[ncl-talk] integrate underground vertical level

[sunmin park]

Thank you Dennis!
Is the function "simpne" works like that??

Sun-



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2017-10-13 7:08 GMT-07:00 Dennis Shea <shea at ucar.edu>:

> Simple Integration is :    SUM( x*dx)
>
> Does the file have any variable like:
>      SOIL_LAYER_THICKNESS(time, soil_layers) ;
>      X (time, soil_layers ydim, xdim)           ;  (0,1,2,3) <=dimension
> numbers
> ---
> f = *addfile*("..." , "r")
>
> slt = f->SOIL_LAYER_THICKNESS
> x   = f->X
>
> SLT = *conform*( x, slt, (/0,1/) )    ; convenience, clarity
> XI    = *dim_sum_n*( x*SLT, *1*)     ; sum (integrate) the product;
> (ntim,nlat,mlon)
> *copy_VarCoords*(X(:,0,:,:), XI)   ; copy any coordinsate
> XI at long_name = "Integration: "+x at long_name
> XI at units  = "..."
> *printVarSummary*(XI)
>
> ----
> if you do not have a 'SOIL_LAYER_THICKNESS' variable, you will have to
> create one.
>
> good luck
>
> On Thu, Oct 12, 2017 at 2:02 PM, sunmin park <mireiyue at gmail.com> wrote:
>
>> Hello NCL users
>>
>> I have dataset which is soil moisture and it has 15 vertical levels. I
>> need to integrate the levels to the levels I want. I have been looking for
>> a function but so far I can find functions for pressure interpolation. Is
>> there any function that integrate underground values?
>>
>> Thank you
>> Sun-
>>
>> --
>>
>> Sunmin Park,
>>
>> PhD Candidate, Department of Earth Science,
>>
>> University of California Riverside
>>
>>
>>
>>
>>
>>
>>
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-- 

Sunmin Park,

PhD Candidate, Department of Earth Science,

University of California Riverside
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