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Dataset Title:  SmartBay Observatory Hydrophone data Subscribe RSS
Institution:  Marine Institute   (Dataset ID: MarineInstitute_galway_obs_hydrophone)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Make a graph
 
Variable ?   Optional
Constraint #1 ? 		Optional
Constraint #2 ? 		   Minimum ?
   or a List of Values ? 		   Maximum ?
 
 device ?      
   - +  ?
 model ?      
   - +  ?
 instrument_id ?      
   - +  ?
 serial_no (Serial number) ?      
   - +  ?
 longitude (degrees_east) ?              
 latitude (degrees_north) ?              
 depth (depth of measurement, m) ?              
 time (time of measurement, UTC) ?              
 bin_width_hz ?              
 db_re_1u_pa_63hz ?              
 db_re_1u_pa_125hz ?              
 db_re_1u_pa_1000hz ?              
 db_re_1u_pa_2000hz ?              
 db_ref_re_1upa ?              
 db_ref_re_1v ?              
 fft_size ?              
 sample_rate ?              
 spl_total ?              
 
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 {
  device {
    String ioos_category "Unknown";
    String long_name "Device";
  }
  model {
    String ioos_category "Unknown";
    String long_name "Model";
  }
  instrument_id {
    String ioos_category "Identifier";
    String long_name "Instrument Id";
  }
  serial_no {
    String ioos_category "Identifier";
    String long_name "Serial number";
    String sdn_instrument_name "Ocean Sonics icListen HF hydrophone";
    String sdn_instrument_urn "SDN:L22::TOOL0942";
    String sdn_parameter_name "Serial number of instrument";
    String sdn_parameter_urn "SDN:P01::SERNUMZZ";
    String sdn_units_name "Not applicable";
    String sdn_units_urn "SDN:P06::XXXX";
    String sensor_manufacturer "Ocean Sonics";
    String sensor_model "icListen HF hydrophone";
    String sensor_mount "mounted_on_benthic_node";
    String sensor_reference "https://oceansonics.com/products/iclisten-hf/";
  }
  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 "unknown";
    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 "unknown";
    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;
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    String axis "Z";
    String coordinate_reference_frame "urn:ogc:def:crs:EPSG::5715";
    String ioos_category "Location";
    String long_name "depth of measurement";
    String positive "down";
    String Processing_level "Instrument data that has been converted to geophysical values";
    String QC_indicator "unknown";
    String reference "mean_sea_level";
    String sdn_parameter_name 
"Depth (spatial coordinate) relative to water surface in the water 
body";
    String sdn_parameter_urn "SDN:P01::ADEPZZ01";
    String sdn_units_name "Metres";
    String sdn_units_urn "SDN:P06::ULAA";
    String standard_name "depth";
    String units "m";
    Float64 valid_max 12000.0;
    Float64 valid_min 0.0;
  }
  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 "unknown";
    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";
  }
  bin_width_hz {
    String ioos_category "Unknown";
    String long_name "Bin Width Hz";
  }
  db_re_1u_pa_63hz {
    String ioos_category "Unknown";
    String long_name "Db Re 1u Pa 63hz";
  }
  db_re_1u_pa_125hz {
    String ioos_category "Unknown";
    String long_name "Db Re 1u Pa 125hz";
  }
  db_re_1u_pa_1000hz {
    String ioos_category "Unknown";
    String long_name "Db Re 1u Pa 1000hz";
  }
  db_re_1u_pa_2000hz {
    String ioos_category "Unknown";
    String long_name "Db Re 1u Pa 2000hz";
  }
  db_ref_re_1upa {
    String ioos_category "Unknown";
    String long_name "Db Ref Re 1upa";
  }
  db_ref_re_1v {
    String ioos_category "Unknown";
    String long_name "Db Ref Re 1v";
  }
  fft_size {
    String ioos_category "Unknown";
    String long_name "Fft Size";
  }
  sample_rate {
    String ioos_category "Unknown";
    String long_name "Sample Rate";
  }
  spl_total {
    String ioos_category "Unknown";
    String long_name "Spl Total";
  }
 }
  NC_GLOBAL {
    String acknowledgement 
"The SmartBay Observatory was funded in part by a grant from Science 
Foundation Ireland under Grant Number 12/RI/2331. Ongoing operation of the observatory is funded by the Marine 
Institute and Sustainable Energy Authority of Ireland.";
    String area "North Atlantic Ocean";
    String array "SmartBay";
    String cdm_data_type "Point";
    String citation 
