ERDDAP > tabledap > Data Access Form

Dataset Title:	Under water noise measurement in terms of Sound Pressure Level at 65Hz, 125Hz and 2KHz
Institution:	CETMAR   (Dataset ID: EP_ERD_INT_UWN_NAT)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
time (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2020-06-02T07:10:40Z	2024-11-26T17:40:35Z
platform_code	!= =~ <= >= = < >		!= =~ <= >= = < >		6201038	6201038
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		42.62682	42.62682
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-8.78233	-8.78233
TotalSPL (db)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.13	165.14
SPL63Hz (db)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.18	155.04
SPL125Hz (db)	!= =~ <= >= = < >		!= =~ <= >= = < >		38.22	152.16
SPL2kHz (db)	!= =~ <= >= = < >		!= =~ <= >= = < >		47.49	154.22
SPL5kHz (db)	!= =~ <= >= = < >		!= =~ <= >= = < >		51.44	136.61

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" time platform_code latitude longitude TotalSPL SPL63Hz SPL125Hz SPL2kHz SPL5kHz time platform_code latitude longitude TotalSPL SPL63Hz SPL125Hz SPL2kHz SPL5kHz time platform_code latitude longitude TotalSPL SPL63Hz SPL125Hz SPL2kHz SPL5kHz time platform_code latitude longitude TotalSPL SPL63Hz SPL125Hz SPL2kHz SPL5kHz time platform_code latitude longitude TotalSPL SPL63Hz SPL125Hz SPL2kHz SPL5kHz ")

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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.59108184e+9, 1.732642835e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    String source_name "Column#0";
    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";
  }
  platform_code {
    Int32 actual_range 6201038, 6201038;
    String cf_role "timeseries_id";
    String long_name "platform_code";
    String standard_name "platform_code";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 42.62682, 42.62682;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -8.78233, -8.78233;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  TotalSPL {
    Float32 actual_range 0.13, 165.14;
    String long_name "TotalSPL";
    String units "db";
    String vocabulary "SDN:P01::AMBNSPL1";
    String vocabulary_URL "https://vocab.nerc.ac.uk/collection/P01/current/AMBNSPL1/";
  }
  SPL63Hz {
    Float32 actual_range 0.18, 155.04;
    String long_name "SPL63Hz";
    String units "db";
    String vocabulary "SDN:P01::AMBNSP19";
    String vocabulary_URL "https://vocab.nerc.ac.uk/collection/P01/current/AMBNSP19/";
  }
  SPL125Hz {
    Float32 actual_range 38.22, 152.16;
    String long_name "SPL_AmbientNoise_125Hz_water";
    String units "db";
    String vocabulary "SDN:P01::AMBNSP22";
    String vocabulary_URL "https://vocab.nerc.ac.uk/collection/P01/current/AMBNSP22/";
  }
  SPL2kHz {
    Float32 actual_range 47.49, 154.22;
    String long_name "SPL_AmbientNoise_2000Hz_water";
    String units "db";
    String vocabulary "SDN:P01::AMBNSP34";
    String vocabulary_URL "https://vocab.nerc.ac.uk/collection/P01/current/AMBNSP34/";
  }
  SPL5kHz {
    Float32 actual_range 51.44, 136.61;
    String long_name "SPL_AmbientNoise_5000Hz_water";
    String units "db";
    String vocabulary "SDN:P01::AMBNSP38";
    String vocabulary_URL "https://vocab.nerc.ac.uk/collection/P01/current/AMBNSP38/";
  }
 }
  NC_GLOBAL {
    String area "North Atlantic Ocean";
    String author "Pablo Alvarez, Albert Garcia, David Santos, Antonio cardenal";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "platform_code,latitude,longitude";
    String citation "These data were collected and made freely available by the MarRisk project and the programs that contribute to it";
    String contact "palvarez@cetmar.org, utmar@cetmar.org";
    String Conventions "OceanSITES User's Manual v1.2";
    String distribution_statement "Data are public and free of charge. User assumes all risk for use of data. User must display citation in any publication or product using data. User must contact PI prior to any commercial use of data.";
    Float64 Easternmost_Easting -8.78233;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 42.62682;
    Float64 geospatial_lat_min 42.62682;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -8.78233;
    Float64 geospatial_lon_min -8.78233;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-12-21T12:50:00Z (local files)
2024-12-21T12:50:00Z http://erddap.emodnet-physics.eu/erddap/tabledap/EP_ERD_INT_UWN_NAT.html";
    String infoUrl "http://www.cetmar.org";
    String institution "CETMAR";
    String keywords "noise, underwater noise";
    String license "Creative Commons Attribution Share-Alike http://www.opendefinition.org/licenses/cc-by-sa";
    Float64 Northernmost_Northing 42.62682;
    String pi_name "Pablo Alvarez";
    String references "http://www.oceansites.org, http://www.cetmar.org";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 42.62682;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Under water noise measurement in terms of Sound Pressure Level at 65Hz, 125Hz and 2KHz";
    String testOutOfDate "now-1day";
    String time_coverage_end "2024-11-26T17:40:35Z";
    String time_coverage_start "2020-06-02T07:10:40Z";
    String title "Under water noise measurement in terms of Sound Pressure Level at 65Hz, 125Hz and 2KHz";
    Float64 Westernmost_Easting -8.78233;
    String wmo_platform_code "6201038";
  }
}

 

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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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