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Dataset Title:  HRDPS, Salish Sea, Atmospheric Forcing Fields, Hourly, v1 Subscribe RSS
Institution:  UBC EOAS   (Dataset ID: ubcSSaSurfaceAtmosphereFieldsV1)
Information:  Summary ? | License ? | Metadata | Background (external link) | Data Access Form
 
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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 {
    Int32 _ChunkSizes 1;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.41048e+9, 1.5293628e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "verification time generated by wgrib2 function verftime()";
    String reference_date "2018.06.17 18:00:00 UTC";
    Float64 reference_time 1.5292584e+9;
    String reference_time_description "kind of product unclear, reference date is variable, min found reference date is given";
    Int32 reference_time_type 0;
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    Float64 time_step 3600.0;
    String time_step_setting "auto";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  gridY {
    Int32 _ChunkSizes 266;
    Float64 actual_range 0.0, 662500.0;
    String long_name "Y";
    String standard_name "y";
  }
  gridX {
    Int32 _ChunkSizes 256;
    Float64 actual_range 0.0, 637500.0;
    String long_name "X";
    String standard_name "x";
  }
  atmpres {
    Int32 _ChunkSizes 1, 266, 256;
    Float32 _FillValue 9.999e+20;
    String level "mean sea level";
    String long_name "Pressure Reduced to MSL";
    String short_name "PRMSL_meansealevel";
    String units "Pa";
  }
  precip {
    Int32 _ChunkSizes 1, 266, 256;
    Float32 _FillValue 9.999e+20;
    Float64 colorBarMaximum 200.0;
    Float64 colorBarMinimum 0.0;
    String level "surface";
    String long_name "Total Precipitation";
    String short_name "APCP_surface";
    String units "kg/m^2";
  }
  qair {
    Int32 _ChunkSizes 1, 266, 256;
    Float32 _FillValue 9.999e+20;
    Float64 colorBarMaximum 128.0;
    Float64 colorBarMinimum 0.0;
    String level "2 m above ground";
    String long_name "Specific Humidity";
    String short_name "SPFH_2maboveground";
    String standard_name "specific_humidity";
    String units "kg/kg";
  }
  solar {
    Int32 _ChunkSizes 1, 266, 256;
    Float32 _FillValue 9.999e+20;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum -500.0;
    String level "surface";
    String long_name "Downward Short-Wave Radiation Flux";
    String short_name "DSWRF_surface";
    String units "W/m^2";
  }
  tair {
    Int32 _ChunkSizes 1, 266, 256;
    Float32 _FillValue 9.999e+20;
    Float64 colorBarMaximum 313.0;
    Float64 colorBarMinimum 263.0;
    String level "2 m above ground";
    String long_name "Temperature";
    String short_name "TMP_2maboveground";
    String units "K";
  }
  therm_rad {
    Int32 _ChunkSizes 1, 266, 256;
    Float32 _FillValue 9.999e+20;
    String level "surface";
    String long_name "Downward Long-Wave Rad. Flux";
    String short_name "DLWRF_surface";
    String units "W/m^2";
  }
  u_wind {
    Int32 _ChunkSizes 1, 266, 256;
    Float32 _FillValue 9.999e+20;
    String level "10 m above ground";
    String long_name "U-Component of Wind";
    String short_name "UGRD_10maboveground";
    String units "m/s";
  }
  v_wind {
    Int32 _ChunkSizes 1, 266, 256;
    Float32 _FillValue 9.999e+20;
    String level "10 m above ground";
    String long_name "V-Component of Wind";
    String short_name "VGRD_10maboveground";
    String units "m/s";
  }
  NC_GLOBAL {
    String acknowledgement "MEOPAR, ONC, Compute Canada, Environment Canada";
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String coverage_content_type "modelResult";
    String creator_email "sallen@eos.ubc.ca";
    String creator_name "Salish Sea MEOPAR Project Contributors";
    String creator_url "https://salishsea-meopar-docs.readthedocs.io/";
    String drawLandMask "over";
    Int32 GRIB2_grid_template 20;
    String history 
"Thu Mar 10 10:11:37 2016: ncks -4 -L4 -O /results/forcing/atmospheric/GEM2.5/operational/ops_y2016m03d10.nc /results/forcing/atmospheric/GEM2.5/operational/ops_y2016m03d10.nc
created by wgrib2
2018-06-18T19:04:36Z (local files)
2018-06-18T19:04:36Z https://salishsea.eos.ubc.ca/griddap/ubcSSaSurfaceAtmosphereFieldsV1.das";
    String infoUrl "https://salishsea-meopar-docs.readthedocs.io/en/latest/results_server/index.html#salish-sea-model-results";
    String institution "UBC EOAS";
    String institution_fullname "Earth, Ocean & Atmospheric Sciences, University of British Columbia";
    String keywords "atmosphere, atmospheric, atmpres, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, humidity, long-wave, model results, precipitation, pressure, qair, rad, radiation, rain, rainfall, short-wave, solar, specific_humidity, tair, temperature, therm_rad, time, time_counter, u-component, u_wind, v-component, v_wind, vapor, wind";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The Salish Sea MEOPAR NEMO model results are copyright 2013-2016
by the Salish Sea MEOPAR Project Contributors and The University of British Columbia.

They are licensed under the Apache License, Version 2.0. http://www.apache.org/licenses/LICENSE-2.0

This dataset is derived from a product of the Environment Canada HRDPS (High Resolution Deterministic Prediction System)
model. The Terms and conditions of use of Meteorological Data from Environment Canada are available at
http://dd.weather.gc.ca/doc/LICENCE_GENERAL.txt.</att>";
    String NCO "4.4.2";
    String project "Salish Sea MEOPAR NEMO Model";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary 
"HRDPS, Salish Sea, Atmospheric Forcing Fields, Hourly, v1

2d hourly atmospheric field values from the
Environment Canada HRDPS atmospheric forcing model that are used to force the Salish Sea NEMO model.
The model grid includes the Juan de Fuca Strait, the Strait of Georgia, Puget Sound,
and Johnstone Strait on the coasts of Washington State and British Columbia.
Geo-location data for the atmospheric forcing grid are available in the ubcSSaAtmosphereGridV1 dataset.
Atmospheric field values are interpolated on to the Salish Sea NEMO model grid on-the-fly by NEMO.

v1: atmospheric pressure, precipitation rate, 2m specific humidity, 2m air temperature,
short-wave radiation flux, long-wave radiation flux, 10m u wind component, 10m v wind component variables";
    String testOutOfDate "now-12hours";
    String time_coverage_end "2018-06-18T23:00:00Z";
    String time_coverage_start "2014-09-12T00:00:00Z";
    String title "HRDPS, Salish Sea, Atmospheric Forcing Fields, Hourly, v1";
  }
}

 

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://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.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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