ERDDAP > tabledap > Data Access Form

Dataset Title:	Wave Forecast at MyCOAST project locations
Institution:	MyCOAST   (Dataset ID: mycoast_waveforecast)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Subset | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum    or a List of Values	Maximum
time (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2024-10-08T00:00:00Z	2024-10-15T00:00:00Z
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-9.03736 -9.024333 -8.993595 -8.959405 -8.953757 -8.947833 -8.93458 -8.92408 -8.91953 -8.898335 -8.897895 -8.8975 -8.89736 -8.893167 -8.88669 -8.885275 -8.88472 -8.859225 -8.855135 -8.850835 -8.847655 -8.84763 -8.83933 -8.839294 -8.838335 -8.836936 -8.825 -8.820555 -8.81875 -8.80389 -8.8 -8.79264 -8.771085 -8.76577 -7.485468 -4.365 -4.21495 -3.783 -2.8848 -2.4472
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		36.85355 41.3777 41.67543 41.90467 42.14182 42.17817 42.24416 42.245 42.24625 42.30192 42.33778 42.34753 42.3577 42.48804 42.49479 42.49515 42.5027 42.50391 42.51833 42.51934 42.54875 42.54967 42.55362 42.56239 42.56403 42.57417 42.57555 42.57861 42.6025 42.60334 42.60819 42.61 42.75633 42.78292 43.3575 43.4682 43.83333 50.0355 50.25015
stationID	!= =~ <= >= = < >		!= =~ <= >= = < >		"A_Guarda" "AGL_Buoy" "Algarve" "Baiona_A" "BIMEP" "Bueu_A1" "Bueu_A2" "Bueu_B" "Cambados_A1" "Cambados_B" "Cambados_C1_Norte" "Cambados_C2_Sur" "Cambados_D" "Cambados_E_merge" "Cangas_B" "Cangas_F" "Cangas_G" "Cangas_H" "Cies" "Cortegada" "Grove_A" "Grove_C1" "Grove_C2" "Grove_C3" "Grove_C4" "Mendexa" "Muros" "Muros_B" "Povoa" "Puebla_D" "Puebla_E" "Puebla_H" "Ribeira" "Ribeira_B" "Ribeira_C" "Viana" "Villagarcia_A" "Villagarcia_B" "Western_Channel_Observatory_E1" "Western_Channel_Observatory_L4"
significant_wave_height (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		1.7E-4	5.76443
mean_wave_period (s)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.7695	10.9361
mean_wave_direction (mean wave to direction, degrees)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.004	359.989
wave_power_per_unit_crest_length (kW/m)	!= =~ <= >= = < >		!= =~ <= >= = < >		1.8883693500000002E-8	226.3529211949543
peak_period (s)	!= =~ <= >= = < >		!= =~ <= >= = < >		1.1845	19.2261
energy_period (Wave energy period, s)	!= =~ <= >= = < >		!= =~ <= >= = < >		1.0312	15.0071
project_code	!= =~ <= >= = < >		!= =~ <= >= = < >		"MYCO"

 

Server-side Functions

distinct()

orderBy orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean (" time longitude latitude stationID significant_wave_height mean_wave_period mean_wave_direction wave_power_per_unit_crest_length peak_period energy_period project_code time longitude latitude stationID significant_wave_height mean_wave_period mean_wave_direction wave_power_per_unit_crest_length peak_period energy_period project_code time longitude latitude stationID significant_wave_height mean_wave_period mean_wave_direction wave_power_per_unit_crest_length peak_period energy_period project_code time longitude latitude stationID significant_wave_height mean_wave_period mean_wave_direction wave_power_per_unit_crest_length peak_period energy_period project_code time longitude latitude stationID significant_wave_height mean_wave_period mean_wave_direction wave_power_per_unit_crest_length peak_period energy_period project_code ")

File type: (more info) .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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.7283456e+9, 1.7289504e+9;
    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 units "seconds since 1970-01-01T00:00:00Z";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -9.03736, -2.4472;
    String axis "X";
    String ioos_category "Location";
    String long_name "longitude in decimal degree east";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 36.85355, 50.25015;
    String axis "Y";
    String ioos_category "Location";
    String long_name "latitude in decimal degree north";
    String standard_name "latitude";
    String units "degrees_north";
  }
  stationID {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station ID";
  }
  significant_wave_height {
    Float64 actual_range 1.7e-4, 5.76443;
    String ioos_category "Surface Waves";
    String long_name "significant wave height";
    String units "m";
  }
  mean_wave_period {
    Float64 actual_range 0.7695, 10.9361;
    String ioos_category "Surface Waves";
    String long_name "mean absolute zero-crossing period (TM02)";
    String units "s";
  }
  mean_wave_direction {
    Float64 actual_range 0.004, 359.989;
    String ioos_category "Surface Waves";
    String long_name "mean wave to direction";
    String units "degrees";
  }
  wave_power_per_unit_crest_length {
    Float64 actual_range 1.8883693500000002e-8, 226.3529211949543;
    String ioos_category "Surface Waves";
    String long_name "wave power per unit crest length";
    String units "kW/m";
  }
  peak_period {
    Float32 actual_range 1.1845, 19.2261;
    String comment "tp peak period";
    String ioos_category "Surface Waves";
    String long_name "sea_surface_wave_period_at_variance_spectral_density_maximum";
    String standard_name "sea_surface_wave_period_at_variance_spectral_density_maximum";
    String units "s";
  }
  energy_period {
    Float32 actual_range 1.0312, 15.0071;
    String ioos_category "Surface Waves";
    String long_name "Wave energy period";
    String standard_name "sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment";
    String units "s";
  }
  project_code {
    String ioos_category "Other";
    String long_name "project_code";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "stationID, longitude, latitude";
    String Conventions "COARDS, CF-1.4, Unidata Dataset Discovery v1.0";
    Float64 Easternmost_Easting -2.4472;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 50.25015;
    Float64 geospatial_lat_min 36.85355;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -2.4472;
    Float64 geospatial_lon_min -9.03736;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-12-22T02:17:39Z http://mycoast-project.org/
2024-12-22T02:17:39Z https://erddap.marine.ie/erddap/tabledap/mycoast_waveforecast.html";
    String infoUrl "http://mycoast-project.org/";
    String institution "MyCOAST";
    String keywords "EARTH SCIENCE, Tide";
    String license "Creative Commons Attribution 4.0 (https://creativecommons.org/licenses/by/4.0/)";
    String Metadata_Conventions "COARDS, CF-1.4, Unidata Dataset Discovery v1.0";
    Float64 Northernmost_Northing 50.25015;
    String sourceUrl "http://mycoast-project.org/";
    Float64 Southernmost_Northing 36.85355;
    String subsetVariables "stationID, longitude, latitude, project_code";
    String summary "MyCOAST Wave Forecast at project locations";
    String time_coverage_end "2024-10-15T00:00:00Z";
    String time_coverage_start "2024-10-08T00:00:00Z";
    String title "Wave Forecast at MyCOAST project locations";
    Float64 Westernmost_Easting -9.03736;
  }
}

 

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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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