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Dataset Title:  IPCC Datasets, ipcc ar4 CM2.1U-D4 1PctTo2X I1 ocean, ipcc ar4 CM2.1U-D4
1PctTo2X I1 ocean tripolar vectors, ipcc ar4 CM2.1U-D4 1PctTo2X I1 ocean
annual, ipcc ar4 CM2.1U-D4 1PctTo2X I1 ocean tripolar annual all vars, CM2.1U-
D4 1PctTo2X I1 ocean tripolar annual all vars 00010101-02001231 [time][region][
depth][lat]
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Institution:  NOAA GFDL   (Dataset ID: noaa_gfdl_6744_ed9b_62ca)
Information:  Summary ? | License ? | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
time (UTC) ?
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< slider >
region (count) ?     specify just 1 value →
    << -
< <
depth (m) ?     specify just 1 value →
    << -
< <
latitude (degrees_north) ?     specify just 1 value →
    << -
< <
 
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Color: 
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Y Axis Minimum:   Maximum:   Ascending: 
 
(Please be patient. It may take a while to get the data.)
 
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or view the URL:
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    Time range:    <<    -              
[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 -6.21200016e+10, -5.58443376e+10;
    String axis "T";
    String calendar "noleap";
    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";
  }
  region {
    Int16 actual_range 0, 3;
    String ioos_category "Location";
    String long_name "Region";
    String units "count";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 10.0, 5500.0;
    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";
  }
  stfmmc {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: mean";
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 0.0;
    String comment "Note: Values north of 65N have been interpolated from the model's native tripolar grid to a regular grid. This interpolation compromises the accuracy of the data north of 65N such that integrals may not be exact. Information about the availability of files containing ocean and sea ice model output on the model's native grid can be found at http://nomads.gfdl.noaa.gov/.";
    String history "At   02:23:45 on 02/25/2005: CMOR altered the data in the following ways: converted from type 'double' to type 'real'; replaced missing value flag (-1.00000E+06) with standard missing value (1.00000E+20);";
    String ioos_category "Currents";
    String long_name "Meridional Overturning Streamfunction";
    Float32 missing_value 1.0e+20;
    String standard_name "ocean_meridional_overturning_streamfunction";
    String units "m3 s-1";
  }
  stfmmcgm {
    Float32 _FillValue 1.0e+20;
    String cell_methods "time: mean";
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 0.0;
    String comment "Note: Values north of 65N have been interpolated from the model's native tripolar grid to a regular grid. This interpolation compromises the accuracy of the data north of 65N such that integrals may not be exact. Information about the availability of files containing ocean and sea ice model output on the model's native grid can be found at http://nomads.gfdl.noaa.gov/.";
    String history "At   03:21:00 on 02/25/2005: CMOR altered the data in the following ways: converted from type 'double' to type 'real'; replaced missing value flag (-1.00000E+08) with standard missing value (1.00000E+20);";
    String ioos_category "Currents";
    String long_name "Gent-McWilliams Contribution to the Meridional Overturning Streamfunction";
    Float32 missing_value 1.0e+20;
    String standard_name "ocean_meridional_overturning_streamfunction";
    String units "m3 s-1";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    Float32 cmor_version 0.94;
