Make A Graph

Dataset Title:	CFSR Ocean (OCN) Monthly Means Geometric_Depth_Below_Sea_Surface_bottom_of_ ocean_isothermal_layer By time, bottom_of_ocean_isothermal_layer, latitude, longitude
Institution:	NOAA/NWS/NCEP (Dataset ID: cfs_reanl_mm_ocnh_by_time16_bottom_of_ocean_isothermal_layer_lat_lon)
Information:	Summary \| License \| Metadata \| Background \| Data Access Form

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Graph Type:
X Axis:
Y Axis:
Color:

Dimensions

Start

Stop

time (UTC)

specify just 1 value →

bottom_of_ocean_isothermal_layer (m)

specify just 1 value →

latitude (degrees_north)

longitude (degrees_east)

Graph Settings
Color Bar:	Continuity:	Scale:
Minimum:	Maximum:	N Sections:
Draw land mask:
Y Axis Minimum:	Maximum:

(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:

Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 2.844648e+8, 1.2994056e+9;
    String axis "T";
    String bounds "time16_bounds";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "Forecast time for ForecastModelRunCollection";
    Float64 missing_value NaN;
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  bottom_of_ocean_isothermal_layer {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float32 actual_range 0.0, 0.0;
    String bounds "bottom_of_ocean_isothermal_layer_bounds";
    Int32 Grib_level_type 238;
    String long_name "Bottom of ocean isothermal layer";
    String positive "up";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -89.75, 89.75;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 0.25, 359.75;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Geometric_Depth_Below_Sea_Surface_bottom_of_ocean_isothermal_layer {
    String abbreviation "DBSS";
    String coordinates "time16_run time16 bottom_of_ocean_isothermal_layer lat lon";
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Bottom of ocean isothermal layer";
    Int32 Grib2_Level_Type 238;
    Int32 Grib2_Parameter 10, 4, 195;
    String Grib2_Parameter_Category "Sub-surface Properties";
    String Grib2_Parameter_Discipline "Oceanographic products";
    String Grib2_Parameter_Name "Geometric Depth Below Sea Surface";
    String Grib_Statistical_Interval_Type "Average";
    String Grib_Variable_Id "VAR_10-4-195_L238_layer_I130_Hour_S205";
    String grid_mapping "LatLon_Projection";
    String long_name "Geometric Depth Below Sea Surface (130_Hour AverageAvg-6hourIntv) @ Bottom of ocean isothermal layer layer";
    Float32 missing_value NaN;
    String units "m";
  }
  NC_GLOBAL {
    String _CoordSysBuilder "ucar.nc2.dataset.conv.CF1Convention";
    String Analysis_or_forecast_generating_process_identifier_defined_by_originating_centre "Climate Forecast System Model -- Atmospheric model (GFS) coupled to a multi level ocean model . Currently GFS spectral model at T62, 64 levels coupled to 40 level MOM3 ocean model.";
    String cdm_data_type "Grid";
    String Conventions "CF-1.4";
    Float64 Easternmost_Easting 359.75;
    String file_format "GRIB-2";
    Float64 geospatial_lat_max 89.75;
    Float64 geospatial_lat_min -89.75;
    Float64 geospatial_lat_resolution 0.5;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 359.75;
    Float64 geospatial_lon_min 0.25;
    Float64 geospatial_lon_resolution 0.5;
    String geospatial_lon_units "degrees_east";
    String GRIB_table_version "2,1";
    String history 
"Read using CDM IOSP GribCollection v3 ;
FMRC Best Dataset
2024-04-18T04:26:06Z https://www.ncei.noaa.gov/thredds/dodsC/model-cfs_reanl_mm_ocnh_agg/3-D_Ocean_(OCN),_Monthly_Mean_Aggregation_best.ncd
2024-04-18T04:26:06Z https://www.ncei.noaa.gov/griddap/cfs_reanl_mm_ocnh_by_time16_bottom_of_ocean_isothermal_layer_lat_lon.das";
    String infoUrl "https://www.ncei.noaa.gov/thredds/catalog/model-cfs_reanl_mm_ocnh_agg/catalog.html?dataset=model-cfs_reanl_mm_ocnh_agg/3-D_Ocean_(OCN),_Monthly_Mean_Aggregation_best.ncd";
    String institution "NOAA/NWS/NCEP";
    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 location "Proto fmrc:3-D_Ocean_(OCN),_Monthly_Mean_Aggregation";
    Float64 Northernmost_Northing 89.75;
    String Originating_or_generating_Center "US National Weather Service, National Centres for Environmental Prediction (NCEP)";
    String Originating_or_generating_Subcenter "Environmental Modeling Center";
    String sourceUrl "https://www.ncei.noaa.gov/thredds/dodsC/model-cfs_reanl_mm_ocnh_agg/3-D_Ocean_(OCN),_Monthly_Mean_Aggregation_best.ncd";
    Float64 Southernmost_Northing -89.75;
    String summary "CFSR Ocean (OCN) Monthly Means Geometric_Depth_Below_Sea_Surface_bottom_of_ocean_isothermal_layer Dimensioned By time, bottom_of_ocean_isothermal_layer, latitude, longitude.";
    String time_coverage_end "2011-03-06T10:00:00Z";
    String time_coverage_start "1979-01-06T10:00:00Z";
    String title "CFSR Ocean (OCN) Monthly Means Geometric_Depth_Below_Sea_Surface_bottom_of_ocean_isothermal_layer By time, bottom_of_ocean_isothermal_layer, latitude, longitude";
    String Type_of_generating_process "Forecast";
    Float64 Westernmost_Easting 0.25;
  }
}

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.

(easy) You can get data by using the dataset's Data Access Form. It makes the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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/erdBAssta5day.htmlTable?sst[(2007-10-21T00:00:00)][0][(-75):100:(75)][(180):100:(360)]
Thus, the query is often a data variable name (e.g., sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][altitude][latitude][longitude]).

For details, see the griddap Documentation.