Re: [ferret_users] can i average met data excluding land.

["William S. Kessler" <william.s.kessler@xxxxxxxx>]

You first need a grid showing what is land and what is ocean. Perhaps  
the etopoN topography will do (probably in your Ferret data directory,  
where N is the resolution in km). Then search the User Guide for  
"masking".

BK

On 19 May 2011, at 2:55 AM, MOHAMMED ALI wrote:

> Dear all ferret users
>
>    can i average met(short wave radiation) data in netcdf format,  
> excluding land data, i required data representing ocean only.
>  i used
> SET DATA/X=30E:45E/Y=10N:30N/@W/L=1
> LIST DATA[X=@AVE,Y=@AVE]
> region represent Red Sea.....
> i got answer
> But  i required average representing ocean only..how i can eliminate  
> data representing land part for this calculation.
>
> Thanking You
> Mohammedali NP
> Scientist
> KAUST
> Saudi Arabia