Dear Henry These seem fine to me, since there are existing names of exactly this form with "diffuse" instead of "direct".
Thanks Jonathan ----- Forwarded message from "Odbert, Henry" <[email protected]> ----- > Date: Fri, 6 Jan 2017 07:39:55 +0000 > From: "Odbert, Henry" <[email protected]> > To: "'[email protected]'" <[email protected]> > Subject: [CF-metadata] Direct radiation standard name > > Dear all, > > I have been unable to find appropriate standard names for Direct (aka 'beam') > shortwave radiation. Diffuse and Global SW radiation are listed already. > > Unless I've missed something, I suggest the following additions: > > direct_downwelling_shortwave_flux_in_air<javascript:void(0)> (unit: W m-2) > Downwelling radiation is radiation from above. It does not mean "net > downward". When thought of as being incident on a surface, a radiative flux > is sometimes called "irradiance". In addition, it is identical with the > quantity measured by a cosine-collector light-meter and sometimes called > "vector irradiance". In accordance with common usage in geophysical > disciplines, "flux" implies per unit area, called "flux density" in physics. > "shortwave" means shortwave radiation. "Direct" (also known as "beam") > radiation is radiation that has followed a direct path from the sun and is > alternatively known as "direct insolation". > > surface_direct_downwelling_shortwave_flux_in_air<javascript:void(0)> (unit: W > m-2) > Downwelling radiation is radiation from above. It does not mean "net > downward". "Direct" (also known as "beam") radiation is radiation that has > followed a direct path from the sun and is alternatively known as "direct > insolation". When thought of as being incident on a surface, a radiative flux > is sometimes called "irradiance". In addition, it is identical with the > quantity measured by a cosine-collector light-meter and sometimes called > "vector irradiance". In accordance with common usage in geophysical > disciplines, "flux" implies per unit area, called "flux density" in physics. > The surface called "surface" means the lower boundary of the atmosphere. > "shortwave" means shortwave radiation. > > > > Thank you > Henry > > > Dr Henry Odbert Senior Post Processing Scientist > Met Office FitzRoy Road Exeter Devon EX1 3PB United Kingdom > Tel: +44 (0)1392 885164 Direct: +44 (0)7770 645044 > Email: [email protected]<mailto:[email protected]> > Website: www.metoffice.gov.uk<http://www.metoffice.gov.uk/> > > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata ----- End forwarded message ----- _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
