Data Access Form

Dataset Title:	SDC_BlackSea_Collection_TS_V1
Institution:	SeaDataNet (Dataset ID: SDC_BLS_DATA_TS_V1)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Make a graph

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Variable

Optional
Constraint #1

Optional
Constraint #2

Minimum

or a List of Values

Maximum

time (UTC)

1868-06-17T00:00:00Z

2017-09-04T11:55:30Z

latitude (degrees_north)

40.9188

47.2

longitude (degrees_east)

27.51

41.793

Cruise

Data_set_name

"00700400.BAZ"

"Zmeinii_Cruise_127..."

Discipline

"Administration and..."

"Physical oceanogra..."

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    UInt32 _ChunkSizes 10;
    String _CoordinateAxisType "Time";
    Float64 actual_range -3.2043168e+9, 1.50452613e+9;
    String axis "T";
    String C_format "%.5f";
    String comment "Relative Gregorian Days with decimal part";
    String FORTRAN_format "F12.5";
    String ioos_category "Time";
    String long_name "Decimal Gregorian Days of the station";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    UInt32 _ChunkSizes 10;
    String _CoordinateAxisType "Lat";
    Float32 _FillValue NaN;
    Float32 actual_range 40.9188, 47.2;
    String axis "Y";
    String C_format "%.3f";
    String FORTRAN_format "F12.3";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    UInt32 _ChunkSizes 10;
    String _CoordinateAxisType "Lon";
    Float32 _FillValue NaN;
    Float32 actual_range 27.51, 41.793;
    String axis "X";
    String C_format "%.3f";
    String FORTRAN_format "F12.3";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Cruise {
    UInt32 _ChunkSizes 10, 24;
    String long_name "Cruise";
  }
  Data_set_name {
    UInt32 _ChunkSizes 10, 76;
    String long_name "Data set name";
  }
  Discipline {
    UInt32 _ChunkSizes 10, 90;
    String long_name "Discipline";
  }
  Category {
    UInt32 _ChunkSizes 10, 268;
    String long_name "Category";
  }
  Variables_measured {
    UInt32 _ChunkSizes 10, 1033;
    String long_name "Variables measured";
  }
  Data_format {
    UInt32 _ChunkSizes 10, 3;
    String long_name "Data format";
  }
  Data_format_version {
    UInt32 _ChunkSizes 10, 3;
    String long_name "Data format version";
  }
  Data_size {
    UInt32 _ChunkSizes 10, 5;
    String long_name "Data size";
  }
  Data_set_creation_date {
    UInt32 _ChunkSizes 10, 8;
    String long_name "Data set creation date";
  }
  Datum {
    UInt32 _ChunkSizes 10, 39;
    String long_name "Datum";
  }
  Measuring_area_type {
    UInt32 _ChunkSizes 10, 5;
    String long_name "Measuring area type";
  }
  Station {
    UInt32 _ChunkSizes 10, 18;
    String long_name "Station";
  }
  Water_depth {
    UInt32 _ChunkSizes 10;
    Float32 _FillValue NaN;
    Float32 actual_range -9999.0, 20574.0;
    String C_format "%.2f";
    String FORTRAN_format "F12.2";
    String long_name "Water depth";
    String units "m";
  }
  Depth_reference {
    UInt32 _ChunkSizes 10, 47;
    String long_name "Depth reference";
  }
  Minimum_instrument_depth {
    UInt32 _ChunkSizes 10;
    Float32 _FillValue NaN;
    Float32 actual_range -9999.0, 896.0;
    String C_format "%.2f";
    String FORTRAN_format "F12.2";
    String long_name "Minimum instrument depth";
    String units "m";
  }
  Maximum_instrument_depth {
    UInt32 _ChunkSizes 10;
    Float32 _FillValue NaN;
    Float32 actual_range -9999.0, 5000.0;
    String C_format "%.2f";
    String FORTRAN_format "F12.2";
    String long_name "Maximum instrument depth";
    String units "m";
  }
  Start_date {
    UInt32 _ChunkSizes 10, 8;
    String long_name "Start date";
  }
  Start_time {
    UInt32 _ChunkSizes 10, 8;
    String long_name "Start time";
  }
  End_date {
    UInt32 _ChunkSizes 10, 8;
    String long_name "End date";
  }
  End_time {
    UInt32 _ChunkSizes 10, 8;
    String long_name "End time";
  }
  Vertical_resolution {
    UInt32 _ChunkSizes 10;
    String actual_range 
"\u0000
1";
    String long_name "Vertical resolution";
  }
  Vertical_resolution_unit {
    UInt32 _ChunkSizes 10, 8;
    String long_name "Vertical resolution unit";
  }
  Type {
    UInt32 _ChunkSizes 10;
    String actual_range 
"B
C";
    String long_name "Type";
  }
  Instrument_gear_type {
    UInt32 _ChunkSizes 10, 176;
    String long_name "Instrument / gear type";
  }
  Track_resolution {
