[ncl-talk] mixhum_ptrh

[Rick Brownrigg]

Hi,

If I understand correctly (and that's a big "if"), you might check out the
conform function:

http://ncl.ucar.edu/Document/Functions/Built-in/conform.shtml

That is, I *think* if you make your pressure array conform to the temp/RH
arrays, then you should be able to call mixhum_ptrh directly. It may take
some experimentation.

Hope that helps...
Rick


On Fri, Jun 19, 2020 at 8:52 AM Ehsan Taghizadeh via ncl-talk <
ncl-talk at mailman.ucar.edu> wrote:

> Dears,
> I hope you're doing great.
> I want to calculate "specific humidity" via "mixhum_ptrh". I have
> pressure, temperature and relative humidity arrays, but their dimensions
> are not the same! Actually I have temperature and relative humidity on grid
> points at different pressure levels. So their dimensions are like below:
>
> Dimensions and sizes:   [lv_ISBL0 | 15] x [lat_0 | 721] x [lon_0 | 1440]
>
> However, the pressure array is the first dimension of them (lv_ISBL0) and
> is like below:
>
> Dimensions and sizes:   [15]
>
> Actually, I want to calculate "specific humidity" for each grid point at
> each pressure level. May I ask any help to use "mixhum_ptrh" without do
> loops over the grid points?
>
> I hope I could explain my problem clearly and I hope to hear from you.
>
> *Sincerely*
> *Ehsan*
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