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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  ACFFA - Passamaquoddy Bay Buoy   RSS
Institution:  Atlantic Canada Fish Farmers Association (ACFFA)   (Dataset ID: ACFFA_CSV_all)
Range: time = 2019-12-01T00:00:00Z to 2020-01-02T09:00:00Z
Information:  Summary ? | License ? | Metadata | Background (external link) | Subset | Data Access Form
 
Graph Type:  ?
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Y Axis: 
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Constraints ? Optional
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? (" ")
 
Graph Settings
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Y Axis Minimum:   Maximum:   Ascending: 
 
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    [The graph you specified. Please be patient.]

 

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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5751584e+9, 1.5779556e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Date";
    String source_name "date";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  site {
    String ioos_category "Identifier";
    String long_name "Site";
  }
  air_temperature {
    Float32 actual_range -11.3, 13.6;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String ioos_category "Meteorology";
    String long_name "Air Temperature";
    String standard_name "air_temperature";
    String units "celsius";
  }
  barometric_pressure {
    Int16 actual_range 984, 1039;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    String ioos_category "Meteorology";
    String long_name "Air Pressure";
    String standard_name "air_pressure";
    String units "millibars";
  }
  chlorophyll {
    Float32 actual_range -999.0, 6.18;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String ioos_category "Ocean Color";
    String long_name "Concentration Of Chlorophyll In Sea Water";
    String standard_name "concentration_of_chlorophyll_in_sea_water";
    String units "ug L-1";
  }
  conductivity {
    Int32 actual_range -999, 37768;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    String ioos_category "Salinity";
    String long_name "Sea Water Electrical Conductivity";
    String standard_name "sea_water_electrical_conductivity";
    String units "msiemens/cm";
  }
  max_wave_height {
    Float32 actual_range 0.0, 655.4;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Wave Significant Height";
    String standard_name "sea_surface_wave_maximum_height";
    String units "m";
  }
  oxygen {
    Float32 actual_range -999.0, 10.74;
    String ioos_category "Dissolved O2";
    String long_name "Oxygen";
    String standard_name "mass_concentration_of_oxygen_in_sea_water";
    String units "mg L-1";
  }
  rainfall_20m {
    Float32 actual_range 0.0, 0.0;
    String ioos_category "Meteorology";
    String long_name "Rainfall 20m";
    String units "inches";
  }
  relative_humidity {
    Float32 actual_range 42.6, 94.5;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 20.0;
    String ioos_category "Meteorology";
    String long_name "Relative Humidity";
    String standard_name "relative_humidity";
    String units "percent";
  }
  water_temperature {
    Float32 actual_range 5.47, 7.45;
    String ioos_category "Temperature";
    String long_name "Water Temperature";
    String standard_name "sea_water_temperature";
    String units "celsius";
  }
  turbidity {
    Float32 actual_range -999.0, 287.06;
    String ioos_category "Ocean Color";
    String long_name "Turbidity";
    String standard_name "turbidity_of_sea_water";
    String units "NTU";
  }
  wave_dir {
    Int16 actual_range 0, 165;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Wave To Direction";
    String standard_name "sea_surface_wave_to_direction";
  }
  wave_height {
    Float32 actual_range 0.0, 655.4;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Wave Significant Height";
    String standard_name "sea_surface_wave_significant_height";
  }
  wind_dir {
    Float32 actual_range 0.0, 359.9;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "Wind From Direction";
    String standard_name "sea_surface_mean_wave_from_direction";
    String units "degrees";
  }
  wind_speed {
    Float32 actual_range 0.4, 14.7;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "Wind Speed";
    String standard_name "wind_speed";
    String units "m/s";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String contributor_name "Dalhousie University";
    String contributor_role "funder,processor";
    String contributor_role_vocabulary "CI_RoleCode";
    String contributor_url "https://www.dal.ca/";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_country "Canada";
    String creator_institution "Atlantic Canada Fish Farmers Association (ACFFA)";
    String creator_name "Atlantic Canada Fish Farmers Association (ACFFA)";
    String creator_type "institution";
    String creator_url "https://data.acffabuoy.ca/";
    String defaultGraphQuery "time,air_temperature&time%3E=now-7days&.draw=lines&.color=0x000000";
    String geospatial_lat_max "45.01711";
    String geospatial_lat_min "45.01711";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_max "-66.98608";
    String geospatial_lon_min "-66.98608";
    String geospatial_lon_units "degrees_east";
    String history 
"2020-01-20T06:24:19Z (local files)
2020-01-20T06:24:19Z http://www.neracoos.org/tabledap/ACFFA_CSV_all.das";
    String info_url "https://www.atlanticfishfarmers.com/";
    String infoUrl "https://www.atlanticfishfarmers.com/";
    String institution "Atlantic Canada Fish Farmers Association (ACFFA)";
    String keywords "acffa, air_pressure, air_temperature, barometric_pressure, chlorophyll, conductivity, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Static Pressure, Earth Science > Atmosphere > Atmospheric Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Surface Air Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Waves > Significant Wave Height, Earth Science > Oceans > Ocean Waves > Wave Speed/Direction, Earth Science > Oceans > Salinity/Density > Conductivity, humidity, max_wave_height, O2, ocean, oxygen, precipitation, rainfall, relative_humidity, salinity, turbidity, water_temperature, wave_height";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    String naming_authority "com.altanticfishfarmers";
    String neracoos_data_provider "ACFFA";
    String platform "buoy";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v29";
    String subsetVariables "site";
    String summary "This data is a joint venture between the Atlantic Canada Fish Farmers Association and Dalhousie University.";
    String testOutOfDate "now-52days";
    String time_coverage_end "2020-01-02T09:00:00Z";
    String time_coverage_start "2019-12-01T00:00:00Z";
    String title "ACFFA - Passamaquoddy Bay Buoy";
  }
}

 

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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