Dear Jonathan,
Can we say what kind of particles these are? Presumably "cloud particle"
would be a reasonable description. In that case, could it be
thermodynamic_phase_of_cloud_particles_at_cloud_top
?
Yes indeed, you are right. These kind of particles are cloud water
particles, so can we call it:
thermodynamic_phase_of_cloud_water_particles_at_cloud_top ?
We discussed some more about the defined_by_* suffixes, we would like to
use infrared and near_infrared.
Finally these are the two standard_names:
-
thermodynamic_phase_of_cloud_water_particles_at_cloud_top_defined_by_infrared
-
thermodynamic_phase_of_cloud_water_particles_at_cloud_top_defined_by_near_infrared
How about the CF compliance checkers, are they able to detect the
defined_by_* suffix?
It would be nice to keep only the standard_name without the defined_by_*
variations in the list. I assume that the current CF-checker tools will
not yet detect this?
Regards,
Maarten
Jonathan Gregory schreef:
Dear Maarten
Thank you for your care with this.
- thermodynamic_particle_phase_at_cloud_top (status_flag): "The
thermodynamic phase of particles at the top of the cloud" ;
What are the allowed values of this quantity?
These are: liquid, ice and mixed. (flag_meanings = "liquid ice mixed" ;)
This is an unusual kind of quantity, a string-valued one with particular
allowed values; region and area_type are similar. That can be stated in the
definition. I understand that you'll probably encode it as integers using
the flag_meanings attribute.
Can we say what kind of particles these are? Presumably "cloud particle"
would be a reasonable description. In that case, could it be
thermodynamic_phase_of_cloud_particles_at_cloud_top
?
The first is indeed derived from visibile radiances while the second is
derived from infrared radiances only.
OK. I would suggest appending defined_by_visible|infrared_radiance to make
this distinction in the standard name.
Best wishes
Jonathan
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Maarten Plieger
KNMI, R&D Information and Observation Technology, De Bilt
(t) +31 30 2206330
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