_QC TOKGPR01 latitude longitude depth time SDN_CRUISE crs SDN_EDMO_CODE SDN_STATION SDN_LOCAL_CDI_ID sea_floor_depth_below_sea_surface POSITION_SEADATANET_QC TIME_SEADATANET_QC DEPTH_SEADATANET_QC ACYCAA01_SEADATANET_QC ACYCAA01 CPHLPS01_SEADATANET_QC CPHLPS01 DOXYSC01_SEADATANET_QC DOXYSC01 OXYSSC01_SEADATANET_QC OXYSSC01 POPTDR01_SEADATANET_QC POPTDR01 PSALCC01_SEADATANET_QC PSALCC01 SIGTPR01_SEADATANET_QC SIGTPR01 TEMPST01_SEADATANET_QC TEMPST01 TOKGPR01_SEADATANET_QC TOKGPR01 latitude longitude depth time SDN_CRUISE crs SDN_EDMO_CODE SDN_STATION SDN_LOCAL_CDI_ID sea_floor_depth_below_sea_surface POSITION_SEADATANET_QC TIME_SEADATANET_QC DEPTH_SEADATANET_QC ACYCAA01_SEADATANET_QC ACYCAA01 CPHLPS01_SEADATANET_QC CPHLPS01 DOXYSC01_SEADATANET_QC DOXYSC01 OXYSSC01_SEADATANET_QC OXYSSC01 POPTDR01_SEADATANET_QC POPTDR01 PSALCC01_SEADATANET_QC PSALCC01 SIGTPR01_SEADATANET_QC SIGTPR01 TEMPST01_SEADATANET_QC TEMPST01 TOKGPR01_SEADATANET_QC TOKGPR01 latitude longitude depth time SDN_CRUISE crs SDN_EDMO_CODE SDN_STATION SDN_LOCAL_CDI_ID sea_floor_depth_below_sea_surface POSITION_SEADATANET_QC TIME_SEADATANET_QC DEPTH_SEADATANET_QC ACYCAA01_SEADATANET_QC ACYCAA01 CPHLPS01_SEADATANET_QC CPHLPS01 DOXYSC01_SEADATANET_QC DOXYSC01 OXYSSC01_SEADATANET_QC OXYSSC01 POPTDR01_SEADATANET_QC POPTDR01 PSALCC01_SEADATANET_QC PSALCC01 SIGTPR01_SEADATANET_QC SIGTPR01 TEMPST01_SEADATANET_QC TEMPST01 TOKGPR01_SEADATANET_QC TOKGPR01 latitude longitude depth time ")

File type: (more information) .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .croissant - Download the dataset croissant schema. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .dataTable - A JSON file formatted for use with the Google Visualization client library (Google Charts). .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. .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 19115/19139 UTF-8 .xml metadata using the version default for this server. .iso19115_2 - View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. .iso19115_3_2016 - View the dataset's ISO 19115-3:2016 UTF-8 .xml metadata. .iso19139_2007 - View the dataset's ISO 19139:2007 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). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = '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). .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. .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. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc 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). .parquet - Download as a parquet file. Metadata contains column names ("column_names") and units ("column_units"). .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). .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (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. .largePdf - View a large .pdf image file with a graph or map. .largePng - View a large .png image file with a graph or map. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .png - View a standard, medium-sized .png image file with a graph or map. .smallPdf - View a small .pdf image file with a graph or map. .smallPng - View a small .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 {
  SDN_CRUISE {
    UInt32 _ChunkSizes 1, 80;
    String long_name "CRUISE NAME";
    String type "String";
  }
  crs {
    Int32 actual_range 0, 0;
    String epsg_code "EPSG:4326";
    String grid_mapping_name "latitude_longitude";
    String inverse_flattening "298.257223563";
    String semi_major_axis "6378137.0";
    String type "int";
  }
  SDN_EDMO_CODE {
    UInt32 _ChunkSizes 1024;
    Int32 actual_range 43, 43;
    String long_name "European Directory of Marine Organisations code for the CDI partner";
    String type "int";
  }
  SDN_STATION {
    UInt32 _ChunkSizes 1, 80;
    String long_name "Profile label";
    String type "String";
  }
  SDN_LOCAL_CDI_ID {
    UInt32 _ChunkSizes 1, 80;
    String cf_role "profile_id";
    String long_name "SeaDataNet CDI identifier";
    String type "String";
  }
  sea_floor_depth_below_sea_surface {
    UInt32 _ChunkSizes 1024;
    Float32 _FillValue -999.0;
    Float32 actual_range 74.0, 3852.0;
    String long_name "Bathymetric depth at profile measurement site";
    String sdn_P02_name "Bathymetry and Elevation";
    String sdn_P02_urn "SDN:P02::MBAN";
