[ncl-talk] solar radiation

[Barry Lynn]

Please try taking SWDOWN by itself.

If you need direct normal then write again.

Barry

On Thu, Jan 24, 2019 at 2:15 PM Komal Shukla <komalshukla1992 at gmail.com>
wrote:

> Dear NCL team,
>
> I am trying to extract solar radiaion (w/m2) from my wrf  outputs, and
> compare it with ground observation.
>
> SWDOWN = wrf_user_getvar(aa,"SWDOWN", -1 )      ; 3D tc
>
> GLW = wrf_user_getvar(aa,"GLW", -1 )      ; 3D tc
> I am taking total of swdown and glw and comparing it with ground obs.
> The total(GLW+SWDOWN = around 1000 w/m2 in summer noon) is way high than
> the actual observation (around 340 w/m2 in summer noon).
>
> My ncl script is
>
> rh2 = wrf_user_getvar(aa,"SWDOWN", -1 )      ; 3D tc
>
>  rh2_day=new(24,float)
>
>  rh2_dd=new((/numFILES,24/),float)
>
> rh2_day_ist=new(24,float) ; f
>
>  rh2_t=rh2(:,Y1,X1)
>
>   print(rh2_t)
>
> asciiwrite("rh_pb_720", rh2_t)
>
>   do id=0,(numFILES-1)
>
>   do ih=0,23
>
>       idh=ih+id*24
>
>       rh2_dd(id,ih)=rh2_t(idh)
>
>   end do
>
>   end do
>
>  rh2_day_m=dim_avg_n(rh2_dd,0)
>
>
> Is there some other way to calculate surface solar radiation?
> I'd appreciate any help.
>
> Kim
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-- 
Barry H. Lynn, Ph.D
Senior Associate Scientist, Lecturer,
The Institute of the Earth Science,
The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
Tel: 972 547 231 170
Fax: (972)-25662581

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