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Dataset Title:  SmartBay Observatory Contros pCO2 data   RSS
Institution:  Marine Institute   (Dataset ID: smartbay_obs_pco2_contros)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

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 "Kongsberg Maritime CONTROS HydroC (underwater) CO2 sensor";
    String sdn_instrument_urn "SDN:L22::TOOL1483";
    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 "Kongsberg Maritime";
    String sensor_model "CONTROS HydroC (underwater) CO2 sensor";
    String sensor_mount "mounted_on_benthic_node";
    String sensor_reference "https://www.kongsberg.com/globalassets/maritime/km-products/product-documents/accurate-fast-and-versatile-pco2-flow-through-sensor.pdf";
  }
  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";
  }
  pco2_corrected {
    Float64 _FillValue -9999.0;
    String accuracy "± 0.5 percent of reading";
    String ancillary_variables "instrument_id pCO2_corrected";
    String cell_methods "point";
    String DM_indicator "R";
    String ioos_category "CO2";
    String long_name "partial pressure of carbon dioxide in sea water";
    String processing_level "Instrument data that has been converted to geophysical values";
    String resolution "1 μatm";
    String sdn_instrument_name "Kongsberg Maritime CONTROS HydroC (underwater) CO2 sensor";
    String sdn_instrument_urn "SDN:L22::TOOL1483";
    String sdn_parameter_name "Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body";
    String sdn_parameter_urn "SDN:P01::PCO2XXXX";
    String sdn_units_name "Microatmospheres";
    String sdn_units_urn "SDN:P06::UATM";
    String standard_name "partial_pressure_of_carbon_dioxide_in_sea_water";
    String units "uatm";
    Float64 valid_max 1000.0;
    Float64 valid_min 200.0;
  }
  pco2_corrected_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 "pCO2 data quality flag";
    String sdn_conventions_urn "SDN:L20::";
    String standard_name "quality_flag";
  }
 }
  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-60minutes";
    String defaultGraphQuery "time,pco2_corrected&time>=now-14days&.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 
"2022-10-07T02:00:35Z (source database)
2022-10-07T02:00:35Z https://erddap.marine.ie/tabledap/smartbay_obs_pco2_contros.das";
    String id "ie.marine.data:dataset.4825";
    String infoUrl "http://data.marine.ie/geonetwork/srv/eng/catalog.search#/metadata/ie.marine.data:dataset.4825";
    String institution "Marine Institute";
    String institution_edmo_code "396";
    String institution_references "https://www.marine.ie";
    String keywords "Partial pressure (pCO2) and fugacity (fCO2) of carbon dioxide in 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";
    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 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. A CONTROS HydroC CO2 sensor was installed on the SmartBay cabled observatory in June 2020. The sensor is connected to the fibre and power cable and is transmitting real time high frequency partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} data in the water body at 25 m depth on a continuous basis. 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 "2020-06-23T18:42:00Z";
    String title "SmartBay Observatory Contros pCO2 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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