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ERDDAP > griddap > Make A Graph ?

Dataset Title:  IPCC Datasets, dc Fv NetCDF test ocean, dc Fv NetCDF test ocean tripolar
vectors, dc Fv NetCDF test ocean monthly, dc Fv NetCDF test monthly 19790101-
20071231, uo [depth_vertex][lat][lon]
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Institution:  NOAA GFDL   (Dataset ID: noaa_gfdl_4181_65b5_c767)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
depth (m) ?     specify just 1 value →
    << -
< <
latitude (degrees_north) ?
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    -
< slider >
longitude (degrees_east) ?
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    -
< 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.)
 
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and
or view the URL:
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    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 {
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 0.0, 5500.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String source_name "depth_vertex";
    String standard_name "depth";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -81.0, 90.0;
    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 0.0, 359.0;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String modulo "y";
    String standard_name "longitude";
    String units "degrees_east";
  }
  z_vertex {
    String ioos_category "Currents";
    String long_name "depth edges at velocity cell center";
    Float64 missing_value -1.0e+20;
    String units "m";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    Float32 cmor_version 1.2;
    String comment "GFDL experiment name = GFDL_CDA_21c This assimilation system consists of an Ensemble Kalman Filter applied to GFDL’s coupled climate model (CM2.1). The ocean component of CDA is the fourth version of the Modular Ocean Model (MOM4) configured with 50 vertical levels (22 levels of 10-m thickness each in the top 220 m) and 1� by 1� horizontal B-grid resolution, telescoping to 1/3� meridional spacing near the equator. More details about CDA system can be found in Zhang et al. [2007]. Analysis and validation can be found in Chang et al. [in preparation].";
    String contact "whit.anderson@noaa.gov";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "whit.anderson@noaa.gov";
    String creator_name "Whit Anderson";
    String creator_type "person";
    String creator_url "https://www.gfdl.noaa.gov/";
    Float64 Easternmost_Easting 359.0;
    String experiment_id "Coupled Data Assimilation Experiment";
    Float64 geospatial_lat_max 90.0;
    Float64 geospatial_lat_min -81.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 359.0;
    Float64 geospatial_lon_min 0.0;
    Float64 geospatial_lon_resolution 1.0;
    String geospatial_lon_units "degrees_east";
    String gfdl_experiment_name "Fv_NetCDF_test";
    String history 
"input/ocean.200601-200612.u.nc.  At 11:12:40 on 06/09/2008, CMOR rewrote data to comply with CF standards and IPCC Fourth Assessment and US CCSP Projects requirements
2018-02-18T02:59:33Z http://data1.gfdl.noaa.gov:8380/thredds/dodsC/uo_monthly_Fv_NetCDF_test_R1_tripolar_19790101-20071231
2018-02-18T02:59:33Z http://upwell.pfeg.noaa.gov/griddap/noaa_gfdl_4181_65b5_c767.das";
    String id "uo_monthly_Fv_NetCDF_test_R1_tripolar_19790101-20071231";
    String infoUrl "http://data1.gfdl.noaa.gov:8380/thredds/dodsC/uo_monthly_Fv_NetCDF_test_R1_tripolar_19790101-20071231.html";
    String institution "NOAA GFDL";
    String keywords "19790101-20071231, assimilation, cell, center, change, climate, cm2.1, coupled, currents, data, datasets, depth, dynamics, edges, experiment, fluid, geophysical, gfdl, intergovernmental, ipcc, laboratory, latitude, longitude, month, monthly, noaa, ocean, panel, test, tripolar, vectors, velocity, z_vertex";
    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 90.0;
    String project_id "dc";
    Int32 realization 1;
    String references "The GFDL Data Portal (http://nomads.gfdl.noaa.gov/) provides access to NOAA/GFDL's publicly available model input and output data sets. From this web site one can view and download data sets and documentation, including those related to the GFDL CM2.1 model experiments run for the IPCC's 4th Assessment Report and the US CCSP.";
    String source "GFDL_CM2.1 (2004): atmosphere: AM2.1 (am2p13fv, M45L24); ocean: OM3.1 (mom4p0 , tripolar360x200L50); sea ice: SIS; land: LM2; infrastructure: FMS Lima release";
    String sourceUrl "http://data1.gfdl.noaa.gov:8380/thredds/dodsC/uo_monthly_Fv_NetCDF_test_R1_tripolar_19790101-20071231";
    Float64 Southernmost_Northing -81.0;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Geophysical Fluid Dynamics Laboratory (GFDL) CM2.1, Coupled Data Assimilation Experiment. GFDL experiment name = GFDL_CDA_21c This assimilation system consists of an Ensemble Kalman Filter applied to GFDL's coupled climate model (CM2.1). The ocean component of CDA is the fourth version of the Modular Ocean Model (MOM4) configured with 50 vertical levels (22 levels of 10-m thickness each in the top 220 m) and 1� by 1� horizontal B-grid resolution, telescoping to 1/3� meridional spacing near the equator. More details about CDA system can be found in Zhang et al. [2007]. Analysis and validation can be found in Chang et al. [in preparation].";
    String table_id "Table O1 (7 September 2004)";
    String title "IPCC Datasets, dc Fv NetCDF test ocean, dc Fv NetCDF test ocean tripolar vectors, dc Fv NetCDF test ocean monthly, dc Fv NetCDF test monthly 19790101-20071231, uo [depth_vertex][lat][lon]";
    Float64 Westernmost_Easting 0.0;
  }
}

 

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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