"Gaughan, Paul. (2019) Galway Bay Observatory Hydrophone Processed Data Marine 
Institute, Ireland. 10/c3jm.";
    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, NCCSV-1.1";
    String creator_name "Marine Institute";
    String creator_url "http://spiddal.marine.ie";
    String data_mode "R";
    String data_type "OceanSITES time-series data";
    String date_created "2015-09-22";
    String defaultDataQuery "&time>=now-30minutes";
    String defaultGraphQuery "time,db_re_1u_pa_125hz&time>=now-1days&.draw=lines";
    String doi "https://doi.org/10/c3jm";
    String featureType "Point";
    String geospatial_lat_max "53.22733";
    String geospatial_lat_min "53.22733";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_max "-9.26632";
    String geospatial_lon_min "-9.26632";
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_max "20";
    String geospatial_vertical_min "20";
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2020-04-21: Metadata attributes enhanced following OceanSITES and SeaDataNet 
attribute and vocabulary requirements.
        2020-05-13: Metadata attributes enhanced following Copernicus Marine In Situ NetCDF format manual.
2024-11-21T08:32:18Z (Cassandra)
2024-11-21T08:32:18Z http://erddap.emodnet-physics.eu/erddap/tabledap/MarineInstitute_galway_obs_hydrophone.html";
    String id "ie.marine.data:dataset.2939";
    String infoUrl "http://data.marine.ie/geonetwork/srv/eng/catalog.search#/metadata/ie.marine.data:dataset.2939";
    String institution "Marine Institute";
    String institution_edmo_code "396";
    String institution_references "https://www.marine.ie";
    String keywords "Sound pressure level of ambient noise in the water body";
    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 principal_investigator "Paul Gaughan";
    String principal_investigator_email "paul.gaughan@marine.ie";
    String principal_investigator_url "https://www.smartbay.ie/";
    String processing_level "Instrument data that has been converted to geophysical values";
    String publisher_email "data_requests@marine.ie";
    String publisher_name "Marine Institute";
    String publisher_url "www.marine.ie";
    String QC_indicator "unknown";
    String source "fixed benthic node";
    String source_platform_category_code "11";
    String sourceUrl "(Cassandra)";
    String standard_name_vocabulary "CF Standard Name Table v72";
    String subsetVariables "device,model,instrument_id,serial_no";
    String summary 
"The SmartBay Observatory in Galway Bay is an underwater observatory which uses 
cameras, probes and sensors to permit continuous and remote live underwater monitoring. It was installed in 2015 
on the seafloor 1.5km off the coast of Spiddal, Co. Galway, Ireland at a depth of 20-25m. Underwater 
observatories allow ocean researchers unique real-time access to monitor ongoing changes in the marine 
environment. The SmartBay Observatory is an important contribution by Ireland to the growing global network of 
real-time data capture systems deployed in the ocean. Data relating to the marine environment at the SmartBay 
Observatory site is transferred in real-time through a fibre optic telecommunications cable to the Marine 
Institute headquarters and then made publically available on the internet. The data includes a live video 
stream, the depth of the observatory node, the water temperature and salinity, and estimates of the chlorophyll 
and turbidity levels in the water which give an indication of the volume of phytoplankton and other particles, 
such as sediment, in the water. Maintenance take place on the observatory every 18 to 24 months.This dataset 
comprises of processed acoustic data that has been collected from the SmartBay Observatory using an icListen HF 
Smart Hydrophone – a digital hydrophone that processes and stores acoustic data. The dataset comprises of 
processed data, collected from the SmartBay Observatory since its installation in 2015. The wide frequency range 
hydrophone is installed on a separate lander approximately 30m away from the EMSO Smartbay Cable End Equipment 
Node in Galway Bay in approx. 25m depth of water at 53 degrees 13.640'N 9 degrees 15.979'W.";
    String time_coverage_resolution "PT20S";
    String time_coverage_start "2015-09-22T08:00:27Z";
    String title "SmartBay Observatory Hydrophone data";
  }
}

 

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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