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ERDDAP > griddap > Make A Graph ?

Dataset Title:  IPCC Datasets, ipcc ar4 CM2Q-h1 SresA2 w2 ocean, ipcc ar4 CM2Q-h1 SresA2 w2
ocean tripolar vectors, ipcc ar4 CM2Q-h1 SresA2 w2 ocean monthly, ipcc ar4
SRESA2-0 monthly 20010101-21001231, vo [depth][lat][lon]
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Institution:  NOAA GFDL   (Dataset ID: noaa_gfdl_31d2_dbc0_8717)
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.)
 
Optional:
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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 5.0, 5316.4287109375;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    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";
  }
  cell_volume {
    String ioos_category "Currents";
    String long_name "velocity cell volume";
    Float64 missing_value -1.0e+20;
    String units "m3";
  }
  z {
    String ioos_category "Currents";
    String long_name "depth at velocity cell center";
    Float64 missing_value -1.0e+20;
    String units "m";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    Float32 cmor_version 0.94;
    String comment "GFDL experiment name = CM2Q-h1_SresA2_w2. PCMDI experiment name = SRESA2 (run1). Initial conditions for this experiment were taken from 1 January 2001 of the climate of the 20th century experiment named CM2Q-d2_1861-2000-AllForc_h1. Several time varying forcing agents used during the 100 year duration of this CM2Q-h1_SresA2_w2 experiment were based on output of the MOZART global atmospheric chemistry climate model when driven by the SRES A2 emission scenarios. For the CM2Q-h1_SresA2_w2 experiment volcanic aerosols were zero, land surface cover types were time invariant, and solar irradiance varied seasonally based upon late 20th century averages but with no interannual variation.";
    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 359.0;
    String experiment_id "SRES A2 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 "CM2Q-h1_SresA2_w2";
    String grid_version "0.2";
    String history 
"Mon Mar 28 21:56:11 2005: ncks -O -d time,960,1079 /vftmp/279730.1.anc2.a//Scratch/data1/gfdl_cm2_0/CM2Q-h1_SresA2_w2/pp/ocean_tripolar/ts/monthly/vo_O1.200101-210012.nc /vftmp/279730.1.anc2.a//Scratch/data1/gfdl_cm2_0/CM2Q-h1_SresA2_w2/pp/ocean_tripolar/ts/monthly/vo_O1.208101-209012.nc
  At 19:15:18 on 03/23/2005, CMOR rewrote data to comply with CF standards and IPCC Fourth Assessment and US CCSP Projects requirements
2018-02-23T00:47:23Z http://data1.gfdl.noaa.gov:8380/thredds/dodsC/vo_monthly_SRESA2-0_R1_tripolar_20010101-21001231
2018-02-23T00:47:23Z http://upwell.pfeg.noaa.gov/griddap/noaa_gfdl_31d2_dbc0_8717.das";
    String id "vo_monthly_SRESA2-0_R1_tripolar_20010101-21001231";
    String infoUrl "http://data1.gfdl.noaa.gov:8380/thredds/dodsC/vo_monthly_SRESA2-0_R1_tripolar_20010101-21001231.html";
    String institution "NOAA GFDL";
    String keywords "20010101-21001231, ar4, assessment, ccsp, cell, cell_volume, center, change, climate, cm2.0, cm2q, cm2q-h1, currents, data, datasets, depth, diagnosis, dynamics, experiment, fluid, fourth, geophysical, gfdl, intercomparison, intergovernmental, ipcc, laboratory, latitude, longitude, model, month, monthly, noaa, ocean, output, panel, pcmdi, program, report, run, science, sres, sresa2, sresa2-0, tripolar, US, vectors, velocity, volume";
    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 "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 CM2.0 model experiments run for the IPCC's 4th Assessment Report and the US CCSP.";
    String source "GFDL_CM2.0 (2004): atmosphere: AM2 (am2p13, N45L24); ocean: OM3 (mom4p0_om3p4, tripolar360x200L50); sea ice: SIS; land: LM2; infrastructure: FMS J release";
    String sourceUrl "http://data1.gfdl.noaa.gov:8380/thredds/dodsC/vo_monthly_SRESA2-0_R1_tripolar_20010101-21001231";
    Float64 Southernmost_Northing -81.0;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Geophysical Fluid Dynamics Laboratory (GFDL) CM2.0, SRESA2 (run 1) SRES A2 experiment output for Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (AR4) and US Climate Change Science Program (CCSP). GFDL experiment name = CM2Q-h1_SresA2_w2. Program for Climate Model Diagnosis and Intercomparison (PCMDI) experiment name = SRESA2 (run1). Initial conditions for this experiment were taken from 1 January 2001 of the climate of the 20th century experiment named CM2Q-d2_1861-2000-AllForc_h1. Several time varying forcing agents used during the 100 year duration of this CM2Q-h1_SresA2_w2 experiment were based on output of the MOZART global atmospheric chemistry climate model when driven by the SRES A2 emission scenarios. For the CM2Q-h1_SresA2_w2 experiment volcanic aerosols were zero, land surface cover types were time invariant, and solar irradiance varied seasonally based upon late 20th century averages but with no interannual variation.";
    String table_id "Table O1 (7 September 2004)";
    String title "IPCC Datasets, ipcc ar4 CM2Q-h1 SresA2 w2 ocean, ipcc ar4 CM2Q-h1 SresA2 w2 ocean tripolar vectors, ipcc ar4 CM2Q-h1 SresA2 w2 ocean monthly, ipcc ar4 SRESA2-0 monthly 20010101-21001231, vo [depth][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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