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Dataset Title:  SmartBay Observatory SBE16plus CTD data   RSS
Institution:  Marine Institute   (Dataset ID: smartbay_obs_ctd_sbe16)
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 ?
 
 instrument_id ?      
   - +  ?
 oxygen_instrument_id ?      
   - +  ?
 longitude (degrees_east) ?              
 latitude (degrees_north) ?              
 depth (depth of measurement, m) ?              
 time (time of measurement, UTC) ?              
 conductivity (conductivity of sea water, S/m) ?              
 conductivity_qc (conductivity quality flag) ?              
 pressure (decibars) ?              
 pressure_qc (pressure quality flag) ?              
 salinty (salinity, dimensionless) ?              
 salinity_qc (salinity quality flag) ?              
 soundvelocity (m/s) ?              
 soundvelocity_qc (sound velocity quality flag) ?              
 temperature (degrees C) ?              
 temperature_qc (temperature quality flag) ?              
 oxygen_conc_mll (ml/L) ?              
 oxygen_conc_mll_qc ?              
 oxygen_sat (dissolved oxygen saturation, %) ?              
 oxygen_sat_qc ?              
 data_created (UTC) ?              
 data_modified (UTC) ?              
 nrtqc_created (UTC) ?              
 nrtqc_modified (UTC) ?              
 
Server-side Functions ?
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  instrument_id {
    String ioos_category "Identifier";
    String long_name "Instrument Id";
    String sdn_instrument_name "SBE 16+ V2 SEACAT";
    String sdn_instrument_urn "SDN:L22::TOOL0870";
    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 "Sea-Bird";
    String sensor_model "SBE 16+ V2 SEACAT";
    String sensor_mount "mounted_on_benthic_node";
    String sensor_reference "https://www.seabird.com/asset-get.download.jsa?id=54627861925";
  }
  oxygen_instrument_id {
    String ioos_category "Identifier";
    String long_name "Instrument Id";
    String sdn_instrument_name "SBE 43 DO";
    String sdn_instrument_urn "SDN:L22::TOOL0036";
    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 "Sea-Bird";
    String sensor_model "SBE 43 DO";
    String sensor_mount "mounted_on_benthic_node";
    String sensor_reference "https://www.seabird.com/asset-get.download.jsa?id=54627861949";
  }
  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;
  }
  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 "nominal_value";
    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 "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";
  }
  conductivity {
    Float64 _FillValue -9999.0;
    String accuracy "+/-0.0005 S/m";
    String ancillary_variables "instrument_id, conductivity_qc";
    String cell_methods "point";
    String DM_indicator "R";
    String ioos_category "Other";
    String long_name "conductivity of sea water";
    String processing_level "Instrument data that has been converted to geophysical values";
    String resolution "0.00005 S/m";
    String sdn_instrument_name "SBE 16+ V2 SEACAT";
    String sdn_instrument_urn "SDN:L22::TOOL0870";
    String sdn_parameter_name "Electrical conductivity of the water body";
    String sdn_parameter_urn "SDN:P01::CNDCZZ01";
    String sdn_units_name "Siemens per metre";
    String sdn_units_urn "SDN:P06::UECA";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
    Float64 valid_max 9.0;
    Float64 valid_min 0.0;
  }
  conductivity_qc {
    Int32 _FillValue 9;
    String Conventions "SeaDataNet measurand qualifier flags";
    String flag_meanings "no_quality_control good_value probably_bad_value bad_value missing_value";
    String flag_values "0 1 3 4 9";
    String ioos_category "Quality";
    String long_name "conductivity quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
  pressure {
    Float64 _FillValue -9999.0;
    String ancillary_variables "instrument_id, pressure_qc";
    String cell_methods "point";
    String DM_indicator "R";
    String ioos_category "Sea Level";
    String long_name "pressure exerted by sea water and overlying atmosphere";
    String processing_level "Instrument data that has been converted to geophysical values";
    String sdn_instrument_name "SBE 16+ V2 SEACAT";
    String sdn_instrument_urn "SDN:L22::TOOL0870";
    String sdn_parameter_name "Pressure (measured variable) exerted by the water body plus atmosphere by fixed in-situ pressure sensor";
    String sdn_parameter_urn "SDN:P01::PRSTPS01";
    String sdn_units_name "Decibars";
    String sdn_units_urn "SDN:P06::UPDB";
    String standard_name "sea_water_pressure";
    String units "decibars";
  }
  pressure_qc {
    Int32 _FillValue 9;
    String Conventions "SeaDataNet measurand qualifier flags";
    String flag_meanings "no_quality_control good_value probably_bad_value bad_value missing_value";
    String flag_values "0 1 3 4 9";
