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Dataset Title:  Irish Wave Buoy Network - spectral wave parameters   RSS
Institution:  Marine Institute   (Dataset ID: IWaveBNetwork_spectral)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 buoy_id (Buoy identification number) ?              
 station_id (TBC) ?              
 instrument (TBC) ?              
 longitude (degrees_east) ?              
 latitude (degrees_north) ?              
 time (time of measurement, UTC) ?              
 PeakDirection (degrees_true) ?              
 PeakSpread (degrees_true) ?              
 SignificantWaveHeight (m) ?              
 EnergyPeriod (s) ?              
 MeanWavePeriod_Tm01 (s) ?              
 MeanWavePeriod_Tm02 (s) ?              
 PeakPeriod (s) ?              
 qcflag (temperature data quality flag) ?              
 data_modified (UTC) ?              
 qc_modified (UTC) ?              
 
Server-side Functions ?
 distinct() ?
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  buoy_id {
    String ioos_category "Identifier";
    String long_name "Buoy identification number";
  }
  station_id {
    String ioos_category "Location";
    String long_name "TBC";
  }
  instrument {
    String ioos_category "Location";
    String long_name "TBC";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String coordinate_reference_frame "urn:ogc:def:crs:EPSG::4326";
    String ioos_category "Location";
    String long_name "longitude of measurement";
    String Processing_level "Instrument data that has been converted to geophysical values";
    String QC_indicator "nominal_value";
    String reference "WGS84";
    String sdn_parameter_name "Longitude east";
    String sdn_parameter_urn "SDN:P01::ALONZZ01";
    String sdn_units_name "Degrees east";
    String sdn_units_urn "SDN:P06::DEGE";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  latitude {
    String _CoordinateAxisType "Lat";
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String coordinate_reference_frame "urn:ogc:def:crs:EPSG::4326";
    String ioos_category "Location";
    String long_name "latitude of measurement";
    String Processing_level "Instrument data that has been converted to geophysical values";
    String QC_indicator "nominal_value";
    String reference "WGS84";
    String sdn_parameter_name "Latitude north";
    String sdn_parameter_urn "SDN:P01::ALATZZ01";
    String sdn_units_name "Degrees north";
    String sdn_units_urn "SDN:P06::DEGN";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  time {
    String _CoordinateAxisType "Time";
    String axis "T";
    String calendar "julian";
    String ioos_category "Time";
    String long_name "time of measurement";
    String Processing_level "Instrument data that has been converted to geophysical values";
    String QC_indicator "good";
    String sdn_parameter_name "Elapsed time relative to 1970-01-01T00:00:00Z";
    String sdn_parameter_urn "SDN:P01::ELTMEP01";
    String sdn_units_name "Seconds";
    String sdn_units_urn "SDN:P06::UTBB";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  PeakDirection {
    String colorBarMaximum "359.0";
    String colorBarMinimum "0.0";
    String comment "Dirp Direction for waves at peak of wave energy spectrum from which the waves are coming";
    String ioos_category "Surface Waves";
    String long_name "PeakDirection";
    Float64 missing_value -999.0;
    String standard_name "sea_surface_wave_from_direction_at_variance_spectral_density_maximum";
    String units "degrees_true";
  }
  PeakSpread {
    String colorBarMaximum "359.0";
    String colorBarMinimum "0.0";
    String comment "Dsprp Directional spread of waves at peak of wave energy spectrum";
    String ioos_category "Surface Waves";
    String long_name "PeakSpread";
    Float64 missing_value -999.0;
    String standard_name "sea_surface_wave_directional_spread";
    String units "degrees_true";
  }
  SignificantWaveHeight {
    String colorBarMaximum "12.0";
    String colorBarMinimum "0.0";
    String comment "Hm0 (significant wave height) derived from wave energy spectrum";
    String ioos_category "Surface Waves";
    String long_name "SignificantWaveHeight";
    Float64 missing_value -999.0;
    String standard_name "sea_surface_wave_significant_height";
    String units "m";
  }
  EnergyPeriod {
    String colorBarMaximum "20.0";
    String colorBarMinimum "0.0";
    String comment "Te Energy period derived from spectral moments, m-1 and m0";
    String ioos_category "Surface Waves";
    String long_name "EnergyPeriod";
    Float64 missing_value -999.0;
    String standard_name "sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment";
    String units "s";
  }
  MeanWavePeriod_Tm01 {
    String colorBarMaximum "20.0";
    String colorBarMinimum "0.0";
