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: [email protected] STFC Rutherford Appleton Laboratory R25, 2.22 Harwell Oxford, Didcot, OX11 0QX, U.K. > -----Original Message----- > From: CF-metadata [mailto:[email protected]] On Behalf > Of Tuomas Karna > Sent: 15 March 2013 16:50 > To: [email protected] > 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 > [email protected] > -- Scanned by iCritical. _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
