#152: Time mean over area fractions which vary with time
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Reporter: martin.juckes | Owner: cf-conventions@…
Type: enhancement | Status: new
Priority: medium | Milestone:
Component: cf-conventions | Version:
Resolution: | Keywords:
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Comment (by jonathan):
Dear Martin
Thanks for the first point.
CF 7.3.3 begins "By default, the statistical method indicated by
cell_methods is assumed to have been evaluated over the entire horizontal
area of the cell. Sometimes, however, it is useful to limit consideration
to only a portion of a cell (e.g. a mean over the sea-ice area)." My
concern is that this implies that the "where" syntax is concerned only
with fractions of area, which is indeed what it was intended to imply. If
we are now generalising it to fractions of a cell in any possible
dimension, I think that we need to make this clear at the outset.
Best wishes
Jonathan
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Ticket URL: <http://cf-pcmdi.llnl.gov/trac/ticket/152#comment:3>
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