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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  GEOSTAR Observatory CTD data (2009-2009) Subscribe RSS
Institution:  Istituto Nazionale Geofisica e Vulcanologia - Sez. Roma2   (Dataset ID: LIDO_CTD_2009_2009)
Range: longitude = -9.518245 to -9.518245°E, latitude = 36.352917 to 36.352917°N, depth = 3180.0 to 3180.0m, time = 2009-10-31T00:00:00Z to 2010-07-10T23:00:00Z
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 {
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 3180.0, 3180.0;
    String ancillary_variables "DEPTH_QC";
    String axis "Z";
    String ioos_category "Location";
    String long_name "depth of measurements";
    String positive "down";
    String sdn_P02_urn "SDN:P02::AHGT";
    String sdn_parameter_name "Depth (spatial coordinate) relative to water surface in the water body";
    String sdn_parameter_urn "SDN:P01::ADEPZZ01";
    String sdn_uom_name "SDN:P06::ULAA";
    String sdn_uom_urn "meters";
    String standard_name "depth";
    String units "m";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -9.518245, -9.518245;
    String ancillary_variables "POSITION_QC";
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "longitude of measurements";
    String sdn_P02_urn "SDN:P02::ALAT";
    String sdn_parameter_name "Longitude east";
    String sdn_parameter_urn "SDN:P01::ALONZZ01";
    String sdn_uom_name "Degrees east";
    String sdn_uom_urn "SDN:P06::DEGE";
    String standard_name "longitude";
    String units "degrees_east";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.2569472e+9, 1.2788028e+9;
    String ancillary_variables "TIME_QC";
    String axis "T";
    String cf_role "timeseries_id";
    String ioos_category "Time";
    String long_name "time of measurements";
    String sdn_P02_urn "SDN:P02::AYMD";
    String sdn_parameter_name "Elapsed time relative to 1970-01-01T00:00:00Z";
    String sdn_parameter_urn "SDN:P01::ELTMEP01";
    String sdn_uom_name "seconds";
    String sdn_uom_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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 36.352917, 36.352917;
    String ancillary_variables "POSITION_QC";
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "latitude of measurements";
    String sdn_P02_urn "SDN:P02::ALAT";
    String sdn_parameter_name "Latitude north";
    String sdn_parameter_urn "SDN:P01::ALATZZ01";
    String sdn_uom_name "Degrees north";
    String sdn_uom_urn "SDN:P06::DEGN";
    String standard_name "latitude";
    String units "degrees_north";
  }
  TEMP {
    Float32 _FillValue -999.0;
    Float32 actual_range 2.482, 2.667;
    String ancillary_variables "TEMP_QC";
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Temperature";
    String long_name "temperature";
    Float32 missing_value -999.0;
    String reference_scale "ITS-90";
    String sdn_P02_urn "SDN:P02::TEMP";
    String sdn_parameter_name "Temperature of the water body";
    String sdn_parameter_urn "SDN:P01::TEMPPR01";
    String sdn_uom_name "Degrees Celsius";
    String sdn_uom_urn "SND:P06::UPAA";
    String sensor_manufacturer "SBE";
    String sensor_model "SBE16plus V2";
    String sensor_mount "mounted on mooring line";
    String sensor_orientation "vertical";
    String sensor_reference "https://www.seabird.com/sbe-16plus-v2-seacat/product?id=60761421598";
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  CNDC {
    Float32 _FillValue -999.0;
    Float32 actual_range 3246.1, 3264.0;
    String ancillary_variables "CNDC_QC";
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    String comment "nan";
    String ioos_category "Salinity";
    String long_name "conductivity";
    String sdn_P02_urn "SDN:P02::CNDC";
    String sdn_parameter_name "Electrical conductivity of the water body";
    String sdn_parameter_urn "SDN:P01::CNDCZZ01";
    String sdn_uom_name "MilliSiemens per centimetre";
    String sdn_uom_urn "SDN:P06::MSCM";
    String sensor_manufacturer "SBE";
    String sensor_model "SBE16plus V2";
    String sensor_mount "mounted on mooring line";
    String sensor_orientation "vertical";
    String sensor_reference "https://www.seabird.com/sbe-16plus-v2-seacat/product?id=60761421598";
    String standard_name "sea_water_electrical_conductivity";
    String units "mS/cm or mS cm-1";
  }
  PRES {
    Float32 _FillValue -999.0;
    Float32 actual_range 3227.563, 3231.25;
    String ancillary_variables "PRES_QC";
    Float64 colorBarMaximum 5000.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Pressure";
    String long_name "pressure";
    String sdn_P02_urn "SDN:P02::ASLV";
    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_uom_name "Decibars";
    String sdn_uom_urn "SDN:P06::UPDB";
