[ferret_users] Area of each cell in m^2

[Praveen V K <veluthed@xxxxxxxxxxx>]

Hi,

I am wondering to know the easiest way to find the area of each cells  
in m^2 in ferret. I tried the following method.

use coads_climatology

! next step gives me area in degrees.
let deg_area=xbox[g=sst]*cos(y[g=sst]*3.141529/180)*ybox[g=sst]

!find area of 1x1 cell to convert into m^2
let dxy=6378.1e3*1*3.141529/180
let stdarea=dxy^2

! Now multiply with 1x1 degree area
Let area = deg_area*stdarea

I got reasonable values for area.

Am I doing anything wrong here?

Thanks in advance



Praveen V K