ERDDAP > tabledap > Data Access Form

Dataset Title:	St. Pierre et Miquelon Wave Buoy
Institution:	Cerema   (Dataset ID: candhis_spm_97501_timeseries)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
station_id	!= =~ <= >= = < >		!= =~ <= >= = < >		"97501"	"97501"
time (Timestamp, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2022-09-14T14:30:00Z	2024-08-28T23:30:00Z
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		46.7	46.7
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-56.1833	-56.1833
wave_ht_sig (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	7.1
wave_ht_max (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	13.0
wave_period_avg (s)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	14.1
timestamp_internal (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		1900-01-01T00:00:00Z	2024-08-28T23:00:00Z
wave_ht_sig_Hm0 (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	14.2
wave_period (s)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	16.0
wave_period_peak (s)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	28.6
wave_direction_peak_spectral (spectral)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	356
wave_spread_peak (degree)	!= =~ <= >= = < >		!= =~ <= >= = < >		0	81
sea_surface_temp_avg (degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	19.9
peak_power_spectral_density (m2 Hz-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	766.774841

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" station_id time latitude longitude wave_ht_sig wave_ht_max wave_period_avg timestamp_internal wave_ht_sig_Hm0 wave_period wave_period_peak wave_direction_peak_spectral wave_spread_peak sea_surface_temp_avg peak_power_spectral_density station_id time latitude longitude wave_ht_sig wave_ht_max wave_period_avg timestamp_internal wave_ht_sig_Hm0 wave_period wave_period_peak wave_direction_peak_spectral wave_spread_peak sea_surface_temp_avg peak_power_spectral_density station_id time latitude longitude wave_ht_sig wave_ht_max wave_period_avg timestamp_internal wave_ht_sig_Hm0 wave_period wave_period_peak wave_direction_peak_spectral wave_spread_peak sea_surface_temp_avg peak_power_spectral_density station_id time latitude longitude wave_ht_sig wave_ht_max wave_period_avg timestamp_internal wave_ht_sig_Hm0 wave_period wave_period_peak wave_direction_peak_spectral wave_spread_peak sea_surface_temp_avg peak_power_spectral_density station_id time latitude longitude wave_ht_sig wave_ht_max wave_period_avg timestamp_internal wave_ht_sig_Hm0 wave_period wave_period_peak wave_direction_peak_spectral wave_spread_peak sea_surface_temp_avg peak_power_spectral_density ")

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 {
  station_id {
    String actual_range 
"97501
97501";
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station ID";
    String long_name_fr "Code campagne";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.6631658e+9, 1.7248878e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Timestamp";
    String source_name "timestamp";
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 46.7, 46.7;
    String axis "Y";
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -56.1833, -56.1833;
    String axis "X";
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  wave_ht_sig {
    Float32 actual_range 0.0, 7.1;
    String ioos_category "Surface Waves";
    String long_name "Wave Ht Sig";
    String standard_name "sea_surface_wave_significant_height";
    String units "m";
  }
  wave_ht_max {
    Float32 actual_range 0.0, 13.0;
    String ioos_category "Surface Waves";
    String long_name "Wave Ht Max";
    String standard_name "sea_surface_wave_maximum_height";
    String units "m";
  }
  wave_period_avg {
    Float32 actual_range 0.0, 14.1;
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Swell Wave Period";
    String standard_name "sea_surface_swell_wave_period";
    String units "s";
  }
  timestamp_internal {
    Float64 actual_range -2.2089888e+9, 1.724886e+9;
    String ioos_category "Time";
    String long_name "Timestamp Internal";
    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";
  }
  wave_ht_sig_Hm0 {
    Float32 actual_range 0.0, 14.2;
    String ioos_category "Surface Waves";
    String long_name "Wave Ht Sig Hm0";
    String standard_name "sea_surface_wave_significant_height";
    String units "m";
  }
  wave_period {
    Float32 actual_range 0.0, 16.0;
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Swell Wave Period";
    String standard_name "sea_surface_swell_wave_period";
    String units "s";
  }
  wave_period_peak {
    Float32 actual_range 0.0, 28.6;
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Swell Wave Period";
    String standard_name "sea_surface_swell_wave_period";
    String units "s";
  }
  wave_direction_peak_spectral {
    Int16 _FillValue 32767;
    Int16 actual_range 0, 356;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Wave Direction Peak Spectral";
    String standard_name "sea_surface_wave_directional_spread_at_variance_spectral_density_maximum";
    String units "spectral";
  }
  wave_spread_peak {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 81;
    String ioos_category "Surface Waves";
    String long_name "Wave Spread Peak";
    String standard_name "sea_surface_wave_directional_spread";
    String units "degree";
  }
  sea_surface_temp_avg {
    Float32 actual_range 0.0, 19.9;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Temp Avg";
    String standard_name "sea_surface_temperature";
    String units "degree_C";
  }
  peak_power_spectral_density {
    Float64 actual_range 0.0, 766.774841;
    String ioos_category "Physical Oceanography";
    String long_name "Peak Power Spectral Density";
    String standard_name "sea_surface_wave_energy_at_variance_spectral_density_maximum";
    String units "m2 Hz-1";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id,longitude,latitude";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Cerema";
    String creator_type "institution";
    String creator_url "https://candhis.cerema.fr/";
    Float64 Easternmost_Easting -56.1833;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 46.7;
    Float64 geospatial_lat_min 46.7;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -56.1833;
    Float64 geospatial_lon_min -56.1833;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-11-21T15:50:32Z (local files)
2024-11-21T15:50:32Z https://cioosatlantic.ca/erddap/tabledap/candhis_spm_97501_timeseries.html";
    String infoUrl "https://candhis.cerema.fr/_public_/campagne.php?Y2FtcD05NzUwMQ==";
    String institution "Cerema";
    String instrument "Houlographe Datawell DWR MkIII 70";
    String keywords "average, buoy, data, density, direction, earth, Earth Science > Oceans > Ocean Waves > Swells, Earth Science > Oceans > Ocean Waves > Wave Period, hm0, internal, max, miquelon, ocean, oceanography, oceans, peak, peak_power_spectral_density, period, physical, physical oceanography, pierre, power, science, sea, sea_surface_swell_wave_period, sea_surface_temp_avg, sig, spectral, spread, surface, surface waves, swell, swells, temperature, time, timestamp, timestamp_internal, wave, wave_direction_peak_spectral, wave_ht_max, wave_ht_sig, wave_ht_sig_Hm0, wave_period, wave_period_avg, wave_period_peak, wave_spread_peak, waves";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "https://creativecommons.org/licenses/by/4.0/";
    Float64 Northernmost_Northing 46.7;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 46.7;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "St. Pierre et Miquelon Wave Buoy";
    String testOutOfDate "now-1hour";
    String time_coverage_end "2024-08-28T23:30:00Z";
    String time_coverage_start "2022-09-14T14:30:00Z";
    String title "St. Pierre et Miquelon Wave Buoy";
    Float64 Westernmost_Easting -56.1833;
  }
}

 

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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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