    String ioos_category "Quality";
    String long_name "pressure quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
  salinty {
    Float64 _FillValue -9999.0;
    String ancillary_variables "instrument_id, salinity_qc";
    String cell_methods "point";
    String DM_indicator "R";
    String ioos_category "Salinity";
    String long_name "salinity";
    String processing_level "Instrument data that has been converted to geophysical values";
    String sdn_instrument_name "SBE 16+ V2 SEACAT";
    String sdn_instrument_urn "SDN:L22::TOOL0870";
    String sdn_parameter_name "Practical salinity of the water body by computation using UNESCO 1983 algorithm";
    String sdn_parameter_urn "SDN:P01::PSALZZXX";
    String sdn_units_name "Dimensionless";
    String sdn_units_urn "SDN:P06::UUUU";
    String standard_name "sea_water_salinity";
    String units "dimensionless";
    Float64 valid_max 40.0;
    Float64 valid_min 0.0;
  }
  salinity_qc {
    Int32 _FillValue 9;
    String Conventions "SeaDataNet measurand qualifier flags";
    String flag_meanings "no_quality_control good_value probably_bad_value bad_value missing_value";
    String flag_values "0 1 3 4 9";
    String ioos_category "Quality";
    String long_name "salinity quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
  soundvelocity {
    Float64 _FillValue -9999.0;
    String ancillary_variables "instrument_id, soundvelocity_qc";
    String cell_methods "point";
    String DM_indicator "R";
    String ioos_category "Other";
    String long_name "sound velocity in sea water";
    String processing_level "Instrument data that has been converted to geophysical values";
    String sdn_instrument_name "SBE 16+ V2 SEACAT";
    String sdn_instrument_urn "SDN:L22::TOOL0870";
    String sdn_parameter_name "Sound velocity in the water body";
    String sdn_parameter_urn "SDN:P01::SVELXXXX";
    String sdn_units_name "Metres per second";
    String sdn_units_urn "SDN:P06::UVAA";
    String standard_name "speed_of_sound_in_sea_water";
    String units "m/s";
  }
  soundvelocity_qc {
    Int32 _FillValue 9;
    String Conventions "SeaDataNet measurand qualifier flags";
    String flag_meanings "no_quality_control good_value probably_bad_value bad_value missing_value";
    String flag_values "0 1 3 4 9";
    String ioos_category "Quality";
    String long_name "sound velocity quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
  temperature {
    Float64 _FillValue -9999.0;
    String accuracy "+/- 0.005 degrees C";
    String ancillary_variables "instrument_id, temperature_qc";
    String cell_methods "point";
    String DM_indicator "R";
    String ioos_category "Temperature";
    String long_name "Temperature";
    String processing_level "Instrument data that has been converted to geophysical values";
    String reference_scale "ITS-90";
    String resolution "0.0001 degrees C";
    String sdn_instrument_name "SBE 16+ V2 SEACAT";
    String sdn_instrument_urn "SDN:L22::TOOL0870";
    String sdn_parameter_name "Temperature of the water body";
    String sdn_parameter_urn "SDN:P01::TEMPPR01";
    String sdn_units_name "Degrees Celsius";
    String sdn_units_urn "SDN:P06::UPAA";
    String standard_name "sea_water_temperature";
    String units "degrees C";
    Float64 valid_max 35.0;
    Float64 valid_min -5.0;
  }
  temperature_qc {
    Int32 _FillValue 9;
    String Conventions "SeaDataNet measurand qualifier flags";
    String flag_meanings "no_quality_control good_value probably_bad_value bad_value missing_value";
    String flag_values "0 1 3 4 9";
    String ioos_category "Quality";
    String long_name "temperature quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
  oxygen_conc_mll {
    Float64 _FillValue -9999.0;
    String ancillary_variables "oxygen_instrument_id, oxygen_conc_mll_qc";
    String cell_methods "point";
    String DM_indicator "R";
    String ioos_category "Dissolved O2";
    String long_name "dissolved oxygen concentration";
    String processing_level "Instrument data that has been converted to geophysical values";
    String sdn_instrument_name "SBE 43 DO";
    String sdn_instrument_urn "SDN:L22::TOOL0036";
    String sdn_parameter_name "Concentration of oxygen {O2 CAS 7782-44-7} per unit volume of the water body [dissolved plus reactive particulate phase]";
    String sdn_parameter_urn "SDN:P01::DOXYZZXX";
    String sdn_units_name "Millilitres per litre";
    String sdn_units_urn "SDN:P06::UMLL";
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
    String units "ml/L";
  }
  oxygen_conc_mll_qc {
    Int32 _FillValue 9;
    String Conventions "SeaDataNet measurand qualifier flags";
    String flag_meanings "no_quality_control good_value probably_bad_value bad_value missing_value";
    String flag_values "0 1 3 4 9";
    String ioos_category "Quality";