    String sdn_parameter_name "Bathymetric depth of seafloor relative to instantaneous sea level {sea-floor depth} in the water body";
    String sdn_parameter_urn "SDN:P01::MBANZZZZ";
    String sdn_uom_name "Metres";
    String sdn_uom_urn "SDN:P06::ULAA";
    String standard_name "sea_floor_depth_below_sea_surface";
    String type "float";
    String units "meters";
  }
  POSITION_SEADATANET_QC {
    UInt32 _ChunkSizes 1;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 49;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  TIME_SEADATANET_QC {
    UInt32 _ChunkSizes 1;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 48, 48;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  DEPTH_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 49;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  ACYCAA01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 49;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  ACYCAA01 {
    UInt32 _ChunkSizes 1, 103;
    Int32 _FillValue -1;
    Int32 actual_range 1, 3856;
    String ancillary_variables "ACYCAA01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "Record_No";
    String sdn_P02_name "Reference numbers";
    String sdn_P02_urn "SDN:P02::ACYC";
    String sdn_parameter_name "Sequence number";
    String sdn_parameter_urn "SDN:P01::ACYCAA01";
    String sdn_uom_name "Dimensionless";
    String sdn_uom_urn "SDN:P06::UUUU";
    String type "int";
    String units "Dmnless";
  }
  CPHLPS01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 51;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  CPHLPS01 {
    UInt32 _ChunkSizes 1, 103;
    Float32 _FillValue -1.0;
    Float32 actual_range -0.107, 5.333;
    String ancillary_variables "CPHLPS01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "chl-a_water_ISfluor_sampcal";
    String sdn_P02_name "Chlorophyll pigment concentrations in water bodies";
    String sdn_P02_urn "SDN:P02::CPWC";
    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 and calibration against sample data";
    String sdn_parameter_urn "SDN:P01::CPHLPS01";
    String sdn_uom_name "Milligrams per cubic metre";
    String sdn_uom_urn "SDN:P06::UMMC";
    String type "float";
    String units "mg/m^3";
  }
  DOXYSC01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 51;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  DOXYSC01 {
    UInt32 _ChunkSizes 1, 103;
    Float32 _FillValue -1.0;
    Float32 actual_range 151.8968, 321.8002;
    String ancillary_variables "DOXYSC01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "WC_dissO2_calib";
    String sdn_P02_name "Dissolved oxygen parameters in the water column";
    String sdn_P02_urn "SDN:P02::DOXY";
    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 Sea-Bird SBE 43 sensor and calibration against sample data";
    String sdn_parameter_urn "SDN:P01::DOXYSC01";
    String sdn_uom_name "Micromoles per litre";
    String sdn_uom_urn "SDN:P06::UPOX";
    String type "float";
    String units "umol/l";
  }
  OXYSSC01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 51;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  OXYSSC01 {
    UInt32 _ChunkSizes 1, 103;
    Float32 _FillValue -1.0;
    Float32 actual_range 59.2469, 125.5615;
    String ancillary_variables "OXYSSC01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "BK_SBE43";
    String sdn_P02_name "Dissolved oxygen parameters in the water column";
    String sdn_P02_urn "SDN:P02::DOXY";
    String sdn_parameter_name "Saturation of oxygen {O2 CAS 7782-44-7} in the water body [dissolved plus reactive particulate phase] by Sea-Bird SBE 43 sensor and calibration against sample data and computation from concentration using Benson and Krause algorithm";
    String sdn_parameter_urn "SDN:P01::OXYSSC01";
    String sdn_uom_name "Percent";
    String sdn_uom_urn "SDN:P06::UPCT";
    String type "float";
    String units "%";
  }
  POPTDR01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 51;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  POPTDR01 {
    UInt32 _ChunkSizes 1, 103;
    Float32 _FillValue -1.0;
    Float32 actual_range 62.825, 84.447;
    String ancillary_variables "POPTDR01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "Trans_Red_25cm";
    String sdn_P02_name "Transmittance and attenuance of the water column";
    String sdn_P02_urn "SDN:P02::ATTN";
    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 type "float";
