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Dataset Title:  IPCC Datasets, ipcc ar4 CM2.1U-D4 1860-2000-AllForc H1 ocean, ipcc ar4 CM2.1U-
D4 1860-2000-AllForc H1 ocean tripolar vectors, ipcc ar4 CM2.1U-D4 1860-2000-
AllForc H1 ocean annual, ipcc ar4 20C3M-1 annual 18610101-20001231, uo [lat_
vertex][lon_vertex]
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Institution:  NOAA GFDL   (Dataset ID: noaa_gfdl_1276_da56_b690)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
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 {
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -81.5, 90.5;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String source_name "lat_vertex";
    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 source_name "lon_vertex";
    String standard_name "longitude";
    String units "degrees_east";
  }
  geolat_vertex {
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "geographical latitude at velocity cell edges";
    String units "degrees_north";
  }
  geolon_vertex {
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "geographical longitude at velocity cell edges";
    String units "degrees_east";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    Float32 cmor_version 0.94;
    String comment "GFDL experiment name = CM2.1U-D4_1860-2000-AllForc_H1. PCMDI experiment name = 20C3M (run1). Initial conditions for this experiment were taken from 1 January of year 1 of the 1860 control model experiment named CM2.1U_Control-1860_D4. Several forcing agents varied during the 140 year duration of the CM2.1U-D4_1860-2000-AllForc_H1 experiment in a manner based upon observations and reconstructions for the late 19th and 20th centuries. The time varying forcing agents were atmospheric CO2, CH4, N2O, halons, tropospheric and stratospheric O3, anthropogenic tropospheric sulfates, black and organic carbon, volcanic aerosols, solar irradiance, and the distribution of land cover types. The direct effect of tropospheric aerosols is calculated by the model, but not the indirect effects.";
    String contact "GFDL.Climate.Model.Info@noaa.gov";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "GFDL.Climate.Model.Info@noaa.gov";
    String creator_name "NOAA GFDL";
    String creator_type "institution";
    String creator_url "https://www.gfdl.noaa.gov/";
    Float64 Easternmost_Easting 359.5;
    String experiment_id "climate of the 20th Century experiment (20C3M)";
    Float64 geospatial_lat_max 90.5;
    Float64 geospatial_lat_min -81.5;
    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 gfdl_experiment_name "CM2.1U-D4_1860-2000-AllForc_H1";
    String grid_version "0.2";
    String history 
"Thu Jan 12 16:25:24 2006: annualCalc.py, input: uo_O1.186101-187012.nc, uo_O1.187101-188012.nc, uo_O1.188101-189012.nc, uo_O1.189101-190012.nc, uo_O1.190101-191012.nc, uo_O1.191101-192012.nc, uo_O1.192101-193012.nc, uo_O1.193101-194012.nc, uo_O1.194101-195012.nc, uo_O1.195101-196012.nc, uo_O1.196101-197012.nc, uo_O1.197101-198012.nc, uo_O1.198101-199012.nc,
2018-02-23T04:39:19Z http://data1.gfdl.noaa.gov:8380/thredds/dodsC/uo_annual_20C3M-1_R1_tripolar_18610101-20001231
2018-02-23T04:39:19Z http://upwell.pfeg.noaa.gov/griddap/noaa_gfdl_1276_da56_b690.das";
    String id "uo_annual_20C3M-1_R1_tripolar_18610101-20001231";
    String infoUrl "http://data1.gfdl.noaa.gov:8380/thredds/dodsC/uo_annual_20C3M-1_R1_tripolar_18610101-20001231.html";
    String institution "NOAA GFDL";
    String keywords "1860-2000-allforc, 18610101-20001231, 20c3m, 20c3m-1, 20th, allforc, annual, ar4, assessment, ccsp, cell, century, change, climate, cm2.1, cm2.1u, cm2.1u-d4, data, datasets, diagnosis, dynamics, edges, experiment, fluid, fourth, geographical, geolat_vertex, geolon_vertex, geophysical, gfdl, intercomparison, intergovernmental, ipcc, laboratory, latitude, longitude, model, noaa, ocean, output, panel, pcmdi, program, report, run1, science, tripolar, US, vectors, velocity";
    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 90.5;
    String project_id "IPCC Fourth Assessment and US CCSP Projects";
    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 (mom4p1p7_om3p5, tripolar360x200L50); sea ice: SIS; land: LM2; infrastructure: FMS preK release";
    String sourceUrl "http://data1.gfdl.noaa.gov:8380/thredds/dodsC/uo_annual_20C3M-1_R1_tripolar_18610101-20001231";
    Float64 Southernmost_Northing -81.5;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Geophysical Fluid Dynamics Laboratory (GFDL) CM2.1, 20C3M (run1) climate of the 20th Century experiment (20C3M) output for Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (AR4) and US Climate Change Science Program (CCSP). GFDL experiment name = CM2.1U-D4_1860-2000-AllForc_H1. Program for Climate Model Diagnosis and Intercomparison (PCMDI) experiment name = 20C3M (run1). Initial conditions for this experiment were taken from 1 January of year 1 of the 1860 control model experiment named CM2.1U_Control-1860_D4. Several forcing agents varied during the 140 year duration of the CM2.1U-D4_1860-2000-AllForc_H1 experiment in a manner based upon observations and reconstructions for the late 19th and 20th centuries. The time varying forcing agents were atmospheric CO2, CH4, N2O, halons, tropospheric and stratospheric O3, anthropogenic tropospheric sulfates, black and organic carbon, volcanic aerosols, solar irradiance, and the distribution of land cover types. The direct effect of tropospheric aerosols is calculated by the model, but not the indirect effects.";
    String table_id "Table O0 (GFDL definition)";
    String title "IPCC Datasets, ipcc ar4 CM2.1U-D4 1860-2000-AllForc H1 ocean, ipcc ar4 CM2.1U-D4 1860-2000-AllForc H1 ocean tripolar vectors, ipcc ar4 CM2.1U-D4 1860-2000-AllForc H1 ocean annual, ipcc ar4 20C3M-1 annual 18610101-20001231, uo [lat_vertex][lon_vertex]";
    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://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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