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Dataset Title:  SMRU Grey Seal UK 1991-1993 Subscribe RSS
Institution:  USTAN-SMRU   (Dataset ID: zd_71)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
   or a List of Values ?
   Maximum ?
 
 ScientificName (Not applicable) ?      
   - +  ?
 BasisOfRecord (None) ?      
   - +  ?
 InstitutionCode (None) ?          "OBIS-SEAMAP"    "OBIS-SEAMAP"
 YearCollected (None) ?      
   - +  ?
 MonthCollected (None) ?      
   - +  ?
 DayCollected (None) ?      
   - +  ?
 time (UTC) ?          1991-08-22T12:52:10Z    1993-12-25T15:57:34Z
  < slider >
 TimeOfDay (None) ?          0.803    22.27
 MinimumDepth (None) ?          0.0    0.0
 MaximumDepth (None) ?          0.0    0.0
 ObservedIndividualCount (http://rs.tdwg.org/dwc/terms/individualCount) ?          1.0    1.0
 Notes (None) ?          "Telemetry; tag"    "Telemetry; tag"
 longitude (degrees_east) ?          -18.89    3.953
  < slider >
 latitude (degrees_north) ?          50.7    62.34
  < slider >
 aphia_id (Not applicable) ?      
   - +  ?
 
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.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  ScientificName {
    String long_name "ScientificName";
    String sdn_P02_name "SeaDataNet biological format biotic parameters";
    String sdn_P02_uri "https://vocab.nerc.ac.uk/collection/P02/current/BPRP/";
    String sdn_P02_urn "SDN:P02::BPRP";
    String sdn_parameter_name "Taxon of biological entity specified elsewhere";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/";
    String sdn_parameter_urn "SDN:P01::SCNAME01";
    String sdn_uom_name "Not applicable";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/XXXX/";
    String sdn_uom_urn "SDN:P06::XXXX";
    String standard_name "scientificname";
    String units "Not applicable";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/";
  }
  BasisOfRecord {
    String long_name "BasisOfRecord";
    String units "None";
    String units_uri "None";
  }
  InstitutionCode {
    String long_name "InstitutionCode";
    String units "None";
    String units_uri "None";
  }
  YearCollected {
    Float32 actual_range 1991.0, 1993.0;
    String long_name "YearCollected";
    String units "None";
    String units_uri "None";
  }
  MonthCollected {
    Float32 actual_range 1.0, 12.0;
    String long_name "MonthCollected";
    String units "None";
    String units_uri "None";
  }
  DayCollected {
    Float32 actual_range 1.0, 31.0;
    String long_name "DayCollected";
    String units "None";
    String units_uri "None";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 6.8286553e+8, 7.56835054e+8;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    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";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/CJDY1101";
  }
  TimeOfDay {
    Float32 actual_range 0.803, 22.27;
    String long_name "TimeOfDay";
    String units "None";
    String units_uri "None";
  }
  MinimumDepth {
    Float32 actual_range 0.0, 0.0;
    String long_name "MinimumDepth";
    String units "None";
    String units_uri "None";
  }
  MaximumDepth {
    Float32 actual_range 0.0, 0.0;
    String long_name "MaximumDepth";
    String units "None";
    String units_uri "None";
  }
  ObservedIndividualCount {
    Float32 actual_range 1.0, 1.0;
    String long_name "ObservedIndividualCount";
    String units "http://rs.tdwg.org/dwc/terms/individualCount";
    String units_uri "http://rs.tdwg.org/dwc/terms/individualCount";
  }
  Notes {
    String long_name "Notes";
    String units "None";
    String units_uri "None";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -18.89, 3.953;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALONZZ01";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 50.7, 62.34;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALATZZ01";
  }
  aphia_id {
    String long_name "aphia_id";
    String sdn_P02_name "SeaDataNet biological format biotic parameters";
    String sdn_P02_uri "https://vocab.nerc.ac.uk/collection/P02/current/BPRP/";
    String sdn_P02_urn "SDN:P02::BPRP";
    String sdn_parameter_name "Identifier (LSID) of biological entity specified elsewhere";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/";
    String sdn_parameter_urn "SDN:P01::SNANID01";
    String sdn_uom_name "Not applicable";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/XXXX/";
    String sdn_uom_urn "SDN:P06::XXXX";
    String standard_name "aphia_id";
    String units "Not applicable";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/";
  }
 }
  NC_GLOBAL {
    String AccConID "24";
    String AccConstrDescription "This license lets others remix, tweak, and build upon your work non-commercially, and although their new works must also acknowledge you and be non-commercial, they don’t have to license their derivative works on the same terms";
    String AccConstrDisplay "This dataset is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.";
    String AccConstrEN "Attribution-NonCommercial (CC BY-NC)";
    String AccessConstraint "Attribution-NonCommercial (CC BY-NC)";
    String AccessConstraints "None";
    String Acronym "None";
    String added_date "2009-05-29 12:11:29.413000";
    String BrackishFlag "0";
    String CDate "2009-06-09";
    String cdm_data_type "Other";
    String CheckedFlag "1";
    String Citation "Sea Mammal Research Unit (SMRU) SMRU Grey Seal Tracking in the North Sea, 1991-1993. In: OBIS-SEAMAP . OBIS-SEAMAP, http://seamap.env.duke.edu/, 2004-03-11 13:13:58.956105-05, vector digital data.";
    String Comments "None";
    String ContactEmail "None";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String CurrencyDate "None";
    String DasID "1989";
    String DasOrigin "Research: field survey";
    String DasType "Data";
    String DasTypeID "1";
    String DateLastModified "{'date': '2025-02-18 01:34:01.301036', 'timezone_type': 1, 'timezone': '+01:00'}";
    String DescrCompFlag "0";
    String DescrTransFlag "0";
    Float64 Easternmost_Easting 3.953;
    String EmbargoDate "None";
    String EngAbstract 
"Dataset information available at
seamap.env.duke.edu/datasets/detail/71";
    String EngDescr 
"The movements of 14 grey seals Halichoerus grypus Fab. caught at the Farnes in north-east England (12) and Abertay in eastern Scotland (2) between August 1991 and July 1993 were investigated using Argos Satellite Relay Data Loggers (SRDL). The data are a spreadsheet of points representing seal locations. The low and irregular uplink rate from an SRDL on a seal to the Argos satellites can result in potentially significant errors in some location fixes. Therefore, locations were filtered using an algorithm based on a [maximum speed parameter] of 2 m s-1. This filter rejected 17% of the primary locations that would have required an unrealistic rate of travel to achieve. However, this does not remove all invalid locations hence there are still some datapoints occurring inland. There are 9454 locations in the spreadsheet covering all months of the year except February and March.

