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ERDDAP > griddap > Make A Graph ?

Dataset Title:  JPL / GRACE-TELLUS data from a local source. Subscribe RSS
Institution:  JPL / GRACE-TELLUS   (Dataset ID: GRACE)
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 1.0189584e+9, 1.389312e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "Time";
    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 -89.5, 89.5;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range 0.5, 359.5;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  lwe_thickness_of_soil_moisture_content {
    Float32 _FillValue 32767.0;
    String ioos_category "Soils";
    String long_name "Liquid_Water_Equivalent_Thickness";
    String standard_name "lwe_thickness_of_soil_moisture_content";
    String units "cm";
  }
  NC_GLOBAL {
    String _CoordSysBuilder "ucar.nc2.dataset.conv.CF1Convention";
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, Unidata Dataset Discovery v1.0";
    String creator_name "JPL / GRACE-TELLUS";
    String data_source "GRACE JPL RL05 + Sean C. Swenson";
    String data_source_version "DSTvSCS1401";
    String DATE_CREATED "Tue Apr 15 16:03:47 2014";
    Float64 Easternmost_Easting 359.5;
    String filename "netcdf/GRCTellus.JPL.200204_201401.LND.RL05.DSTvSCS1401.nc";
    String filter " gaussian";
    String Filter_Max_Degree "60";
    String Filter_Width_KM "300";
    Float64 geospatial_lat_max 89.5;
    Float64 geospatial_lat_min -89.5;
    Float64 geospatial_lat_resolution 1.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 359.5;
    Float64 geospatial_lon_min 0.5;
    Float64 geospatial_lon_resolution 1.0;
    String geospatial_lon_units "degrees_east";
    String history 
"Thu May 22 17:55:59 2014: ncbo -v lwe_thickness --op_typ=mlt GRCTellus.JPL.200204_201401.LND.RL05.DSTvSCS1401.nc clm8.nc test11.nc
2018-04-21T09:56:22Z (local files)
2018-04-21T09:56:22Z http://erddap.axiomdatascience.com/griddap/GRACE.das";
    String infoUrl "???";
    String input_filename 
"./GSM/GSM-2_2002091-2002120_0018_JPLEM_0000_0005

./GSM/GSM-2_2002121-2002138_0015_JPLEM_0000_0005

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./GSM/GSM-2_2002305-2002334_0028_JPLEM_0000_0005

./GSM/GSM-2_2002335-2002365_0022_JPLEM_0000_0005

./GSM/GSM-2_2003001-2003031_0029_JPLEM_0000_0005

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./GSM/GSM-2_2003060-2003090_0028_JPLEM_0000_0005

./GSM/GSM-2_2003091-2003120_0028_JPLEM_0000_0005

./GSM/GSM-2_2003121-2003141_0021_JPLEM_0000_0005

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./GSM/GSM-2_2003213-2003243_0030_JPLEM_0000_0005

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./GSM/GSM-2_2003305-2003334_0029_JPLEM_0000_0005

./GSM/GSM-2_2003335-2003365_0030_JPLEM_0000_0005

./GSM/GSM-2_2004001-2004013_0013_JPLEM_0000_0005

./GSM/GSM-2_2004035-2004060_0026_JPLEM_0000_0005

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./GSM/GSM-2_2004214-2004244_0030_JPLEM_0000_0005

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./GSM/GSM-2_2005182-2005212_0031_JPLEM_0000_0005

./GSM/GSM-2_2005213-2005243_0030_JPLEM_0000_0005

./GSM/GSM-2_2005244-2005273_0030_JPLEM_0000_0005

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./GSM/GSM-2_2008245-2008274_0029_JPLEM_0000_0005

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./GSM/GSM-2_2008336-2008366_0031_JPLEM_0000_0005

./GSM/GSM-2_2009001-2009031_0031_JPLEM_0000_0005

./GSM/GSM-2_2009032-2009059_0028_JPLEM_0000_0005

./GSM/GSM-2_2009060-2009090_0029_JPLEM_0000_0005

./GSM/GSM-2_2009091-2009120_0029_JPLEM_0000_0005

./GSM/GSM-2_2009121-2009151_0027_JPLEM_0000_0005

./GSM/GSM-2_2009152-2009181_0027_JPLEM_0000_0005

./GSM/GSM-2_2009182-2009212_0027_JPLEM_0000_0005

./GSM/GSM-2_2009213-2009243_0029_JPLEM_0000_0005

./GSM/GSM-2_2009244-2009273_0030_JPLEM_0000_0005

./GSM/GSM-2_2009274-2009304_0030_JPLEM_0000_0005

./GSM/GSM-2_2009305-2009334_0030_JPLEM_0000_0005

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./GSM/GSM-2_2010152-2010181_0020_JPLEM_0000_0005

