[ferret_users] Using @VAR

[zhen.li@xxxxxxxxxxxxx]

Dear Ferret Users:

I'd like to use @VAR function to calculate the variance along the Z-axis of 
a variable, salt. "salt" is sized 43 by 252 in K and L. So, I did  "let 
std_var_salt=salt[k=@VAR]^0.5". However, the variance is still calculated 
on "t" axis even if I specify it on "k" axis.  Does anyone know how to do this?

A related question: since @VAR is a weighted variance, so I assume it 
automatically takes care of the irregular grid, and I don't need to regrid 
the variable to the regular grid. Am I right on this?

Your response is highly appreciated.

Zhen



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