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ERDDAP > griddap > Make A Graph ?

Dataset Title:  Top Dataset, LTMs1981-2010, upstr.ltm (ICOADS 2x2 Degree Enhanced LTM), 2.0°,
0001
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Institution:  NOAA ICOADS   (Dataset ID: noaa_esrl_4091_0372_2c3d)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
time (UTC) ?     specify just 1 value →
    << -
< <
latitude (degrees_north) ?
    +
    -
< slider >
longitude (degrees_east) ?
    +
    -
< slider >
 
Graph Settings
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
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 ? )
    Click on the map to specify a new center point. ?
Zoom:
[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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range -6.21357696e+10, -6.2106912e+10;
    String avg_period "0030-00-00 00:00:00";
    String axis "T";
    String climatology "climatological_bounds";
    String coordinate_defines "start";
    String delta_t "0000-01-00 00:00:00";
    String ioos_category "Time";
    String long_name "Time";
    Float64 ltm_range 66109.0, 77035.0;
    String prev_avg_period "0000-01-00 00:00:00";
    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";
    Float32 actual_range -89.0, 89.0;
    String axis "Y";
    String coordinate_defines "point";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 1.0, 359.0;
    String axis "X";
    String coordinate_defines "point";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  upstr {
    Float32 _FillValue 3553.1;
    Float32 actual_range -549.9999, 397.9001;
    String cell_methods "time: mean within months time: mean over years";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Wind";
    String level_desc "Surface";
    String long_name "u-wind Stress Monthly Long Term Mean at Surface";
    Float32 missing_value 3553.1;
    String parent_stat "Mean";
    Int16 precision 1;
    String standard_name "surface_downward_eastward_stress";
    String statistic "Long Term Mean";
    String units "m^2/s^2";
    Float32 valid_range -3000.0, 3000.0;
    String var_desc "u-wind Stress";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "Eric.Freeman@noaa.gov";
    String creator_name "NOAA ICOADS";
    String creator_type "group";
    String creator_url "http://icoads.noaa.gov/";
    String dataset_title "International Comprehensive Ocean-Atmosphere Data Set (ICOADS)";
    Float64 Easternmost_Easting 359.0;
    Float64 geospatial_lat_max 89.0;
    Float64 geospatial_lat_min -89.0;
    Float64 geospatial_lat_resolution 2.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 359.0;
    Float64 geospatial_lon_min 1.0;
    Float64 geospatial_lon_resolution 2.0;
    String geospatial_lon_units "degrees_east";
    String history 
"Created at NOAA/ESRL/PSD 09/2011.
 Long-term mean files were constructed from the ICOADS Release 2.5 enhanced 2x2 monthly means for 1981-2010 using V3.0.0 changed from V2.5.0
2018-07-19T13:56:21Z https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/coads/2degree/LTMs1981-2010/upstr.ltm.nc
2018-07-19T13:56:21Z http://upwell.pfeg.noaa.gov/griddap/noaa_esrl_4091_0372_2c3d.das";
    String id "Datasets/coads/2degree/LTMs1981-2010/upstr.ltm.nchttps://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/coads/2degree/LTMs1981-2010/upstr.ltm.nc";
    String infoUrl "https://www.esrl.noaa.gov/psd/data/gridded/data.coads.ltm.html";
    String institution "NOAA ICOADS";
    String keywords "2x2, atmosphere, atmospheric, coads, comprehensive, data, dataset, degree, downward, earth, Earth Science > Atmosphere > Atmospheric Winds > Wind Stress, eastward, enhanced, icoads, international, latitude, long, longitude, ltm, ltms1981, ltms1981-2010, mean, month, monthly, noaa, ocean, science, set, stress, surface, surface_downward_eastward_stress, term, time, top, u-wind, upstr, upstr.ltm, wind, winds";
    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.";
    Float64 Northernmost_Northing 89.0;
    String platform "Surface Marine Observations";
    String references "https://www.esrl.noaa.gov/psd/data/gridded/data.coads.ltm.html";
    String sourceUrl "https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/coads/2degree/LTMs1981-2010/upstr.ltm.nc";
    Float64 Southernmost_Northing -89.0;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "International Comprehensive Ocean Atmosphere Data Set (ICOADS) 2x2 Degree Enhanced Long Term Mean (LTM) (Top Dataset, LTMs1981-2010, upstr.ltm)";
    String time_coverage_end "0001-12-01T00:00:00Z";
    String time_coverage_start "0001-01-01T00:00:00Z";
    String title "Top Dataset, LTMs1981-2010, upstr.ltm (ICOADS 2x2 Degree Enhanced LTM), 2.0°, 0001";
    String version "V3.0.0";
    Float64 Westernmost_Easting 1.0;
  }
}

 

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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