[ncl-talk] How to get moisture flux along a boundary

[Dennis Shea]

[1] There are several *moisture flux examples*
<http://www.ncl.ucar.edu/Applications/wind.shtml> available.
[2] Interpolate to user specified point. EG   *linint2_points_Wrap*
<http://www.ncl.ucar.edu/Document/Functions/Contributed/linint2_points_Wrap.shtml>

On Wed, Jul 28, 2021 at 9:18 PM Lyndz via ncl-talk <
ncl-talk at mailman.ucar.edu> wrote:

> Dear NCL-experts,
>
> I have been using the last example here (
> https://www.ncl.ucar.edu/Applications/wind.shtml) for computing the
> moisture flux convergence.
>
> I would like to ask how can I get the flux along a boundary of an
> arbitrary box?
> For example, between 110-130E, 10-15N.
>
> Here's a screenshot of the equations. I want to calculate *N*, as
> indicated below (like a line integral ?).
>
>
> [image: Screenshot 2021-07-29 111158.png]
>
>
> How can I implement this in NCL? I'll appreciate any help you can provide.
>
> Sincerely,
> Lyndz
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