Dear all,
some time ago was discussed the definition of additional inherent optical
properties, namely (with a minor correction):
volume_backwards_scattering_coefficient_of_radiative_flux_in_sea_water_due_t
o_particles
(volume_backwards_scattering_coefficient_of_radiative_flux_in_sea_water
already exists).
volume_absorption_coefficient_of_radiative_flux_in_sea_water_due_to_phytopla
nkton
( volume_absorption_coefficient_of_radiative_flux_in_sea_water already
exists).
volume_absorption_coefficient_of_radiative_flux_in_sea_water_due_to_dissolve
d_organic_matter_and_non_pigmented_particles
(
volume_absorption_coefficient_of_radiative_flux_in_sea_water_due_to_dissolve
d_organic_matter already exists).
and for completeness:
volume_absorption_coefficient_of_radiative_flux_in_sea_water_due_to_non_pigm
ented_particles
Would it be possible to have them included in the next update in case there
is no objection?
Additionally I would like to have the following names considered:
mass_concentration_of_particulate_matter_in_sea_water
mass_concentration_of_particulate_inorganic_matter_in_sea_water
There are already several
mole_concentration_of_particulate(_organic)_matter_expressed_as
_in_sea_wate
r
in the list but these ones are missing.
Best regards,
fr?d?ric
-----Original Message-----
From: cf-metadata-bounces at cgd.ucar.edu
[mailto:cf-metadata-bounces at cgd.ucar.edu] On Behalf Of Jonathan Gregory
Sent: Friday, 18 September, 2009 19:34
To: cf-metadata at cgd.ucar.edu
Subject: [CF-metadata] CF names / inherent optical properties in seawater
Dear Fr?d?ric
Your proposed names
volume_backwards_scattering_coefficient_of_radiative_flux_in_sea_water_due_t
o_particles
volume_absorption_coefficient_of_radiative_flux_in_sea_water_due_to_phytopla
nkton
volume_absorption_coefficient_of_radiative_flux_in_sea_water_due_to_dissolve
d_organic_matter_and_non_algal_particles
volume_absorption_coefficient_of_radiative_flux_in_sea_water_due_to_non_alga
l_particles
for quantities with units of m-1 appear to be consistent with what we
already
have, and I think they are clear.
> Finally, should names start with "volume_spectral_..." to state that
> the quantities are expressed at a specific wavelength?
The definition of the existing names says that they are assumed to be an
integral over all wavelengths unless the wavelength range is specified,
which
can be done by adding a scalar or size-1 coordinate variable with
standard_name
of radiation_wavelength. The bounds of this coordinate variable would
contain
the wavelength range. However it would be appropriate to insert "spectral"
into
the standard name if the quantity is actually per unit wavelength. In that
case
the unit would be m-2 (i.e. volume absorption/scattering coeff in m-1, per
unit wavelength range in m).
Best wishes
Jonathan
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