Grey seals Halichoerus grypus Fab. Are large, numerous marine top predators. The British population in 1994 was estimated to be 108,000 individuals and it has been steadily increasing since. Fears concerning competition with fisheries have prompted calls for control measures under the UK Conservation of Seals Act 1970. However little is known about the areas where grey seals forage or of the distances they may travel. Management must be based on an understanding of the complex seal-fishery interactions, a component of which is having information on the temporal and spatial distribution of seals.";
    String FreshFlag "0";
    String GBIF_UUID "6b33d7c4-d66b-4856-8297-117477639c3e";
    Float64 geospatial_lat_max 62.34;
    Float64 geospatial_lat_min 50.7;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 3.953;
    Float64 geospatial_lon_min -18.89;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-03-09T23:30:00Z (local files)
2025-03-09T23:30:00Z http://erddap.eurobis.org/erddap/tabledap/zd_71.html";
    String infoUrl "None";
    String InputNotes "None";
    String institution "USTAN-SMRU";
    String keywords "aphia_id, BasisOfRecord, DayCollected, InstitutionCode, latitude, longitude, MaximumDepth, MinimumDepth, MonthCollected, Notes, ObservedIndividualCount, ScientificName, time, TimeOfDay, YearCollected";
    String License "https://creativecommons.org/licenses/by-nc/4.0";
    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.";
    String Lineage "None";
    String MarineFlag "1";
    String modified_sync "2021-02-06 00:00:00";
    Float64 Northernmost_Northing 62.34;
    String OrigAbstract "None";
    String OrigDescr "None";
    String OrigDescrLang "English";
    String OrigDescrLangNL "Engels";
    String OrigLangCode "en";
    String OrigLangCodeExtended "eng";
    String OrigLangID "15";
    String OrigTitle "None";
    String OrigTitleLang "None";
    String OrigTitleLangCode "None";
    String OrigTitleLangID "None";
    String OrigTitleLangNL "None";
    String Progress "Completed";
    String PublicFlag "1";
    String ReleaseDate "None";
    String ReleaseDate0 "None";
    String RevisionDate "None";
    String SizeReference "9 454 distribution records";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 50.7;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String StandardTitle "SMRU Grey Seal UK 1991-1993";
    String StatusID "1";
    String subsetVariables "ScientificName,BasisOfRecord,YearCollected,MonthCollected,DayCollected,aphia_id";
    String summary 
"Dataset information available at
seamap.env.duke.edu/datasets/detail/71";
    String TerrestrialFlag "0";
    String time_coverage_end "1993-12-25T15:57:34Z";
    String time_coverage_start "1991-08-22T12:52:10Z";
    String title "SMRU Grey Seal UK 1991-1993";
    String UDate "2022-08-11";
    String VersionDate "None";
    String VersionDay "None";
    String VersionMonth "5";
    String VersionName "1";
    String VersionYear "2009";
    String VlizCoreFlag "1";
    Float64 Westernmost_Easting -18.89;
  }
}

 

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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