[ncl-talk] Global radiation and Global horizontal irradiation

[Dennis Shea]

re: "Global Radiation (G)"  ... Global Radiation and Global Horizontal
Irradiation (GHI)"

You should send your question to wrfhelp at ucar.edu *They* are the WRF
experts.
===============================================================

I think you should also consider:
 https://www.ncl.ucar.edu/Document/Functions/Crop/radext_fao56.shtml

This is strictly a function of day-of-year and latitude. Think of it as
top-of-atmosphere radiation. Please read the FAO-56 documentation and look
at the formula used [equation 21].

=======
re: the radsol_fao56 & radsol2_fao56 functions.

These require the 'sunhr' which is (commonly) user specified in the 'real
world'. See examples.

Good Luck




On Thu, Jun 15, 2017 at 12:17 AM, Imran Hosen <hosen.imran09 at gmail.com>
wrote:

> Dear NCL users,
>
> Good day!
>
> I'm trying to calculate "Global Radiation (G)" from wrfout file. It seems
> to me that Global Radiation and Global Horizontal Irradiation (GHI) are
> same. Could you please suggest me whether I am right or wrong?
>
> I have got couple of functions below for calculating solar radiation from
> the NCL webpages:
>
> http://www.ncl.ucar.edu/Document/Functions/Crop/radsol_fao56.shtml
>
> http://ncl.ucar.edu/Document/Functions/Crop/radsol2_fao56.shtml
>
> *Could you please suggest me how I can calculate G or GHI using NCL*. Can
> I use any of the function from the above links?
>
> Or, I should look for other ways?
>
> Your cooperation will be highly appreciated.
>
> Kind regards,
> Imran
>
>
>
>
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