Hi Salih

I don't think it can be balanced using the model output. Even using 3-hourly or 6-hourly datasets, it cannot be balanced. Your best chance is to vertically integrate at each model time step before outputting.

Cheers
 
***************************************************
Mouhamadou Bamba SYLLA, PhD
Post-Doc Fellow, Earth System Physics
International Centre for Theoretical Physics
Strada Costiera 11, 34100 Trieste, Italy
Office tel: 0039 040 2240 385
Cell: 0039 34 71 94 06 55
emails: msylla@ictp.it, syllabamba@yahoo.fr
Personal Webpage: http://users.ictp.it/~msylla/
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De : abubakr salih <abubakr_salih@yahoo.com>
À : regcm model <regcnet@lists.ictp.it>
Envoyé le : Vendredi 2 Décembre 2011 11h19
Objet : [RegCNET] water budget

Hi all,
I'm trying to calculate the average water contents of atmospheric column from the model output. I used water budget equation which says the change in water contents can be due to advection  terms in the left hand side and that must equal to E-P in the right hand side. The rate of change with time for long period is small and negligible. I integrated the equation vertically from surface pressure up 100  mb. When I did the calculation I got unbalance result, the difference is in order of multiple of 10 even multiple of 100. Any one knows why the water budget not balanced in the model?

regards
/A   

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