le names are regarded as "coordinate variables" (axes of the underlying grid structure of other variables defined on this dimension).</p>
<p><strong>Global attributes:</strong><br />
Although not mandatory the attribute "history" is recommended to record the evolution of the data contained within a netCDF file.Applications which process netCDF data can append their information to the history attribute.</p>
<p>The optional attribute "Conventions" is recommended to reference the COARDS conventions, registered