    UInt32 _ChunkSizes 10;
    String actual_range 
"\u0000
\u0000";
    String long_name "Track resolution";
  }
  Track_resolution_unit {
    UInt32 _ChunkSizes 10;
    String actual_range 
"\u0000
\u0000";
    String long_name "Track resolution unit";
  }
  Frequency {
    UInt32 _ChunkSizes 10;
    String actual_range 
"\u0000
1";
    String long_name "Frequency";
  }
  Frequency_unit {
    UInt32 _ChunkSizes 10, 5;
    String long_name "Frequency unit";
  }
  Platform_type {
    UInt32 _ChunkSizes 10, 25;
    String long_name "Platform type";
  }
  Cruise_name {
    UInt32 _ChunkSizes 10, 26;
    String long_name "Cruise name";
  }
  Alternative_cruise_name {
    UInt32 _ChunkSizes 10, 24;
    String long_name "Alternative cruise name";
  }
  Cruise_start_date {
    UInt32 _ChunkSizes 10, 8;
    String long_name "Cruise start date";
  }
  Station_name {
    UInt32 _ChunkSizes 10, 26;
    String long_name "Station name";
  }
  LOCAL_CDI_ID {
    UInt32 _ChunkSizes 10, 43;
    String cf_role "profile_id";
    String long_name "LOCAL_CDI_ID";
  }
  Alternative_station_name {
    UInt32 _ChunkSizes 10, 18;
    String long_name "Alternative station name";
  }
  Station_start_date {
    UInt32 _ChunkSizes 10, 8;
    String long_name "Station start date";
  }
  Originator {
    UInt32 _ChunkSizes 10, 130;
    String long_name "Originator";
  }
  Data_Holding_centre {
    UInt32 _ChunkSizes 10, 130;
    String long_name "Data Holding centre";
  }
  Project_name {
    UInt32 _ChunkSizes 10, 128;
    String long_name "Project name";
  }
  EDMED_references {
    UInt32 _ChunkSizes 10, 112;
    String long_name "EDMED references";
  }
  CSR_references {
    UInt32 _ChunkSizes 10, 72;
    String long_name "CSR references";
  }
  Publication_references {
    UInt32 _ChunkSizes 10;
    String actual_range 
"\u0000
\u0000";
    String long_name "Publication references";
  }
  Data_Distributor {
    UInt32 _ChunkSizes 10, 130;
    String long_name "Data Distributor";
  }
  Database_reference {
    UInt32 _ChunkSizes 10, 30;
    String long_name "Database reference";
  }
  EDMO_CODE {
    UInt32 _ChunkSizes 10;
    Int32 _FillValue 2147483647;
    Int32 actual_range 120, 2267;
    String C_format "%.0f";
    String FORTRAN_format "F12.0";
    String long_name "EDMO_CODE";
  }
  Access_ordering_of_data {
    UInt32 _ChunkSizes 10, 33;
    String long_name "Access/ordering of data";
  }
  Access_restriction {
    UInt32 _ChunkSizes 10, 18;
    String long_name "Access restriction";
  }
  CDI_record_id {
    UInt32 _ChunkSizes 10, 7;
    String long_name "CDI-record id";
  }
  CDI_record_creation_date {
    UInt32 _ChunkSizes 10, 8;
    String long_name "CDI-record creation date";
  }
  CDI_partner {
    UInt32 _ChunkSizes 10, 130;
    String long_name "CDI-partner";
  }
  Bot_Depth {
    UInt32 _ChunkSizes 10;
    Float32 _FillValue NaN;
    Float32 actual_range -9999.0, 20574.0;
    String C_format "%.0f";
    String FORTRAN_format "F12.0";
    String long_name "Bot. Depth";
    String units "m";
  }
  Instrument_Info {
    UInt32 _ChunkSizes 10, 111;
    String long_name "Instrument Info";
  }
  P01_Codes {
    UInt32 _ChunkSizes 10, 737;
    String long_name "P01 Codes";
  }
  References {
    UInt32 _ChunkSizes 10, 230;
    String long_name "References";
  }
  depth {
    UInt32 _ChunkSizes 10, 2029;
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 _FillValue NaN;
    Float32 actual_range -0.99221, 2208.0;
    String ancillary_variables "var1_qc";
    String axis "Z";
    String C_format "%.2f";
    String comment "Codes: SDN:P01::ADEPZZ01 SDN:P06::ULAA";
    String FORTRAN_format "F12.2";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  Quality_flag_of_Depth {
    UInt32 _ChunkSizes 10, 2029;
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 49, 56;
    String comment "SEADATANET - SeaDataNet quality codes";
    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 value_below_limit_of_quantification";
    Byte flag_values 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 65, 81;
    String long_name "Quality flag of Depth";
    String standard_name "status_flag";
  }
  ITS_90_water_temperature {
    UInt32 _ChunkSizes 10, 2029;
    Float32 _FillValue NaN;
    Float32 actual_range -252.15, 56.0;
    String ancillary_variables "var2_qc";