    String units "%";
  }
  PSALCC01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 51;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  PSALCC01 {
    UInt32 _ChunkSizes 1, 103;
    Float32 _FillValue -1.0;
    Float32 actual_range 23.625, 35.813;
    String ancillary_variables "PSALCC01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "P_sal_CTD_calib";
    String sdn_P02_name "Salinity of the water column";
    String sdn_P02_urn "SDN:P02::PSAL";
    String sdn_parameter_name "Practical salinity of the water body by CTD and computation using UNESCO 1983 algorithm and calibration against independent measurements";
    String sdn_parameter_urn "SDN:P01::PSALCC01";
    String sdn_uom_name "Dimensionless";
    String sdn_uom_urn "SDN:P06::UUUU";
    String type "float";
    String units "Dmnless";
  }
  SIGTPR01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 51;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  SIGTPR01 {
    UInt32 _ChunkSizes 1, 103;
    Float32 _FillValue -1.0;
    Float32 actual_range 16.74598, 27.91622;
    String ancillary_variables "SIGTPR01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "SigTheta";
    String sdn_P02_name "Density of the water column";
    String sdn_P02_urn "SDN:P02::SIGT";
    String sdn_parameter_name "Sigma-theta of the water body by CTD and computation from salinity and potential temperature using UNESCO algorithm";
    String sdn_parameter_urn "SDN:P01::SIGTPR01";
    String sdn_uom_name "Kilograms per cubic metre";
    String sdn_uom_urn "SDN:P06::UKMC";
    String type "float";
    String units "kg/m^3";
  }
  TEMPST01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 51;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  TEMPST01 {
    UInt32 _ChunkSizes 1, 103;
    Float32 _FillValue -9.0;
    Float32 actual_range 2.495, 19.921;
    String ancillary_variables "TEMPST01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "WC_temp_CTD";
    String sdn_P02_name "Temperature of the water column";
    String sdn_P02_urn "SDN:P02::TEMP";
    String sdn_parameter_name "Temperature of the water body by CTD or STD";
    String sdn_parameter_urn "SDN:P01::TEMPST01";
    String sdn_uom_name "Degrees Celsius";
    String sdn_uom_urn "SDN:P06::UPAA";
    String type "float";
    String units "degC";
  }
  TOKGPR01_SEADATANET_QC {
    UInt32 _ChunkSizes 1, 103;
    Byte _FillValue 57;
    String _Unsigned "false";
    Byte actual_range 49, 49;
    String Conventions "SeaDataNet measurand qualifier flags";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String flag_meanings "no_quality_control good_value probably_good_value probably_bad_value bad_value changed_value value_below_detection value_in_excess interpolated_value missing_value value_phenomenon_uncertain";
    String flag_values "[48 49 50 51 52 53 54 55 56 57 65]";
    String long_name "SeaDataNet quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String type "byte";
  }
  TOKGPR01 {
    UInt32 _ChunkSizes 1, 103;
    Float32 _FillValue -1.0;
    Float32 actual_range 0.9728419, 0.9835298;
    String ancillary_variables "TOKGPR01_SEADATANET_QC";
    String coordinates "TIME DEPTH LATITUDE LONGITUDE";
    String long_name "Vol2MassCTD";
    String sdn_P02_name "Density of the water column";
    String sdn_P02_urn "SDN:P02::SIGT";
    String sdn_parameter_name "Conversion factor (volume to mass) for the water body by CTD and computation of density (in-situ potential temperature surface pressure) reciprocal from pressure, temperature and salinity";
    String sdn_parameter_urn "SDN:P01::TOKGPR01";
    String sdn_uom_name "Litres per kilogram";
    String sdn_uom_urn "SDN:P06::ULKG";
    String type "float";
    String units "l/kg";
  }
  latitude {
    UInt32 _ChunkSizes 1;
    String _CoordinateAxisType "Lat";
    Float64 actual_range 47.83233, 50.18583;
    String ancillary_variables "POSITION_SEADATANET_QC";
    String axis "Y";
    String grid_mapping "crs";
    String ioos_category "Location";
    String long_name "Latitude";
    String sdn_P02_name "Horizontal spatial co-ordinates";
    String sdn_P02_urn "SDN:P02::ALAT";
    String sdn_parameter_name "Latitude north";
    String sdn_parameter_urn "SDN:P01::ALATZZ01";
    String sdn_uom_name "Degrees north";
    String sdn_uom_urn "SDN:P06::DEGN";
    String standard_name "latitude";