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./GSM/GSM-2_2011039-2011059_0021_JPLEM_0000_0005

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./GSM/GSM-2_2011091-2011120_0030_JPLEM_0000_0005

./GSM/GSM-2_2011121-2011151_0031_JPLEM_0000_0005

./GSM/GSM-2_2011188-2011212_0024_JPLEM_0000_0005

./GSM/GSM-2_2011213-2011243_0030_JPLEM_0000_0005

./GSM/GSM-2_2011244-2011273_0030_JPLEM_0000_0005

./GSM/GSM-2_2011274-2011304_0031_JPLEM_0000_0005

./GSM/GSM-2_2011290-2011320_0031_JPLEM_0000_0005

./GSM/GSM-2_2011353-2012015_0028_JPLEM_0000_0005

./GSM/GSM-2_2012001-2012031_0031_JPLEM_0000_0005

./GSM/GSM-2_2012032-2012060_0029_JPLEM_0000_0005

./GSM/GSM-2_2012061-2012091_0031_JPLEM_0000_0005

./GSM/GSM-2_2012092-2012110_0019_JPLEM_0000_0005

./GSM/GSM-2_2012153-2012182_0030_JPLEM_0000_0005

./GSM/GSM-2_2012183-2012213_0031_JPLEM_0000_0005

./GSM/GSM-2_2012214-2012244_0030_JPLEM_0000_0005

./GSM/GSM-2_2012245-2012268_0024_JPLEM_0000_0005

./GSM/GSM-2_2012314-2012335_0022_JPLEM_0000_0005

./GSM/GSM-2_2012336-2012366_0029_JPLEM_0000_0005

./GSM/GSM-2_2013001-2013031_0030_JPLEM_0000_0005

./GSM/GSM-2_2013032-2013057_0026_JPLEM_0000_0005

./GSM/GSM-2_2013102-2013120_0019_JPLEM_0000_0005

./GSM/GSM-2_2013121-2013151_0031_JPLEM_0000_0005

./GSM/GSM-2_2013152-2013181_0029_JPLEM_0000_0005

./GSM/GSM-2_2013182-2013212_0031_JPLEM_0000_0005

./GSM/GSM-2_2013274-2013304_0031_JPLEM_0000_0005

./GSM/GSM-2_2013305-2013334_0030_JPLEM_0000_0005

./GSM/GSM-2_2013335-2013365_0028_JPLEM_0000_0005

./GSM/GSM-2_2014001-2014017_0017_JPLEM_0000_0005";
    String institution "JPL / GRACE-TELLUS";
    String keywords "content, data, Earth Science > Land Surface > Soils > Soil Moisture/Water Content, equivalent, grace, grace-tellus, jpl, land, liquid, local, lwe, lwe_thickness_of_soil_moisture_content, moisture, soil, soils, source, surface, tellus, thickness, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String label "GRC-DSTvSCS1401-g300km_n=060";
    String Latitudes " LAT1_NLATS_DLAT=-89.5 180 1.";
    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 Longitudes " LON1_NLONS_DLON=0.5. 360 1.";
    String Mask "LAND ONLY PIXELS";
    String Metadata_Conventions "CF-1.6, COARDS, Unidata Dataset Discovery v1.0";
    String months_missing "2002-06;2002-07;2003-06;2011-01;2011-06;2012-05;2012-10;2013-03;2013-08;2013-09";
    Int32 nco_openmp_thread_number 1;
    Float64 Northernmost_Northing 89.5;
    String platform "GRACE";
    String postprocess1 "DESTRIPED";
    String postprocess2 " OCEAN_ATMOSPHERE_DEALIAS_MODEL (GAC), MONTHLY_AVE, ADDED BACK TO OCEAN PIXELS ONLY";
    String sensor "GRACE";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -89.5;
    String standard_name_vocabulary "CF-12";
    String summary "JPL / GRACE-TELLUS data from a local source.";
    String time_coverage_end "2014-01-10T00:00:00Z";
    String time_coverage_start "2002-04-16T12:00:00Z";
    String time_end "4392.0 days since epoch or 2014-01-09";
    String time_epoch "2002-01-01 00:00:00";
    String time_mean_removed "2004.000 to 2009.999";
    String time_start " 105.5 days since epoch or 2002-04-16";
    String title "JPL / GRACE-TELLUS data from a local source.";
    String variable "liquid water equivalent thickness";
    Float64 Westernmost_Easting 0.5;
  }
}

 

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://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.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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