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ERDDAP > griddap > Make A Graph ?

Dataset Title:  Top Dataset, postprocessed, NorthAmerica PrecipitationAnoms CESM-LE 1950-2069
20yrEnsembleEVECS [eofn][period]
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Institution:  NOAA ESRL   (Dataset ID: noaa_esrl_fec7_58ba_00ba)
Information:  Summary ? | License ? | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
eofn ?
    +
    -
< slider >
period ?     specify just 1 value →
    << -
< <
 
Graph Settings
Marker Type:   Size: 
Color: 
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Y Axis Minimum:   Maximum:   Ascending: 
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: (File Type information)
and
or view the URL:
(Documentation / Bypass this form ? )
    [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 {
  eofn {
    Int32 actual_range 1, 10;
    String ioos_category "Unknown";
    String long_name "Eofn";
  }
  period {
    Int32 actual_range 19501969, 20502069;
    String ioos_category "Unknown";
    String long_name "Period";
  }
  eval {
    Float32 _FillValue 9.96921e+36;
    String ioos_category "Unknown";
    String long_name "eigenvalues";
  }
  pcvar {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "variance explained (%)";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String Conventions "null, COARDS, CF-1.6, ACDD-1.3";
    String creation_date "Tue Jan 23 14:01:22 MST 2018";
    String creator_email "esrl.psd.data@noaa.gov";
    String creator_name "NOAA ESRL PSD";
    String creator_type "institution";
    String creator_url "https://www.esrl.noaa.gov/psd/";
    String history 
"2018-04-26T11:44:06Z https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/SERDP_regimeshifts/data/CESM-LE/atm/postprocessed/NorthAmerica_PrecipitationAnoms_CESM-LE_1950-2069_20yrEnsembleEVECS.nc
2018-04-26T11:44:06Z http://upwell.pfeg.noaa.gov/griddap/noaa_esrl_fec7_58ba_00ba.das";
    String id "Datasets/SERDP_regimeshifts/data/CESM-LE/atm/postprocessed/NorthAmerica_PrecipitationAnoms_CESM-LE_1950-2069_20yrEnsembleEVECS.nchttps://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/SERDP_regimeshifts/data/CESM-LE/atm/postprocessed/NorthAmerica_PrecipitationAnoms_CESM-LE_1950-2069_20yrEnsembleEVECS.nc";
    String infoUrl "https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/SERDP_regimeshifts/data/CESM-LE/atm/postprocessed/NorthAmerica_PrecipitationAnoms_CESM-LE_1950-2069_20yrEnsembleEVECS.nc.html";
    String institution "NOAA ESRL";
    String keywords "1950-2069, 20yrensembleevecs, cesm, cesm-le, data, dataset, earth, eigenvalues, eofn, esrl, eval, explained, laboratory, noaa, northamerica, pcvar, percent, period, postprocessed, precipitationanoms, research, statistics, system, top, variance";
    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 sourceUrl "https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/SERDP_regimeshifts/data/CESM-LE/atm/postprocessed/NorthAmerica_PrecipitationAnoms_CESM-LE_1950-2069_20yrEnsembleEVECS.nc";
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Top Dataset, postprocessed, NorthAmerica PrecipitationAnoms CESM-LE 1950-2069 20yrEnsembleEVECS";
    String title "Top Dataset, postprocessed, NorthAmerica PrecipitationAnoms CESM-LE 1950-2069 20yrEnsembleEVECS [eofn][period]";
  }
}

 

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its projection 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.

griddap request URLs must be in the form
https://upwell.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://upwell.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.


 
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