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#95: Development of CF 1.5 Data Model
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  Reporter:  markh           |       Owner:  [email protected]
      Type:  task            |      Status:  new                          
  Priority:  medium          |   Milestone:                               
 Component:  cf-conventions  |     Version:                               
Resolution:                  |    Keywords:                               
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Comment (by ngalbraith):

 Also just a couple of comments/questions here.

 Can we assume that when you use the term 'array' you include singletons?
 Or does that need to be stated explicitly?

 Is the definition a little too specific?

 ''
 'An auxiliary coordinate construct provides auxiliary information for
 interpreting the cells of an ordered list of one or more domain axes of
 the field.'
 ''

 The information in the aux coordinate isn't necessarily 'auxiliary' - only
 the construct is (i.e. as an alternative to a dimension coordinate).  The
 aux coordinate doesn't need to be monotonic, and in some cases may not be
 ordered.

 Would a short version could be less ... limiting:
 ''
 'An auxiliary coordinate construct provides information for interpreting
 one or more domain axes.'''


 Side note: We use aux coordinates to provide heights of meteorological
 sensors in files that may have subsurface data with a depth dimension. We
 may also use them for moorings that have a singleton lat/long dimension
 coordinate but also have GPS time series data.

-- 
Ticket URL: <https://cf-pcmdi.llnl.gov/trac/ticket/95#comment:19>
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