    String C_format "%.2f";
    String comment "Codes: SDN:P35::WATERTEMP SDN:P06::UPAA";
    String FORTRAN_format "F12.2";
    String long_name "ITS-90 water temperature";
    String units "degrees C";
  }
  Quality_flag_of_ITS_90_water_temperature {
    UInt32 _ChunkSizes 10, 2029;
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 49, 56;
    String comment "SEADATANET - SeaDataNet quality codes";
    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 value_below_limit_of_quantification";
    Byte flag_values 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 65, 81;
    String long_name "Quality flag of ITS-90 water temperature";
    String standard_name "status_flag";
  }
  Water_body_salinity {
    UInt32 _ChunkSizes 10, 2029;
    Float32 _FillValue NaN;
    Float32 actual_range -3.4207, 656.25;
    String ancillary_variables "var3_qc";
    String C_format "%.2f";
    String comment "Codes: SDN:P35::EPC00001 SDN:P06::UPPT";
    String FORTRAN_format "F12.2";
    String long_name "Water body salinity";
    String units "per mille";
  }
  Quality_flag_of_Water_body_salinity {
    UInt32 _ChunkSizes 10, 2029;
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 49, 56;
    String comment "SEADATANET - SeaDataNet quality codes";
    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 value_below_limit_of_quantification";
    Byte flag_values 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 65, 81;
    String long_name "Quality flag of Water body salinity";
    String standard_name "status_flag";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Profile";
    String cdm_profile_variables "time, latitude, longitude, Cruise, Data_set_name, Discipline, Category, Variables_measured, Data_format, Data_format_version, Data_size, Data_set_creation_date, Datum, Measuring_area_type, Station, Water_depth, Depth_reference, Minimum_instrument_depth, Maximum_instrument_depth, Start_date, Start_time, End_date, End_time, Vertical_resolution, Vertical_resolution_unit, Type, Instrument_gear_type, Track_resolution, Track_resolution_unit, Frequency, Frequency_unit, Platform_type, Cruise_name, Alternative_cruise_name, Cruise_start_date, Station_name, LOCAL_CDI_ID, Alternative_station_name, Station_start_date, Originator, Data_Holding_centre, Project_name, EDMED_references, CSR_references, Publication_references, Data_Distributor, Database_reference, EDMO_CODE, Access_ordering_of_data, Access_restriction, CDI_record_id, CDI_record_creation_date, CDI_partner, Bot_Depth, Instrument_Info, P01_Codes, References";
    String comment "ODV NetCDF Export File V2.0";
    String Conventions "CF-1.7, COARDS, ACDD-1.3";
    String CreateTime "2020-02-13T13:56:40";
    String Creator "abriand@NTISI18";
    String DataField "Ocean";
    String DataType "Profiles";
    Float64 Easternmost_Easting 41.793;
    String featureType "Profile";
    Float64 geospatial_lat_max 47.2;
    Float64 geospatial_lat_min 40.9188;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 41.793;
    Float64 geospatial_lon_min 27.51;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 2208.0;
    Float64 geospatial_vertical_min -0.99221;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-04-24T04:42:23Z (local files)
2025-04-24T04:42:23Z https://erddap.ifremer.fr/erddap/tabledap/SDC_BLS_DATA_TS_V1.html";
    String infoUrl "https://www.seadatanet.org/Products";
    String institution "SeaDataNet";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float64 Northernmost_Northing 47.2;
    String Software "Ocean Data View 5.2.1 - 64 bit (Windows)";
    String source "O:/envrifair/seadatanet/produits/baltic_sea/SDC_BLS_DATA_TS_V1/SDC_BLS_DATA_TS_V1.odv";
    String SourceLastModified "2018-10-09T14:19:55";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 40.9188;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "Cruise, Cruise_name, Station, Station_name";
    String summary "Ocean Data View (ODV) Network Common Data Format (NetCDF) Export File V2.0. Data from a local source.";
    String time_coverage_end "2017-09-04T11:55:30Z";
    String time_coverage_start "1868-06-17T00:00:00Z";
    String title "SDC_BlackSea_Collection_TS_V1";
    Float64 Westernmost_Easting 27.51;
  }
}

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.

(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.