Dear Randy
Thanks for this useful summary.
You favour
(3) make use of existing area_fraction names and qualify the type of
area_fraction with one or more coordinate variable(s) and accompany use of
cell_methods attribute
pros: no need for an additional standard name, unambiguous,
Dear Jonathan:
good point on “area”.
“twilight” is fine.
I’m good with your preference of [a hybrid of (1) and (2) (i.e.
area_fraction_of_night_defined_by_solar_zenith_angle,
area_fraction_of_day_defined_by_solar_zenith_angle,
area_fraction_of_twilight_defined_by_solar_zenith_angle)]
very
Dear Randy, Jonathan, and all,
I agree that the hybrid choice with twilight rather than terminator,
is clearest.
Just to cover all the options (or maybe to revisit a suggestion I missed
earlier), could new area_type(s) be defined -- day, night, twilight --
and then we could just use the
Dear CF Board,
I have taken over from the original poster, Jonathan Wrotny, on the
topic of modifying the standard name,
effective_radius_of_cloud_condensed_water_particles_at_cloud_top. After
consulting with other members
of my team, we have concluded that a modification to this standard
Dear CF Board,
I wish to close the loop on this subject held a few weeks back, in which
I proposed amending the definition
to the standard name, atmosphere_optical_thickness_due_to_cloud, by
introducing the following clarification
sentence:
Cloud means the component of extinction owing to
I find that text an improvement, though I expect the pattern CF will look for
is one that can appear anywhere 'due_to_' appears. Perhaps something like
(this still needs improving)
The phrase 'due_to_x' means this specific quantity may be considered one
contributor to the general quantity