    String type "double";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  longitude {
    UInt32 _ChunkSizes 1;
    String _CoordinateAxisType "Lon";
    Float64 actual_range -9.81283, -6.164;
    String ancillary_variables "POSITION_SEADATANET_QC";
    String axis "X";
    String grid_mapping "crs";
    String ioos_category "Location";
    String long_name "Longitude";
    String sdn_P02_name "Horizontal spatial co-ordinates";
    String sdn_P02_urn "SDN:P02::ALAT";
    String sdn_parameter_name "Longitude east";
    String sdn_parameter_urn "SDN:P01::ALONZZ01";
    String sdn_uom_name "Degrees east";
    String sdn_uom_urn "SDN:P06::DEGE";
    String standard_name "longitude";
    String type "double";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  depth {
    UInt32 _ChunkSizes 1, 103;
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 _FillValue -999.0;
    Float32 actual_range 1.907, 3857.052;
    String ancillary_variables "DEPTH_SEADATANET_QC";
    String axis "Z";
    String ioos_category "Location";
    String long_name "Dep_Pressure";
    String positive "down";
    String sdn_P02_name "Vertical spatial coordinates";
    String sdn_P02_urn "SDN:P02::AHGT";
    String sdn_parameter_name "Depth (spatial coordinate) relative to water surface in the water body by profiling pressure sensor and conversion to seawater depth using UNESCO algorithm";
    String sdn_parameter_urn "SDN:P01::DEPHPR01";
    String sdn_uom_name "Metres";
    String sdn_uom_urn "SDN:P06::ULAA";
    String standard_name "depth";
    String type "float";
    String units "m";
  }
  time {
    UInt32 _ChunkSizes 1;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.12145088e+9, 1.12304136e+9;
    String ancillary_variables "TIME_SEADATANET_QC";
    String axis "T";
    String calendar "julian";
    String ioos_category "Time";
    String legacy_time_adjust "true";
    String long_name "Chronological Julian Date";
    String sdn_P02_name "Date and time";
    String sdn_P02_urn "SDN:P02::AYMD";
    String sdn_parameter_name "Julian Date (chronological)";
    String sdn_parameter_urn "SDN:P01::CJDY1101";
    String sdn_uom_name "Days";
    String sdn_uom_urn "SDN:P06::UTAA";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String type "double";
    String units "seconds since 1970-01-01T00:00:00Z";
    String valid_max "2500000.0";
    String valid_min "0.0";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Profile";
    String cdm_profile_variables "longitude, latitude, time, SDN_LOCAL_CDI_ID";
    String Conventions "SeaDataNet_1.0 CF-1.6, NCCSV-1.2";
    String date_update "2026-06-12T02:41:48+0100";
    Float64 Easternmost_Easting -6.164;
    String featureType "Profile";
    Float64 geospatial_lat_max 50.18583;
    Float64 geospatial_lat_min 47.83233;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -6.164;
    Float64 geospatial_lon_min -9.81283;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 3857.052;
    Float64 geospatial_vertical_min 1.907;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String grid_mapping_epsg_code "EPSG:4326";
    Float64 grid_mapping_inverse_flattening 298.257223563;
    String grid_mapping_name "latitude_longitude";
    Float64 grid_mapping_semi_major_axis 6378137.0;
    String history 
"2026-06-13T22:22:33Z https://www.bodc.ac.uk/resources/inventories/cruise_inventory/report/6868/
2026-06-13T22:22:33Z https://erddap.bodc.ac.uk/erddap/tabledap/6868_CD173_CTD.html";
    String infoUrl "https://www.bodc.ac.uk/resources/inventories/cruise_inventory/report/6868/";
    String institution "National Oceanography Centre (Liverpool)";
    String license "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/";
    Float64 Northernmost_Northing 50.18583;
    String sourceUrl "https://www.bodc.ac.uk/resources/inventories/cruise_inventory/report/6868/";
    Float64 Southernmost_Northing 47.83233;
    String summary "CTD profiles from RRS Charles Darwin cruise CD173";
    String time_coverage_end "2005-08-03T03:56:00Z";
    String time_coverage_start "2005-07-15T18:08:00Z";
    String title "CTD Profiles from RRS Charles Darwin cruise CD173";
    Float64 Westernmost_Easting -9.81283;
  }
}

 

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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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