    String comment "Tm01 (mean wave period) derived from spectral moments, m0 and m1";
    String ioos_category "Surface Waves";
    String long_name "MeanWavePeriod_Tm01";
    Float64 missing_value -999.0;
    String standard_name "sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment";
    String units "s";
  }
  MeanWavePeriod_Tm02 {
    String colorBarMaximum "20.0";
    String colorBarMinimum "0.0";
    String comment "Tm02 (mean wave period) derived from spectral moments, m0 and m2";
    String ioos_category "Surface Waves";
    String long_name "MeanWavePeriod_Tm02";
    Float64 missing_value -999.0;
    String standard_name "sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment";
    String units "s";
  }
  PeakPeriod {
    String colorBarMaximum "20.0";
    String colorBarMinimum "0.0";
    String comment "Tp Wave period of waves at peak of wave energy spectrum";
    String ioos_category "Surface Waves";
    String long_name "PeakPeriod";
    Float64 missing_value -999.0;
    String standard_name "sea_surface_wave_period_at_variance_spectral_density_maximum";
    String units "s";
  }
  qcflag {
    Int32 _FillValue 9;
    String Conventions "SeaDataNet measurand qualifier flags";
    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";
    String flag_values "0 1 2 3 4 5 6 7 8 9";
    String ioos_category "Quality";
    String long_name "temperature data quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
  data_modified {
    String ioos_category "Time";
    String long_name "time of last modification of data in the database";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  qc_modified {
    String ioos_category "Time";
    String long_name "time of last modification of nrt qc flags in the database";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
 }
  NC_GLOBAL {
    String acknowledgement "TBC";
    String area "North Atlantic Ocean";
    String cdm_data_type "Point";
    String contact "data_requests@marine.ie";
    String contributor_name "Alan Berry; Conall O'Malley; Rob Thomas";
    String contributor_role "ProjectManager; ProjectMember; DataManager";
    String Conventions "Copernicus-InSituTAC-FormatManual-1.4, SeaDataNet_1.0, CF-1.6, OceanSITES-1.3, ACDD-1.2, COARDS";
    String creator_name "Marine Institute";
    String creator_url "http://www.marine.ie";
    String data_mode "R";
    String data_type "OceanSITES time-series data";
    String date_created "2015-12-10";
    String defaultDataQuery "&time>=now-24hours";
    String defaultGraphQuery "time,PeakPeriod&time>=now-45days&.draw=lines";
    String featureType "Point";
    String geospatial_lat_max "54.2796";
    String geospatial_lat_min "51.6470";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_max "-9.2670";
    String geospatial_lon_min "-10.2961";
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_max "0";
    String geospatial_vertical_min "0";
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "meters";
    String history 
"2015-12-10: Dataset first published.
2025-01-21T10:45:47Z (source database)
2025-01-21T10:45:47Z https://erddap.marine.ie/erddap/tabledap/IWaveBNetwork_spectral.html";
    String id "ie.marine.data:dataset.4775";
    String infoUrl "http://data.marine.ie/geonetwork/srv/eng/catalog.search#/metadata/ie.marine.data:dataset.4775";
    String institution "Marine Institute";
    String institution_edmo_code "396";
    String institution_references "https://www.marine.ie";
    String keywords "Spectral wave data parameters";
    String keywords_vocabulary "SeaDataNet Parameter Discovery Vocabulary";
    String license "Creative Commons Attribution 4.0 (https://creativecommons.org/licenses/by/4.0/)";
    String licenseURL "https://creativecommons.org/licenses/by/4.0/legalcode";
    String naming_authority "Marine Institute";
    String network "Irish Wave Buoy Network";
    String principal_investigator "Alan Berry";
    String principal_investigator_email "alan.berry@marine.ie";
    String principal_investigator_url "https://www.marine.ie/site-area/infrastructure-facilities/marine-research-infrastructures/wave-buoy-network";
    String processing_level "Other QC process applied";
    String publisher_email "data_requests@marine.ie";
    String publisher_name "Marine Institute";
    String publisher_url "https://www.marine.ie";
    String source "moored surface buoy";
    String source_platform_category_code "41";
    String sourceUrl "(source database)";
    String standard_name_vocabulary "CF Standard Name Table v72";
    String summary "TBC";
    String time_coverage_resolution "PT30M";
    String time_coverage_start "2006-04-10T13:20:00Z";
    String title "Irish Wave Buoy Network - spectral wave parameters";
  }
}

 

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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