Dear Tuomas,
Thank you for working on the definitions. I take your point that 'turbulent' does not necessarily mean 'subgrid scale'. I think your suggested text is basically fine but it would be helpful if we could also include an upper limit on what you mean by 'small'.
Best wishes,
Alison
------
Alison Pamment Tel: +44 1235 778065
NCAS/British Atmospheric Data Centre Email: alison.pamment at stfc.ac.uk
STFC Rutherford Appleton Laboratory
R25, 2.22
Harwell Oxford, Didcot, OX11 0QX, U.K.
> -----Original Message-----
> From: CF-metadata [mailto:cf-metadata-bounces at cgd.ucar.edu] On Behalf
> Of Tuomas Karna
> Sent: 15 March 2013 16:50
> To: cf-metadata at cgd.ucar.edu
> Subject: Re: [CF-metadata] standard names for ocean model turbulent
> quantities
>
> Dear Allison,
>
> Thank you for your comments. I'd propose some further changes to the
> definitions:
>
> 1. "specific_turbulent_kinetic_energy_of_sea_water (m2 s-2)"
> As turbulent kinetic energy is not necessary equivalent to model's
> subgrid scale eddy kinetic energy, I'd formulate the definition as:
> ' "Specific" means per unit mass. "Turbulent kinetic energy" is the
> kinetic energy of small scale turbulent fluctuations of the flow. '
>
> 2. "specific_turbulent_kinetic_energy_dissipation_in_sea_water (W kg-1)"
> The definition would then become:
> ' "Specific" means per unit mass. "Turbulent kinetic energy" is the
> kinetic energy of small scale turbulent fluctuations of the flow. The
> dissipation of kinetic energy arises in ocean models as a result of the
> viscosity of sea water.'
>
> 3. "turbulent_mixing_length_of_sea_water (m)"
> ' "Turbulent mixing length" is used in models to describe the macro
> length scale of energy-containing eddies in a turbulent flow. '
>
> If these definitions seems too vague, I can try to elaborate them futher.
>
>
> Best regards,
>
> Tuomas Karna
>
> Post-Doctoral Fellow
> Center for Coastal Margin Observation and Prediction (CMOP)
> Oregon Health and Science University
> karnat at stccmop.org
>
--
Scanned by iCritical.
Received on Tue Mar 19 2013 - 06:32:56 GMT