    String long_name "dissolved oxygen concentration quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
  oxygen_sat {
    Float64 _FillValue -9999.0;
    String accuracy "+/-2% saturation";
    String ancillary_variables "oxygen_instrument_id, oxygen_sat_qc";
    String cell_methods "point";
    String DM_indicator "R";
    String ioos_category "Dissolved O2";
    String long_name "dissolved oxygen saturation";
    String processing_level "Instrument data that has been converted to geophysical values";
    String sdn_instrument_name "SBE 43 DO";
    String sdn_instrument_urn "SDN:L22::TOOL0036";
    String sdn_parameter_name "Saturation of oxygen {O2 CAS 7782-44-7} in the water body [dissolved plus reactive particulate phase]";
    String sdn_parameter_urn "SDN:P01::OXYSZZ01";
    String sdn_units_name "Percent";
    String sdn_units_urn "SDN:P06::UPCT";
    String standard_name "volume_fraction_of_oxygen_in_sea_water";
    String units "%";
    Float64 valid_max 120.0;
    Float64 valid_min 0.0;
  }
  oxygen_sat_qc {
    Int32 _FillValue 9;
    String Conventions "SeaDataNet measurand qualifier flags";
    String flag_meanings "no_quality_control good_value probably_bad_value bad_value missing_value";
    String flag_values "0 1 3 4 9";
    String ioos_category "Quality";
    String long_name "dissolved oxygen saturation quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
  data_created {
    String ioos_category "Time";
    String long_name "time of data load to database";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  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";
  }
  nrtqc_created {
    String ioos_category "Time";
    String long_name "time of nrt qc check outputs load to database";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  nrtqc_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 "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 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://spiddal.marine.ie";
    String data_mode "R";
    String data_type "OceanSITES time-series data";
    String date_created "2021-12-09";
    String defaultDataQuery "&time>=now-30days";
    String defaultGraphQuery "time,temperature&time>=now-90days&.draw=lines";
    String emso_facility "SmartBay";
    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 "-9.26629";
    String geospatial_lon_min "-9.26629";
    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 
"2021-12-09: 1 minute averages published.
2022-10-07T03:06:21Z (source database)
2022-10-07T03:06:21Z https://erddap.marine.ie/erddap/tabledap/smartbay_obs_ctd_sbe16.html";
    String id "ie.marine.data:dataset.2837";
    String infoUrl "http://data.marine.ie/geonetwork/srv/eng/catalog.search#/metadata/ie.marine.data:dataset.2837";
    String institution "Marine Institute";
    String institution_edmo_code "396";
    String institution_references "https://www.marine.ie";
    String keywords "Dissolved oxygen parameters in the water column, Electrical conductivity of the water column, Salinity of the water column, Sea level, Sound velocity and travel time in the water column, Temperature of the water column";
    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 "EMSO-ERIC";
    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 "https://www.marine.ie";
    String source "fixed benthic node";
    String source_platform_category_code "11";
    String sourceUrl "(source database)";
    String standard_name_vocabulary "CF Standard Name Table v72";
    String subsetVariables "instrument_id, oxygen_instrument_id";
    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. The observatory 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 Galway Bay 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 Galway 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 CTD (Conductivity, Temperature, Depth) and Oxygen Dataset comprises of the raw data that is collected from the Galway Observatory site using a SeaBird 16plus Conductivity-Temperature-Depth (CTD) sensor probe. The sensor measures the temperature and conductivity of the seawater. The conductivity is used to calculate an estimate of the salinity. The pressure exerted by the seawater above is used to calculate the depth of the sensor, and these parameters are also used to estimate the speed of sound within the sea. The SBE16plus CTD has also been equipped with a SBE43 dissolved oxygen sensor which measures the dissolved oxygen concentration of the seawater. The sensor is deployed on the EMSO Smartbay Cable End Equipment Node in Galway Bay in approx. 25m depth of water.";
    String time_coverage_resolution "PT1M";
    String time_coverage_start "2021-10-06T06:20:00Z";
    String title "SmartBay Observatory SBE16plus CTD 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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