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ERDDAP > griddap > Make a Graph

Dataset Title:  TCHP_D26 Fields   RSS
Institution:  USDOC/NOAA/OAR/AOML/PHOD   (Dataset ID: aomlTCHP)
Information:  Summary | License | Metadata | Background | Data Access Form
 
Graph Type: 
X Axis: 
Y Axis: 
Color: 
 
Dimension Ranges    Start    Stop
time (UTC)     specify just 1 value →
   
latitude (degrees_north)
   
   
longitude (degrees_east)
   
   
 
Graph Settings
Color Bar:    Continuity:    Scale:
      Min:    Max:    N Sections:
Draw the land mask:
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: and
or view the URL:
(Documentation / Bypass this form ) (File Type information)
    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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4391216e+9, 1.4933808e+9;
    String axis "T";
    String calendar "Gregorian";
    String CoordinateAxisType "Time";
    String ioos_category "Time";
    String long_name "Reference Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -90.0, 90.0;
    String axis "Y";
    String CoordinateAxisType "Lat";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -180.0, 180.0;
    String axis "X";
    String CoordinateAxisType "Lon";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Tropical_Cyclone_Heat_Potential {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 253.31;
    Float64 colorBarMaximum 220.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Other";
    String long_name "Tropical Cyclone Heat Potential";
    String palette_info_variable "Uncertain";
    String standard_name 
"integral_of_sea_water_potential_temperature_wrt_depth_expressed_as_heat_
content";
    String units "KJcm-2";
    String variable_info "To be Completed";
  }
  D26 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 253.31;
    Float64 colorBarMaximum 200.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Temperature";
    String long_name "Depth of the 26C isotherm";
    String palette_info_variable "Uncertain";
    String standard_name "depth_of_isosurface_of_sea_water_potential_temperature";
    String units "m";
    String variable_info "To be Completed";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String comment 
"Tropical Cyclone Heat Potential V2.1
 www.aoml.noaa.gov/phod/cyclone";
    String contact "Joaquin.Trinanes@noaa.gov";
    String Conventions "COARDS, CF-1.6";
    String creator_email "Joaquin.Trinanes@noaa.gov";
    String creator_name "Physical Oceanography Division at NOAA/AOML";
    String creator_url "http://www.aoml.noaa.gov/phod/cyclone/data/gl.html";
    String data_source "USDOC/NOAA/OAR/AOML/PHOD ATLANTIC OCEANWATCH";
    Float64 Easternmost_Easting 180.0;
    Float64 geospatial_lat_max 90.0;
    Float64 geospatial_lat_min -90.0;
    Float64 geospatial_lat_resolution 0.25;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 180.0;
    Float64 geospatial_lon_min -180.0;
    Float64 geospatial_lon_resolution 0.25;
    String geospatial_lon_units "degrees_east";
    String history 
"2017-04-28 http://cwcgom.aoml.noaa.gov/thredds/dodsC/TCHP/TCHP.nc
2017-04-28 http://cwcgom.aoml.noaa.gov/griddap/aomlTCHP.das";
    String infoUrl "http://www.aoml.noaa.gov/phod/cyclone/data/gl.html";
    String institution "USDOC/NOAA/OAR/AOML/PHOD";
    String keywords 
"hurricane,heat content, altimeter, SST, temperature, hurricane 
intensification";
    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.";
    Int32 nco_openmp_thread_number 1;
    Int32 node_offset 0;
    Float64 Northernmost_Northing 90.0;
    String origin "USDOC/NOAA/OAR/AOML/PHOD ATLANTIC OCEANWATCH";
    String source_data "Altimeter SHA+MW SST";
    String sourceUrl "http://cwcgom.aoml.noaa.gov/thredds/dodsC/TCHP/TCHP.nc";
    Float64 Southernmost_Northing -90.0;
    String spatial_resolution "0.25 degree";
    String standard_name_vocabulary "CF-1.6";
    String summary "Tropical Cyclone Heat Potential";
    Float64 temporal_extent 86400.0;
    String temporal_extent_unit "seconds";
    String time_coverage_end "2017-04-28T12:00:00Z";
    String time_coverage_start "2015-08-09T12:00:00Z";
    String title "TCHP_D26 Fields";
    Float64 Westernmost_Easting -180.0;
  }
}

 

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 is a superset of the
OPeNDAP DAP hyperslab protocol.

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
   http://cwcgom.aoml.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
   http://cwcgom.aoml.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 variable name (e.g., sst),
followed by a set of [] for each of the variable's dimensions
(for example, [time][altitude][latitude][longitude]),
with your desired (start):stride:(stop) values within each [].

For details, see the griddap Documentation.
 


ERDDAP, Version 1.30
Questions, comments, suggestions? Please send an email to joaquin dot trinanes at noaa dot gov
and include the ERDDAP URL directly related to your question or comment.
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