Thanks Jonathan,
To summarize our discussion, these are the new standard names we would
like to use:
- platform_zenith_angle (degree): "Platform zenith angle is the the
angle between the line of sight to the platform and the local vertical";
- angle_of_rotation_from_solar_azimuth_to_platform_azimuth (degree):
"The angle of rotation between the solar azimuth angle and the platform
azimuth angle";
- thickness_of_liquid_water_cloud (m): "Cloud thickness (cloud top
height minus cloud base)";
- effective_radius_of_cloud_condensed_water_particles_at_cloud_top (m):
"Particle effective radius for both liquid and ice water particles";
- thermodynamic_phase_of_cloud_water_particles_at_cloud_top (status_flag
liquid, ice and mixed): "The thermodynamic phase of particles at the top
of the cloud";
-
thermodynamic_phase_of_cloud_water_particles_at_cloud_top_defined_by_infrared
(status_flag liquid, ice and mixed): "The thermodynamic phase of
particles at the top of the cloud derived by using infrared radiances";
-
thermodynamic_phase_of_cloud_water_particles_at_cloud_top_defined_by_near_infrared
(status_flag liquid, ice and mixed):" The thermodynamic phase of
particles at the top of the cloud derived by using near-infrared radiances";
When everybody agrees with these standard names, units and descriptions:
what would be the next step?
Best regards,
Maarten
Jonathan Gregory schreef:
Dear Maarten
thermodynamic_phase_of_cloud_water_particles_at_cloud_top ?
That makes sense to me.
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
Also OK. I expect Alison would appreciate some indication about roughly what
these wavebands mean, to include in the definition of new standard names.
It would be fine to include all three in this list, both the general one and
the specific ones, if you like. The standard name table defines quantities
with more or less precision, depending on the needs of different applications.
How about the CF compliance checkers, are they able to detect the
defined_by_* suffix?
The checker matches against the entire standard name. Once these new names are
in the list, it will not object to them. It does not parse names to try to
deduce their meaning or check their validity.
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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