    String comment "GFDL experiment name = CM2.1U-D4_1PctTo2X_I1. PCMDI experiment name = 1%to2x (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. In the CM2.1U-D4_1PctTo2X_I1 experiment atmospheric CO2 levels were prescribed to increase from their initial mixing ratio level of 286.05 ppmv at a compounded rate of +1 percent per year until year 70 (the point of doubling). CO2 levels were held constant at 572.11 ppmv from year 71 through the end of the 220 year long experiment. For the entire 220 year duration of the experiment, all non-CO2 forcing agents (CH4, N2O, halons, tropospheric and stratospheric O3, tropospheric sulfates, black and organic carbon, dust, sea salt, solar irradiance, and the distribution of land cover types) were held constant at values representative of year 1860.";
    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 "http://data1.gfdl.noaa.gov/nomads/forms/deccen/";
    String experiment_id "1%/year CO2 increase experiment (to doubling)";
    Float64 geospatial_lat_max 90.0;
    Float64 geospatial_lat_min -81.0;
    String geospatial_lat_units "degrees_north";
    String gfdl_experiment_name "CM2.1U-D4_1PctTo2X_I1";
    String grid_version "0.2";
    String history 
"Sat Jan 14 17:20:53 2006: annualCalc.py, input: stfmmc_O1.000101-010012.nc, stfmmc_O1.010101-020012.nc,
2018-02-22T03:22:15Z http://data1.gfdl.noaa.gov:8380/thredds/dodsC/ipcc_ar4_CM2.1_R1_1to2x-1_annual_ocean_tripolar_00010101-02001231
2018-02-22T03:22:15Z http://upwell.pfeg.noaa.gov/griddap/noaa_gfdl_6744_ed9b_62ca.das";
    String id "CM2.1U-D4_1PctTo2X_I1-ocean_tripolar-annual-all-vars-00010101-02001231";
    String infoUrl "http://data1.gfdl.noaa.gov:8380/thredds/dodsC/ipcc_ar4_CM2.1_R1_1to2x-1_annual_ocean_tripolar_00010101-02001231.html";
    String institution "NOAA GFDL";
    String keywords "00010101-02001231, 1pctto2x, all, annual, ar4, assessment, carbon, carbon dioxide, ccsp, change, circulation, climate, cm2.1, cm2.1u, cm2.1u-d4, co2, contribution, currents, data, datasets, depth, diagnosis, dioxide, doubling, dynamics, earth, Earth Science > Oceans > Ocean Circulation > Ocean Currents, experiment, fluid, fourth, gent, gent-mcwilliams, geophysical, gfdl, increase, intercomparison, intergovernmental, ipcc, laboratory, latitude, mcwilliams, meridional, model, noaa, ocean, ocean_meridional_overturning_streamfunction, oceans, output, overturning, panel, pcmdi, percent, program, region, report, run1, science, stfmmc, stfmmcgm, streamfunction, time, to2x, tripolar, US, vectors, year";
    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 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 CM2.1 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/ipcc_ar4_CM2.1_R1_1to2x-1_annual_ocean_tripolar_00010101-02001231";
    Float64 Southernmost_Northing -81.0;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Geophysical Fluid Dynamics Laboratory (GFDL) CM2.1, 1%to2x (run1) 1%/year CO2 increase experiment (to doubling) 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_1PctTo2X_I1. Program for Climate Model Diagnosis and Intercomparison (PCMDI) experiment name = 1%to2x (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. In the CM2.1U-D4_1PctTo2X_I1 experiment atmospheric CO2 levels were prescribed to increase from their initial mixing ratio level of 286.05 ppmv at a compounded rate of +1 percent per year until year 70 (the point of doubling). CO2 levels were held constant at 572.11 ppmv from year 71 through the end of the 220 year long experiment. For the entire 220 year duration of the experiment, all non-CO2 forcing agents (CH4, N2O, halons, tropospheric and stratospheric O3, tropospheric sulfates, black and organic carbon, dust, sea salt, solar irradiance, and the distribution of land cover types) were held constant at values representative of year 1860.";
    String table_id "Table O0 (GFDL definition)";
    String time_coverage_end "0200-05-13T12:00:00Z";
    String time_coverage_start "0001-07-02T12:00:00Z";
    String title "IPCC Datasets, ipcc ar4 CM2.1U-D4 1PctTo2X I1 ocean, ipcc ar4 CM2.1U-D4 1PctTo2X I1 ocean tripolar vectors, ipcc ar4 CM2.1U-D4 1PctTo2X I1 ocean annual, ipcc ar4 CM2.1U-D4 1PctTo2X I1 ocean tripolar annual all vars, CM2.1U-D4 1PctTo2X I1 ocean tripolar annual all vars 00010101-02001231 [time][region][depth][lat]";
  }
}

 

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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