[RegCNET] 6 Aerosols AOD distribution

Zakey Ashraf_Saber azakey at ictp.it
Wed Mar 3 10:53:22 CET 2010


MODIS Satellite can observe all the types of aerosols including dust,
which highly contribute to the level of AOD.  IF you have local
observations, it could be useful to compare your results. Otherwise, I
advice you to use all of the 10 aerosols including the dust.



Ashraf


>  Hi, Dear regcmers,
>
>  I made an regcm run including 6 aerosols as follows,
>
>   $
>    $chemparam
>   idirect   =    2,
>   chtrname  =
>  'SO2','SO4','BC_HB','BC_HL','OC_HB','OC_HL',
>   chtrsol   =  0.20, 0.80, 0.05, 0.80, 0.05, 0.80,
>   chtrdpv   =
>  0.00300,0.00200,0.00025,0.00025,0.00025,0.00025,0.00800,0.00200,0.00025,0.00250,0.00025,0.00250,
>   dustbsiz  =  0.01, 1.00,
>   $
>
>  And attached is figure output of the 6 aerosols total AOD by using sum
> function in GrADS software.
>  'define aod=sum(aext8,z=1,z=18)'
>  'd ave(aod,t=1,31)'
>  But the values are between 0.- 0.1 which are much less than normal AOD
> values(0.-1.0, seen as attached MODIS observation output)
>  Are the simulated values right?
>  I can't find out which step I was wrong.
>  The values of original total vertical aext8 are actually between 0. - 0.1
>  Has anyone done similar experiments?
>  Please give me some advices about this.
>  Thank you very much in advance.
>
>  Regards,
>  Libin Yan
>
> 2010-03-03
>
>
>
> Yan Libin
> _______________________________________________
> RegCNET mailing list
> RegCNET at lists.ictp.it
> https://lists.ictp.it/mailman/listinfo/regcnet


-- 
With my best wishes,
Ashraf

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