    String sensor_manufacturer "SBE";
    String sensor_model "SBE16plus V2";
    String sensor_mount "mounted on mooring line";
    String sensor_orientation "vertical";
    String sensor_reference "https://www.seabird.com/sbe-16plus-v2-seacat/product?id=60761421598";
    String standard_name "sea_water_pressure";
    String units "decibar";
  }
  TEMP_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 9;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0,1,2,3,4,5,6,7,8,9";
    String ioos_category "Quality";
    String long_name "Temperature quality flag";
  }
  TIME_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 1;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0,1,2,3,4,5,6,7,8,9";
    String ioos_category "Quality";
    String long_name "Time quality flag";
  }
  CNDC_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 9;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0,1,2,3,4,5,6,7,8,9";
    String ioos_category "Quality";
    String long_name "Conductivity quality flag";
  }
  PRES_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 9;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0,1,2,3,4,5,6,7,8,9";
    String ioos_category "Quality";
    String long_name "Pressure quality flag";
  }
  DEPTH_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 1;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0,1,2,3,4,5,6,7,8,9";
    String ioos_category "Quality";
    String long_name "Depth quality flag";
    String standard_name "depth";
  }
  POSITION_QC {
    Byte _FillValue -127;
    String _Unsigned "false";
    Byte actual_range 1, 1;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0,1,2,3,4,5,6,7,8,9";
    String ioos_category "Quality";
    String long_name "Position quality flag";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "depth,latitude,longitude,time";
    String Conventions "OceanSITES-1.5,SeaDataNet_1.0,COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Istituto Nazionale Geofisica e Vulcanologia - Sez. Roma2";
    String creator_url "www.moist.it";
    String data_mode "D";
    String data_type "OceanSITES time-series data";
    String date_created "2022-11-11T11:22:22Z";
    Float64 Easternmost_Easting -9.518245;
    String featureType "TimeSeries";
    String format_version "1.5";
    Float64 geospatial_lat_max 36.352917;
    Float64 geospatial_lat_min 36.352917;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -9.518245;
    Float64 geospatial_lon_min -9.518245;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 3180.0;
    Float64 geospatial_vertical_min 3180.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"fixed benthic node
2022-12-05T05:27:35Z (local files)
2022-12-05T05:27:35Z http://oceano.bo.ingv.it/tabledap/LIDO_CTD_2009_2009.das";
    String infoUrl "http://www.moist.it/projects/esonet-noe-lido/2";
    String institution "Istituto Nazionale Geofisica e Vulcanologia - Sez. Roma2";
    String institution_edmo_code "3917";
    String keywords "2009-2009, CNDC, CNDC_QC, conductivity, ctd, data, density, depth, DEPTH_QC, earth, Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, electrical, electrical conductivity of the water column, flag, geofisica, geostar, identifier, istituto, latitude, longitude, MACMAP, nazionale, observatory, ocean, oceans, position, POSITION_QC, PRES, PRES_QC, pressure, quality, roma2, salinity, science, sea, sea_water_electrical_conductivity, sea_water_pressure, sea_water_temperature, seawater, sez, sonde, TEMP, TEMP_QC, temperature, temperature of the water column, time, TIME_QC, vulcanologia, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC-BY";
    Float64 Northernmost_Northing 36.352917;
    String principal_investigator "Nadia Lo Bue";
    String principal_investigator_email "nadia.lobue at ingv.it";
    String project "ESONET-NOE-LIDO";
    String QC_indicator "excellent";
    String site "Iberian Margin";
    String site_code "GEOSTAR";
    String source "fixed benthic node";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 36.352917;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "depth, longitude, latitude, TIME_QC, DEPTH_QC, POSITION_QC";
    String summary "The dataset contains sea bottom Conductivity, Temperature and Pressure data (about 1 m above the bottom) acquired through a SBE 16 plus installed on GEOSTAR station. The collection period ranges from November 2009 through July 2010.";
    String time_coverage_end "2010-07-10T23:00:00Z";
    String time_coverage_start "2009-10-31T00:00:00Z";
    String title "GEOSTAR Observatory CTD data (2009-2009)";
    String update_interval "void";
    Float64 Westernmost_Easting -9.518245;
  }
}

 

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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