[RegCNET] discrepancies with AOD values

[Zakey Ashraf_Saber]

Hi Carolina,
     Would you please let me know the differences in the mass load due to
the changes in the sources? By the way, Did you used the latest web
version of RegCM?

Ashraf

>
> Dear RegCM users:
>
> I have been working with experiments regarding dust production a regional
> scale in the Sahara. As part of the experiments, I included some extra
> dust sources modifying the texture and text01 directly in the DOMAIN.info
> file  after running terrain.x
>
> When I use the default configuration for texture and landuse I get results
> of AOD not greater than 4 or 6 for AOD. On the other hand when I use this
> modified domain I got values of over 20 or 30. I'm using the equation
> already posted here in the past.
>
> AOD=sum(aext8,z=1,z=18)
>
> I have to mention that it does not happen all the time, it just happen at
> some areas.
>
> Does anyone has an idea about what is happening? Is there any dependence
> with optical properties that has to be taken into account apart from the
> parameters concerning input terrain characteristics?
>
> I will appreciate any replay about this issue.
>
> Cheers
>
> Carolina
>
>><((((>`..`..`...><((((>`..`..`...><((((>
> Carolina Cavazos Guerra
> Department of Geography
> University College London
> Pearsons Building, Gower Street
> London. WC1E 6bt, UK
>
>
> _______________________________________________
> RegCNET mailing list
> RegCNET at lists.ictp.it
> https://lists.ictp.it/mailman/listinfo/regcnet
>


-- 
With my best wishes,
Ashraf

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Dr. Ashraf Zakey, Visiting Research Scientist               !
! Earth System Physics (ESP)                                  !
! Physics of Weather and Climate Section (PWC)                !
! The Abdus Salam International Centre for Theoretical Physics!
! P.O. BOX 586, (Strada Costiera 11 for courier mail)         !
! 34100 Trieste, ITALY                                        !
! Phone: + 39 040 2240 385                                    !
! Fax:   + 39 040  2240 449 (or + 39 040 224 163)             !
! e-mail: azakey at ictp.it                                      !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!